Upload folder using huggingface_hub

Dockerfile

@@ -0,0 +1,16 @@
+
+FROM python:3.9
+
+WORKDIR /code
+
+COPY --link --chown=1000 . .
+
+RUN mkdir -p /tmp/cache/
+RUN chmod a+rwx -R /tmp/cache/
+ENV TRANSFORMERS_CACHE=/tmp/cache/ 
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+ENV PYTHONUNBUFFERED=1 	GRADIO_ALLOW_FLAGGING=never 	GRADIO_NUM_PORTS=1 	GRADIO_SERVER_NAME=0.0.0.0     GRADIO_SERVER_PORT=7860 	SYSTEM=spaces
+
+CMD ["python", "space.py"]

README.md

@@ -1,10 +1,17 @@
+
 ---
-title: Gradio Imagefeed
-emoji: 🐠
-colorFrom: blue
-colorTo: indigo
+tags: [gradio-custom-component,gradio-template-Image,image,generator,feed,timeline]
+title: gradio_imagefeed V0.0.1
+colorFrom: pink
+colorTo: gray
 sdk: docker
 pinned: false
+license: apache-2.0
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+
+# Name: gradio_imagefeed
+
+Description: A vertical feed of images which gets updated as a generater yields a new image.
+
+Install with: pip install gradio_imagefeed

app.py

@@ -0,0 +1,24 @@
+
+import gradio as gr
+from gradio_imagefeed import ImageFeed
+import time
+from PIL import Image, ImageFilter
+import os 
+
+image = Image.open(os.path.join(os.path.dirname(__file__), "butterfly.png"))
+blurred_images = [image.filter(ImageFilter.GaussianBlur(5-i)) for i in range(5)]
+
+def fake_unblur(steps=5):
+    for i in range(steps):
+        yield blurred_images[i]
+        time.sleep(1)
+    yield image
+
+with gr.Blocks() as demo: 
+    with gr.Row():
+        imagefeed = ImageFeed(label="Generated Images")
+    button = gr.Button("Start Generating")
+    button.click(fake_unblur, inputs=None, outputs=imagefeed)
+
+if __name__ == "__main__":
+    demo.launch()

css.css

@@ -0,0 +1,157 @@
+html {
+	font-family: Inter;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+	-webkit-text-size-adjust: 100%;
+	background: #fff;
+	color: #323232;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-rendering: optimizeLegibility;
+}
+
+:root {
+	--space: 1;
+	--vspace: calc(var(--space) * 1rem);
+	--vspace-0: calc(3 * var(--space) * 1rem);
+	--vspace-1: calc(2 * var(--space) * 1rem);
+	--vspace-2: calc(1.5 * var(--space) * 1rem);
+	--vspace-3: calc(0.5 * var(--space) * 1rem);
+}
+
+.app {
+	max-width: 748px !important;
+}
+
+.prose p {
+	margin: var(--vspace) 0;
+	line-height: var(--vspace * 2);
+	font-size: 1rem;
+}
+
+code {
+	font-family: "Inconsolata", sans-serif;
+	font-size: 16px;
+}
+
+h1,
+h1 code {
+	font-weight: 400;
+	line-height: calc(2.5 / var(--space) * var(--vspace));
+}
+
+h1 code {
+	background: none;
+	border: none;
+	letter-spacing: 0.05em;
+	padding-bottom: 5px;
+	position: relative;
+	padding: 0;
+}
+
+h2 {
+	margin: var(--vspace-1) 0 var(--vspace-2) 0;
+	line-height: 1em;
+}
+
+h3,
+h3 code {
+	margin: var(--vspace-1) 0 var(--vspace-2) 0;
+	line-height: 1em;
+}
+
+h4,
+h5,
+h6 {
+	margin: var(--vspace-3) 0 var(--vspace-3) 0;
+	line-height: var(--vspace);
+}
+
+.bigtitle,
+h1,
+h1 code {
+	font-size: calc(8px * 4.5);
+	word-break: break-word;
+}
+
+.title,
+h2,
+h2 code {
+	font-size: calc(8px * 3.375);
+	font-weight: lighter;
+	word-break: break-word;
+	border: none;
+	background: none;
+}
+
+.subheading1,
+h3,
+h3 code {
+	font-size: calc(8px * 1.8);
+	font-weight: 600;
+	border: none;
+	background: none;
+	letter-spacing: 0.1em;
+	text-transform: uppercase;
+}
+
+h2 code {
+	padding: 0;
+	position: relative;
+	letter-spacing: 0.05em;
+}
+
+blockquote {
+	font-size: calc(8px * 1.1667);
+	font-style: italic;
+	line-height: calc(1.1667 * var(--vspace));
+	margin: var(--vspace-2) var(--vspace-2);
+}
+
+.subheading2,
+h4 {
+	font-size: calc(8px * 1.4292);
+	text-transform: uppercase;
+	font-weight: 600;
+}
+
+.subheading3,
+h5 {
+	font-size: calc(8px * 1.2917);
+	line-height: calc(1.2917 * var(--vspace));
+
+	font-weight: lighter;
+	text-transform: uppercase;
+	letter-spacing: 0.15em;
+}
+
+h6 {
+	font-size: calc(8px * 1.1667);
+	font-size: 1.1667em;
+	font-weight: normal;
+	font-style: italic;
+	font-family: "le-monde-livre-classic-byol", serif !important;
+	letter-spacing: 0px !important;
+}
+
+#start .md > *:first-child {
+	margin-top: 0;
+}
+
+h2 + h3 {
+	margin-top: 0;
+}
+
+.md hr {
+	border: none;
+	border-top: 1px solid var(--block-border-color);
+	margin: var(--vspace-2) 0 var(--vspace-2) 0;
+}
+.prose ul {
+	margin: var(--vspace-2) 0 var(--vspace-1) 0;
+}
+
+.gap {
+	gap: 0;
+}

requirements.txt

@@ -0,0 +1 @@
+gradio_imagefeed==0.0.1

space.py

@@ -0,0 +1,141 @@
+
+import gradio as gr
+from app import demo as app
+import os
+
+_docs = {'ImageFeed': {'description': 'Creates an image component that can be used to upload images (as an input) or display images (as an output).', 'members': {'__init__': {'value': {'type': 'str | _Image.Image | np.ndarray | None', 'default': 'None', 'description': 'A PIL ImageFeed, numpy array, path or URL for the default value that ImageFeed component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.'}, 'height': {'type': 'int | str | None', 'default': 'None', 'description': 'The height of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.'}, 'width': {'type': 'int | str | None', 'default': 'None', 'description': 'The width of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.'}, 'image_mode': {'type': 'Literal[\n    "1",\n    "L",\n    "P",\n    "RGB",\n    "RGBA",\n    "CMYK",\n    "YCbCr",\n    "LAB",\n    "HSV",\n    "I",\n    "F",\n]', 'default': '"RGB"', 'description': '"RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.'}, 'sources': {'type': 'list[Literal["upload", "webcam", "clipboard"]] | None', 'default': 'None', 'description': 'List of sources for the image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "clipboard" allows users to paste an image from the clipboard. If None, defaults to ["upload", "webcam", "clipboard"] if streaming is False, otherwise defaults to ["webcam"].'}, 'type': {'type': 'Literal["numpy", "pil", "filepath"]', 'default': '"numpy"', 'description': 'The format the image is converted before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image. If the image is SVG, the `type` is ignored and the filepath of the SVG is returned.'}, 'label': {'type': 'str | None', 'default': 'None', 'description': 'The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.'}, 'every': {'type': 'float | None', 'default': 'None', 'description': "If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute."}, 'show_label': {'type': 'bool | None', 'default': 'None', 'description': 'if True, will display label.'}, 'show_download_button': {'type': 'bool', 'default': 'True', 'description': 'If True, will display button to download image.'}, 'container': {'type': 'bool', 'default': 'True', 'description': 'If True, will place the component in a container - providing some extra padding around the border.'}, 'scale': {'type': 'int | None', 'default': 'None', 'description': 'relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.'}, 'min_width': {'type': 'int', 'default': '160', 'description': 'minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.'}, 'interactive': {'type': 'bool | None', 'default': 'None', 'description': 'if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.'}, 'visible': {'type': 'bool', 'default': 'True', 'description': 'If False, component will be hidden.'}, 'streaming': {'type': 'bool', 'default': 'False', 'description': "If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'."}, 'elem_id': {'type': 'str | None', 'default': 'None', 'description': 'An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.'}, 'elem_classes': {'type': 'list[str] | str | None', 'default': 'None', 'description': 'An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.'}, 'render': {'type': 'bool', 'default': 'True', 'description': 'If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.'}, 'mirror_webcam': {'type': 'bool', 'default': 'True', 'description': 'If True webcam will be mirrored. Default is True.'}, 'show_share_button': {'type': 'bool | None', 'default': 'None', 'description': 'If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.'}}, 'postprocess': {'value': {'type': 'np.ndarray | _Image.Image | str | Path | None', 'description': None}}, 'preprocess': {'return': {'type': 'np.ndarray | _Image.Image | str | None', 'description': None}, 'value': None}}, 'events': {}}, '__meta__': {'additional_interfaces': {}, 'user_fn_refs': {'ImageFeed': []}}}
+    
+abs_path = os.path.join(os.path.dirname(__file__), "css.css")
+
+with gr.Blocks(
+    css=abs_path,
+    theme=gr.themes.Default(
+        font_mono=[
+            gr.themes.GoogleFont("Inconsolata"),
+            "monospace",
+        ],
+    ),
+) as demo:
+    gr.Markdown(
+"""
+# `gradio_imagefeed`
+
+<div style="display: flex; gap: 7px;">
+<img alt="Static Badge" src="https://img.shields.io/badge/version%20-%200.0.1%20-%20orange">  
+</div>
+
+A vertical feed of images which gets updated as a generater yields a new image.
+""", elem_classes=["md-custom"], header_links=True)
+    app.render()
+    gr.Markdown(
+"""
+## Installation
+
+```bash
+pip install gradio_imagefeed
+```
+
+## Usage
+
+```python
+
+import gradio as gr
+from gradio_imagefeed import ImageFeed
+import time
+from PIL import Image, ImageFilter
+import os 
+
+image = Image.open(os.path.join(os.path.dirname(__file__), "butterfly.png"))
+blurred_images = [image.filter(ImageFilter.GaussianBlur(5-i)) for i in range(5)]
+
+def fake_unblur(steps=5):
+    for i in range(steps):
+        yield blurred_images[i]
+        time.sleep(1)
+    yield image
+
+with gr.Blocks() as demo: 
+    with gr.Row():
+        imagefeed = ImageFeed(label="Generated Images")
+    button = gr.Button("Start Generating")
+    button.click(fake_unblur, inputs=None, outputs=imagefeed)
+
+if __name__ == "__main__":
+    demo.launch()
+
+```
+""", elem_classes=["md-custom"], header_links=True)
+
+
+    gr.Markdown("""
+## `ImageFeed`
+
+### Initialization
+""", elem_classes=["md-custom"], header_links=True)
+
+    gr.ParamViewer(value=_docs["ImageFeed"]["members"]["__init__"], linkify=[])
+
+
+
+
+    gr.Markdown("""
+
+### User function
+
+The impact on the users predict function varies depending on whether the component is used as an input or output for an event (or both).
+
+- When used as an Input, the component only impacts the input signature of the user function. 
+- When used as an output, the component only impacts the return signature of the user function. 
+
+The code snippet below is accurate in cases where the component is used as both an input and an output.
+
+
+
+ ```python
+def predict(
+    value: np.ndarray | _Image.Image | str | None
+) -> np.ndarray | _Image.Image | str | Path | None:
+    return value
+```
+""", elem_classes=["md-custom", "ImageFeed-user-fn"], header_links=True)
+
+
+
+
+    demo.load(None, js=r"""function() {
+    const refs = {};
+    const user_fn_refs = {
+          ImageFeed: [], };
+    requestAnimationFrame(() => {
+
+        Object.entries(user_fn_refs).forEach(([key, refs]) => {
+            if (refs.length > 0) {
+                const el = document.querySelector(`.${key}-user-fn`);
+                if (!el) return;
+                refs.forEach(ref => {
+                    el.innerHTML = el.innerHTML.replace(
+                        new RegExp("\\b"+ref+"\\b", "g"),
+                        `<a href="#h-${ref.toLowerCase()}">${ref}</a>`
+                    );
+                })
+            }
+        })
+        
+        Object.entries(refs).forEach(([key, refs]) => {
+            if (refs.length > 0) {
+                const el = document.querySelector(`.${key}`);
+                if (!el) return;
+                refs.forEach(ref => {
+                    el.innerHTML = el.innerHTML.replace(
+                        new RegExp("\\b"+ref+"\\b", "g"),
+                        `<a href="#h-${ref.toLowerCase()}">${ref}</a>`
+                    );
+                })
+            }
+        })
+    })
+}
+
+""")
+
+demo.launch()

src/.gitignore

@@ -0,0 +1,9 @@
+.eggs/
+dist/
+*.pyc
+__pycache__/
+*.py[cod]
+*$py.class
+__tmp/*
+*.pyi
+node_modules

src/README.md

@@ -0,0 +1,363 @@
+
+# `gradio_imagefeed`
+<img alt="Static Badge" src="https://img.shields.io/badge/version%20-%200.0.1%20-%20orange">  
+
+A vertical feed of images which gets updated as a generater yields a new image.
+
+## Installation
+    
+```bash 
+pip install gradio_imagefeed
+```
+
+## Usage
+
+```python
+
+import gradio as gr
+from gradio_imagefeed import ImageFeed
+import time
+from PIL import Image, ImageFilter
+import os 
+
+image = Image.open(os.path.join(os.path.dirname(__file__), "butterfly.png"))
+blurred_images = [image.filter(ImageFilter.GaussianBlur(5-i)) for i in range(5)]
+
+def fake_unblur(steps=5):
+    for i in range(steps):
+        yield blurred_images[i]
+        time.sleep(1)
+    yield image
+
+with gr.Blocks() as demo: 
+    with gr.Row():
+        imagefeed = ImageFeed(label="Generated Images")
+    button = gr.Button("Start Generating")
+    button.click(fake_unblur, inputs=None, outputs=imagefeed)
+
+if __name__ == "__main__":
+    demo.launch()
+
+```
+
+## `ImageFeed`
+
+### Initialization
+
+<table>
+<thead>
+<tr>
+<th align="left">name</th>
+<th align="left" style="width: 25%;">type</th>
+<th align="left">default</th>
+<th align="left">description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td align="left"><code>value</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+str | _Image.Image | np.ndarray | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">A PIL ImageFeed, numpy array, path or URL for the default value that ImageFeed component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.</td>
+</tr>
+
+<tr>
+<td align="left"><code>height</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+int | str | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">The height of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.</td>
+</tr>
+
+<tr>
+<td align="left"><code>width</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+int | str | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">The width of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.</td>
+</tr>
+
+<tr>
+<td align="left"><code>image_mode</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+Literal[
+    "1",
+    "L",
+    "P",
+    "RGB",
+    "RGBA",
+    "CMYK",
+    "YCbCr",
+    "LAB",
+    "HSV",
+    "I",
+    "F",
+]
+```
+
+</td>
+<td align="left"><code>"RGB"</code></td>
+<td align="left">"RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.</td>
+</tr>
+
+<tr>
+<td align="left"><code>sources</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+list[Literal["upload", "webcam", "clipboard"]] | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">List of sources for the image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "clipboard" allows users to paste an image from the clipboard. If None, defaults to ["upload", "webcam", "clipboard"] if streaming is False, otherwise defaults to ["webcam"].</td>
+</tr>
+
+<tr>
+<td align="left"><code>type</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+Literal["numpy", "pil", "filepath"]
+```
+
+</td>
+<td align="left"><code>"numpy"</code></td>
+<td align="left">The format the image is converted before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image. If the image is SVG, the `type` is ignored and the filepath of the SVG is returned.</td>
+</tr>
+
+<tr>
+<td align="left"><code>label</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+str | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.</td>
+</tr>
+
+<tr>
+<td align="left"><code>every</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+float | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.</td>
+</tr>
+
+<tr>
+<td align="left"><code>show_label</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">if True, will display label.</td>
+</tr>
+
+<tr>
+<td align="left"><code>show_download_button</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>True</code></td>
+<td align="left">If True, will display button to download image.</td>
+</tr>
+
+<tr>
+<td align="left"><code>container</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>True</code></td>
+<td align="left">If True, will place the component in a container - providing some extra padding around the border.</td>
+</tr>
+
+<tr>
+<td align="left"><code>scale</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+int | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.</td>
+</tr>
+
+<tr>
+<td align="left"><code>min_width</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+int
+```
+
+</td>
+<td align="left"><code>160</code></td>
+<td align="left">minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.</td>
+</tr>
+
+<tr>
+<td align="left"><code>interactive</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.</td>
+</tr>
+
+<tr>
+<td align="left"><code>visible</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>True</code></td>
+<td align="left">If False, component will be hidden.</td>
+</tr>
+
+<tr>
+<td align="left"><code>streaming</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>False</code></td>
+<td align="left">If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'.</td>
+</tr>
+
+<tr>
+<td align="left"><code>elem_id</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+str | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.</td>
+</tr>
+
+<tr>
+<td align="left"><code>elem_classes</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+list[str] | str | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.</td>
+</tr>
+
+<tr>
+<td align="left"><code>render</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>True</code></td>
+<td align="left">If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.</td>
+</tr>
+
+<tr>
+<td align="left"><code>mirror_webcam</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool
+```
+
+</td>
+<td align="left"><code>True</code></td>
+<td align="left">If True webcam will be mirrored. Default is True.</td>
+</tr>
+
+<tr>
+<td align="left"><code>show_share_button</code></td>
+<td align="left" style="width: 25%;">
+
+```python
+bool | None
+```
+
+</td>
+<td align="left"><code>None</code></td>
+<td align="left">If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.</td>
+</tr>
+</tbody></table>
+
+
+
+
+### User function
+
+The impact on the users predict function varies depending on whether the component is used as an input or output for an event (or both).
+
+- When used as an Input, the component only impacts the input signature of the user function. 
+- When used as an output, the component only impacts the return signature of the user function. 
+
+The code snippet below is accurate in cases where the component is used as both an input and an output.
+
+
+
+ ```python
+ def predict(
+     value: np.ndarray | _Image.Image | str | None
+ ) -> np.ndarray | _Image.Image | str | Path | None:
+     return value
+ ```
+ 

src/backend/gradio_imagefeed/__init__.py

@@ -0,0 +1,4 @@
+
+from .imagefeed import ImageFeed
+
+__all__ = ['ImageFeed']

src/backend/gradio_imagefeed/imagefeed.py

@@ -0,0 +1,198 @@
+"""gr.Image() component."""
+
+from __future__ import annotations
+
+import warnings
+from pathlib import Path
+from typing import Any, Literal, cast
+
+import numpy as np
+from gradio_client.documentation import document, set_documentation_group
+from PIL import Image as _Image  # using _ to minimize namespace pollution
+from PIL import ImageOps
+
+import gradio.image_utils as image_utils
+from gradio import utils
+from gradio.components.base import Component, StreamingInput
+from gradio.data_classes import FileData
+from gradio.events import Events
+
+set_documentation_group("component")
+_Image.init()  # fixes https://github.com/gradio-app/gradio/issues/2843
+
+
+@document()
+class ImageFeed(StreamingInput, Component):
+    """
+    Creates an image component that can be used to upload images (as an input) or display images (as an output).
+    Preprocessing: passes the uploaded image as a {numpy.array}, {PIL.Image} or {str} filepath depending on `type`. For SVGs, the `type` parameter is ignored and the filepath of the SVG is returned.
+    Postprocessing: expects a {numpy.array}, {PIL.Image} or {str} or {pathlib.Path} filepath to an image and displays the image.
+    Examples-format: a {str} local filepath or URL to an image.
+    Demos: image_mod, image_mod_default_image
+    Guides: image-classification-in-pytorch, image-classification-in-tensorflow, image-classification-with-vision-transformers, create-your-own-friends-with-a-gan
+    """
+
+    EVENTS = []
+
+    data_model = FileData
+
+    def __init__(
+        self,
+        value: str | _Image.Image | np.ndarray | None = None,
+        *,
+        height: int | str | None = None,
+        width: int | str | None = None,
+        image_mode: Literal[
+            "1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "LAB", "HSV", "I", "F"
+        ] = "RGB",
+        sources: list[Literal["upload", "webcam", "clipboard"]] | None = None,
+        type: Literal["numpy", "pil", "filepath"] = "numpy",
+        label: str | None = None,
+        every: float | None = None,
+        show_label: bool | None = None,
+        show_download_button: bool = True,
+        container: bool = True,
+        scale: int | None = None,
+        min_width: int = 160,
+        interactive: bool | None = None,
+        visible: bool = True,
+        streaming: bool = False,
+        elem_id: str | None = None,
+        elem_classes: list[str] | str | None = None,
+        render: bool = True,
+        mirror_webcam: bool = True,
+        show_share_button: bool | None = None,
+    ):
+        """
+        Parameters:
+            value: A PIL ImageFeed, numpy array, path or URL for the default value that ImageFeed component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.
+            height: The height of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.
+            width: The width of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.
+            image_mode: "RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.
+            sources: List of sources for the image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "clipboard" allows users to paste an image from the clipboard. If None, defaults to ["upload", "webcam", "clipboard"] if streaming is False, otherwise defaults to ["webcam"].
+            type: The format the image is converted before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image. If the image is SVG, the `type` is ignored and the filepath of the SVG is returned.
+            label: The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.
+            every: If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.
+            show_label: if True, will display label.
+            show_download_button: If True, will display button to download image.
+            container: If True, will place the component in a container - providing some extra padding around the border.
+            scale: relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.
+            min_width: minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.
+            interactive: if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.
+            visible: If False, component will be hidden.
+            streaming: If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'.
+            elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
+            elem_classes: An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.
+            render: If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
+            mirror_webcam: If True webcam will be mirrored. Default is True.
+            show_share_button: If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.
+        """
+        self.mirror_webcam = mirror_webcam
+        valid_types = ["numpy", "pil", "filepath"]
+        if type not in valid_types:
+            raise ValueError(
+                f"Invalid value for parameter `type`: {type}. Please choose from one of: {valid_types}"
+            )
+        self.type = type
+        self.height = height
+        self.width = width
+        self.image_mode = image_mode
+        valid_sources = ["upload", "webcam", "clipboard"]
+        if sources is None:
+            self.sources = (
+                ["webcam"] if streaming else ["upload", "webcam", "clipboard"]
+            )
+        elif isinstance(sources, str):
+            self.sources = [sources]  # type: ignore
+        else:
+            self.sources = sources
+        for source in self.sources:  # type: ignore
+            if source not in valid_sources:
+                raise ValueError(
+                    f"`sources` must a list consisting of elements in {valid_sources}"
+                )
+        self.streaming = streaming
+        self.show_download_button = show_download_button
+        if streaming and self.sources != ["webcam"]:
+            raise ValueError(
+                "ImageFeed streaming only available if sources is ['webcam']. Streaming not supported with multiple sources."
+            )
+        self.show_share_button = (
+            (utils.get_space() is not None)
+            if show_share_button is None
+            else show_share_button
+        )
+        super().__init__(
+            label=label,
+            every=every,
+            show_label=show_label,
+            container=container,
+            scale=scale,
+            min_width=min_width,
+            interactive=interactive,
+            visible=visible,
+            elem_id=elem_id,
+            elem_classes=elem_classes,
+            render=render,
+            value=value,
+        )
+
+    def preprocess(
+        self, payload: FileData | None
+    ) -> np.ndarray | _Image.Image | str | None:
+        if payload is None:
+            return payload
+        file_path = Path(payload.path)
+        if payload.orig_name:
+            p = Path(payload.orig_name)
+            name = p.stem
+            suffix = p.suffix.replace(".", "")
+            if suffix in ["jpg", "jpeg"]:
+                suffix = "jpeg"
+        else:
+            name = "image"
+            suffix = "png"
+
+        if suffix.lower() == "svg":
+            return str(file_path)
+
+        im = _Image.open(file_path)
+        exif = im.getexif()
+        # 274 is the code for image rotation and 1 means "correct orientation"
+        if exif.get(274, 1) != 1 and hasattr(ImageOps, "exif_transpose"):
+            try:
+                im = ImageOps.exif_transpose(im)
+            except Exception:
+                warnings.warn(
+                    f"Failed to transpose image {file_path} based on EXIF data."
+                )
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            im = im.convert(self.image_mode)
+        return image_utils.format_image(
+            im,
+            cast(Literal["numpy", "pil", "filepath"], self.type),
+            self.GRADIO_CACHE,
+            name=name,
+            format=suffix,
+        )
+
+    def postprocess(
+        self, value: np.ndarray | _Image.Image | str | Path | None
+    ) -> FileData | None:
+        if value is None:
+            return None
+        if isinstance(value, str) and value.lower().endswith(".svg"):
+            return FileData(path=value, orig_name=Path(value).name)
+        saved = image_utils.save_image(value, self.GRADIO_CACHE)
+        orig_name = Path(saved).name if Path(saved).exists() else None
+        return FileData(path=saved, orig_name=orig_name)
+
+    def check_streamable(self):
+        if self.streaming and self.sources != ["webcam"]:
+            raise ValueError(
+                "ImageFeed streaming only available if sources is ['webcam']. Streaming not supported with multiple sources."
+            )
+
+    def example_inputs(self) -> Any:
+        return "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"

src/backend/gradio_imagefeed/imagefeed.pyi

@@ -0,0 +1,199 @@
+"""gr.Image() component."""
+
+from __future__ import annotations
+
+import warnings
+from pathlib import Path
+from typing import Any, Literal, cast
+
+import numpy as np
+from gradio_client.documentation import document, set_documentation_group
+from PIL import Image as _Image  # using _ to minimize namespace pollution
+from PIL import ImageOps
+
+import gradio.image_utils as image_utils
+from gradio import utils
+from gradio.components.base import Component, StreamingInput
+from gradio.data_classes import FileData
+from gradio.events import Events
+
+set_documentation_group("component")
+_Image.init()  # fixes https://github.com/gradio-app/gradio/issues/2843
+
+from gradio.events import Dependency
+
+@document()
+class ImageFeed(StreamingInput, Component):
+    """
+    Creates an image component that can be used to upload images (as an input) or display images (as an output).
+    Preprocessing: passes the uploaded image as a {numpy.array}, {PIL.Image} or {str} filepath depending on `type`. For SVGs, the `type` parameter is ignored and the filepath of the SVG is returned.
+    Postprocessing: expects a {numpy.array}, {PIL.Image} or {str} or {pathlib.Path} filepath to an image and displays the image.
+    Examples-format: a {str} local filepath or URL to an image.
+    Demos: image_mod, image_mod_default_image
+    Guides: image-classification-in-pytorch, image-classification-in-tensorflow, image-classification-with-vision-transformers, create-your-own-friends-with-a-gan
+    """
+
+    EVENTS = []
+
+    data_model = FileData
+
+    def __init__(
+        self,
+        value: str | _Image.Image | np.ndarray | None = None,
+        *,
+        height: int | str | None = None,
+        width: int | str | None = None,
+        image_mode: Literal[
+            "1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "LAB", "HSV", "I", "F"
+        ] = "RGB",
+        sources: list[Literal["upload", "webcam", "clipboard"]] | None = None,
+        type: Literal["numpy", "pil", "filepath"] = "numpy",
+        label: str | None = None,
+        every: float | None = None,
+        show_label: bool | None = None,
+        show_download_button: bool = True,
+        container: bool = True,
+        scale: int | None = None,
+        min_width: int = 160,
+        interactive: bool | None = None,
+        visible: bool = True,
+        streaming: bool = False,
+        elem_id: str | None = None,
+        elem_classes: list[str] | str | None = None,
+        render: bool = True,
+        mirror_webcam: bool = True,
+        show_share_button: bool | None = None,
+    ):
+        """
+        Parameters:
+            value: A PIL ImageFeed, numpy array, path or URL for the default value that ImageFeed component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.
+            height: The height of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.
+            width: The width of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.
+            image_mode: "RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.
+            sources: List of sources for the image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "clipboard" allows users to paste an image from the clipboard. If None, defaults to ["upload", "webcam", "clipboard"] if streaming is False, otherwise defaults to ["webcam"].
+            type: The format the image is converted before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image. If the image is SVG, the `type` is ignored and the filepath of the SVG is returned.
+            label: The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.
+            every: If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.
+            show_label: if True, will display label.
+            show_download_button: If True, will display button to download image.
+            container: If True, will place the component in a container - providing some extra padding around the border.
+            scale: relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.
+            min_width: minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.
+            interactive: if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.
+            visible: If False, component will be hidden.
+            streaming: If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'.
+            elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
+            elem_classes: An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.
+            render: If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
+            mirror_webcam: If True webcam will be mirrored. Default is True.
+            show_share_button: If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.
+        """
+        self.mirror_webcam = mirror_webcam
+        valid_types = ["numpy", "pil", "filepath"]
+        if type not in valid_types:
+            raise ValueError(
+                f"Invalid value for parameter `type`: {type}. Please choose from one of: {valid_types}"
+            )
+        self.type = type
+        self.height = height
+        self.width = width
+        self.image_mode = image_mode
+        valid_sources = ["upload", "webcam", "clipboard"]
+        if sources is None:
+            self.sources = (
+                ["webcam"] if streaming else ["upload", "webcam", "clipboard"]
+            )
+        elif isinstance(sources, str):
+            self.sources = [sources]  # type: ignore
+        else:
+            self.sources = sources
+        for source in self.sources:  # type: ignore
+            if source not in valid_sources:
+                raise ValueError(
+                    f"`sources` must a list consisting of elements in {valid_sources}"
+                )
+        self.streaming = streaming
+        self.show_download_button = show_download_button
+        if streaming and self.sources != ["webcam"]:
+            raise ValueError(
+                "ImageFeed streaming only available if sources is ['webcam']. Streaming not supported with multiple sources."
+            )
+        self.show_share_button = (
+            (utils.get_space() is not None)
+            if show_share_button is None
+            else show_share_button
+        )
+        super().__init__(
+            label=label,
+            every=every,
+            show_label=show_label,
+            container=container,
+            scale=scale,
+            min_width=min_width,
+            interactive=interactive,
+            visible=visible,
+            elem_id=elem_id,
+            elem_classes=elem_classes,
+            render=render,
+            value=value,
+        )
+
+    def preprocess(
+        self, payload: FileData | None
+    ) -> np.ndarray | _Image.Image | str | None:
+        if payload is None:
+            return payload
+        file_path = Path(payload.path)
+        if payload.orig_name:
+            p = Path(payload.orig_name)
+            name = p.stem
+            suffix = p.suffix.replace(".", "")
+            if suffix in ["jpg", "jpeg"]:
+                suffix = "jpeg"
+        else:
+            name = "image"
+            suffix = "png"
+
+        if suffix.lower() == "svg":
+            return str(file_path)
+
+        im = _Image.open(file_path)
+        exif = im.getexif()
+        # 274 is the code for image rotation and 1 means "correct orientation"
+        if exif.get(274, 1) != 1 and hasattr(ImageOps, "exif_transpose"):
+            try:
+                im = ImageOps.exif_transpose(im)
+            except Exception:
+                warnings.warn(
+                    f"Failed to transpose image {file_path} based on EXIF data."
+                )
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            im = im.convert(self.image_mode)
+        return image_utils.format_image(
+            im,
+            cast(Literal["numpy", "pil", "filepath"], self.type),
+            self.GRADIO_CACHE,
+            name=name,
+            format=suffix,
+        )
+
+    def postprocess(
+        self, value: np.ndarray | _Image.Image | str | Path | None
+    ) -> FileData | None:
+        if value is None:
+            return None
+        if isinstance(value, str) and value.lower().endswith(".svg"):
+            return FileData(path=value, orig_name=Path(value).name)
+        saved = image_utils.save_image(value, self.GRADIO_CACHE)
+        orig_name = Path(saved).name if Path(saved).exists() else None
+        return FileData(path=saved, orig_name=orig_name)
+
+    def check_streamable(self):
+        if self.streaming and self.sources != ["webcam"]:
+            raise ValueError(
+                "ImageFeed streaming only available if sources is ['webcam']. Streaming not supported with multiple sources."
+            )
+
+    def example_inputs(self) -> Any:
+        return "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"

src/backend/gradio_imagefeed/templates/component/__vite-browser-external-2447137e.js

@@ -0,0 +1,4 @@
+const e = {};
+export {
+  e as default
+};

src/backend/gradio_imagefeed/templates/component/style.css

@@ -0,0 +1 @@
+.block.svelte-1t38q2d{position:relative;margin:0;box-shadow:var(--block-shadow);border-width:var(--block-border-width);border-color:var(--block-border-color);border-radius:var(--block-radius);background:var(--block-background-fill);width:100%;line-height:var(--line-sm)}.block.border_focus.svelte-1t38q2d{border-color:var(--color-accent)}.padded.svelte-1t38q2d{padding:var(--block-padding)}.hidden.svelte-1t38q2d{display:none}.hide-container.svelte-1t38q2d{margin:0;box-shadow:none;--block-border-width:0;background:transparent;padding:0;overflow:visible}div.svelte-1hnfib2{margin-bottom:var(--spacing-lg);color:var(--block-info-text-color);font-weight:var(--block-info-text-weight);font-size:var(--block-info-text-size);line-height:var(--line-sm)}span.has-info.svelte-22c38v{margin-bottom:var(--spacing-xs)}span.svelte-22c38v:not(.has-info){margin-bottom:var(--spacing-lg)}span.svelte-22c38v{display:inline-block;position:relative;z-index:var(--layer-4);border:solid var(--block-title-border-width) var(--block-title-border-color);border-radius:var(--block-title-radius);background:var(--block-title-background-fill);padding:var(--block-title-padding);color:var(--block-title-text-color);font-weight:var(--block-title-text-weight);font-size:var(--block-title-text-size);line-height:var(--line-sm)}.hide.svelte-22c38v{margin:0;height:0}label.svelte-9gxdi0{display:inline-flex;align-items:center;z-index:var(--layer-2);box-shadow:var(--block-label-shadow);border:var(--block-label-border-width) solid var(--border-color-primary);border-top:none;border-left:none;border-radius:var(--block-label-radius);background:var(--block-label-background-fill);padding:var(--block-label-padding);pointer-events:none;color:var(--block-label-text-color);font-weight:var(--block-label-text-weight);font-size:var(--block-label-text-size);line-height:var(--line-sm)}.gr-group 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svelte-1txqlrd-pulse{0%,to{opacity:1}50%{opacity:.5}}.loading.svelte-1txqlrd.svelte-1txqlrd{z-index:var(--layer-2);color:var(--body-text-color)}.eta-bar.svelte-1txqlrd.svelte-1txqlrd{position:absolute;top:0;right:0;bottom:0;left:0;transform-origin:left;opacity:.8;z-index:var(--layer-1);transition:10ms;background:var(--background-fill-secondary)}.progress-bar-wrap.svelte-1txqlrd.svelte-1txqlrd{border:1px solid var(--border-color-primary);background:var(--background-fill-primary);width:55.5%;height:var(--size-4)}.progress-bar.svelte-1txqlrd.svelte-1txqlrd{transform-origin:left;background-color:var(--loader-color);width:var(--size-full);height:var(--size-full)}.progress-level.svelte-1txqlrd.svelte-1txqlrd{display:flex;flex-direction:column;align-items:center;gap:1;z-index:var(--layer-2);width:var(--size-full)}.progress-level-inner.svelte-1txqlrd.svelte-1txqlrd{margin:var(--size-2) auto;color:var(--body-text-color);font-size:var(--text-sm);font-family:var(--font-mono)}.meta-text.svelte-1txqlrd.svelte-1txqlrd{position:absolute;top:0;right:0;z-index:var(--layer-2);padding:var(--size-1) var(--size-2);font-size:var(--text-sm);font-family:var(--font-mono)}.meta-text-center.svelte-1txqlrd.svelte-1txqlrd{display:flex;position:absolute;top:0;right:0;justify-content:center;align-items:center;transform:translateY(var(--size-6));z-index:var(--layer-2);padding:var(--size-1) var(--size-2);font-size:var(--text-sm);font-family:var(--font-mono);text-align:center}.error.svelte-1txqlrd.svelte-1txqlrd{box-shadow:var(--shadow-drop);border:solid 1px var(--error-border-color);border-radius:var(--radius-full);background:var(--error-background-fill);padding-right:var(--size-4);padding-left:var(--size-4);color:var(--error-text-color);font-weight:var(--weight-semibold);font-size:var(--text-lg);line-height:var(--line-lg);font-family:var(--font)}.minimal.svelte-1txqlrd 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src/backend/gradio_imagefeed/templates/component/wrapper-6f348d45-f837cf34.js

@@ -0,0 +1,2455 @@
+import S from "./__vite-browser-external-2447137e.js";
+function z(s) {
+  return s && s.__esModule && Object.prototype.hasOwnProperty.call(s, "default") ? s.default : s;
+}
+function gt(s) {
+  if (s.__esModule)
+    return s;
+  var e = s.default;
+  if (typeof e == "function") {
+    var t = function r() {
+      if (this instanceof r) {
+        var i = [null];
+        i.push.apply(i, arguments);
+        var n = Function.bind.apply(e, i);
+        return new n();
+      }
+      return e.apply(this, arguments);
+    };
+    t.prototype = e.prototype;
+  } else
+    t = {};
+  return Object.defineProperty(t, "__esModule", { value: !0 }), Object.keys(s).forEach(function(r) {
+    var i = Object.getOwnPropertyDescriptor(s, r);
+    Object.defineProperty(t, r, i.get ? i : {
+      enumerable: !0,
+      get: function() {
+        return s[r];
+      }
+    });
+  }), t;
+}
+const { Duplex: yt } = S;
+function Oe(s) {
+  s.emit("close");
+}
+function vt() {
+  !this.destroyed && this._writableState.finished && this.destroy();
+}
+function Qe(s) {
+  this.removeListener("error", Qe), this.destroy(), this.listenerCount("error") === 0 && this.emit("error", s);
+}
+function St(s, e) {
+  let t = !0;
+  const r = new yt({
+    ...e,
+    autoDestroy: !1,
+    emitClose: !1,
+    objectMode: !1,
+    writableObjectMode: !1
+  });
+  return s.on("message", function(n, o) {
+    const l = !o && r._readableState.objectMode ? n.toString() : n;
+    r.push(l) || s.pause();
+  }), s.once("error", function(n) {
+    r.destroyed || (t = !1, r.destroy(n));
+  }), s.once("close", function() {
+    r.destroyed || r.push(null);
+  }), r._destroy = function(i, n) {
+    if (s.readyState === s.CLOSED) {
+      n(i), process.nextTick(Oe, r);
+      return;
+    }
+    let o = !1;
+    s.once("error", function(f) {
+      o = !0, n(f);
+    }), s.once("close", function() {
+      o || n(i), process.nextTick(Oe, r);
+    }), t && s.terminate();
+  }, r._final = function(i) {
+    if (s.readyState === s.CONNECTING) {
+      s.once("open", function() {
+        r._final(i);
+      });
+      return;
+    }
+    s._socket !== null && (s._socket._writableState.finished ? (i(), r._readableState.endEmitted && r.destroy()) : (s._socket.once("finish", function() {
+      i();
+    }), s.close()));
+  }, r._read = function() {
+    s.isPaused && s.resume();
+  }, r._write = function(i, n, o) {
+    if (s.readyState === s.CONNECTING) {
+      s.once("open", function() {
+        r._write(i, n, o);
+      });
+      return;
+    }
+    s.send(i, o);
+  }, r.on("end", vt), r.on("error", Qe), r;
+}
+var Et = St;
+const Vs = /* @__PURE__ */ z(Et);
+var te = { exports: {} }, U = {
+  BINARY_TYPES: ["nodebuffer", "arraybuffer", "fragments"],
+  EMPTY_BUFFER: Buffer.alloc(0),
+  GUID: "258EAFA5-E914-47DA-95CA-C5AB0DC85B11",
+  kForOnEventAttribute: Symbol("kIsForOnEventAttribute"),
+  kListener: Symbol("kListener"),
+  kStatusCode: Symbol("status-code"),
+  kWebSocket: Symbol("websocket"),
+  NOOP: () => {
+  }
+}, bt, xt;
+const { EMPTY_BUFFER: kt } = U, Se = Buffer[Symbol.species];
+function wt(s, e) {
+  if (s.length === 0)
+    return kt;
+  if (s.length === 1)
+    return s[0];
+  const t = Buffer.allocUnsafe(e);
+  let r = 0;
+  for (let i = 0; i < s.length; i++) {
+    const n = s[i];
+    t.set(n, r), r += n.length;
+  }
+  return r < e ? new Se(t.buffer, t.byteOffset, r) : t;
+}
+function Je(s, e, t, r, i) {
+  for (let n = 0; n < i; n++)
+    t[r + n] = s[n] ^ e[n & 3];
+}
+function et(s, e) {
+  for (let t = 0; t < s.length; t++)
+    s[t] ^= e[t & 3];
+}
+function Ot(s) {
+  return s.length === s.buffer.byteLength ? s.buffer : s.buffer.slice(s.byteOffset, s.byteOffset + s.length);
+}
+function Ee(s) {
+  if (Ee.readOnly = !0, Buffer.isBuffer(s))
+    return s;
+  let e;
+  return s instanceof ArrayBuffer ? e = new Se(s) : ArrayBuffer.isView(s) ? e = new Se(s.buffer, s.byteOffset, s.byteLength) : (e = Buffer.from(s), Ee.readOnly = !1), e;
+}
+te.exports = {
+  concat: wt,
+  mask: Je,
+  toArrayBuffer: Ot,
+  toBuffer: Ee,
+  unmask: et
+};
+if (!process.env.WS_NO_BUFFER_UTIL)
+  try {
+    const s = require("bufferutil");
+    xt = te.exports.mask = function(e, t, r, i, n) {
+      n < 48 ? Je(e, t, r, i, n) : s.mask(e, t, r, i, n);
+    }, bt = te.exports.unmask = function(e, t) {
+      e.length < 32 ? et(e, t) : s.unmask(e, t);
+    };
+  } catch {
+  }
+var ne = te.exports;
+const Ce = Symbol("kDone"), ue = Symbol("kRun");
+let Ct = class {
+  /**
+   * Creates a new `Limiter`.
+   *
+   * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed
+   *     to run concurrently
+   */
+  constructor(e) {
+    this[Ce] = () => {
+      this.pending--, this[ue]();
+    }, this.concurrency = e || 1 / 0, this.jobs = [], this.pending = 0;
+  }
+  /**
+   * Adds a job to the queue.
+   *
+   * @param {Function} job The job to run
+   * @public
+   */
+  add(e) {
+    this.jobs.push(e), this[ue]();
+  }
+  /**
+   * Removes a job from the queue and runs it if possible.
+   *
+   * @private
+   */
+  [ue]() {
+    if (this.pending !== this.concurrency && this.jobs.length) {
+      const e = this.jobs.shift();
+      this.pending++, e(this[Ce]);
+    }
+  }
+};
+var Tt = Ct;
+const W = S, Te = ne, Lt = Tt, { kStatusCode: tt } = U, Nt = Buffer[Symbol.species], Pt = Buffer.from([0, 0, 255, 255]), se = Symbol("permessage-deflate"), w = Symbol("total-length"), V = Symbol("callback"), C = Symbol("buffers"), J = Symbol("error");
+let K, Rt = class {
+  /**
+   * Creates a PerMessageDeflate instance.
+   *
+   * @param {Object} [options] Configuration options
+   * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support
+   *     for, or request, a custom client window size
+   * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/
+   *     acknowledge disabling of client context takeover
+   * @param {Number} [options.concurrencyLimit=10] The number of concurrent
+   *     calls to zlib
+   * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the
+   *     use of a custom server window size
+   * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept
+   *     disabling of server context takeover
+   * @param {Number} [options.threshold=1024] Size (in bytes) below which
+   *     messages should not be compressed if context takeover is disabled
+   * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on
+   *     deflate
+   * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on
+   *     inflate
+   * @param {Boolean} [isServer=false] Create the instance in either server or
+   *     client mode
+   * @param {Number} [maxPayload=0] The maximum allowed message length
+   */
+  constructor(e, t, r) {
+    if (this._maxPayload = r | 0, this._options = e || {}, this._threshold = this._options.threshold !== void 0 ? this._options.threshold : 1024, this._isServer = !!t, this._deflate = null, this._inflate = null, this.params = null, !K) {
+      const i = this._options.concurrencyLimit !== void 0 ? this._options.concurrencyLimit : 10;
+      K = new Lt(i);
+    }
+  }
+  /**
+   * @type {String}
+   */
+  static get extensionName() {
+    return "permessage-deflate";
+  }
+  /**
+   * Create an extension negotiation offer.
+   *
+   * @return {Object} Extension parameters
+   * @public
+   */
+  offer() {
+    const e = {};
+    return this._options.serverNoContextTakeover && (e.server_no_context_takeover = !0), this._options.clientNoContextTakeover && (e.client_no_context_takeover = !0), this._options.serverMaxWindowBits && (e.server_max_window_bits = this._options.serverMaxWindowBits), this._options.clientMaxWindowBits ? e.client_max_window_bits = this._options.clientMaxWindowBits : this._options.clientMaxWindowBits == null && (e.client_max_window_bits = !0), e;
+  }
+  /**
+   * Accept an extension negotiation offer/response.
+   *
+   * @param {Array} configurations The extension negotiation offers/reponse
+   * @return {Object} Accepted configuration
+   * @public
+   */
+  accept(e) {
+    return e = this.normalizeParams(e), this.params = this._isServer ? this.acceptAsServer(e) : this.acceptAsClient(e), this.params;
+  }
+  /**
+   * Releases all resources used by the extension.
+   *
+   * @public
+   */
+  cleanup() {
+    if (this._inflate && (this._inflate.close(), this._inflate = null), this._deflate) {
+      const e = this._deflate[V];
+      this._deflate.close(), this._deflate = null, e && e(
+        new Error(
+          "The deflate stream was closed while data was being processed"
+        )
+      );
+    }
+  }
+  /**
+   *  Accept an extension negotiation offer.
+   *
+   * @param {Array} offers The extension negotiation offers
+   * @return {Object} Accepted configuration
+   * @private
+   */
+  acceptAsServer(e) {
+    const t = this._options, r = e.find((i) => !(t.serverNoContextTakeover === !1 && i.server_no_context_takeover || i.server_max_window_bits && (t.serverMaxWindowBits === !1 || typeof t.serverMaxWindowBits == "number" && t.serverMaxWindowBits > i.server_max_window_bits) || typeof t.clientMaxWindowBits == "number" && !i.client_max_window_bits));
+    if (!r)
+      throw new Error("None of the extension offers can be accepted");
+    return t.serverNoContextTakeover && (r.server_no_context_takeover = !0), t.clientNoContextTakeover && (r.client_no_context_takeover = !0), typeof t.serverMaxWindowBits == "number" && (r.server_max_window_bits = t.serverMaxWindowBits), typeof t.clientMaxWindowBits == "number" ? r.client_max_window_bits = t.clientMaxWindowBits : (r.client_max_window_bits === !0 || t.clientMaxWindowBits === !1) && delete r.client_max_window_bits, r;
+  }
+  /**
+   * Accept the extension negotiation response.
+   *
+   * @param {Array} response The extension negotiation response
+   * @return {Object} Accepted configuration
+   * @private
+   */
+  acceptAsClient(e) {
+    const t = e[0];
+    if (this._options.clientNoContextTakeover === !1 && t.client_no_context_takeover)
+      throw new Error('Unexpected parameter "client_no_context_takeover"');
+    if (!t.client_max_window_bits)
+      typeof this._options.clientMaxWindowBits == "number" && (t.client_max_window_bits = this._options.clientMaxWindowBits);
+    else if (this._options.clientMaxWindowBits === !1 || typeof this._options.clientMaxWindowBits == "number" && t.client_max_window_bits > this._options.clientMaxWindowBits)
+      throw new Error(
+        'Unexpected or invalid parameter "client_max_window_bits"'
+      );
+    return t;
+  }
+  /**
+   * Normalize parameters.
+   *
+   * @param {Array} configurations The extension negotiation offers/reponse
+   * @return {Array} The offers/response with normalized parameters
+   * @private
+   */
+  normalizeParams(e) {
+    return e.forEach((t) => {
+      Object.keys(t).forEach((r) => {
+        let i = t[r];
+        if (i.length > 1)
+          throw new Error(`Parameter "${r}" must have only a single value`);
+        if (i = i[0], r === "client_max_window_bits") {
+          if (i !== !0) {
+            const n = +i;
+            if (!Number.isInteger(n) || n < 8 || n > 15)
+              throw new TypeError(
+                `Invalid value for parameter "${r}": ${i}`
+              );
+            i = n;
+          } else if (!this._isServer)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+        } else if (r === "server_max_window_bits") {
+          const n = +i;
+          if (!Number.isInteger(n) || n < 8 || n > 15)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+          i = n;
+        } else if (r === "client_no_context_takeover" || r === "server_no_context_takeover") {
+          if (i !== !0)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+        } else
+          throw new Error(`Unknown parameter "${r}"`);
+        t[r] = i;
+      });
+    }), e;
+  }
+  /**
+   * Decompress data. Concurrency limited.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @public
+   */
+  decompress(e, t, r) {
+    K.add((i) => {
+      this._decompress(e, t, (n, o) => {
+        i(), r(n, o);
+      });
+    });
+  }
+  /**
+   * Compress data. Concurrency limited.
+   *
+   * @param {(Buffer|String)} data Data to compress
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @public
+   */
+  compress(e, t, r) {
+    K.add((i) => {
+      this._compress(e, t, (n, o) => {
+        i(), r(n, o);
+      });
+    });
+  }
+  /**
+   * Decompress data.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @private
+   */
+  _decompress(e, t, r) {
+    const i = this._isServer ? "client" : "server";
+    if (!this._inflate) {
+      const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
+      this._inflate = W.createInflateRaw({
+        ...this._options.zlibInflateOptions,
+        windowBits: o
+      }), this._inflate[se] = this, this._inflate[w] = 0, this._inflate[C] = [], this._inflate.on("error", Bt), this._inflate.on("data", st);
+    }
+    this._inflate[V] = r, this._inflate.write(e), t && this._inflate.write(Pt), this._inflate.flush(() => {
+      const n = this._inflate[J];
+      if (n) {
+        this._inflate.close(), this._inflate = null, r(n);
+        return;
+      }
+      const o = Te.concat(
+        this._inflate[C],
+        this._inflate[w]
+      );
+      this._inflate._readableState.endEmitted ? (this._inflate.close(), this._inflate = null) : (this._inflate[w] = 0, this._inflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._inflate.reset()), r(null, o);
+    });
+  }
+  /**
+   * Compress data.
+   *
+   * @param {(Buffer|String)} data Data to compress
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @private
+   */
+  _compress(e, t, r) {
+    const i = this._isServer ? "server" : "client";
+    if (!this._deflate) {
+      const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
+      this._deflate = W.createDeflateRaw({
+        ...this._options.zlibDeflateOptions,
+        windowBits: o
+      }), this._deflate[w] = 0, this._deflate[C] = [], this._deflate.on("data", Ut);
+    }
+    this._deflate[V] = r, this._deflate.write(e), this._deflate.flush(W.Z_SYNC_FLUSH, () => {
+      if (!this._deflate)
+        return;
+      let n = Te.concat(
+        this._deflate[C],
+        this._deflate[w]
+      );
+      t && (n = new Nt(n.buffer, n.byteOffset, n.length - 4)), this._deflate[V] = null, this._deflate[w] = 0, this._deflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._deflate.reset(), r(null, n);
+    });
+  }
+};
+var oe = Rt;
+function Ut(s) {
+  this[C].push(s), this[w] += s.length;
+}
+function st(s) {
+  if (this[w] += s.length, this[se]._maxPayload < 1 || this[w] <= this[se]._maxPayload) {
+    this[C].push(s);
+    return;
+  }
+  this[J] = new RangeError("Max payload size exceeded"), this[J].code = "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH", this[J][tt] = 1009, this.removeListener("data", st), this.reset();
+}
+function Bt(s) {
+  this[se]._inflate = null, s[tt] = 1007, this[V](s);
+}
+var re = { exports: {} };
+const $t = {}, Mt = /* @__PURE__ */ Object.freeze(/* @__PURE__ */ Object.defineProperty({
+  __proto__: null,
+  default: $t
+}, Symbol.toStringTag, { value: "Module" })), It = /* @__PURE__ */ gt(Mt);
+var Le;
+const { isUtf8: Ne } = S, Dt = [
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 0 - 15
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 16 - 31
+  0,
+  1,
+  0,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  1,
+  1,
+  0,
+  1,
+  1,
+  0,
+  // 32 - 47
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 48 - 63
+  0,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  // 64 - 79
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  0,
+  1,
+  1,
+  // 80 - 95
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  // 96 - 111
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  1,
+  0,
+  1,
+  0
+  // 112 - 127
+];
+function Wt(s) {
+  return s >= 1e3 && s <= 1014 && s !== 1004 && s !== 1005 && s !== 1006 || s >= 3e3 && s <= 4999;
+}
+function be(s) {
+  const e = s.length;
+  let t = 0;
+  for (; t < e; )
+    if (!(s[t] & 128))
+      t++;
+    else if ((s[t] & 224) === 192) {
+      if (t + 1 === e || (s[t + 1] & 192) !== 128 || (s[t] & 254) === 192)
+        return !1;
+      t += 2;
+    } else if ((s[t] & 240) === 224) {
+      if (t + 2 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || s[t] === 224 && (s[t + 1] & 224) === 128 || // Overlong
+      s[t] === 237 && (s[t + 1] & 224) === 160)
+        return !1;
+      t += 3;
+    } else if ((s[t] & 248) === 240) {
+      if (t + 3 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || (s[t + 3] & 192) !== 128 || s[t] === 240 && (s[t + 1] & 240) === 128 || // Overlong
+      s[t] === 244 && s[t + 1] > 143 || s[t] > 244)
+        return !1;
+      t += 4;
+    } else
+      return !1;
+  return !0;
+}
+re.exports = {
+  isValidStatusCode: Wt,
+  isValidUTF8: be,
+  tokenChars: Dt
+};
+if (Ne)
+  Le = re.exports.isValidUTF8 = function(s) {
+    return s.length < 24 ? be(s) : Ne(s);
+  };
+else if (!process.env.WS_NO_UTF_8_VALIDATE)
+  try {
+    const s = It;
+    Le = re.exports.isValidUTF8 = function(e) {
+      return e.length < 32 ? be(e) : s(e);
+    };
+  } catch {
+  }
+var ae = re.exports;
+const { Writable: At } = S, Pe = oe, {
+  BINARY_TYPES: Ft,
+  EMPTY_BUFFER: Re,
+  kStatusCode: jt,
+  kWebSocket: Gt
+} = U, { concat: de, toArrayBuffer: Vt, unmask: Ht } = ne, { isValidStatusCode: zt, isValidUTF8: Ue } = ae, X = Buffer[Symbol.species], A = 0, Be = 1, $e = 2, Me = 3, _e = 4, Yt = 5;
+let qt = class extends At {
+  /**
+   * Creates a Receiver instance.
+   *
+   * @param {Object} [options] Options object
+   * @param {String} [options.binaryType=nodebuffer] The type for binary data
+   * @param {Object} [options.extensions] An object containing the negotiated
+   *     extensions
+   * @param {Boolean} [options.isServer=false] Specifies whether to operate in
+   *     client or server mode
+   * @param {Number} [options.maxPayload=0] The maximum allowed message length
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   */
+  constructor(e = {}) {
+    super(), this._binaryType = e.binaryType || Ft[0], this._extensions = e.extensions || {}, this._isServer = !!e.isServer, this._maxPayload = e.maxPayload | 0, this._skipUTF8Validation = !!e.skipUTF8Validation, this[Gt] = void 0, this._bufferedBytes = 0, this._buffers = [], this._compressed = !1, this._payloadLength = 0, this._mask = void 0, this._fragmented = 0, this._masked = !1, this._fin = !1, this._opcode = 0, this._totalPayloadLength = 0, this._messageLength = 0, this._fragments = [], this._state = A, this._loop = !1;
+  }
+  /**
+   * Implements `Writable.prototype._write()`.
+   *
+   * @param {Buffer} chunk The chunk of data to write
+   * @param {String} encoding The character encoding of `chunk`
+   * @param {Function} cb Callback
+   * @private
+   */
+  _write(e, t, r) {
+    if (this._opcode === 8 && this._state == A)
+      return r();
+    this._bufferedBytes += e.length, this._buffers.push(e), this.startLoop(r);
+  }
+  /**
+   * Consumes `n` bytes from the buffered data.
+   *
+   * @param {Number} n The number of bytes to consume
+   * @return {Buffer} The consumed bytes
+   * @private
+   */
+  consume(e) {
+    if (this._bufferedBytes -= e, e === this._buffers[0].length)
+      return this._buffers.shift();
+    if (e < this._buffers[0].length) {
+      const r = this._buffers[0];
+      return this._buffers[0] = new X(
+        r.buffer,
+        r.byteOffset + e,
+        r.length - e
+      ), new X(r.buffer, r.byteOffset, e);
+    }
+    const t = Buffer.allocUnsafe(e);
+    do {
+      const r = this._buffers[0], i = t.length - e;
+      e >= r.length ? t.set(this._buffers.shift(), i) : (t.set(new Uint8Array(r.buffer, r.byteOffset, e), i), this._buffers[0] = new X(
+        r.buffer,
+        r.byteOffset + e,
+        r.length - e
+      )), e -= r.length;
+    } while (e > 0);
+    return t;
+  }
+  /**
+   * Starts the parsing loop.
+   *
+   * @param {Function} cb Callback
+   * @private
+   */
+  startLoop(e) {
+    let t;
+    this._loop = !0;
+    do
+      switch (this._state) {
+        case A:
+          t = this.getInfo();
+          break;
+        case Be:
+          t = this.getPayloadLength16();
+          break;
+        case $e:
+          t = this.getPayloadLength64();
+          break;
+        case Me:
+          this.getMask();
+          break;
+        case _e:
+          t = this.getData(e);
+          break;
+        default:
+          this._loop = !1;
+          return;
+      }
+    while (this._loop);
+    e(t);
+  }
+  /**
+   * Reads the first two bytes of a frame.
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getInfo() {
+    if (this._bufferedBytes < 2) {
+      this._loop = !1;
+      return;
+    }
+    const e = this.consume(2);
+    if (e[0] & 48)
+      return this._loop = !1, g(
+        RangeError,
+        "RSV2 and RSV3 must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_RSV_2_3"
+      );
+    const t = (e[0] & 64) === 64;
+    if (t && !this._extensions[Pe.extensionName])
+      return this._loop = !1, g(
+        RangeError,
+        "RSV1 must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_RSV_1"
+      );
+    if (this._fin = (e[0] & 128) === 128, this._opcode = e[0] & 15, this._payloadLength = e[1] & 127, this._opcode === 0) {
+      if (t)
+        return this._loop = !1, g(
+          RangeError,
+          "RSV1 must be clear",
+          !0,
+          1002,
+          "WS_ERR_UNEXPECTED_RSV_1"
+        );
+      if (!this._fragmented)
+        return this._loop = !1, g(
+          RangeError,
+          "invalid opcode 0",
+          !0,
+          1002,
+          "WS_ERR_INVALID_OPCODE"
+        );
+      this._opcode = this._fragmented;
+    } else if (this._opcode === 1 || this._opcode === 2) {
+      if (this._fragmented)
+        return this._loop = !1, g(
+          RangeError,
+          `invalid opcode ${this._opcode}`,
+          !0,
+          1002,
+          "WS_ERR_INVALID_OPCODE"
+        );
+      this._compressed = t;
+    } else if (this._opcode > 7 && this._opcode < 11) {
+      if (!this._fin)
+        return this._loop = !1, g(
+          RangeError,
+          "FIN must be set",
+          !0,
+          1002,
+          "WS_ERR_EXPECTED_FIN"
+        );
+      if (t)
+        return this._loop = !1, g(
+          RangeError,
+          "RSV1 must be clear",
+          !0,
+          1002,
+          "WS_ERR_UNEXPECTED_RSV_1"
+        );
+      if (this._payloadLength > 125 || this._opcode === 8 && this._payloadLength === 1)
+        return this._loop = !1, g(
+          RangeError,
+          `invalid payload length ${this._payloadLength}`,
+          !0,
+          1002,
+          "WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"
+        );
+    } else
+      return this._loop = !1, g(
+        RangeError,
+        `invalid opcode ${this._opcode}`,
+        !0,
+        1002,
+        "WS_ERR_INVALID_OPCODE"
+      );
+    if (!this._fin && !this._fragmented && (this._fragmented = this._opcode), this._masked = (e[1] & 128) === 128, this._isServer) {
+      if (!this._masked)
+        return this._loop = !1, g(
+          RangeError,
+          "MASK must be set",
+          !0,
+          1002,
+          "WS_ERR_EXPECTED_MASK"
+        );
+    } else if (this._masked)
+      return this._loop = !1, g(
+        RangeError,
+        "MASK must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_MASK"
+      );
+    if (this._payloadLength === 126)
+      this._state = Be;
+    else if (this._payloadLength === 127)
+      this._state = $e;
+    else
+      return this.haveLength();
+  }
+  /**
+   * Gets extended payload length (7+16).
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getPayloadLength16() {
+    if (this._bufferedBytes < 2) {
+      this._loop = !1;
+      return;
+    }
+    return this._payloadLength = this.consume(2).readUInt16BE(0), this.haveLength();
+  }
+  /**
+   * Gets extended payload length (7+64).
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getPayloadLength64() {
+    if (this._bufferedBytes < 8) {
+      this._loop = !1;
+      return;
+    }
+    const e = this.consume(8), t = e.readUInt32BE(0);
+    return t > Math.pow(2, 53 - 32) - 1 ? (this._loop = !1, g(
+      RangeError,
+      "Unsupported WebSocket frame: payload length > 2^53 - 1",
+      !1,
+      1009,
+      "WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"
+    )) : (this._payloadLength = t * Math.pow(2, 32) + e.readUInt32BE(4), this.haveLength());
+  }
+  /**
+   * Payload length has been read.
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  haveLength() {
+    if (this._payloadLength && this._opcode < 8 && (this._totalPayloadLength += this._payloadLength, this._totalPayloadLength > this._maxPayload && this._maxPayload > 0))
+      return this._loop = !1, g(
+        RangeError,
+        "Max payload size exceeded",
+        !1,
+        1009,
+        "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
+      );
+    this._masked ? this._state = Me : this._state = _e;
+  }
+  /**
+   * Reads mask bytes.
+   *
+   * @private
+   */
+  getMask() {
+    if (this._bufferedBytes < 4) {
+      this._loop = !1;
+      return;
+    }
+    this._mask = this.consume(4), this._state = _e;
+  }
+  /**
+   * Reads data bytes.
+   *
+   * @param {Function} cb Callback
+   * @return {(Error|RangeError|undefined)} A possible error
+   * @private
+   */
+  getData(e) {
+    let t = Re;
+    if (this._payloadLength) {
+      if (this._bufferedBytes < this._payloadLength) {
+        this._loop = !1;
+        return;
+      }
+      t = this.consume(this._payloadLength), this._masked && this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3] && Ht(t, this._mask);
+    }
+    if (this._opcode > 7)
+      return this.controlMessage(t);
+    if (this._compressed) {
+      this._state = Yt, this.decompress(t, e);
+      return;
+    }
+    return t.length && (this._messageLength = this._totalPayloadLength, this._fragments.push(t)), this.dataMessage();
+  }
+  /**
+   * Decompresses data.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Function} cb Callback
+   * @private
+   */
+  decompress(e, t) {
+    this._extensions[Pe.extensionName].decompress(e, this._fin, (i, n) => {
+      if (i)
+        return t(i);
+      if (n.length) {
+        if (this._messageLength += n.length, this._messageLength > this._maxPayload && this._maxPayload > 0)
+          return t(
+            g(
+              RangeError,
+              "Max payload size exceeded",
+              !1,
+              1009,
+              "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
+            )
+          );
+        this._fragments.push(n);
+      }
+      const o = this.dataMessage();
+      if (o)
+        return t(o);
+      this.startLoop(t);
+    });
+  }
+  /**
+   * Handles a data message.
+   *
+   * @return {(Error|undefined)} A possible error
+   * @private
+   */
+  dataMessage() {
+    if (this._fin) {
+      const e = this._messageLength, t = this._fragments;
+      if (this._totalPayloadLength = 0, this._messageLength = 0, this._fragmented = 0, this._fragments = [], this._opcode === 2) {
+        let r;
+        this._binaryType === "nodebuffer" ? r = de(t, e) : this._binaryType === "arraybuffer" ? r = Vt(de(t, e)) : r = t, this.emit("message", r, !0);
+      } else {
+        const r = de(t, e);
+        if (!this._skipUTF8Validation && !Ue(r))
+          return this._loop = !1, g(
+            Error,
+            "invalid UTF-8 sequence",
+            !0,
+            1007,
+            "WS_ERR_INVALID_UTF8"
+          );
+        this.emit("message", r, !1);
+      }
+    }
+    this._state = A;
+  }
+  /**
+   * Handles a control message.
+   *
+   * @param {Buffer} data Data to handle
+   * @return {(Error|RangeError|undefined)} A possible error
+   * @private
+   */
+  controlMessage(e) {
+    if (this._opcode === 8)
+      if (this._loop = !1, e.length === 0)
+        this.emit("conclude", 1005, Re), this.end();
+      else {
+        const t = e.readUInt16BE(0);
+        if (!zt(t))
+          return g(
+            RangeError,
+            `invalid status code ${t}`,
+            !0,
+            1002,
+            "WS_ERR_INVALID_CLOSE_CODE"
+          );
+        const r = new X(
+          e.buffer,
+          e.byteOffset + 2,
+          e.length - 2
+        );
+        if (!this._skipUTF8Validation && !Ue(r))
+          return g(
+            Error,
+            "invalid UTF-8 sequence",
+            !0,
+            1007,
+            "WS_ERR_INVALID_UTF8"
+          );
+        this.emit("conclude", t, r), this.end();
+      }
+    else
+      this._opcode === 9 ? this.emit("ping", e) : this.emit("pong", e);
+    this._state = A;
+  }
+};
+var rt = qt;
+function g(s, e, t, r, i) {
+  const n = new s(
+    t ? `Invalid WebSocket frame: ${e}` : e
+  );
+  return Error.captureStackTrace(n, g), n.code = i, n[jt] = r, n;
+}
+const qs = /* @__PURE__ */ z(rt), { randomFillSync: Kt } = S, Ie = oe, { EMPTY_BUFFER: Xt } = U, { isValidStatusCode: Zt } = ae, { mask: De, toBuffer: M } = ne, x = Symbol("kByteLength"), Qt = Buffer.alloc(4);
+let Jt = class P {
+  /**
+   * Creates a Sender instance.
+   *
+   * @param {(net.Socket|tls.Socket)} socket The connection socket
+   * @param {Object} [extensions] An object containing the negotiated extensions
+   * @param {Function} [generateMask] The function used to generate the masking
+   *     key
+   */
+  constructor(e, t, r) {
+    this._extensions = t || {}, r && (this._generateMask = r, this._maskBuffer = Buffer.alloc(4)), this._socket = e, this._firstFragment = !0, this._compress = !1, this._bufferedBytes = 0, this._deflating = !1, this._queue = [];
+  }
+  /**
+   * Frames a piece of data according to the HyBi WebSocket protocol.
+   *
+   * @param {(Buffer|String)} data The data to frame
+   * @param {Object} options Options object
+   * @param {Boolean} [options.fin=false] Specifies whether or not to set the
+   *     FIN bit
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
+   *     key
+   * @param {Number} options.opcode The opcode
+   * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
+   *     modified
+   * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
+   *     RSV1 bit
+   * @return {(Buffer|String)[]} The framed data
+   * @public
+   */
+  static frame(e, t) {
+    let r, i = !1, n = 2, o = !1;
+    t.mask && (r = t.maskBuffer || Qt, t.generateMask ? t.generateMask(r) : Kt(r, 0, 4), o = (r[0] | r[1] | r[2] | r[3]) === 0, n = 6);
+    let l;
+    typeof e == "string" ? (!t.mask || o) && t[x] !== void 0 ? l = t[x] : (e = Buffer.from(e), l = e.length) : (l = e.length, i = t.mask && t.readOnly && !o);
+    let f = l;
+    l >= 65536 ? (n += 8, f = 127) : l > 125 && (n += 2, f = 126);
+    const a = Buffer.allocUnsafe(i ? l + n : n);
+    return a[0] = t.fin ? t.opcode | 128 : t.opcode, t.rsv1 && (a[0] |= 64), a[1] = f, f === 126 ? a.writeUInt16BE(l, 2) : f === 127 && (a[2] = a[3] = 0, a.writeUIntBE(l, 4, 6)), t.mask ? (a[1] |= 128, a[n - 4] = r[0], a[n - 3] = r[1], a[n - 2] = r[2], a[n - 1] = r[3], o ? [a, e] : i ? (De(e, r, a, n, l), [a]) : (De(e, r, e, 0, l), [a, e])) : [a, e];
+  }
+  /**
+   * Sends a close message to the other peer.
+   *
+   * @param {Number} [code] The status code component of the body
+   * @param {(String|Buffer)} [data] The message component of the body
+   * @param {Boolean} [mask=false] Specifies whether or not to mask the message
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  close(e, t, r, i) {
+    let n;
+    if (e === void 0)
+      n = Xt;
+    else {
+      if (typeof e != "number" || !Zt(e))
+        throw new TypeError("First argument must be a valid error code number");
+      if (t === void 0 || !t.length)
+        n = Buffer.allocUnsafe(2), n.writeUInt16BE(e, 0);
+      else {
+        const l = Buffer.byteLength(t);
+        if (l > 123)
+          throw new RangeError("The message must not be greater than 123 bytes");
+        n = Buffer.allocUnsafe(2 + l), n.writeUInt16BE(e, 0), typeof t == "string" ? n.write(t, 2) : n.set(t, 2);
+      }
+    }
+    const o = {
+      [x]: n.length,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: r,
+      maskBuffer: this._maskBuffer,
+      opcode: 8,
+      readOnly: !1,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, n, !1, o, i]) : this.sendFrame(P.frame(n, o), i);
+  }
+  /**
+   * Sends a ping message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  ping(e, t, r) {
+    let i, n;
+    if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
+      throw new RangeError("The data size must not be greater than 125 bytes");
+    const o = {
+      [x]: i,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: t,
+      maskBuffer: this._maskBuffer,
+      opcode: 9,
+      readOnly: n,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
+  }
+  /**
+   * Sends a pong message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  pong(e, t, r) {
+    let i, n;
+    if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
+      throw new RangeError("The data size must not be greater than 125 bytes");
+    const o = {
+      [x]: i,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: t,
+      maskBuffer: this._maskBuffer,
+      opcode: 10,
+      readOnly: n,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
+  }
+  /**
+   * Sends a data message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Object} options Options object
+   * @param {Boolean} [options.binary=false] Specifies whether `data` is binary
+   *     or text
+   * @param {Boolean} [options.compress=false] Specifies whether or not to
+   *     compress `data`
+   * @param {Boolean} [options.fin=false] Specifies whether the fragment is the
+   *     last one
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  send(e, t, r) {
+    const i = this._extensions[Ie.extensionName];
+    let n = t.binary ? 2 : 1, o = t.compress, l, f;
+    if (typeof e == "string" ? (l = Buffer.byteLength(e), f = !1) : (e = M(e), l = e.length, f = M.readOnly), this._firstFragment ? (this._firstFragment = !1, o && i && i.params[i._isServer ? "server_no_context_takeover" : "client_no_context_takeover"] && (o = l >= i._threshold), this._compress = o) : (o = !1, n = 0), t.fin && (this._firstFragment = !0), i) {
+      const a = {
+        [x]: l,
+        fin: t.fin,
+        generateMask: this._generateMask,
+        mask: t.mask,
+        maskBuffer: this._maskBuffer,
+        opcode: n,
+        readOnly: f,
+        rsv1: o
+      };
+      this._deflating ? this.enqueue([this.dispatch, e, this._compress, a, r]) : this.dispatch(e, this._compress, a, r);
+    } else
+      this.sendFrame(
+        P.frame(e, {
+          [x]: l,
+          fin: t.fin,
+          generateMask: this._generateMask,
+          mask: t.mask,
+          maskBuffer: this._maskBuffer,
+          opcode: n,
+          readOnly: f,
+          rsv1: !1
+        }),
+        r
+      );
+  }
+  /**
+   * Dispatches a message.
+   *
+   * @param {(Buffer|String)} data The message to send
+   * @param {Boolean} [compress=false] Specifies whether or not to compress
+   *     `data`
+   * @param {Object} options Options object
+   * @param {Boolean} [options.fin=false] Specifies whether or not to set the
+   *     FIN bit
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
+   *     key
+   * @param {Number} options.opcode The opcode
+   * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
+   *     modified
+   * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
+   *     RSV1 bit
+   * @param {Function} [cb] Callback
+   * @private
+   */
+  dispatch(e, t, r, i) {
+    if (!t) {
+      this.sendFrame(P.frame(e, r), i);
+      return;
+    }
+    const n = this._extensions[Ie.extensionName];
+    this._bufferedBytes += r[x], this._deflating = !0, n.compress(e, r.fin, (o, l) => {
+      if (this._socket.destroyed) {
+        const f = new Error(
+          "The socket was closed while data was being compressed"
+        );
+        typeof i == "function" && i(f);
+        for (let a = 0; a < this._queue.length; a++) {
+          const c = this._queue[a], h = c[c.length - 1];
+          typeof h == "function" && h(f);
+        }
+        return;
+      }
+      this._bufferedBytes -= r[x], this._deflating = !1, r.readOnly = !1, this.sendFrame(P.frame(l, r), i), this.dequeue();
+    });
+  }
+  /**
+   * Executes queued send operations.
+   *
+   * @private
+   */
+  dequeue() {
+    for (; !this._deflating && this._queue.length; ) {
+      const e = this._queue.shift();
+      this._bufferedBytes -= e[3][x], Reflect.apply(e[0], this, e.slice(1));
+    }
+  }
+  /**
+   * Enqueues a send operation.
+   *
+   * @param {Array} params Send operation parameters.
+   * @private
+   */
+  enqueue(e) {
+    this._bufferedBytes += e[3][x], this._queue.push(e);
+  }
+  /**
+   * Sends a frame.
+   *
+   * @param {Buffer[]} list The frame to send
+   * @param {Function} [cb] Callback
+   * @private
+   */
+  sendFrame(e, t) {
+    e.length === 2 ? (this._socket.cork(), this._socket.write(e[0]), this._socket.write(e[1], t), this._socket.uncork()) : this._socket.write(e[0], t);
+  }
+};
+var it = Jt;
+const Ks = /* @__PURE__ */ z(it), { kForOnEventAttribute: F, kListener: pe } = U, We = Symbol("kCode"), Ae = Symbol("kData"), Fe = Symbol("kError"), je = Symbol("kMessage"), Ge = Symbol("kReason"), I = Symbol("kTarget"), Ve = Symbol("kType"), He = Symbol("kWasClean");
+class B {
+  /**
+   * Create a new `Event`.
+   *
+   * @param {String} type The name of the event
+   * @throws {TypeError} If the `type` argument is not specified
+   */
+  constructor(e) {
+    this[I] = null, this[Ve] = e;
+  }
+  /**
+   * @type {*}
+   */
+  get target() {
+    return this[I];
+  }
+  /**
+   * @type {String}
+   */
+  get type() {
+    return this[Ve];
+  }
+}
+Object.defineProperty(B.prototype, "target", { enumerable: !0 });
+Object.defineProperty(B.prototype, "type", { enumerable: !0 });
+class Y extends B {
+  /**
+   * Create a new `CloseEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {Number} [options.code=0] The status code explaining why the
+   *     connection was closed
+   * @param {String} [options.reason=''] A human-readable string explaining why
+   *     the connection was closed
+   * @param {Boolean} [options.wasClean=false] Indicates whether or not the
+   *     connection was cleanly closed
+   */
+  constructor(e, t = {}) {
+    super(e), this[We] = t.code === void 0 ? 0 : t.code, this[Ge] = t.reason === void 0 ? "" : t.reason, this[He] = t.wasClean === void 0 ? !1 : t.wasClean;
+  }
+  /**
+   * @type {Number}
+   */
+  get code() {
+    return this[We];
+  }
+  /**
+   * @type {String}
+   */
+  get reason() {
+    return this[Ge];
+  }
+  /**
+   * @type {Boolean}
+   */
+  get wasClean() {
+    return this[He];
+  }
+}
+Object.defineProperty(Y.prototype, "code", { enumerable: !0 });
+Object.defineProperty(Y.prototype, "reason", { enumerable: !0 });
+Object.defineProperty(Y.prototype, "wasClean", { enumerable: !0 });
+class le extends B {
+  /**
+   * Create a new `ErrorEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {*} [options.error=null] The error that generated this event
+   * @param {String} [options.message=''] The error message
+   */
+  constructor(e, t = {}) {
+    super(e), this[Fe] = t.error === void 0 ? null : t.error, this[je] = t.message === void 0 ? "" : t.message;
+  }
+  /**
+   * @type {*}
+   */
+  get error() {
+    return this[Fe];
+  }
+  /**
+   * @type {String}
+   */
+  get message() {
+    return this[je];
+  }
+}
+Object.defineProperty(le.prototype, "error", { enumerable: !0 });
+Object.defineProperty(le.prototype, "message", { enumerable: !0 });
+class xe extends B {
+  /**
+   * Create a new `MessageEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {*} [options.data=null] The message content
+   */
+  constructor(e, t = {}) {
+    super(e), this[Ae] = t.data === void 0 ? null : t.data;
+  }
+  /**
+   * @type {*}
+   */
+  get data() {
+    return this[Ae];
+  }
+}
+Object.defineProperty(xe.prototype, "data", { enumerable: !0 });
+const es = {
+  /**
+   * Register an event listener.
+   *
+   * @param {String} type A string representing the event type to listen for
+   * @param {(Function|Object)} handler The listener to add
+   * @param {Object} [options] An options object specifies characteristics about
+   *     the event listener
+   * @param {Boolean} [options.once=false] A `Boolean` indicating that the
+   *     listener should be invoked at most once after being added. If `true`,
+   *     the listener would be automatically removed when invoked.
+   * @public
+   */
+  addEventListener(s, e, t = {}) {
+    for (const i of this.listeners(s))
+      if (!t[F] && i[pe] === e && !i[F])
+        return;
+    let r;
+    if (s === "message")
+      r = function(n, o) {
+        const l = new xe("message", {
+          data: o ? n : n.toString()
+        });
+        l[I] = this, Z(e, this, l);
+      };
+    else if (s === "close")
+      r = function(n, o) {
+        const l = new Y("close", {
+          code: n,
+          reason: o.toString(),
+          wasClean: this._closeFrameReceived && this._closeFrameSent
+        });
+        l[I] = this, Z(e, this, l);
+      };
+    else if (s === "error")
+      r = function(n) {
+        const o = new le("error", {
+          error: n,
+          message: n.message
+        });
+        o[I] = this, Z(e, this, o);
+      };
+    else if (s === "open")
+      r = function() {
+        const n = new B("open");
+        n[I] = this, Z(e, this, n);
+      };
+    else
+      return;
+    r[F] = !!t[F], r[pe] = e, t.once ? this.once(s, r) : this.on(s, r);
+  },
+  /**
+   * Remove an event listener.
+   *
+   * @param {String} type A string representing the event type to remove
+   * @param {(Function|Object)} handler The listener to remove
+   * @public
+   */
+  removeEventListener(s, e) {
+    for (const t of this.listeners(s))
+      if (t[pe] === e && !t[F]) {
+        this.removeListener(s, t);
+        break;
+      }
+  }
+};
+var ts = {
+  CloseEvent: Y,
+  ErrorEvent: le,
+  Event: B,
+  EventTarget: es,
+  MessageEvent: xe
+};
+function Z(s, e, t) {
+  typeof s == "object" && s.handleEvent ? s.handleEvent.call(s, t) : s.call(e, t);
+}
+const { tokenChars: j } = ae;
+function k(s, e, t) {
+  s[e] === void 0 ? s[e] = [t] : s[e].push(t);
+}
+function ss(s) {
+  const e = /* @__PURE__ */ Object.create(null);
+  let t = /* @__PURE__ */ Object.create(null), r = !1, i = !1, n = !1, o, l, f = -1, a = -1, c = -1, h = 0;
+  for (; h < s.length; h++)
+    if (a = s.charCodeAt(h), o === void 0)
+      if (c === -1 && j[a] === 1)
+        f === -1 && (f = h);
+      else if (h !== 0 && (a === 32 || a === 9))
+        c === -1 && f !== -1 && (c = h);
+      else if (a === 59 || a === 44) {
+        if (f === -1)
+          throw new SyntaxError(`Unexpected character at index ${h}`);
+        c === -1 && (c = h);
+        const v = s.slice(f, c);
+        a === 44 ? (k(e, v, t), t = /* @__PURE__ */ Object.create(null)) : o = v, f = c = -1;
+      } else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (l === void 0)
+      if (c === -1 && j[a] === 1)
+        f === -1 && (f = h);
+      else if (a === 32 || a === 9)
+        c === -1 && f !== -1 && (c = h);
+      else if (a === 59 || a === 44) {
+        if (f === -1)
+          throw new SyntaxError(`Unexpected character at index ${h}`);
+        c === -1 && (c = h), k(t, s.slice(f, c), !0), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), f = c = -1;
+      } else if (a === 61 && f !== -1 && c === -1)
+        l = s.slice(f, h), f = c = -1;
+      else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (i) {
+      if (j[a] !== 1)
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+      f === -1 ? f = h : r || (r = !0), i = !1;
+    } else if (n)
+      if (j[a] === 1)
+        f === -1 && (f = h);
+      else if (a === 34 && f !== -1)
+        n = !1, c = h;
+      else if (a === 92)
+        i = !0;
+      else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (a === 34 && s.charCodeAt(h - 1) === 61)
+      n = !0;
+    else if (c === -1 && j[a] === 1)
+      f === -1 && (f = h);
+    else if (f !== -1 && (a === 32 || a === 9))
+      c === -1 && (c = h);
+    else if (a === 59 || a === 44) {
+      if (f === -1)
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+      c === -1 && (c = h);
+      let v = s.slice(f, c);
+      r && (v = v.replace(/\\/g, ""), r = !1), k(t, l, v), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), l = void 0, f = c = -1;
+    } else
+      throw new SyntaxError(`Unexpected character at index ${h}`);
+  if (f === -1 || n || a === 32 || a === 9)
+    throw new SyntaxError("Unexpected end of input");
+  c === -1 && (c = h);
+  const p = s.slice(f, c);
+  return o === void 0 ? k(e, p, t) : (l === void 0 ? k(t, p, !0) : r ? k(t, l, p.replace(/\\/g, "")) : k(t, l, p), k(e, o, t)), e;
+}
+function rs(s) {
+  return Object.keys(s).map((e) => {
+    let t = s[e];
+    return Array.isArray(t) || (t = [t]), t.map((r) => [e].concat(
+      Object.keys(r).map((i) => {
+        let n = r[i];
+        return Array.isArray(n) || (n = [n]), n.map((o) => o === !0 ? i : `${i}=${o}`).join("; ");
+      })
+    ).join("; ")).join(", ");
+  }).join(", ");
+}
+var nt = { format: rs, parse: ss };
+const is = S, ns = S, os = S, ot = S, as = S, { randomBytes: ls, createHash: fs } = S, { URL: me } = S, T = oe, hs = rt, cs = it, {
+  BINARY_TYPES: ze,
+  EMPTY_BUFFER: Q,
+  GUID: us,
+  kForOnEventAttribute: ge,
+  kListener: ds,
+  kStatusCode: _s,
+  kWebSocket: y,
+  NOOP: at
+} = U, {
+  EventTarget: { addEventListener: ps, removeEventListener: ms }
+} = ts, { format: gs, parse: ys } = nt, { toBuffer: vs } = ne, Ss = 30 * 1e3, lt = Symbol("kAborted"), ye = [8, 13], O = ["CONNECTING", "OPEN", "CLOSING", "CLOSED"], Es = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/;
+let m = class d extends is {
+  /**
+   * Create a new `WebSocket`.
+   *
+   * @param {(String|URL)} address The URL to which to connect
+   * @param {(String|String[])} [protocols] The subprotocols
+   * @param {Object} [options] Connection options
+   */
+  constructor(e, t, r) {
+    super(), this._binaryType = ze[0], this._closeCode = 1006, this._closeFrameReceived = !1, this._closeFrameSent = !1, this._closeMessage = Q, this._closeTimer = null, this._extensions = {}, this._paused = !1, this._protocol = "", this._readyState = d.CONNECTING, this._receiver = null, this._sender = null, this._socket = null, e !== null ? (this._bufferedAmount = 0, this._isServer = !1, this._redirects = 0, t === void 0 ? t = [] : Array.isArray(t) || (typeof t == "object" && t !== null ? (r = t, t = []) : t = [t]), ht(this, e, t, r)) : this._isServer = !0;
+  }
+  /**
+   * This deviates from the WHATWG interface since ws doesn't support the
+   * required default "blob" type (instead we define a custom "nodebuffer"
+   * type).
+   *
+   * @type {String}
+   */
+  get binaryType() {
+    return this._binaryType;
+  }
+  set binaryType(e) {
+    ze.includes(e) && (this._binaryType = e, this._receiver && (this._receiver._binaryType = e));
+  }
+  /**
+   * @type {Number}
+   */
+  get bufferedAmount() {
+    return this._socket ? this._socket._writableState.length + this._sender._bufferedBytes : this._bufferedAmount;
+  }
+  /**
+   * @type {String}
+   */
+  get extensions() {
+    return Object.keys(this._extensions).join();
+  }
+  /**
+   * @type {Boolean}
+   */
+  get isPaused() {
+    return this._paused;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onclose() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onerror() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onopen() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onmessage() {
+    return null;
+  }
+  /**
+   * @type {String}
+   */
+  get protocol() {
+    return this._protocol;
+  }
+  /**
+   * @type {Number}
+   */
+  get readyState() {
+    return this._readyState;
+  }
+  /**
+   * @type {String}
+   */
+  get url() {
+    return this._url;
+  }
+  /**
+   * Set up the socket and the internal resources.
+   *
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Object} options Options object
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Number} [options.maxPayload=0] The maximum allowed message size
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   * @private
+   */
+  setSocket(e, t, r) {
+    const i = new hs({
+      binaryType: this.binaryType,
+      extensions: this._extensions,
+      isServer: this._isServer,
+      maxPayload: r.maxPayload,
+      skipUTF8Validation: r.skipUTF8Validation
+    });
+    this._sender = new cs(e, this._extensions, r.generateMask), this._receiver = i, this._socket = e, i[y] = this, e[y] = this, i.on("conclude", ks), i.on("drain", ws), i.on("error", Os), i.on("message", Cs), i.on("ping", Ts), i.on("pong", Ls), e.setTimeout(0), e.setNoDelay(), t.length > 0 && e.unshift(t), e.on("close", ut), e.on("data", fe), e.on("end", dt), e.on("error", _t), this._readyState = d.OPEN, this.emit("open");
+  }
+  /**
+   * Emit the `'close'` event.
+   *
+   * @private
+   */
+  emitClose() {
+    if (!this._socket) {
+      this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
+      return;
+    }
+    this._extensions[T.extensionName] && this._extensions[T.extensionName].cleanup(), this._receiver.removeAllListeners(), this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
+  }
+  /**
+   * Start a closing handshake.
+   *
+   *          +----------+   +-----------+   +----------+
+   *     - - -|ws.close()|-->|close frame|-->|ws.close()|- - -
+   *    |     +----------+   +-----------+   +----------+     |
+   *          +----------+   +-----------+         |
+   * CLOSING  |ws.close()|<--|close frame|<--+-----+       CLOSING
+   *          +----------+   +-----------+   |
+   *    |           |                        |   +---+        |
+   *                +------------------------+-->|fin| - - - -
+   *    |         +---+                      |   +---+
+   *     - - - - -|fin|<---------------------+
+   *              +---+
+   *
+   * @param {Number} [code] Status code explaining why the connection is closing
+   * @param {(String|Buffer)} [data] The reason why the connection is
+   *     closing
+   * @public
+   */
+  close(e, t) {
+    if (this.readyState !== d.CLOSED) {
+      if (this.readyState === d.CONNECTING) {
+        const r = "WebSocket was closed before the connection was established";
+        b(this, this._req, r);
+        return;
+      }
+      if (this.readyState === d.CLOSING) {
+        this._closeFrameSent && (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end();
+        return;
+      }
+      this._readyState = d.CLOSING, this._sender.close(e, t, !this._isServer, (r) => {
+        r || (this._closeFrameSent = !0, (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end());
+      }), this._closeTimer = setTimeout(
+        this._socket.destroy.bind(this._socket),
+        Ss
+      );
+    }
+  }
+  /**
+   * Pause the socket.
+   *
+   * @public
+   */
+  pause() {
+    this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !0, this._socket.pause());
+  }
+  /**
+   * Send a ping.
+   *
+   * @param {*} [data] The data to send
+   * @param {Boolean} [mask] Indicates whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when the ping is sent
+   * @public
+   */
+  ping(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    t === void 0 && (t = !this._isServer), this._sender.ping(e || Q, t, r);
+  }
+  /**
+   * Send a pong.
+   *
+   * @param {*} [data] The data to send
+   * @param {Boolean} [mask] Indicates whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when the pong is sent
+   * @public
+   */
+  pong(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    t === void 0 && (t = !this._isServer), this._sender.pong(e || Q, t, r);
+  }
+  /**
+   * Resume the socket.
+   *
+   * @public
+   */
+  resume() {
+    this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !1, this._receiver._writableState.needDrain || this._socket.resume());
+  }
+  /**
+   * Send a data message.
+   *
+   * @param {*} data The message to send
+   * @param {Object} [options] Options object
+   * @param {Boolean} [options.binary] Specifies whether `data` is binary or
+   *     text
+   * @param {Boolean} [options.compress] Specifies whether or not to compress
+   *     `data`
+   * @param {Boolean} [options.fin=true] Specifies whether the fragment is the
+   *     last one
+   * @param {Boolean} [options.mask] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when data is written out
+   * @public
+   */
+  send(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof t == "function" && (r = t, t = {}), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    const i = {
+      binary: typeof e != "string",
+      mask: !this._isServer,
+      compress: !0,
+      fin: !0,
+      ...t
+    };
+    this._extensions[T.extensionName] || (i.compress = !1), this._sender.send(e || Q, i, r);
+  }
+  /**
+   * Forcibly close the connection.
+   *
+   * @public
+   */
+  terminate() {
+    if (this.readyState !== d.CLOSED) {
+      if (this.readyState === d.CONNECTING) {
+        const e = "WebSocket was closed before the connection was established";
+        b(this, this._req, e);
+        return;
+      }
+      this._socket && (this._readyState = d.CLOSING, this._socket.destroy());
+    }
+  }
+};
+Object.defineProperty(m, "CONNECTING", {
+  enumerable: !0,
+  value: O.indexOf("CONNECTING")
+});
+Object.defineProperty(m.prototype, "CONNECTING", {
+  enumerable: !0,
+  value: O.indexOf("CONNECTING")
+});
+Object.defineProperty(m, "OPEN", {
+  enumerable: !0,
+  value: O.indexOf("OPEN")
+});
+Object.defineProperty(m.prototype, "OPEN", {
+  enumerable: !0,
+  value: O.indexOf("OPEN")
+});
+Object.defineProperty(m, "CLOSING", {
+  enumerable: !0,
+  value: O.indexOf("CLOSING")
+});
+Object.defineProperty(m.prototype, "CLOSING", {
+  enumerable: !0,
+  value: O.indexOf("CLOSING")
+});
+Object.defineProperty(m, "CLOSED", {
+  enumerable: !0,
+  value: O.indexOf("CLOSED")
+});
+Object.defineProperty(m.prototype, "CLOSED", {
+  enumerable: !0,
+  value: O.indexOf("CLOSED")
+});
+[
+  "binaryType",
+  "bufferedAmount",
+  "extensions",
+  "isPaused",
+  "protocol",
+  "readyState",
+  "url"
+].forEach((s) => {
+  Object.defineProperty(m.prototype, s, { enumerable: !0 });
+});
+["open", "error", "close", "message"].forEach((s) => {
+  Object.defineProperty(m.prototype, `on${s}`, {
+    enumerable: !0,
+    get() {
+      for (const e of this.listeners(s))
+        if (e[ge])
+          return e[ds];
+      return null;
+    },
+    set(e) {
+      for (const t of this.listeners(s))
+        if (t[ge]) {
+          this.removeListener(s, t);
+          break;
+        }
+      typeof e == "function" && this.addEventListener(s, e, {
+        [ge]: !0
+      });
+    }
+  });
+});
+m.prototype.addEventListener = ps;
+m.prototype.removeEventListener = ms;
+var ft = m;
+function ht(s, e, t, r) {
+  const i = {
+    protocolVersion: ye[1],
+    maxPayload: 104857600,
+    skipUTF8Validation: !1,
+    perMessageDeflate: !0,
+    followRedirects: !1,
+    maxRedirects: 10,
+    ...r,
+    createConnection: void 0,
+    socketPath: void 0,
+    hostname: void 0,
+    protocol: void 0,
+    timeout: void 0,
+    method: "GET",
+    host: void 0,
+    path: void 0,
+    port: void 0
+  };
+  if (!ye.includes(i.protocolVersion))
+    throw new RangeError(
+      `Unsupported protocol version: ${i.protocolVersion} (supported versions: ${ye.join(", ")})`
+    );
+  let n;
+  if (e instanceof me)
+    n = e, s._url = e.href;
+  else {
+    try {
+      n = new me(e);
+    } catch {
+      throw new SyntaxError(`Invalid URL: ${e}`);
+    }
+    s._url = e;
+  }
+  const o = n.protocol === "wss:", l = n.protocol === "ws+unix:";
+  let f;
+  if (n.protocol !== "ws:" && !o && !l ? f = `The URL's protocol must be one of "ws:", "wss:", or "ws+unix:"` : l && !n.pathname ? f = "The URL's pathname is empty" : n.hash && (f = "The URL contains a fragment identifier"), f) {
+    const u = new SyntaxError(f);
+    if (s._redirects === 0)
+      throw u;
+    ee(s, u);
+    return;
+  }
+  const a = o ? 443 : 80, c = ls(16).toString("base64"), h = o ? ns.request : os.request, p = /* @__PURE__ */ new Set();
+  let v;
+  if (i.createConnection = o ? xs : bs, i.defaultPort = i.defaultPort || a, i.port = n.port || a, i.host = n.hostname.startsWith("[") ? n.hostname.slice(1, -1) : n.hostname, i.headers = {
+    ...i.headers,
+    "Sec-WebSocket-Version": i.protocolVersion,
+    "Sec-WebSocket-Key": c,
+    Connection: "Upgrade",
+    Upgrade: "websocket"
+  }, i.path = n.pathname + n.search, i.timeout = i.handshakeTimeout, i.perMessageDeflate && (v = new T(
+    i.perMessageDeflate !== !0 ? i.perMessageDeflate : {},
+    !1,
+    i.maxPayload
+  ), i.headers["Sec-WebSocket-Extensions"] = gs({
+    [T.extensionName]: v.offer()
+  })), t.length) {
+    for (const u of t) {
+      if (typeof u != "string" || !Es.test(u) || p.has(u))
+        throw new SyntaxError(
+          "An invalid or duplicated subprotocol was specified"
+        );
+      p.add(u);
+    }
+    i.headers["Sec-WebSocket-Protocol"] = t.join(",");
+  }
+  if (i.origin && (i.protocolVersion < 13 ? i.headers["Sec-WebSocket-Origin"] = i.origin : i.headers.Origin = i.origin), (n.username || n.password) && (i.auth = `${n.username}:${n.password}`), l) {
+    const u = i.path.split(":");
+    i.socketPath = u[0], i.path = u[1];
+  }
+  let _;
+  if (i.followRedirects) {
+    if (s._redirects === 0) {
+      s._originalIpc = l, s._originalSecure = o, s._originalHostOrSocketPath = l ? i.socketPath : n.host;
+      const u = r && r.headers;
+      if (r = { ...r, headers: {} }, u)
+        for (const [E, $] of Object.entries(u))
+          r.headers[E.toLowerCase()] = $;
+    } else if (s.listenerCount("redirect") === 0) {
+      const u = l ? s._originalIpc ? i.socketPath === s._originalHostOrSocketPath : !1 : s._originalIpc ? !1 : n.host === s._originalHostOrSocketPath;
+      (!u || s._originalSecure && !o) && (delete i.headers.authorization, delete i.headers.cookie, u || delete i.headers.host, i.auth = void 0);
+    }
+    i.auth && !r.headers.authorization && (r.headers.authorization = "Basic " + Buffer.from(i.auth).toString("base64")), _ = s._req = h(i), s._redirects && s.emit("redirect", s.url, _);
+  } else
+    _ = s._req = h(i);
+  i.timeout && _.on("timeout", () => {
+    b(s, _, "Opening handshake has timed out");
+  }), _.on("error", (u) => {
+    _ === null || _[lt] || (_ = s._req = null, ee(s, u));
+  }), _.on("response", (u) => {
+    const E = u.headers.location, $ = u.statusCode;
+    if (E && i.followRedirects && $ >= 300 && $ < 400) {
+      if (++s._redirects > i.maxRedirects) {
+        b(s, _, "Maximum redirects exceeded");
+        return;
+      }
+      _.abort();
+      let q;
+      try {
+        q = new me(E, e);
+      } catch {
+        const L = new SyntaxError(`Invalid URL: ${E}`);
+        ee(s, L);
+        return;
+      }
+      ht(s, q, t, r);
+    } else
+      s.emit("unexpected-response", _, u) || b(
+        s,
+        _,
+        `Unexpected server response: ${u.statusCode}`
+      );
+  }), _.on("upgrade", (u, E, $) => {
+    if (s.emit("upgrade", u), s.readyState !== m.CONNECTING)
+      return;
+    if (_ = s._req = null, u.headers.upgrade.toLowerCase() !== "websocket") {
+      b(s, E, "Invalid Upgrade header");
+      return;
+    }
+    const q = fs("sha1").update(c + us).digest("base64");
+    if (u.headers["sec-websocket-accept"] !== q) {
+      b(s, E, "Invalid Sec-WebSocket-Accept header");
+      return;
+    }
+    const D = u.headers["sec-websocket-protocol"];
+    let L;
+    if (D !== void 0 ? p.size ? p.has(D) || (L = "Server sent an invalid subprotocol") : L = "Server sent a subprotocol but none was requested" : p.size && (L = "Server sent no subprotocol"), L) {
+      b(s, E, L);
+      return;
+    }
+    D && (s._protocol = D);
+    const ke = u.headers["sec-websocket-extensions"];
+    if (ke !== void 0) {
+      if (!v) {
+        b(s, E, "Server sent a Sec-WebSocket-Extensions header but no extension was requested");
+        return;
+      }
+      let he;
+      try {
+        he = ys(ke);
+      } catch {
+        b(s, E, "Invalid Sec-WebSocket-Extensions header");
+        return;
+      }
+      const we = Object.keys(he);
+      if (we.length !== 1 || we[0] !== T.extensionName) {
+        b(s, E, "Server indicated an extension that was not requested");
+        return;
+      }
+      try {
+        v.accept(he[T.extensionName]);
+      } catch {
+        b(s, E, "Invalid Sec-WebSocket-Extensions header");
+        return;
+      }
+      s._extensions[T.extensionName] = v;
+    }
+    s.setSocket(E, $, {
+      generateMask: i.generateMask,
+      maxPayload: i.maxPayload,
+      skipUTF8Validation: i.skipUTF8Validation
+    });
+  }), i.finishRequest ? i.finishRequest(_, s) : _.end();
+}
+function ee(s, e) {
+  s._readyState = m.CLOSING, s.emit("error", e), s.emitClose();
+}
+function bs(s) {
+  return s.path = s.socketPath, ot.connect(s);
+}
+function xs(s) {
+  return s.path = void 0, !s.servername && s.servername !== "" && (s.servername = ot.isIP(s.host) ? "" : s.host), as.connect(s);
+}
+function b(s, e, t) {
+  s._readyState = m.CLOSING;
+  const r = new Error(t);
+  Error.captureStackTrace(r, b), e.setHeader ? (e[lt] = !0, e.abort(), e.socket && !e.socket.destroyed && e.socket.destroy(), process.nextTick(ee, s, r)) : (e.destroy(r), e.once("error", s.emit.bind(s, "error")), e.once("close", s.emitClose.bind(s)));
+}
+function ve(s, e, t) {
+  if (e) {
+    const r = vs(e).length;
+    s._socket ? s._sender._bufferedBytes += r : s._bufferedAmount += r;
+  }
+  if (t) {
+    const r = new Error(
+      `WebSocket is not open: readyState ${s.readyState} (${O[s.readyState]})`
+    );
+    process.nextTick(t, r);
+  }
+}
+function ks(s, e) {
+  const t = this[y];
+  t._closeFrameReceived = !0, t._closeMessage = e, t._closeCode = s, t._socket[y] !== void 0 && (t._socket.removeListener("data", fe), process.nextTick(ct, t._socket), s === 1005 ? t.close() : t.close(s, e));
+}
+function ws() {
+  const s = this[y];
+  s.isPaused || s._socket.resume();
+}
+function Os(s) {
+  const e = this[y];
+  e._socket[y] !== void 0 && (e._socket.removeListener("data", fe), process.nextTick(ct, e._socket), e.close(s[_s])), e.emit("error", s);
+}
+function Ye() {
+  this[y].emitClose();
+}
+function Cs(s, e) {
+  this[y].emit("message", s, e);
+}
+function Ts(s) {
+  const e = this[y];
+  e.pong(s, !e._isServer, at), e.emit("ping", s);
+}
+function Ls(s) {
+  this[y].emit("pong", s);
+}
+function ct(s) {
+  s.resume();
+}
+function ut() {
+  const s = this[y];
+  this.removeListener("close", ut), this.removeListener("data", fe), this.removeListener("end", dt), s._readyState = m.CLOSING;
+  let e;
+  !this._readableState.endEmitted && !s._closeFrameReceived && !s._receiver._writableState.errorEmitted && (e = s._socket.read()) !== null && s._receiver.write(e), s._receiver.end(), this[y] = void 0, clearTimeout(s._closeTimer), s._receiver._writableState.finished || s._receiver._writableState.errorEmitted ? s.emitClose() : (s._receiver.on("error", Ye), s._receiver.on("finish", Ye));
+}
+function fe(s) {
+  this[y]._receiver.write(s) || this.pause();
+}
+function dt() {
+  const s = this[y];
+  s._readyState = m.CLOSING, s._receiver.end(), this.end();
+}
+function _t() {
+  const s = this[y];
+  this.removeListener("error", _t), this.on("error", at), s && (s._readyState = m.CLOSING, this.destroy());
+}
+const Xs = /* @__PURE__ */ z(ft), { tokenChars: Ns } = ae;
+function Ps(s) {
+  const e = /* @__PURE__ */ new Set();
+  let t = -1, r = -1, i = 0;
+  for (i; i < s.length; i++) {
+    const o = s.charCodeAt(i);
+    if (r === -1 && Ns[o] === 1)
+      t === -1 && (t = i);
+    else if (i !== 0 && (o === 32 || o === 9))
+      r === -1 && t !== -1 && (r = i);
+    else if (o === 44) {
+      if (t === -1)
+        throw new SyntaxError(`Unexpected character at index ${i}`);
+      r === -1 && (r = i);
+      const l = s.slice(t, r);
+      if (e.has(l))
+        throw new SyntaxError(`The "${l}" subprotocol is duplicated`);
+      e.add(l), t = r = -1;
+    } else
+      throw new SyntaxError(`Unexpected character at index ${i}`);
+  }
+  if (t === -1 || r !== -1)
+    throw new SyntaxError("Unexpected end of input");
+  const n = s.slice(t, i);
+  if (e.has(n))
+    throw new SyntaxError(`The "${n}" subprotocol is duplicated`);
+  return e.add(n), e;
+}
+var Rs = { parse: Ps };
+const Us = S, ie = S, { createHash: Bs } = S, qe = nt, N = oe, $s = Rs, Ms = ft, { GUID: Is, kWebSocket: Ds } = U, Ws = /^[+/0-9A-Za-z]{22}==$/, Ke = 0, Xe = 1, pt = 2;
+class As extends Us {
+  /**
+   * Create a `WebSocketServer` instance.
+   *
+   * @param {Object} options Configuration options
+   * @param {Number} [options.backlog=511] The maximum length of the queue of
+   *     pending connections
+   * @param {Boolean} [options.clientTracking=true] Specifies whether or not to
+   *     track clients
+   * @param {Function} [options.handleProtocols] A hook to handle protocols
+   * @param {String} [options.host] The hostname where to bind the server
+   * @param {Number} [options.maxPayload=104857600] The maximum allowed message
+   *     size
+   * @param {Boolean} [options.noServer=false] Enable no server mode
+   * @param {String} [options.path] Accept only connections matching this path
+   * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable
+   *     permessage-deflate
+   * @param {Number} [options.port] The port where to bind the server
+   * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S
+   *     server to use
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   * @param {Function} [options.verifyClient] A hook to reject connections
+   * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket`
+   *     class to use. It must be the `WebSocket` class or class that extends it
+   * @param {Function} [callback] A listener for the `listening` event
+   */
+  constructor(e, t) {
+    if (super(), e = {
+      maxPayload: 100 * 1024 * 1024,
+      skipUTF8Validation: !1,
+      perMessageDeflate: !1,
+      handleProtocols: null,
+      clientTracking: !0,
+      verifyClient: null,
+      noServer: !1,
+      backlog: null,
+      // use default (511 as implemented in net.js)
+      server: null,
+      host: null,
+      path: null,
+      port: null,
+      WebSocket: Ms,
+      ...e
+    }, e.port == null && !e.server && !e.noServer || e.port != null && (e.server || e.noServer) || e.server && e.noServer)
+      throw new TypeError(
+        'One and only one of the "port", "server", or "noServer" options must be specified'
+      );
+    if (e.port != null ? (this._server = ie.createServer((r, i) => {
+      const n = ie.STATUS_CODES[426];
+      i.writeHead(426, {
+        "Content-Length": n.length,
+        "Content-Type": "text/plain"
+      }), i.end(n);
+    }), this._server.listen(
+      e.port,
+      e.host,
+      e.backlog,
+      t
+    )) : e.server && (this._server = e.server), this._server) {
+      const r = this.emit.bind(this, "connection");
+      this._removeListeners = js(this._server, {
+        listening: this.emit.bind(this, "listening"),
+        error: this.emit.bind(this, "error"),
+        upgrade: (i, n, o) => {
+          this.handleUpgrade(i, n, o, r);
+        }
+      });
+    }
+    e.perMessageDeflate === !0 && (e.perMessageDeflate = {}), e.clientTracking && (this.clients = /* @__PURE__ */ new Set(), this._shouldEmitClose = !1), this.options = e, this._state = Ke;
+  }
+  /**
+   * Returns the bound address, the address family name, and port of the server
+   * as reported by the operating system if listening on an IP socket.
+   * If the server is listening on a pipe or UNIX domain socket, the name is
+   * returned as a string.
+   *
+   * @return {(Object|String|null)} The address of the server
+   * @public
+   */
+  address() {
+    if (this.options.noServer)
+      throw new Error('The server is operating in "noServer" mode');
+    return this._server ? this._server.address() : null;
+  }
+  /**
+   * Stop the server from accepting new connections and emit the `'close'` event
+   * when all existing connections are closed.
+   *
+   * @param {Function} [cb] A one-time listener for the `'close'` event
+   * @public
+   */
+  close(e) {
+    if (this._state === pt) {
+      e && this.once("close", () => {
+        e(new Error("The server is not running"));
+      }), process.nextTick(G, this);
+      return;
+    }
+    if (e && this.once("close", e), this._state !== Xe)
+      if (this._state = Xe, this.options.noServer || this.options.server)
+        this._server && (this._removeListeners(), this._removeListeners = this._server = null), this.clients ? this.clients.size ? this._shouldEmitClose = !0 : process.nextTick(G, this) : process.nextTick(G, this);
+      else {
+        const t = this._server;
+        this._removeListeners(), this._removeListeners = this._server = null, t.close(() => {
+          G(this);
+        });
+      }
+  }
+  /**
+   * See if a given request should be handled by this server instance.
+   *
+   * @param {http.IncomingMessage} req Request object to inspect
+   * @return {Boolean} `true` if the request is valid, else `false`
+   * @public
+   */
+  shouldHandle(e) {
+    if (this.options.path) {
+      const t = e.url.indexOf("?");
+      if ((t !== -1 ? e.url.slice(0, t) : e.url) !== this.options.path)
+        return !1;
+    }
+    return !0;
+  }
+  /**
+   * Handle a HTTP Upgrade request.
+   *
+   * @param {http.IncomingMessage} req The request object
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Function} cb Callback
+   * @public
+   */
+  handleUpgrade(e, t, r, i) {
+    t.on("error", Ze);
+    const n = e.headers["sec-websocket-key"], o = +e.headers["sec-websocket-version"];
+    if (e.method !== "GET") {
+      R(this, e, t, 405, "Invalid HTTP method");
+      return;
+    }
+    if (e.headers.upgrade.toLowerCase() !== "websocket") {
+      R(this, e, t, 400, "Invalid Upgrade header");
+      return;
+    }
+    if (!n || !Ws.test(n)) {
+      R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Key header");
+      return;
+    }
+    if (o !== 8 && o !== 13) {
+      R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Version header");
+      return;
+    }
+    if (!this.shouldHandle(e)) {
+      H(t, 400);
+      return;
+    }
+    const l = e.headers["sec-websocket-protocol"];
+    let f = /* @__PURE__ */ new Set();
+    if (l !== void 0)
+      try {
+        f = $s.parse(l);
+      } catch {
+        R(this, e, t, 400, "Invalid Sec-WebSocket-Protocol header");
+        return;
+      }
+    const a = e.headers["sec-websocket-extensions"], c = {};
+    if (this.options.perMessageDeflate && a !== void 0) {
+      const h = new N(
+        this.options.perMessageDeflate,
+        !0,
+        this.options.maxPayload
+      );
+      try {
+        const p = qe.parse(a);
+        p[N.extensionName] && (h.accept(p[N.extensionName]), c[N.extensionName] = h);
+      } catch {
+        R(this, e, t, 400, "Invalid or unacceptable Sec-WebSocket-Extensions header");
+        return;
+      }
+    }
+    if (this.options.verifyClient) {
+      const h = {
+        origin: e.headers[`${o === 8 ? "sec-websocket-origin" : "origin"}`],
+        secure: !!(e.socket.authorized || e.socket.encrypted),
+        req: e
+      };
+      if (this.options.verifyClient.length === 2) {
+        this.options.verifyClient(h, (p, v, _, u) => {
+          if (!p)
+            return H(t, v || 401, _, u);
+          this.completeUpgrade(
+            c,
+            n,
+            f,
+            e,
+            t,
+            r,
+            i
+          );
+        });
+        return;
+      }
+      if (!this.options.verifyClient(h))
+        return H(t, 401);
+    }
+    this.completeUpgrade(c, n, f, e, t, r, i);
+  }
+  /**
+   * Upgrade the connection to WebSocket.
+   *
+   * @param {Object} extensions The accepted extensions
+   * @param {String} key The value of the `Sec-WebSocket-Key` header
+   * @param {Set} protocols The subprotocols
+   * @param {http.IncomingMessage} req The request object
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Function} cb Callback
+   * @throws {Error} If called more than once with the same socket
+   * @private
+   */
+  completeUpgrade(e, t, r, i, n, o, l) {
+    if (!n.readable || !n.writable)
+      return n.destroy();
+    if (n[Ds])
+      throw new Error(
+        "server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration"
+      );
+    if (this._state > Ke)
+      return H(n, 503);
+    const a = [
+      "HTTP/1.1 101 Switching Protocols",
+      "Upgrade: websocket",
+      "Connection: Upgrade",
+      `Sec-WebSocket-Accept: ${Bs("sha1").update(t + Is).digest("base64")}`
+    ], c = new this.options.WebSocket(null);
+    if (r.size) {
+      const h = this.options.handleProtocols ? this.options.handleProtocols(r, i) : r.values().next().value;
+      h && (a.push(`Sec-WebSocket-Protocol: ${h}`), c._protocol = h);
+    }
+    if (e[N.extensionName]) {
+      const h = e[N.extensionName].params, p = qe.format({
+        [N.extensionName]: [h]
+      });
+      a.push(`Sec-WebSocket-Extensions: ${p}`), c._extensions = e;
+    }
+    this.emit("headers", a, i), n.write(a.concat(`\r
+`).join(`\r
+`)), n.removeListener("error", Ze), c.setSocket(n, o, {
+      maxPayload: this.options.maxPayload,
+      skipUTF8Validation: this.options.skipUTF8Validation
+    }), this.clients && (this.clients.add(c), c.on("close", () => {
+      this.clients.delete(c), this._shouldEmitClose && !this.clients.size && process.nextTick(G, this);
+    })), l(c, i);
+  }
+}
+var Fs = As;
+function js(s, e) {
+  for (const t of Object.keys(e))
+    s.on(t, e[t]);
+  return function() {
+    for (const r of Object.keys(e))
+      s.removeListener(r, e[r]);
+  };
+}
+function G(s) {
+  s._state = pt, s.emit("close");
+}
+function Ze() {
+  this.destroy();
+}
+function H(s, e, t, r) {
+  t = t || ie.STATUS_CODES[e], r = {
+    Connection: "close",
+    "Content-Type": "text/html",
+    "Content-Length": Buffer.byteLength(t),
+    ...r
+  }, s.once("finish", s.destroy), s.end(
+    `HTTP/1.1 ${e} ${ie.STATUS_CODES[e]}\r
+` + Object.keys(r).map((i) => `${i}: ${r[i]}`).join(`\r
+`) + `\r
+\r
+` + t
+  );
+}
+function R(s, e, t, r, i) {
+  if (s.listenerCount("wsClientError")) {
+    const n = new Error(i);
+    Error.captureStackTrace(n, R), s.emit("wsClientError", n, t, e);
+  } else
+    H(t, r, i);
+}
+const Zs = /* @__PURE__ */ z(Fs);
+export {
+  qs as Receiver,
+  Ks as Sender,
+  Xs as WebSocket,
+  Zs as WebSocketServer,
+  Vs as createWebSocketStream,
+  Xs as default
+};

src/backend/gradio_imagefeed/templates/example/index.js

@@ -0,0 +1,217 @@
+const { setContext: D, getContext: g } = window.__gradio__svelte__internal, h = "WORKER_PROXY_CONTEXT_KEY";
+function w() {
+  return g(h);
+}
+function y(n) {
+  return n.host === window.location.host || n.host === "localhost:7860" || n.host === "127.0.0.1:7860" || // Ref: https://github.com/gradio-app/gradio/blob/v3.32.0/js/app/src/Index.svelte#L194
+  n.host === "lite.local";
+}
+function b(n, e) {
+  const r = e.toLowerCase();
+  for (const [s, l] of Object.entries(n))
+    if (s.toLowerCase() === r)
+      return l;
+}
+function p(n) {
+  if (n == null)
+    return !1;
+  const e = new URL(n);
+  return !(!y(e) || e.protocol !== "http:" && e.protocol !== "https:");
+}
+async function v(n) {
+  if (n == null || !p(n))
+    return n;
+  const e = w();
+  if (e == null)
+    return n;
+  const s = new URL(n).pathname;
+  return e.httpRequest({
+    method: "GET",
+    path: s,
+    headers: {},
+    query_string: ""
+  }).then((l) => {
+    if (l.status !== 200)
+      throw new Error(`Failed to get file ${s} from the Wasm worker.`);
+    const t = new Blob([l.body], {
+      type: b(l.headers, "content-type")
+    });
+    return URL.createObjectURL(t);
+  });
+}
+const {
+  SvelteComponent: R,
+  assign: c,
+  compute_rest_props: u,
+  detach: C,
+  element: E,
+  exclude_internal_props: O,
+  get_spread_update: q,
+  init: L,
+  insert: U,
+  noop: f,
+  safe_not_equal: k,
+  set_attributes: m,
+  src_url_equal: K
+} = window.__gradio__svelte__internal;
+function P(n) {
+  let e, r, s = [
+    {
+      src: r = /*resolved_src*/
+      n[0]
+    },
+    /*$$restProps*/
+    n[1]
+  ], l = {};
+  for (let t = 0; t < s.length; t += 1)
+    l = c(l, s[t]);
+  return {
+    c() {
+      e = E("img"), m(e, l);
+    },
+    m(t, o) {
+      U(t, e, o);
+    },
+    p(t, [o]) {
+      m(e, l = q(s, [
+        o & /*resolved_src*/
+        1 && !K(e.src, r = /*resolved_src*/
+        t[0]) && { src: r },
+        o & /*$$restProps*/
+        2 && /*$$restProps*/
+        t[1]
+      ]));
+    },
+    i: f,
+    o: f,
+    d(t) {
+      t && C(e);
+    }
+  };
+}
+function T(n, e, r) {
+  const s = ["src"];
+  let l = u(e, s), { src: t = void 0 } = e, o, a;
+  return n.$$set = (i) => {
+    e = c(c({}, e), O(i)), r(1, l = u(e, s)), "src" in i && r(2, t = i.src);
+  }, n.$$.update = () => {
+    if (n.$$.dirty & /*src, latest_src*/
+    12) {
+      r(0, o = t), r(3, a = t);
+      const i = t;
+      v(i).then((d) => {
+        a === i && r(0, o = d);
+      });
+    }
+  }, [o, l, t, a];
+}
+class W extends R {
+  constructor(e) {
+    super(), L(this, e, T, P, k, { src: 2 });
+  }
+}
+const {
+  SvelteComponent: X,
+  attr: Y,
+  create_component: S,
+  destroy_component: j,
+  detach: x,
+  element: N,
+  init: B,
+  insert: F,
+  mount_component: G,
+  safe_not_equal: H,
+  toggle_class: _,
+  transition_in: I,
+  transition_out: V
+} = window.__gradio__svelte__internal;
+function z(n) {
+  var l;
+  let e, r, s;
+  return r = new W({
+    props: {
+      src: (
+        /*samples_dir*/
+        n[1] + /*value*/
+        ((l = n[0]) == null ? void 0 : l.path)
+      ),
+      alt: ""
+    }
+  }), {
+    c() {
+      e = N("div"), S(r.$$.fragment), Y(e, "class", "container svelte-wo3k18"), _(
+        e,
+        "table",
+        /*type*/
+        n[2] === "table"
+      ), _(
+        e,
+        "gallery",
+        /*type*/
+        n[2] === "gallery"
+      ), _(
+        e,
+        "selected",
+        /*selected*/
+        n[3]
+      );
+    },
+    m(t, o) {
+      F(t, e, o), G(r, e, null), s = !0;
+    },
+    p(t, [o]) {
+      var i;
+      const a = {};
+      o & /*samples_dir, value*/
+      3 && (a.src = /*samples_dir*/
+      t[1] + /*value*/
+      ((i = t[0]) == null ? void 0 : i.path)), r.$set(a), (!s || o & /*type*/
+      4) && _(
+        e,
+        "table",
+        /*type*/
+        t[2] === "table"
+      ), (!s || o & /*type*/
+      4) && _(
+        e,
+        "gallery",
+        /*type*/
+        t[2] === "gallery"
+      ), (!s || o & /*selected*/
+      8) && _(
+        e,
+        "selected",
+        /*selected*/
+        t[3]
+      );
+    },
+    i(t) {
+      s || (I(r.$$.fragment, t), s = !0);
+    },
+    o(t) {
+      V(r.$$.fragment, t), s = !1;
+    },
+    d(t) {
+      t && x(e), j(r);
+    }
+  };
+}
+function A(n, e, r) {
+  let { value: s } = e, { samples_dir: l } = e, { type: t } = e, { selected: o = !1 } = e;
+  return n.$$set = (a) => {
+    "value" in a && r(0, s = a.value), "samples_dir" in a && r(1, l = a.samples_dir), "type" in a && r(2, t = a.type), "selected" in a && r(3, o = a.selected);
+  }, [s, l, t, o];
+}
+class J extends X {
+  constructor(e) {
+    super(), B(this, e, A, z, H, {
+      value: 0,
+      samples_dir: 1,
+      type: 2,
+      selected: 3
+    });
+  }
+}
+export {
+  J as default
+};

src/backend/gradio_imagefeed/templates/example/style.css

@@ -0,0 +1 @@
+.container.svelte-wo3k18 img{width:100%;height:100%}.container.selected.svelte-wo3k18{border-color:var(--border-color-accent)}.container.table.svelte-wo3k18{margin:0 auto;border:2px solid var(--border-color-primary);border-radius:var(--radius-lg);overflow:hidden;width:var(--size-20);height:var(--size-20);object-fit:cover}.container.gallery.svelte-wo3k18{height:var(--size-20);max-height:var(--size-20);object-fit:cover}

src/demo/app.py

@@ -0,0 +1,24 @@
+
+import gradio as gr
+from gradio_imagefeed import ImageFeed
+import time
+from PIL import Image, ImageFilter
+import os 
+
+image = Image.open(os.path.join(os.path.dirname(__file__), "butterfly.png"))
+blurred_images = [image.filter(ImageFilter.GaussianBlur(5-i)) for i in range(5)]
+
+def fake_unblur(steps=5):
+    for i in range(steps):
+        yield blurred_images[i]
+        time.sleep(1)
+    yield image
+
+with gr.Blocks() as demo: 
+    with gr.Row():
+        imagefeed = ImageFeed(label="Generated Images")
+    button = gr.Button("Start Generating")
+    button.click(fake_unblur, inputs=None, outputs=imagefeed)
+
+if __name__ == "__main__":
+    demo.launch()

src/demo/css.css

@@ -0,0 +1,157 @@
+html {
+	font-family: Inter;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+	-webkit-text-size-adjust: 100%;
+	background: #fff;
+	color: #323232;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-rendering: optimizeLegibility;
+}
+
+:root {
+	--space: 1;
+	--vspace: calc(var(--space) * 1rem);
+	--vspace-0: calc(3 * var(--space) * 1rem);
+	--vspace-1: calc(2 * var(--space) * 1rem);
+	--vspace-2: calc(1.5 * var(--space) * 1rem);
+	--vspace-3: calc(0.5 * var(--space) * 1rem);
+}
+
+.app {
+	max-width: 748px !important;
+}
+
+.prose p {
+	margin: var(--vspace) 0;
+	line-height: var(--vspace * 2);
+	font-size: 1rem;
+}
+
+code {
+	font-family: "Inconsolata", sans-serif;
+	font-size: 16px;
+}
+
+h1,
+h1 code {
+	font-weight: 400;
+	line-height: calc(2.5 / var(--space) * var(--vspace));
+}
+
+h1 code {
+	background: none;
+	border: none;
+	letter-spacing: 0.05em;
+	padding-bottom: 5px;
+	position: relative;
+	padding: 0;
+}
+
+h2 {
+	margin: var(--vspace-1) 0 var(--vspace-2) 0;
+	line-height: 1em;
+}
+
+h3,
+h3 code {
+	margin: var(--vspace-1) 0 var(--vspace-2) 0;
+	line-height: 1em;
+}
+
+h4,
+h5,
+h6 {
+	margin: var(--vspace-3) 0 var(--vspace-3) 0;
+	line-height: var(--vspace);
+}
+
+.bigtitle,
+h1,
+h1 code {
+	font-size: calc(8px * 4.5);
+	word-break: break-word;
+}
+
+.title,
+h2,
+h2 code {
+	font-size: calc(8px * 3.375);
+	font-weight: lighter;
+	word-break: break-word;
+	border: none;
+	background: none;
+}
+
+.subheading1,
+h3,
+h3 code {
+	font-size: calc(8px * 1.8);
+	font-weight: 600;
+	border: none;
+	background: none;
+	letter-spacing: 0.1em;
+	text-transform: uppercase;
+}
+
+h2 code {
+	padding: 0;
+	position: relative;
+	letter-spacing: 0.05em;
+}
+
+blockquote {
+	font-size: calc(8px * 1.1667);
+	font-style: italic;
+	line-height: calc(1.1667 * var(--vspace));
+	margin: var(--vspace-2) var(--vspace-2);
+}
+
+.subheading2,
+h4 {
+	font-size: calc(8px * 1.4292);
+	text-transform: uppercase;
+	font-weight: 600;
+}
+
+.subheading3,
+h5 {
+	font-size: calc(8px * 1.2917);
+	line-height: calc(1.2917 * var(--vspace));
+
+	font-weight: lighter;
+	text-transform: uppercase;
+	letter-spacing: 0.15em;
+}
+
+h6 {
+	font-size: calc(8px * 1.1667);
+	font-size: 1.1667em;
+	font-weight: normal;
+	font-style: italic;
+	font-family: "le-monde-livre-classic-byol", serif !important;
+	letter-spacing: 0px !important;
+}
+
+#start .md > *:first-child {
+	margin-top: 0;
+}
+
+h2 + h3 {
+	margin-top: 0;
+}
+
+.md hr {
+	border: none;
+	border-top: 1px solid var(--block-border-color);
+	margin: var(--vspace-2) 0 var(--vspace-2) 0;
+}
+.prose ul {
+	margin: var(--vspace-2) 0 var(--vspace-1) 0;
+}
+
+.gap {
+	gap: 0;
+}

src/demo/space.py

@@ -0,0 +1,141 @@
+
+import gradio as gr
+from app import demo as app
+import os
+
+_docs = {'ImageFeed': {'description': 'Creates an image component that can be used to upload images (as an input) or display images (as an output).', 'members': {'__init__': {'value': {'type': 'str | _Image.Image | np.ndarray | None', 'default': 'None', 'description': 'A PIL ImageFeed, numpy array, path or URL for the default value that ImageFeed component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.'}, 'height': {'type': 'int | str | None', 'default': 'None', 'description': 'The height of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.'}, 'width': {'type': 'int | str | None', 'default': 'None', 'description': 'The width of the displayed image, specified in pixels if a number is passed, or in CSS units if a string is passed.'}, 'image_mode': {'type': 'Literal[\n    "1",\n    "L",\n    "P",\n    "RGB",\n    "RGBA",\n    "CMYK",\n    "YCbCr",\n    "LAB",\n    "HSV",\n    "I",\n    "F",\n]', 'default': '"RGB"', 'description': '"RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.'}, 'sources': {'type': 'list[Literal["upload", "webcam", "clipboard"]] | None', 'default': 'None', 'description': 'List of sources for the image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "clipboard" allows users to paste an image from the clipboard. If None, defaults to ["upload", "webcam", "clipboard"] if streaming is False, otherwise defaults to ["webcam"].'}, 'type': {'type': 'Literal["numpy", "pil", "filepath"]', 'default': '"numpy"', 'description': 'The format the image is converted before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image. If the image is SVG, the `type` is ignored and the filepath of the SVG is returned.'}, 'label': {'type': 'str | None', 'default': 'None', 'description': 'The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.'}, 'every': {'type': 'float | None', 'default': 'None', 'description': "If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute."}, 'show_label': {'type': 'bool | None', 'default': 'None', 'description': 'if True, will display label.'}, 'show_download_button': {'type': 'bool', 'default': 'True', 'description': 'If True, will display button to download image.'}, 'container': {'type': 'bool', 'default': 'True', 'description': 'If True, will place the component in a container - providing some extra padding around the border.'}, 'scale': {'type': 'int | None', 'default': 'None', 'description': 'relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.'}, 'min_width': {'type': 'int', 'default': '160', 'description': 'minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.'}, 'interactive': {'type': 'bool | None', 'default': 'None', 'description': 'if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.'}, 'visible': {'type': 'bool', 'default': 'True', 'description': 'If False, component will be hidden.'}, 'streaming': {'type': 'bool', 'default': 'False', 'description': "If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'."}, 'elem_id': {'type': 'str | None', 'default': 'None', 'description': 'An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.'}, 'elem_classes': {'type': 'list[str] | str | None', 'default': 'None', 'description': 'An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.'}, 'render': {'type': 'bool', 'default': 'True', 'description': 'If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.'}, 'mirror_webcam': {'type': 'bool', 'default': 'True', 'description': 'If True webcam will be mirrored. Default is True.'}, 'show_share_button': {'type': 'bool | None', 'default': 'None', 'description': 'If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.'}}, 'postprocess': {'value': {'type': 'np.ndarray | _Image.Image | str | Path | None', 'description': None}}, 'preprocess': {'return': {'type': 'np.ndarray | _Image.Image | str | None', 'description': None}, 'value': None}}, 'events': {}}, '__meta__': {'additional_interfaces': {}, 'user_fn_refs': {'ImageFeed': []}}}
+    
+abs_path = os.path.join(os.path.dirname(__file__), "css.css")
+
+with gr.Blocks(
+    css=abs_path,
+    theme=gr.themes.Default(
+        font_mono=[
+            gr.themes.GoogleFont("Inconsolata"),
+            "monospace",
+        ],
+    ),
+) as demo:
+    gr.Markdown(
+"""
+# `gradio_imagefeed`
+
+<div style="display: flex; gap: 7px;">
+<img alt="Static Badge" src="https://img.shields.io/badge/version%20-%200.0.1%20-%20orange">  
+</div>
+
+A vertical feed of images which gets updated as a generater yields a new image.
+""", elem_classes=["md-custom"], header_links=True)
+    app.render()
+    gr.Markdown(
+"""
+## Installation
+
+```bash
+pip install gradio_imagefeed
+```
+
+## Usage
+
+```python
+
+import gradio as gr
+from gradio_imagefeed import ImageFeed
+import time
+from PIL import Image, ImageFilter
+import os 
+
+image = Image.open(os.path.join(os.path.dirname(__file__), "butterfly.png"))
+blurred_images = [image.filter(ImageFilter.GaussianBlur(5-i)) for i in range(5)]
+
+def fake_unblur(steps=5):
+    for i in range(steps):
+        yield blurred_images[i]
+        time.sleep(1)
+    yield image
+
+with gr.Blocks() as demo: 
+    with gr.Row():
+        imagefeed = ImageFeed(label="Generated Images")
+    button = gr.Button("Start Generating")
+    button.click(fake_unblur, inputs=None, outputs=imagefeed)
+
+if __name__ == "__main__":
+    demo.launch()
+
+```
+""", elem_classes=["md-custom"], header_links=True)
+
+
+    gr.Markdown("""
+## `ImageFeed`
+
+### Initialization
+""", elem_classes=["md-custom"], header_links=True)
+
+    gr.ParamViewer(value=_docs["ImageFeed"]["members"]["__init__"], linkify=[])
+
+
+
+
+    gr.Markdown("""
+
+### User function
+
+The impact on the users predict function varies depending on whether the component is used as an input or output for an event (or both).
+
+- When used as an Input, the component only impacts the input signature of the user function. 
+- When used as an output, the component only impacts the return signature of the user function. 
+
+The code snippet below is accurate in cases where the component is used as both an input and an output.
+
+
+
+ ```python
+def predict(
+    value: np.ndarray | _Image.Image | str | None
+) -> np.ndarray | _Image.Image | str | Path | None:
+    return value
+```
+""", elem_classes=["md-custom", "ImageFeed-user-fn"], header_links=True)
+
+
+
+
+    demo.load(None, js=r"""function() {
+    const refs = {};
+    const user_fn_refs = {
+          ImageFeed: [], };
+    requestAnimationFrame(() => {
+
+        Object.entries(user_fn_refs).forEach(([key, refs]) => {
+            if (refs.length > 0) {
+                const el = document.querySelector(`.${key}-user-fn`);
+                if (!el) return;
+                refs.forEach(ref => {
+                    el.innerHTML = el.innerHTML.replace(
+                        new RegExp("\\b"+ref+"\\b", "g"),
+                        `<a href="#h-${ref.toLowerCase()}">${ref}</a>`
+                    );
+                })
+            }
+        })
+        
+        Object.entries(refs).forEach(([key, refs]) => {
+            if (refs.length > 0) {
+                const el = document.querySelector(`.${key}`);
+                if (!el) return;
+                refs.forEach(ref => {
+                    el.innerHTML = el.innerHTML.replace(
+                        new RegExp("\\b"+ref+"\\b", "g"),
+                        `<a href="#h-${ref.toLowerCase()}">${ref}</a>`
+                    );
+                })
+            }
+        })
+    })
+}
+
+""")
+
+demo.launch()

src/frontend/Example.svelte

@@ -0,0 +1,45 @@
+<script lang="ts">
+	import Image from "./shared/Image.svelte";
+	import type { FileData } from "@gradio/client";
+
+	export let value: null | FileData;
+	export let samples_dir: string;
+	export let type: "gallery" | "table";
+	export let selected = false;
+</script>
+
+<div
+	class="container"
+	class:table={type === "table"}
+	class:gallery={type === "gallery"}
+	class:selected
+>
+	<Image src={samples_dir + value?.path} alt="" />
+</div>
+
+<style>
+	.container :global(img) {
+		width: 100%;
+		height: 100%;
+	}
+
+	.container.selected {
+		border-color: var(--border-color-accent);
+	}
+
+	.container.table {
+		margin: 0 auto;
+		border: 2px solid var(--border-color-primary);
+		border-radius: var(--radius-lg);
+		overflow: hidden;
+		width: var(--size-20);
+		height: var(--size-20);
+		object-fit: cover;
+	}
+
+	.container.gallery {
+		height: var(--size-20);
+		max-height: var(--size-20);
+		object-fit: cover;
+	}
+</style>

src/frontend/Index.svelte

@@ -0,0 +1,152 @@
+<svelte:options accessors={true} />
+
+<script context="module" lang="ts">
+	export { default as Webcam } from "./shared/Webcam.svelte";
+	export { default as BaseImageUploader } from "./shared/ImageUploader.svelte";
+	export { default as BaseStaticImage } from "./shared/ImagePreview.svelte";
+	export { default as BaseExample } from "./Example.svelte";
+	export { default as BaseImage } from "./shared/Image.svelte";
+</script>
+
+<script lang="ts">
+	import type { Gradio, SelectData } from "@gradio/utils";
+	import StaticImage from "./shared/ImagePreview.svelte";
+
+	import { Block, BlockLabel } from "@gradio/atoms";
+	import { StatusTracker } from "@gradio/statustracker";
+	import type { FileData } from "@gradio/client";
+	import type { LoadingStatus } from "@gradio/statustracker";
+	import { Image } from "@gradio/icons";
+	import { normalise_file } from "@gradio/client";
+
+	type sources = "upload" | "webcam" | "clipboard" | null;
+
+	export let elem_id = "";
+	export let elem_classes: string[] = [];
+	export let visible = true;
+	export let value: FileData | null = null;
+	$: _value = normalise_file(value, root, proxy_url);
+	export let label: string;
+	export let show_label: boolean;
+	export let show_download_button: boolean;
+	export let root: string;
+	export let proxy_url: null | string;
+
+	export let height = 600;
+	export let width: number | undefined;
+
+	export let _selectable = false;
+	export let container = true;
+	export let scale: number | null = null;
+	export let min_width: number | undefined = undefined;
+	export let loading_status: LoadingStatus;
+	export let show_share_button = false;
+	export let sources: ("clipboard" | "webcam" | "upload")[] = [
+		"upload",
+		"clipboard",
+		"webcam"
+	];
+	export let interactive: boolean;
+	export let streaming: boolean;
+	export let pending: boolean;
+	export let mirror_webcam: boolean;
+
+	export let gradio: Gradio<{
+		change: never;
+		error: string;
+		edit: never;
+		stream: never;
+		drag: never;
+		upload: never;
+		clear: never;
+		select: SelectData;
+		share: ShareData;
+	}>;
+
+	$: url = _value?.url;
+	$: url, gradio.dispatch("change");
+
+	let values: null | FileData[] = [];
+	$: if (_value) { values.unshift(_value) };
+	let dragging: boolean;
+</script>
+
+<Block 
+	{visible}
+	variant={"solid"}
+	border_mode={dragging ? "focus" : "base"}
+	padding={false}
+	{elem_id}
+	{elem_classes}
+	{height}
+	{width}
+	allow_overflow={false}
+	{container}
+	{scale}
+	{min_width}
+	>
+<div class="wrapper">
+	{#if show_label}
+	<BlockLabel
+		{show_label}
+		Icon={Image}
+		float={false}
+		label={label || "ImageFeed"}
+	/>
+{/if}
+
+{#each values as _value (_value)}
+
+<div class="image-component-wrapper">
+	<Block
+		{visible}
+		variant={"solid"}
+		border_mode={dragging ? "focus" : "base"}
+		padding={false}
+		{elem_id}
+		{elem_classes}
+		height={null}
+		{width}
+		allow_overflow={true}
+		{container}
+		{scale}
+		{min_width}
+	>
+		<StaticImage
+			on:select={({ detail }) => gradio.dispatch("select", detail)}
+			on:share={({ detail }) => gradio.dispatch("share", detail)}
+			on:error={({ detail }) => gradio.dispatch("error", detail)}
+			value={_value}
+			{label}
+			show_label={false}
+			{show_download_button}
+			selectable={_selectable}
+			{show_share_button}
+			i18n={gradio.i18n}
+		/>		
+	</Block>
+</div>
+
+
+{/each}
+</div>
+</Block>
+
+<style>
+	.wrapper {
+		overflow: auto;
+		display: flex;
+		position: relative;
+		flex-direction: column;
+		align-items: start;
+		width: 100%;
+		height: 100%;
+	}
+	.image-component-wrapper {
+		margin-top: 1rem !important;
+		margin-bottom: 1rem !important;
+		width: 96%;
+		margin-left: auto;
+		margin-right: auto;
+	}
+</style>

src/frontend/package-lock.json

@@ -0,0 +1,1051 @@
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+        "@gradio/client": "0.10.1",
+        "@gradio/icons": "0.3.2",
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+        "@gradio/upload": "0.7.0",
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+}

src/frontend/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "gradio_imagefeed",
+  "version": "0.7.1",
+  "description": "Gradio UI packages",
+  "type": "module",
+  "author": "",
+  "license": "ISC",
+  "private": false,
+  "dependencies": {
+    "@gradio/atoms": "0.5.0",
+    "@gradio/client": "0.10.1",
+    "@gradio/icons": "0.3.2",
+    "@gradio/statustracker": "0.4.4",
+    "@gradio/upload": "0.7.0",
+    "@gradio/utils": "0.2.1",
+    "@gradio/wasm": "0.5.1",
+    "cropperjs": "^1.5.12",
+    "lazy-brush": "^1.0.1",
+    "resize-observer-polyfill": "^1.5.1"
+  },
+  "main_changeset": true,
+  "main": "./Index.svelte",
+  "exports": {
+    ".": "./Index.svelte",
+    "./shared": "./shared/index.ts",
+    "./example": "./Example.svelte",
+    "./package.json": "./package.json"
+  }
+}

src/frontend/shared/ClearImage.svelte

@@ -0,0 +1,30 @@
+<script lang="ts">
+	import { createEventDispatcher } from "svelte";
+	import { IconButton } from "@gradio/atoms";
+	import { Clear } from "@gradio/icons";
+
+	const dispatch = createEventDispatcher();
+</script>
+
+<div>
+	<IconButton
+		Icon={Clear}
+		label="Remove Image"
+		on:click={(event) => {
+			dispatch("remove_image");
+			event.stopPropagation();
+		}}
+	/>
+</div>
+
+<style>
+	div {
+		display: flex;
+		position: absolute;
+		top: var(--size-2);
+		right: var(--size-2);
+		justify-content: flex-end;
+		gap: var(--spacing-sm);
+		z-index: var(--layer-5);
+	}
+</style>

src/frontend/shared/Image.svelte

@@ -0,0 +1,37 @@
+<script lang="ts">
+	import type { HTMLImgAttributes } from "svelte/elements";
+	interface Props extends HTMLImgAttributes {
+		"data-testid"?: string;
+	}
+	type $$Props = Props;
+
+	import { resolve_wasm_src } from "@gradio/wasm/svelte";
+
+	export let src: HTMLImgAttributes["src"] = undefined;
+
+	let resolved_src: typeof src;
+
+	// The `src` prop can be updated before the Promise from `resolve_wasm_src` is resolved.
+	// In such a case, the resolved value for the old `src` has to be discarded,
+	// This variable `latest_src` is used to pick up only the value resolved for the latest `src` prop.
+	let latest_src: typeof src;
+	$: {
+		// In normal (non-Wasm) Gradio, the `<img>` element should be rendered with the passed `src` props immediately
+		// without waiting for `resolve_wasm_src()` to resolve.
+		// If it waits, a blank image is displayed until the async task finishes
+		// and it leads to undesirable flickering.
+		// So set `src` to `resolved_src` here.
+		resolved_src = src;
+
+		latest_src = src;
+		const resolving_src = src;
+		resolve_wasm_src(resolving_src).then((s) => {
+			if (latest_src === resolving_src) {
+				resolved_src = s;
+			}
+		});
+	}
+</script>
+
+<!-- svelte-ignore a11y-missing-attribute -->
+<img src={resolved_src} {...$$restProps} />

src/frontend/shared/ImagePreview.svelte

@@ -0,0 +1,92 @@
+<script lang="ts">
+	import { createEventDispatcher } from "svelte";
+	import type { SelectData } from "@gradio/utils";
+	import { uploadToHuggingFace } from "@gradio/utils";
+	import { BlockLabel, Empty, IconButton, ShareButton } from "@gradio/atoms";
+	import { Download } from "@gradio/icons";
+	import { get_coordinates_of_clicked_image } from "./utils";
+	import Image from "./Image.svelte";
+	import { DownloadLink } from "@gradio/wasm/svelte";
+
+	import { Image as ImageIcon } from "@gradio/icons";
+	import { type FileData, normalise_file } from "@gradio/client";
+	import type { I18nFormatter } from "@gradio/utils";
+
+	export let value: null | FileData;
+	export let label: string | undefined = undefined;
+	export let show_label: boolean;
+	export let show_download_button = true;
+	export let selectable = false;
+	export let show_share_button = false;
+	export let i18n: I18nFormatter;
+
+	const dispatch = createEventDispatcher<{
+		change: string;
+		select: SelectData;
+	}>();
+
+	const handle_click = (evt: MouseEvent): void => {
+		let coordinates = get_coordinates_of_clicked_image(evt);
+		if (coordinates) {
+			dispatch("select", { index: coordinates, value: null });
+		}
+	};
+</script>
+
+<BlockLabel
+	{show_label}
+	Icon={ImageIcon}
+	label={label || i18n("image.image")}
+/>
+{#if value === null || !value.url}
+	<Empty unpadded_box={true} size="large"><ImageIcon /></Empty>
+{:else}
+	<div class="icon-buttons">
+		{#if show_download_button}
+			<DownloadLink href={value.url} download={value.orig_name || "image"}>
+				<IconButton Icon={Download} label={i18n("common.download")} />
+			</DownloadLink>
+		{/if}
+		{#if show_share_button}
+			<ShareButton
+				{i18n}
+				on:share
+				on:error
+				formatter={async (value) => {
+					if (!value) return "";
+					let url = await uploadToHuggingFace(value, "base64");
+					return `<img src="${url}" />`;
+				}}
+				{value}
+			/>
+		{/if}
+	</div>
+	<button on:click={handle_click}>
+		<div class:selectable class="image-container">
+			<Image src={value.url} alt="" loading="lazy" />
+		</div>
+	</button>
+{/if}
+
+<style>
+	.image-container :global(img),
+	button {
+		width: var(--size-full);
+		height: var(--size-full);
+		object-fit: contain;
+		display: block;
+		border-radius: var(--radius-lg);
+	}
+
+	.selectable {
+		cursor: crosshair;
+	}
+
+	.icon-buttons {
+		display: flex;
+		position: absolute;
+		top: 6px;
+		right: 6px;
+		gap: var(--size-1);
+	}
+</style>

src/frontend/shared/ImageUploader.svelte

@@ -0,0 +1,188 @@
+<script lang="ts">
+	import { createEventDispatcher, tick } from "svelte";
+	import { BlockLabel } from "@gradio/atoms";
+	import { Image as ImageIcon } from "@gradio/icons";
+	import type { SelectData, I18nFormatter } from "@gradio/utils";
+	import { get_coordinates_of_clicked_image } from "./utils";
+	import Webcam from "./Webcam.svelte";
+
+	import { Upload } from "@gradio/upload";
+	import { type FileData, normalise_file } from "@gradio/client";
+	import ClearImage from "./ClearImage.svelte";
+	import { SelectSource } from "@gradio/atoms";
+	import Image from "./Image.svelte";
+
+	export let value: null | FileData;
+	export let label: string | undefined = undefined;
+	export let show_label: boolean;
+
+	type source_type = "upload" | "webcam" | "clipboard" | "microphone" | null;
+
+	export let sources: source_type[] = ["upload", "clipboard", "webcam"];
+	export let streaming = false;
+	export let pending = false;
+	export let mirror_webcam: boolean;
+	export let selectable = false;
+	export let root: string;
+	export let i18n: I18nFormatter;
+
+	let upload: Upload;
+	let uploading = false;
+	export let active_source: source_type = null;
+
+	function handle_upload({ detail }: CustomEvent<FileData>): void {
+		value = normalise_file(detail, root, null);
+		dispatch("upload");
+	}
+
+	function handle_clear(): void {
+		value = null;
+		dispatch("clear");
+		dispatch("change", null);
+	}
+
+	async function handle_save(img_blob: Blob | any): Promise<void> {
+		pending = true;
+		const f = await upload.load_files([new File([img_blob], `webcam.png`)]);
+
+		value = f?.[0] || null;
+
+		await tick();
+
+		dispatch(streaming ? "stream" : "change");
+		pending = false;
+	}
+
+	$: active_streaming = streaming && active_source === "webcam";
+	$: if (uploading && !active_streaming) value = null;
+
+	$: value && !value.url && (value = normalise_file(value, root, null));
+
+	const dispatch = createEventDispatcher<{
+		change?: never;
+		stream?: never;
+		clear?: never;
+		drag: boolean;
+		upload?: never;
+		select: SelectData;
+	}>();
+
+	let dragging = false;
+
+	$: dispatch("drag", dragging);
+
+	function handle_click(evt: MouseEvent): void {
+		let coordinates = get_coordinates_of_clicked_image(evt);
+		if (coordinates) {
+			dispatch("select", { index: coordinates, value: null });
+		}
+	}
+
+	$: if (!active_source && sources) {
+		active_source = sources[0];
+	}
+
+	async function handle_select_source(
+		source: (typeof sources)[number]
+	): Promise<void> {
+		switch (source) {
+			case "clipboard":
+				upload.paste_clipboard();
+				break;
+			default:
+				break;
+		}
+	}
+</script>
+
+<BlockLabel {show_label} Icon={ImageIcon} label={label || "Image"} />
+
+<div data-testid="image" class="image-container">
+	{#if value?.url && !active_streaming}
+		<ClearImage
+			on:remove_image={() => {
+				value = null;
+				dispatch("clear");
+			}}
+		/>
+	{/if}
+	<div class="upload-container">
+		<Upload
+			hidden={value !== null || active_source === "webcam"}
+			bind:this={upload}
+			bind:uploading
+			bind:dragging
+			filetype={active_source === "clipboard" ? "clipboard" : "image/*"}
+			on:load={handle_upload}
+			on:error
+			{root}
+			disable_click={!sources.includes("upload")}
+		>
+			{#if value === null}
+				<slot />
+			{/if}
+		</Upload>
+		{#if active_source === "webcam" && (streaming || (!streaming && !value))}
+			<Webcam
+				{root}
+				on:capture={(e) => handle_save(e.detail)}
+				on:stream={(e) => handle_save(e.detail)}
+				on:error
+				on:drag
+				on:upload={(e) => handle_save(e.detail)}
+				{mirror_webcam}
+				{streaming}
+				mode="image"
+				include_audio={false}
+				{i18n}
+			/>
+		{:else if value !== null && !streaming}
+			<!-- svelte-ignore a11y-click-events-have-key-events-->
+			<!-- svelte-ignore a11y-no-static-element-interactions-->
+			<div class:selectable class="image-frame" on:click={handle_click}>
+				<Image src={value.url} alt={value.alt_text} />
+			</div>
+		{/if}
+	</div>
+	{#if sources.length > 1 || sources.includes("clipboard")}
+		<SelectSource
+			{sources}
+			bind:active_source
+			{handle_clear}
+			handle_select={handle_select_source}
+		/>
+	{/if}
+</div>
+
+<style>
+	.image-frame :global(img) {
+		width: var(--size-full);
+		height: var(--size-full);
+		object-fit: cover;
+	}
+
+	.image-frame {
+		object-fit: cover;
+		width: 100%;
+		height: 100%;
+	}
+
+	.upload-container {
+		height: 100%;
+		flex-shrink: 1;
+		max-height: 100%;
+	}
+
+	.image-container {
+		display: flex;
+		height: 100%;
+		flex-direction: column;
+		justify-content: center;
+		align-items: center;
+		max-height: 100%;
+	}
+
+	.selectable {
+		cursor: crosshair;
+	}
+</style>

src/frontend/shared/Webcam.svelte

@@ -0,0 +1,356 @@
+<script lang="ts">
+	import { createEventDispatcher, onMount } from "svelte";
+	import { Camera, Circle, Square, DropdownArrow } from "@gradio/icons";
+	import type { I18nFormatter } from "@gradio/utils";
+	import type { FileData } from "@gradio/client";
+	import { prepare_files, upload } from "@gradio/client";
+
+	let video_source: HTMLVideoElement;
+	let canvas: HTMLCanvasElement;
+	export let streaming = false;
+	export let pending = false;
+	export let root = "";
+
+	export let mode: "image" | "video" = "image";
+	export let mirror_webcam: boolean;
+	export let include_audio: boolean;
+	export let i18n: I18nFormatter;
+
+	const dispatch = createEventDispatcher<{
+		stream: undefined;
+		capture: FileData | Blob | null;
+		error: string;
+		start_recording: undefined;
+		stop_recording: undefined;
+	}>();
+
+	onMount(() => (canvas = document.createElement("canvas")));
+	const size = {
+		width: { ideal: 1920 },
+		height: { ideal: 1440 }
+	};
+	async function access_webcam(device_id?: string): Promise<void> {
+		if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) {
+			dispatch("error", i18n("image.no_webcam_support"));
+			return;
+		}
+		try {
+			stream = await navigator.mediaDevices.getUserMedia({
+				video: device_id ? { deviceId: { exact: device_id }, ...size } : size,
+				audio: include_audio
+			});
+			video_source.srcObject = stream;
+			video_source.muted = true;
+			video_source.play();
+		} catch (err) {
+			if (err instanceof DOMException && err.name == "NotAllowedError") {
+				dispatch("error", i18n("image.allow_webcam_access"));
+			} else {
+				throw err;
+			}
+		}
+	}
+
+	function take_picture(): void {
+		var context = canvas.getContext("2d")!;
+
+		if (video_source.videoWidth && video_source.videoHeight) {
+			canvas.width = video_source.videoWidth;
+			canvas.height = video_source.videoHeight;
+			context.drawImage(
+				video_source,
+				0,
+				0,
+				video_source.videoWidth,
+				video_source.videoHeight
+			);
+
+			if (mirror_webcam) {
+				context.scale(-1, 1);
+				context.drawImage(video_source, -video_source.videoWidth, 0);
+			}
+
+			canvas.toBlob(
+				(blob) => {
+					dispatch(streaming ? "stream" : "capture", blob);
+				},
+				"image/png",
+				0.8
+			);
+		}
+	}
+
+	let recording = false;
+	let recorded_blobs: BlobPart[] = [];
+	let stream: MediaStream;
+	let mimeType: string;
+	let media_recorder: MediaRecorder;
+
+	function take_recording(): void {
+		if (recording) {
+			media_recorder.stop();
+			let video_blob = new Blob(recorded_blobs, { type: mimeType });
+			let ReaderObj = new FileReader();
+			ReaderObj.onload = async function (e): Promise<void> {
+				if (e.target) {
+					let _video_blob = new File(
+						[video_blob],
+						"sample." + mimeType.substring(6)
+					);
+					const val = await prepare_files([_video_blob]);
+					let value = (
+						(await upload(val, root))?.filter(Boolean) as FileData[]
+					)[0];
+					dispatch("capture", value);
+					dispatch("stop_recording");
+				}
+			};
+			ReaderObj.readAsDataURL(video_blob);
+		} else {
+			dispatch("start_recording");
+			recorded_blobs = [];
+			let validMimeTypes = ["video/webm", "video/mp4"];
+			for (let validMimeType of validMimeTypes) {
+				if (MediaRecorder.isTypeSupported(validMimeType)) {
+					mimeType = validMimeType;
+					break;
+				}
+			}
+			if (mimeType === null) {
+				console.error("No supported MediaRecorder mimeType");
+				return;
+			}
+			media_recorder = new MediaRecorder(stream, {
+				mimeType: mimeType
+			});
+			media_recorder.addEventListener("dataavailable", function (e) {
+				recorded_blobs.push(e.data);
+			});
+			media_recorder.start(200);
+		}
+		recording = !recording;
+	}
+
+	access_webcam();
+
+	if (streaming && mode === "image") {
+		window.setInterval(() => {
+			if (video_source && !pending) {
+				take_picture();
+			}
+		}, 500);
+	}
+
+	async function select_source(): Promise<void> {
+		const devices = await navigator.mediaDevices.enumerateDevices();
+		video_sources = devices.filter((device) => device.kind === "videoinput");
+		options_open = true;
+	}
+
+	let video_sources: MediaDeviceInfo[] = [];
+	async function selectVideoSource(device_id: string): Promise<void> {
+		await access_webcam(device_id);
+		options_open = false;
+	}
+
+	let options_open = false;
+
+	export function click_outside(node: Node, cb: any): any {
+		const handle_click = (event: MouseEvent): void => {
+			if (
+				node &&
+				!node.contains(event.target as Node) &&
+				!event.defaultPrevented
+			) {
+				cb(event);
+			}
+		};
+
+		document.addEventListener("click", handle_click, true);
+
+		return {
+			destroy() {
+				document.removeEventListener("click", handle_click, true);
+			}
+		};
+	}
+
+	function handle_click_outside(event: MouseEvent): void {
+		event.preventDefault();
+		event.stopPropagation();
+		options_open = false;
+	}
+</script>
+
+<div class="wrap">
+	<!-- svelte-ignore a11y-media-has-caption -->
+	<!-- need to suppress for video streaming https://github.com/sveltejs/svelte/issues/5967 -->
+	<video bind:this={video_source} class:flip={mirror_webcam} />
+	{#if !streaming}
+		<div class="button-wrap">
+			<button
+				on:click={mode === "image" ? take_picture : take_recording}
+				aria-label={mode === "image" ? "capture photo" : "start recording"}
+			>
+				{#if mode === "video"}
+					{#if recording}
+						<div class="icon red" title="stop recording">
+							<Square />
+						</div>
+					{:else}
+						<div class="icon red" title="start recording">
+							<Circle />
+						</div>
+					{/if}
+				{:else}
+					<div class="icon" title="capture photo">
+						<Camera />
+					</div>
+				{/if}
+			</button>
+
+			{#if !recording}
+				<button
+					on:click={select_source}
+					aria-label={mode === "image" ? "capture photo" : "start recording"}
+				>
+					<div class="icon" title="select video source">
+						<DropdownArrow />
+					</div>
+				</button>
+			{/if}
+		</div>
+		{#if options_open}
+			<select
+				class="select-wrap"
+				aria-label="select source"
+				use:click_outside={handle_click_outside}
+			>
+				<button
+					class="inset-icon"
+					on:click|stopPropagation={() => (options_open = false)}
+				>
+					<DropdownArrow />
+				</button>
+				{#if video_sources.length === 0}
+					<option value="">{i18n("common.no_devices")}</option>
+				{:else}
+					{#each video_sources as source}
+						<option on:click={() => selectVideoSource(source.deviceId)}>
+							{source.label}
+						</option>
+					{/each}
+				{/if}
+			</select>
+		{/if}
+	{/if}
+</div>
+
+<style>
+	.wrap {
+		position: relative;
+		width: var(--size-full);
+		height: var(--size-full);
+	}
+
+	video {
+		width: var(--size-full);
+		height: var(--size-full);
+		object-fit: cover;
+	}
+
+	.button-wrap {
+		position: absolute;
+		background-color: var(--block-background-fill);
+		border: 1px solid var(--border-color-primary);
+		border-radius: var(--radius-xl);
+		padding: var(--size-1-5);
+		display: flex;
+		bottom: var(--size-2);
+		left: 50%;
+		transform: translate(-50%, 0);
+		box-shadow: var(--shadow-drop-lg);
+		border-radius: var(--radius-xl);
+		line-height: var(--size-3);
+		color: var(--button-secondary-text-color);
+	}
+
+	@media (--screen-md) {
+		button {
+			bottom: var(--size-4);
+		}
+	}
+
+	@media (--screen-xl) {
+		button {
+			bottom: var(--size-8);
+		}
+	}
+
+	.icon {
+		opacity: 0.8;
+		width: 18px;
+		height: 18px;
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+	}
+
+	.red {
+		fill: red;
+		stroke: red;
+	}
+
+	.flip {
+		transform: scaleX(-1);
+	}
+
+	.select-wrap {
+		-webkit-appearance: none;
+		-moz-appearance: none;
+		appearance: none;
+		color: var(--button-secondary-text-color);
+		background-color: transparent;
+		width: 95%;
+		font-size: var(--text-md);
+		position: absolute;
+		bottom: var(--size-2);
+		background-color: var(--block-background-fill);
+		box-shadow: var(--shadow-drop-lg);
+		border-radius: var(--radius-xl);
+		z-index: var(--layer-top);
+		border: 1px solid var(--border-color-primary);
+		text-align: left;
+		line-height: var(--size-4);
+		white-space: nowrap;
+		text-overflow: ellipsis;
+		left: 50%;
+		transform: translate(-50%, 0);
+		max-width: var(--size-52);
+	}
+
+	.select-wrap > option {
+		padding: 0.25rem 0.5rem;
+		border-bottom: 1px solid var(--border-color-accent);
+		padding-right: var(--size-8);
+		text-overflow: ellipsis;
+		overflow: hidden;
+	}
+
+	.select-wrap > option:hover {
+		background-color: var(--color-accent);
+	}
+
+	.select-wrap > option:last-child {
+		border: none;
+	}
+
+	.inset-icon {
+		position: absolute;
+		top: 5px;
+		right: -6.5px;
+		width: var(--size-10);
+		height: var(--size-5);
+		opacity: 0.8;
+	}
+</style>

src/frontend/shared/index.ts

@@ -0,0 +1 @@
+export { default as Image } from "./Image.svelte";

src/frontend/shared/utils.ts

@@ -0,0 +1,29 @@
+export const get_coordinates_of_clicked_image = (
+	evt: MouseEvent
+): [number, number] | null => {
+	let image;
+	if (evt.currentTarget instanceof Element) {
+		image = evt.currentTarget.querySelector("img") as HTMLImageElement;
+	} else {
+		return [NaN, NaN];
+	}
+
+	const imageRect = image.getBoundingClientRect();
+	const xScale = image.naturalWidth / imageRect.width;
+	const yScale = image.naturalHeight / imageRect.height;
+	if (xScale > yScale) {
+		const displayed_height = image.naturalHeight / xScale;
+		const y_offset = (imageRect.height - displayed_height) / 2;
+		var x = Math.round((evt.clientX - imageRect.left) * xScale);
+		var y = Math.round((evt.clientY - imageRect.top - y_offset) * xScale);
+	} else {
+		const displayed_width = image.naturalWidth / yScale;
+		const x_offset = (imageRect.width - displayed_width) / 2;
+		var x = Math.round((evt.clientX - imageRect.left - x_offset) * yScale);
+		var y = Math.round((evt.clientY - imageRect.top) * yScale);
+	}
+	if (x < 0 || x >= image.naturalWidth || y < 0 || y >= image.naturalHeight) {
+		return null;
+	}
+	return [x, y];
+};

src/pyproject.toml

@@ -0,0 +1,42 @@
+[build-system]
+requires = [
+  "hatchling",
+  "hatch-requirements-txt",
+  "hatch-fancy-pypi-readme>=22.5.0",
+]
+build-backend = "hatchling.build"
+
+[project]
+name = "gradio_imagefeed"
+version = "0.0.1"
+description = "A vertical feed of images which gets updated as a generater yields a new image."
+readme = "README.md"
+license = "MIT"
+requires-python = ">=3.8"
+authors = [{ name = "YOUR NAME", email = "YOUREMAIL@domain.com" }]
+keywords = ["gradio-custom-component", "gradio-template-Image", "image", "generator", "feed", "timeline"]
+# Add dependencies here
+dependencies = ["gradio>=4.0,<5.0"]
+classifiers = [
+  'Development Status :: 3 - Alpha',
+  'License :: OSI Approved :: Apache Software License',
+  'Operating System :: OS Independent',
+  'Programming Language :: Python :: 3',
+  'Programming Language :: Python :: 3 :: Only',
+  'Programming Language :: Python :: 3.8',
+  'Programming Language :: Python :: 3.9',
+  'Programming Language :: Python :: 3.10',
+  'Programming Language :: Python :: 3.11',
+  'Topic :: Scientific/Engineering',
+  'Topic :: Scientific/Engineering :: Artificial Intelligence',
+  'Topic :: Scientific/Engineering :: Visualization',
+]
+
+[project.optional-dependencies]
+dev = ["build", "twine"]
+
+[tool.hatch.build]
+artifacts = ["/backend/gradio_imagefeed/templates", "*.pyi", "backend/gradio_imagefeed/templates", "backend/gradio_imagefeed/templates", "backend/gradio_imagefeed/templates"]
+
+[tool.hatch.build.targets.wheel]
+packages = ["/backend/gradio_imagefeed"]