freddyaboulton HF staff commited on
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379e788
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Upload folder using huggingface_hub

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Dockerfile ADDED
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+
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+ FROM python:3.9
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+
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+ WORKDIR /code
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+
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+ COPY --link --chown=1000 . .
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+
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+ RUN pip install --no-cache-dir -r requirements.txt
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+
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+ ENV PYTHONUNBUFFERED=1 GRADIO_ALLOW_FLAGGING=never GRADIO_NUM_PORTS=1 GRADIO_SERVER_NAME=0.0.0.0 GRADIO_SERVER_PORT=7860 SYSTEM=spaces
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+
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+ CMD ["python", "app.py"]
README.md CHANGED
@@ -1,10 +1,10 @@
 
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  ---
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- title: Gradio Pdf
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- emoji: 🚀
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- colorFrom: gray
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- colorTo: gray
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  sdk: docker
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  pinned: false
 
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  ---
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-
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- Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
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+
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  ---
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+ tags: [gradio-custom-component, gradio-template-Fallback]
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+ title: gradio_pdf V0.0.2
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+ colorFrom: pink
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+ colorTo: blue
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  sdk: docker
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  pinned: false
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+ license: apache-2.0
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  ---
 
 
__init__.py ADDED
File without changes
__pycache__/app.cpython-310.pyc ADDED
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app.py ADDED
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+
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+ import gradio as gr
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+ from gradio_pdf import PDF
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+ from pdf2image import convert_from_path
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+ from transformers import pipeline
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+ from pathlib import Path
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+
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+ dir_ = Path(__file__).parent
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+
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+ p = pipeline(
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+ "document-question-answering",
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+ model="impira/layoutlm-document-qa",
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+ )
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+
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+ def qa(question: str, doc: str) -> str:
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+ img = convert_from_path(doc)[0]
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+ output = p(img, question)
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+ return sorted(output, key=lambda x: x["score"], reverse=True)[0]['answer']
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+
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+
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+ demo = gr.Interface(
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+ qa,
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+ [gr.Textbox(label="Question"), PDF(label="Document")],
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+ gr.Textbox(),
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+ examples=[["What is the total gross worth?", str(dir_ / "invoice_2.pdf")],
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+ ["Whos is being invoiced?", str(dir_ / "sample_invoice.pdf")]]
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+ )
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+
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+ demo.launch()
contract.pdf ADDED
Binary file (128 kB). View file
 
invoice_2.pdf ADDED
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requirements.txt ADDED
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+ torch
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+ transformers
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+ pdf2image
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+ gradio_pdf-0.0.2-py3-none-any.whl
sample_invoice.pdf ADDED
Binary file (34.7 kB). View file
 
src/.DS_Store ADDED
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src/.gitignore ADDED
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+ .eggs/
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+ dist/
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+ *.pyc
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+ __pycache__/
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+ *.py[cod]
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+ *$py.class
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+ __tmp/*
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+ *.pyi
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+ node_modules
src/README.md ADDED
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+
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+ # gradio_pdf
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+ Display PDFs in Gradio!
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+
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+ ## Example usage
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+
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+ ```python
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+
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+ import gradio as gr
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+ from gradio_pdf import PDF
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+ from pdf2image import convert_from_path
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+ from transformers import pipeline
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+ from pathlib import Path
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+
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+ dir_ = Path(__file__).parent
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+
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+ p = pipeline(
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+ "document-question-answering",
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+ model="impira/layoutlm-document-qa",
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+ )
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+
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+ def qa(question: str, doc: str) -> str:
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+ img = convert_from_path(doc)[0]
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+ output = p(img, question)
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+ return sorted(output, key=lambda x: x["score"], reverse=True)[0]['answer']
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+
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+
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+ demo = gr.Interface(
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+ qa,
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+ [gr.Textbox(label="Question"), PDF(label="Document")],
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+ gr.Textbox(),
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+ examples=[["What is the total gross worth?", str(dir_ / "invoice_2.pdf")],
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+ ["Whos is being invoiced?", str(dir_ / "sample_invoice.pdf")]]
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+ )
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+
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+ demo.launch()
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+ ```
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+
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+ ## Demo
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+ ![demo](https://gradio-builds.s3.amazonaws.com/assets/PDFDisplay.png)
src/backend/gradio_pdf/__init__.py ADDED
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+
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+ from .pdf import PDF
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+
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+ __all__ = ['PDF']
src/backend/gradio_pdf/pdf.py ADDED
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+ from __future__ import annotations
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+ from typing import Any, Callable
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+
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+ from gradio.components.base import Component
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+ from gradio.data_classes import FileData
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+ from gradio import processing_utils
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+
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+ class PDF(Component):
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+
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+ data_model = FileData
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+
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+ def __init__(self, value: Any = None, *, height: int | None = None, label: str | None = None, info: str | None = None, show_label: bool | None = None, container: bool = True, scale: int | None = None, min_width: int | None = None, interactive: bool | None = None, visible: bool = True, elem_id: str | None = None, elem_classes: list[str] | str | None = None, render: bool = True, load_fn: Callable[..., Any] | None = None, every: float | None = None):
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+ super().__init__(value, label=label, info=info, 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, load_fn=load_fn, every=every)
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+ self.height = height
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+
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+ def preprocess(self, payload: FileData) -> str:
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+ return payload.path
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+
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+ def postprocess(self, value: str | None) -> FileData:
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+ if not value:
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+ return None
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+ return FileData(path=value)
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+
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+ def example_inputs(self):
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+ return {"foo": "bar"}
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+
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+ def api_info(self):
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+ return {"type": {}, "description": "any valid json"}
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+
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+ def as_example(self, input_data: str | None) -> str | None:
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+ if input_data is None:
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+ return None
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+ return processing_utils.move_resource_to_block_cache(input_data, self)
src/backend/gradio_pdf/pdf.pyi ADDED
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+ from gradio.components.base import Component
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+
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+ from gradio.events import Dependency
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+
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+ class PDF(Component):
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+
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+ data_model = FileData
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+
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+ def __init__(self, value: Any = None, *, height: int | None = None, label: str | None = None, info: str | None = None, show_label: bool | None = None, container: bool = True, scale: int | None = None, min_width: int | None = None, interactive: bool | None = None, visible: bool = True, elem_id: str | None = None, elem_classes: list[str] | str | None = None, render: bool = True, load_fn: Callable[..., Any] | None = None, every: float | None = None):
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+ super().__init__(value, label=label, info=info, 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, load_fn=load_fn, every=every)
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+ self.height = height
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+
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+ def preprocess(self, payload: FileData) -> str:
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+ return payload.path
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+
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+ def postprocess(self, value: str | None) -> FileData:
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+ if not value:
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+ return None
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+ return FileData(path=value)
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+
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+ def example_inputs(self):
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+ return {"foo": "bar"}
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+
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+ def api_info(self):
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+ return {"type": {}, "description": "any valid json"}
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+
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+ def as_example(self, input_data: str | None) -> str | None:
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+ if input_data is None:
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+ return None
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+ return processing_utils.move_resource_to_block_cache(input_data, self)
src/backend/gradio_pdf/templates/component/Index-f36f7747.js ADDED
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src/backend/gradio_pdf/templates/component/index.js ADDED
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+ import { I as f } from "./Index-f36f7747.js";
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+ export {
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+ f as default
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+ };
src/backend/gradio_pdf/templates/component/style.css ADDED
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+ 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.toast-close.warning.svelte-solcu7{color:var(--color-yellow-500)}.toast-close.info.svelte-solcu7{color:var(--color-grey-700)}.dark .toast-close.info.svelte-solcu7{color:var(--color-grey-500)}.toast-text.svelte-solcu7{font-size:var(--text-lg)}.toast-text.error.svelte-solcu7{color:var(--color-red-700)}.dark .toast-text.error.svelte-solcu7{color:var(--color-red-50)}.toast-text.warning.svelte-solcu7{color:var(--color-yellow-700)}.dark .toast-text.warning.svelte-solcu7{color:var(--color-yellow-50)}.toast-text.info.svelte-solcu7{color:var(--color-grey-700)}.dark .toast-text.info.svelte-solcu7{color:var(--color-grey-50)}.toast-details.svelte-solcu7{margin:var(--size-3) var(--size-3) var(--size-3) 0;width:100%}.toast-icon.svelte-solcu7{display:flex;position:absolute;position:relative;flex-shrink:0;justify-content:center;align-items:center;margin:var(--size-2);border-radius:var(--radius-full);padding:var(--size-1);padding-left:calc(var(--size-1) - 1px);width:35px;height:35px}.toast-icon.error.svelte-solcu7{color:var(--color-red-700)}.dark .toast-icon.error.svelte-solcu7{color:var(--color-red-500)}.toast-icon.warning.svelte-solcu7{color:var(--color-yellow-700)}.dark .toast-icon.warning.svelte-solcu7{color:var(--color-yellow-500)}.toast-icon.info.svelte-solcu7{color:var(--color-grey-700)}.dark .toast-icon.info.svelte-solcu7{color:var(--color-grey-500)}@keyframes svelte-solcu7-countdown{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.timer.svelte-solcu7{position:absolute;bottom:0;left:0;transform-origin:0 0;animation:svelte-solcu7-countdown 10s linear forwards;width:100%;height:var(--size-1)}.timer.error.svelte-solcu7{background:var(--color-red-700)}.dark .timer.error.svelte-solcu7{background:var(--color-red-500)}.timer.warning.svelte-solcu7{background:var(--color-yellow-700)}.dark .timer.warning.svelte-solcu7{background:var(--color-yellow-500)}.timer.info.svelte-solcu7{background:var(--color-grey-700)}.dark .timer.info.svelte-solcu7{background:var(--color-grey-500)}.toast-wrap.svelte-gatr8h{display:flex;position:fixed;top:var(--size-4);right:var(--size-4);flex-direction:column;align-items:end;gap:var(--size-2);z-index:var(--layer-top);width:calc(100% - var(--size-8))}@media (--screen-sm){.toast-wrap.svelte-gatr8h{width:calc(var(--size-96) + var(--size-10))}}button.svelte-18dlsnh{cursor:pointer;width:var(--size-full);height:var(--size-full)}.hidden.svelte-18dlsnh{display:none;height:0;position:absolute}.center.svelte-18dlsnh{display:flex;justify-content:center}.flex.svelte-18dlsnh{display:flex;justify-content:center;align-items:center}input.svelte-18dlsnh{display:none}div.svelte-1wj0ocy{display:flex;top:var(--size-2);right:var(--size-2);justify-content:flex-end;gap:var(--spacing-sm);z-index:var(--layer-1)}.not-absolute.svelte-1wj0ocy{margin:var(--size-1)}.pdf-canvas.svelte-qxsbof{display:flex;justify-content:center;align-items:center;overflow-y:auto}.button-row.svelte-qxsbof{display:flex;flex-direction:row;width:100%;justify-content:center;align-items:center}.page-count.svelte-qxsbof{margin:0 10px;font-family:var(--font-mono)}
src/backend/gradio_pdf/templates/component/wrapper-98f94c21-9201c0de.js ADDED
@@ -0,0 +1,2449 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import { r as S } from "./Index-f36f7747.js";
2
+ function z(s) {
3
+ return s && s.__esModule && Object.prototype.hasOwnProperty.call(s, "default") ? s.default : s;
4
+ }
5
+ function gt(s) {
6
+ if (s.__esModule)
7
+ return s;
8
+ var e = s.default;
9
+ if (typeof e == "function") {
10
+ var t = function r() {
11
+ return this instanceof r ? Reflect.construct(e, arguments, this.constructor) : e.apply(this, arguments);
12
+ };
13
+ t.prototype = e.prototype;
14
+ } else
15
+ t = {};
16
+ return Object.defineProperty(t, "__esModule", { value: !0 }), Object.keys(s).forEach(function(r) {
17
+ var i = Object.getOwnPropertyDescriptor(s, r);
18
+ Object.defineProperty(t, r, i.get ? i : {
19
+ enumerable: !0,
20
+ get: function() {
21
+ return s[r];
22
+ }
23
+ });
24
+ }), t;
25
+ }
26
+ const { Duplex: yt } = S;
27
+ function Oe(s) {
28
+ s.emit("close");
29
+ }
30
+ function vt() {
31
+ !this.destroyed && this._writableState.finished && this.destroy();
32
+ }
33
+ function Qe(s) {
34
+ this.removeListener("error", Qe), this.destroy(), this.listenerCount("error") === 0 && this.emit("error", s);
35
+ }
36
+ function St(s, e) {
37
+ let t = !0;
38
+ const r = new yt({
39
+ ...e,
40
+ autoDestroy: !1,
41
+ emitClose: !1,
42
+ objectMode: !1,
43
+ writableObjectMode: !1
44
+ });
45
+ return s.on("message", function(n, o) {
46
+ const l = !o && r._readableState.objectMode ? n.toString() : n;
47
+ r.push(l) || s.pause();
48
+ }), s.once("error", function(n) {
49
+ r.destroyed || (t = !1, r.destroy(n));
50
+ }), s.once("close", function() {
51
+ r.destroyed || r.push(null);
52
+ }), r._destroy = function(i, n) {
53
+ if (s.readyState === s.CLOSED) {
54
+ n(i), process.nextTick(Oe, r);
55
+ return;
56
+ }
57
+ let o = !1;
58
+ s.once("error", function(f) {
59
+ o = !0, n(f);
60
+ }), s.once("close", function() {
61
+ o || n(i), process.nextTick(Oe, r);
62
+ }), t && s.terminate();
63
+ }, r._final = function(i) {
64
+ if (s.readyState === s.CONNECTING) {
65
+ s.once("open", function() {
66
+ r._final(i);
67
+ });
68
+ return;
69
+ }
70
+ s._socket !== null && (s._socket._writableState.finished ? (i(), r._readableState.endEmitted && r.destroy()) : (s._socket.once("finish", function() {
71
+ i();
72
+ }), s.close()));
73
+ }, r._read = function() {
74
+ s.isPaused && s.resume();
75
+ }, r._write = function(i, n, o) {
76
+ if (s.readyState === s.CONNECTING) {
77
+ s.once("open", function() {
78
+ r._write(i, n, o);
79
+ });
80
+ return;
81
+ }
82
+ s.send(i, o);
83
+ }, r.on("end", vt), r.on("error", Qe), r;
84
+ }
85
+ var Et = St;
86
+ const Vs = /* @__PURE__ */ z(Et);
87
+ var te = { exports: {} }, U = {
88
+ BINARY_TYPES: ["nodebuffer", "arraybuffer", "fragments"],
89
+ EMPTY_BUFFER: Buffer.alloc(0),
90
+ GUID: "258EAFA5-E914-47DA-95CA-C5AB0DC85B11",
91
+ kForOnEventAttribute: Symbol("kIsForOnEventAttribute"),
92
+ kListener: Symbol("kListener"),
93
+ kStatusCode: Symbol("status-code"),
94
+ kWebSocket: Symbol("websocket"),
95
+ NOOP: () => {
96
+ }
97
+ }, bt, xt;
98
+ const { EMPTY_BUFFER: kt } = U, Se = Buffer[Symbol.species];
99
+ function wt(s, e) {
100
+ if (s.length === 0)
101
+ return kt;
102
+ if (s.length === 1)
103
+ return s[0];
104
+ const t = Buffer.allocUnsafe(e);
105
+ let r = 0;
106
+ for (let i = 0; i < s.length; i++) {
107
+ const n = s[i];
108
+ t.set(n, r), r += n.length;
109
+ }
110
+ return r < e ? new Se(t.buffer, t.byteOffset, r) : t;
111
+ }
112
+ function Je(s, e, t, r, i) {
113
+ for (let n = 0; n < i; n++)
114
+ t[r + n] = s[n] ^ e[n & 3];
115
+ }
116
+ function et(s, e) {
117
+ for (let t = 0; t < s.length; t++)
118
+ s[t] ^= e[t & 3];
119
+ }
120
+ function Ot(s) {
121
+ return s.length === s.buffer.byteLength ? s.buffer : s.buffer.slice(s.byteOffset, s.byteOffset + s.length);
122
+ }
123
+ function Ee(s) {
124
+ if (Ee.readOnly = !0, Buffer.isBuffer(s))
125
+ return s;
126
+ let e;
127
+ 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;
128
+ }
129
+ te.exports = {
130
+ concat: wt,
131
+ mask: Je,
132
+ toArrayBuffer: Ot,
133
+ toBuffer: Ee,
134
+ unmask: et
135
+ };
136
+ if (!process.env.WS_NO_BUFFER_UTIL)
137
+ try {
138
+ const s = require("bufferutil");
139
+ xt = te.exports.mask = function(e, t, r, i, n) {
140
+ n < 48 ? Je(e, t, r, i, n) : s.mask(e, t, r, i, n);
141
+ }, bt = te.exports.unmask = function(e, t) {
142
+ e.length < 32 ? et(e, t) : s.unmask(e, t);
143
+ };
144
+ } catch {
145
+ }
146
+ var ne = te.exports;
147
+ const Ce = Symbol("kDone"), ue = Symbol("kRun");
148
+ let Ct = class {
149
+ /**
150
+ * Creates a new `Limiter`.
151
+ *
152
+ * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed
153
+ * to run concurrently
154
+ */
155
+ constructor(e) {
156
+ this[Ce] = () => {
157
+ this.pending--, this[ue]();
158
+ }, this.concurrency = e || 1 / 0, this.jobs = [], this.pending = 0;
159
+ }
160
+ /**
161
+ * Adds a job to the queue.
162
+ *
163
+ * @param {Function} job The job to run
164
+ * @public
165
+ */
166
+ add(e) {
167
+ this.jobs.push(e), this[ue]();
168
+ }
169
+ /**
170
+ * Removes a job from the queue and runs it if possible.
171
+ *
172
+ * @private
173
+ */
174
+ [ue]() {
175
+ if (this.pending !== this.concurrency && this.jobs.length) {
176
+ const e = this.jobs.shift();
177
+ this.pending++, e(this[Ce]);
178
+ }
179
+ }
180
+ };
181
+ var Tt = Ct;
182
+ 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");
183
+ let K, Rt = class {
184
+ /**
185
+ * Creates a PerMessageDeflate instance.
186
+ *
187
+ * @param {Object} [options] Configuration options
188
+ * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support
189
+ * for, or request, a custom client window size
190
+ * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/
191
+ * acknowledge disabling of client context takeover
192
+ * @param {Number} [options.concurrencyLimit=10] The number of concurrent
193
+ * calls to zlib
194
+ * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the
195
+ * use of a custom server window size
196
+ * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept
197
+ * disabling of server context takeover
198
+ * @param {Number} [options.threshold=1024] Size (in bytes) below which
199
+ * messages should not be compressed if context takeover is disabled
200
+ * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on
201
+ * deflate
202
+ * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on
203
+ * inflate
204
+ * @param {Boolean} [isServer=false] Create the instance in either server or
205
+ * client mode
206
+ * @param {Number} [maxPayload=0] The maximum allowed message length
207
+ */
208
+ constructor(e, t, r) {
209
+ 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) {
210
+ const i = this._options.concurrencyLimit !== void 0 ? this._options.concurrencyLimit : 10;
211
+ K = new Lt(i);
212
+ }
213
+ }
214
+ /**
215
+ * @type {String}
216
+ */
217
+ static get extensionName() {
218
+ return "permessage-deflate";
219
+ }
220
+ /**
221
+ * Create an extension negotiation offer.
222
+ *
223
+ * @return {Object} Extension parameters
224
+ * @public
225
+ */
226
+ offer() {
227
+ const e = {};
228
+ 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;
229
+ }
230
+ /**
231
+ * Accept an extension negotiation offer/response.
232
+ *
233
+ * @param {Array} configurations The extension negotiation offers/reponse
234
+ * @return {Object} Accepted configuration
235
+ * @public
236
+ */
237
+ accept(e) {
238
+ return e = this.normalizeParams(e), this.params = this._isServer ? this.acceptAsServer(e) : this.acceptAsClient(e), this.params;
239
+ }
240
+ /**
241
+ * Releases all resources used by the extension.
242
+ *
243
+ * @public
244
+ */
245
+ cleanup() {
246
+ if (this._inflate && (this._inflate.close(), this._inflate = null), this._deflate) {
247
+ const e = this._deflate[V];
248
+ this._deflate.close(), this._deflate = null, e && e(
249
+ new Error(
250
+ "The deflate stream was closed while data was being processed"
251
+ )
252
+ );
253
+ }
254
+ }
255
+ /**
256
+ * Accept an extension negotiation offer.
257
+ *
258
+ * @param {Array} offers The extension negotiation offers
259
+ * @return {Object} Accepted configuration
260
+ * @private
261
+ */
262
+ acceptAsServer(e) {
263
+ 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));
264
+ if (!r)
265
+ throw new Error("None of the extension offers can be accepted");
266
+ 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;
267
+ }
268
+ /**
269
+ * Accept the extension negotiation response.
270
+ *
271
+ * @param {Array} response The extension negotiation response
272
+ * @return {Object} Accepted configuration
273
+ * @private
274
+ */
275
+ acceptAsClient(e) {
276
+ const t = e[0];
277
+ if (this._options.clientNoContextTakeover === !1 && t.client_no_context_takeover)
278
+ throw new Error('Unexpected parameter "client_no_context_takeover"');
279
+ if (!t.client_max_window_bits)
280
+ typeof this._options.clientMaxWindowBits == "number" && (t.client_max_window_bits = this._options.clientMaxWindowBits);
281
+ else if (this._options.clientMaxWindowBits === !1 || typeof this._options.clientMaxWindowBits == "number" && t.client_max_window_bits > this._options.clientMaxWindowBits)
282
+ throw new Error(
283
+ 'Unexpected or invalid parameter "client_max_window_bits"'
284
+ );
285
+ return t;
286
+ }
287
+ /**
288
+ * Normalize parameters.
289
+ *
290
+ * @param {Array} configurations The extension negotiation offers/reponse
291
+ * @return {Array} The offers/response with normalized parameters
292
+ * @private
293
+ */
294
+ normalizeParams(e) {
295
+ return e.forEach((t) => {
296
+ Object.keys(t).forEach((r) => {
297
+ let i = t[r];
298
+ if (i.length > 1)
299
+ throw new Error(`Parameter "${r}" must have only a single value`);
300
+ if (i = i[0], r === "client_max_window_bits") {
301
+ if (i !== !0) {
302
+ const n = +i;
303
+ if (!Number.isInteger(n) || n < 8 || n > 15)
304
+ throw new TypeError(
305
+ `Invalid value for parameter "${r}": ${i}`
306
+ );
307
+ i = n;
308
+ } else if (!this._isServer)
309
+ throw new TypeError(
310
+ `Invalid value for parameter "${r}": ${i}`
311
+ );
312
+ } else if (r === "server_max_window_bits") {
313
+ const n = +i;
314
+ if (!Number.isInteger(n) || n < 8 || n > 15)
315
+ throw new TypeError(
316
+ `Invalid value for parameter "${r}": ${i}`
317
+ );
318
+ i = n;
319
+ } else if (r === "client_no_context_takeover" || r === "server_no_context_takeover") {
320
+ if (i !== !0)
321
+ throw new TypeError(
322
+ `Invalid value for parameter "${r}": ${i}`
323
+ );
324
+ } else
325
+ throw new Error(`Unknown parameter "${r}"`);
326
+ t[r] = i;
327
+ });
328
+ }), e;
329
+ }
330
+ /**
331
+ * Decompress data. Concurrency limited.
332
+ *
333
+ * @param {Buffer} data Compressed data
334
+ * @param {Boolean} fin Specifies whether or not this is the last fragment
335
+ * @param {Function} callback Callback
336
+ * @public
337
+ */
338
+ decompress(e, t, r) {
339
+ K.add((i) => {
340
+ this._decompress(e, t, (n, o) => {
341
+ i(), r(n, o);
342
+ });
343
+ });
344
+ }
345
+ /**
346
+ * Compress data. Concurrency limited.
347
+ *
348
+ * @param {(Buffer|String)} data Data to compress
349
+ * @param {Boolean} fin Specifies whether or not this is the last fragment
350
+ * @param {Function} callback Callback
351
+ * @public
352
+ */
353
+ compress(e, t, r) {
354
+ K.add((i) => {
355
+ this._compress(e, t, (n, o) => {
356
+ i(), r(n, o);
357
+ });
358
+ });
359
+ }
360
+ /**
361
+ * Decompress data.
362
+ *
363
+ * @param {Buffer} data Compressed data
364
+ * @param {Boolean} fin Specifies whether or not this is the last fragment
365
+ * @param {Function} callback Callback
366
+ * @private
367
+ */
368
+ _decompress(e, t, r) {
369
+ const i = this._isServer ? "client" : "server";
370
+ if (!this._inflate) {
371
+ const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
372
+ this._inflate = W.createInflateRaw({
373
+ ...this._options.zlibInflateOptions,
374
+ windowBits: o
375
+ }), this._inflate[se] = this, this._inflate[w] = 0, this._inflate[C] = [], this._inflate.on("error", Bt), this._inflate.on("data", st);
376
+ }
377
+ this._inflate[V] = r, this._inflate.write(e), t && this._inflate.write(Pt), this._inflate.flush(() => {
378
+ const n = this._inflate[J];
379
+ if (n) {
380
+ this._inflate.close(), this._inflate = null, r(n);
381
+ return;
382
+ }
383
+ const o = Te.concat(
384
+ this._inflate[C],
385
+ this._inflate[w]
386
+ );
387
+ this._inflate._readableState.endEmitted ? (this._inflate.close(), this._inflate = null) : (this._inflate[w] = 0, this._inflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._inflate.reset()), r(null, o);
388
+ });
389
+ }
390
+ /**
391
+ * Compress data.
392
+ *
393
+ * @param {(Buffer|String)} data Data to compress
394
+ * @param {Boolean} fin Specifies whether or not this is the last fragment
395
+ * @param {Function} callback Callback
396
+ * @private
397
+ */
398
+ _compress(e, t, r) {
399
+ const i = this._isServer ? "server" : "client";
400
+ if (!this._deflate) {
401
+ const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
402
+ this._deflate = W.createDeflateRaw({
403
+ ...this._options.zlibDeflateOptions,
404
+ windowBits: o
405
+ }), this._deflate[w] = 0, this._deflate[C] = [], this._deflate.on("data", Ut);
406
+ }
407
+ this._deflate[V] = r, this._deflate.write(e), this._deflate.flush(W.Z_SYNC_FLUSH, () => {
408
+ if (!this._deflate)
409
+ return;
410
+ let n = Te.concat(
411
+ this._deflate[C],
412
+ this._deflate[w]
413
+ );
414
+ t && (n = new Nt(n.buffer, n.byteOffset, n.length - 4)), this._deflate[V] = null, this._deflate[w] = 0, this._deflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._deflate.reset(), r(null, n);
415
+ });
416
+ }
417
+ };
418
+ var oe = Rt;
419
+ function Ut(s) {
420
+ this[C].push(s), this[w] += s.length;
421
+ }
422
+ function st(s) {
423
+ if (this[w] += s.length, this[se]._maxPayload < 1 || this[w] <= this[se]._maxPayload) {
424
+ this[C].push(s);
425
+ return;
426
+ }
427
+ 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();
428
+ }
429
+ function Bt(s) {
430
+ this[se]._inflate = null, s[tt] = 1007, this[V](s);
431
+ }
432
+ var re = { exports: {} };
433
+ const $t = {}, Mt = /* @__PURE__ */ Object.freeze(/* @__PURE__ */ Object.defineProperty({
434
+ __proto__: null,
435
+ default: $t
436
+ }, Symbol.toStringTag, { value: "Module" })), It = /* @__PURE__ */ gt(Mt);
437
+ var Le;
438
+ const { isUtf8: Ne } = S, Dt = [
439
+ 0,
440
+ 0,
441
+ 0,
442
+ 0,
443
+ 0,
444
+ 0,
445
+ 0,
446
+ 0,
447
+ 0,
448
+ 0,
449
+ 0,
450
+ 0,
451
+ 0,
452
+ 0,
453
+ 0,
454
+ 0,
455
+ // 0 - 15
456
+ 0,
457
+ 0,
458
+ 0,
459
+ 0,
460
+ 0,
461
+ 0,
462
+ 0,
463
+ 0,
464
+ 0,
465
+ 0,
466
+ 0,
467
+ 0,
468
+ 0,
469
+ 0,
470
+ 0,
471
+ 0,
472
+ // 16 - 31
473
+ 0,
474
+ 1,
475
+ 0,
476
+ 1,
477
+ 1,
478
+ 1,
479
+ 1,
480
+ 1,
481
+ 0,
482
+ 0,
483
+ 1,
484
+ 1,
485
+ 0,
486
+ 1,
487
+ 1,
488
+ 0,
489
+ // 32 - 47
490
+ 1,
491
+ 1,
492
+ 1,
493
+ 1,
494
+ 1,
495
+ 1,
496
+ 1,
497
+ 1,
498
+ 1,
499
+ 1,
500
+ 0,
501
+ 0,
502
+ 0,
503
+ 0,
504
+ 0,
505
+ 0,
506
+ // 48 - 63
507
+ 0,
508
+ 1,
509
+ 1,
510
+ 1,
511
+ 1,
512
+ 1,
513
+ 1,
514
+ 1,
515
+ 1,
516
+ 1,
517
+ 1,
518
+ 1,
519
+ 1,
520
+ 1,
521
+ 1,
522
+ 1,
523
+ // 64 - 79
524
+ 1,
525
+ 1,
526
+ 1,
527
+ 1,
528
+ 1,
529
+ 1,
530
+ 1,
531
+ 1,
532
+ 1,
533
+ 1,
534
+ 1,
535
+ 0,
536
+ 0,
537
+ 0,
538
+ 1,
539
+ 1,
540
+ // 80 - 95
541
+ 1,
542
+ 1,
543
+ 1,
544
+ 1,
545
+ 1,
546
+ 1,
547
+ 1,
548
+ 1,
549
+ 1,
550
+ 1,
551
+ 1,
552
+ 1,
553
+ 1,
554
+ 1,
555
+ 1,
556
+ 1,
557
+ // 96 - 111
558
+ 1,
559
+ 1,
560
+ 1,
561
+ 1,
562
+ 1,
563
+ 1,
564
+ 1,
565
+ 1,
566
+ 1,
567
+ 1,
568
+ 1,
569
+ 0,
570
+ 1,
571
+ 0,
572
+ 1,
573
+ 0
574
+ // 112 - 127
575
+ ];
576
+ function Wt(s) {
577
+ return s >= 1e3 && s <= 1014 && s !== 1004 && s !== 1005 && s !== 1006 || s >= 3e3 && s <= 4999;
578
+ }
579
+ function be(s) {
580
+ const e = s.length;
581
+ let t = 0;
582
+ for (; t < e; )
583
+ if (!(s[t] & 128))
584
+ t++;
585
+ else if ((s[t] & 224) === 192) {
586
+ if (t + 1 === e || (s[t + 1] & 192) !== 128 || (s[t] & 254) === 192)
587
+ return !1;
588
+ t += 2;
589
+ } else if ((s[t] & 240) === 224) {
590
+ if (t + 2 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || s[t] === 224 && (s[t + 1] & 224) === 128 || // Overlong
591
+ s[t] === 237 && (s[t + 1] & 224) === 160)
592
+ return !1;
593
+ t += 3;
594
+ } else if ((s[t] & 248) === 240) {
595
+ 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
596
+ s[t] === 244 && s[t + 1] > 143 || s[t] > 244)
597
+ return !1;
598
+ t += 4;
599
+ } else
600
+ return !1;
601
+ return !0;
602
+ }
603
+ re.exports = {
604
+ isValidStatusCode: Wt,
605
+ isValidUTF8: be,
606
+ tokenChars: Dt
607
+ };
608
+ if (Ne)
609
+ Le = re.exports.isValidUTF8 = function(s) {
610
+ return s.length < 24 ? be(s) : Ne(s);
611
+ };
612
+ else if (!process.env.WS_NO_UTF_8_VALIDATE)
613
+ try {
614
+ const s = It;
615
+ Le = re.exports.isValidUTF8 = function(e) {
616
+ return e.length < 32 ? be(e) : s(e);
617
+ };
618
+ } catch {
619
+ }
620
+ var ae = re.exports;
621
+ const { Writable: At } = S, Pe = oe, {
622
+ BINARY_TYPES: Ft,
623
+ EMPTY_BUFFER: Re,
624
+ kStatusCode: jt,
625
+ kWebSocket: Gt
626
+ } = 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;
627
+ let qt = class extends At {
628
+ /**
629
+ * Creates a Receiver instance.
630
+ *
631
+ * @param {Object} [options] Options object
632
+ * @param {String} [options.binaryType=nodebuffer] The type for binary data
633
+ * @param {Object} [options.extensions] An object containing the negotiated
634
+ * extensions
635
+ * @param {Boolean} [options.isServer=false] Specifies whether to operate in
636
+ * client or server mode
637
+ * @param {Number} [options.maxPayload=0] The maximum allowed message length
638
+ * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
639
+ * not to skip UTF-8 validation for text and close messages
640
+ */
641
+ constructor(e = {}) {
642
+ 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;
643
+ }
644
+ /**
645
+ * Implements `Writable.prototype._write()`.
646
+ *
647
+ * @param {Buffer} chunk The chunk of data to write
648
+ * @param {String} encoding The character encoding of `chunk`
649
+ * @param {Function} cb Callback
650
+ * @private
651
+ */
652
+ _write(e, t, r) {
653
+ if (this._opcode === 8 && this._state == A)
654
+ return r();
655
+ this._bufferedBytes += e.length, this._buffers.push(e), this.startLoop(r);
656
+ }
657
+ /**
658
+ * Consumes `n` bytes from the buffered data.
659
+ *
660
+ * @param {Number} n The number of bytes to consume
661
+ * @return {Buffer} The consumed bytes
662
+ * @private
663
+ */
664
+ consume(e) {
665
+ if (this._bufferedBytes -= e, e === this._buffers[0].length)
666
+ return this._buffers.shift();
667
+ if (e < this._buffers[0].length) {
668
+ const r = this._buffers[0];
669
+ return this._buffers[0] = new X(
670
+ r.buffer,
671
+ r.byteOffset + e,
672
+ r.length - e
673
+ ), new X(r.buffer, r.byteOffset, e);
674
+ }
675
+ const t = Buffer.allocUnsafe(e);
676
+ do {
677
+ const r = this._buffers[0], i = t.length - e;
678
+ e >= r.length ? t.set(this._buffers.shift(), i) : (t.set(new Uint8Array(r.buffer, r.byteOffset, e), i), this._buffers[0] = new X(
679
+ r.buffer,
680
+ r.byteOffset + e,
681
+ r.length - e
682
+ )), e -= r.length;
683
+ } while (e > 0);
684
+ return t;
685
+ }
686
+ /**
687
+ * Starts the parsing loop.
688
+ *
689
+ * @param {Function} cb Callback
690
+ * @private
691
+ */
692
+ startLoop(e) {
693
+ let t;
694
+ this._loop = !0;
695
+ do
696
+ switch (this._state) {
697
+ case A:
698
+ t = this.getInfo();
699
+ break;
700
+ case Be:
701
+ t = this.getPayloadLength16();
702
+ break;
703
+ case $e:
704
+ t = this.getPayloadLength64();
705
+ break;
706
+ case Me:
707
+ this.getMask();
708
+ break;
709
+ case _e:
710
+ t = this.getData(e);
711
+ break;
712
+ default:
713
+ this._loop = !1;
714
+ return;
715
+ }
716
+ while (this._loop);
717
+ e(t);
718
+ }
719
+ /**
720
+ * Reads the first two bytes of a frame.
721
+ *
722
+ * @return {(RangeError|undefined)} A possible error
723
+ * @private
724
+ */
725
+ getInfo() {
726
+ if (this._bufferedBytes < 2) {
727
+ this._loop = !1;
728
+ return;
729
+ }
730
+ const e = this.consume(2);
731
+ if (e[0] & 48)
732
+ return this._loop = !1, g(
733
+ RangeError,
734
+ "RSV2 and RSV3 must be clear",
735
+ !0,
736
+ 1002,
737
+ "WS_ERR_UNEXPECTED_RSV_2_3"
738
+ );
739
+ const t = (e[0] & 64) === 64;
740
+ if (t && !this._extensions[Pe.extensionName])
741
+ return this._loop = !1, g(
742
+ RangeError,
743
+ "RSV1 must be clear",
744
+ !0,
745
+ 1002,
746
+ "WS_ERR_UNEXPECTED_RSV_1"
747
+ );
748
+ if (this._fin = (e[0] & 128) === 128, this._opcode = e[0] & 15, this._payloadLength = e[1] & 127, this._opcode === 0) {
749
+ if (t)
750
+ return this._loop = !1, g(
751
+ RangeError,
752
+ "RSV1 must be clear",
753
+ !0,
754
+ 1002,
755
+ "WS_ERR_UNEXPECTED_RSV_1"
756
+ );
757
+ if (!this._fragmented)
758
+ return this._loop = !1, g(
759
+ RangeError,
760
+ "invalid opcode 0",
761
+ !0,
762
+ 1002,
763
+ "WS_ERR_INVALID_OPCODE"
764
+ );
765
+ this._opcode = this._fragmented;
766
+ } else if (this._opcode === 1 || this._opcode === 2) {
767
+ if (this._fragmented)
768
+ return this._loop = !1, g(
769
+ RangeError,
770
+ `invalid opcode ${this._opcode}`,
771
+ !0,
772
+ 1002,
773
+ "WS_ERR_INVALID_OPCODE"
774
+ );
775
+ this._compressed = t;
776
+ } else if (this._opcode > 7 && this._opcode < 11) {
777
+ if (!this._fin)
778
+ return this._loop = !1, g(
779
+ RangeError,
780
+ "FIN must be set",
781
+ !0,
782
+ 1002,
783
+ "WS_ERR_EXPECTED_FIN"
784
+ );
785
+ if (t)
786
+ return this._loop = !1, g(
787
+ RangeError,
788
+ "RSV1 must be clear",
789
+ !0,
790
+ 1002,
791
+ "WS_ERR_UNEXPECTED_RSV_1"
792
+ );
793
+ if (this._payloadLength > 125 || this._opcode === 8 && this._payloadLength === 1)
794
+ return this._loop = !1, g(
795
+ RangeError,
796
+ `invalid payload length ${this._payloadLength}`,
797
+ !0,
798
+ 1002,
799
+ "WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"
800
+ );
801
+ } else
802
+ return this._loop = !1, g(
803
+ RangeError,
804
+ `invalid opcode ${this._opcode}`,
805
+ !0,
806
+ 1002,
807
+ "WS_ERR_INVALID_OPCODE"
808
+ );
809
+ if (!this._fin && !this._fragmented && (this._fragmented = this._opcode), this._masked = (e[1] & 128) === 128, this._isServer) {
810
+ if (!this._masked)
811
+ return this._loop = !1, g(
812
+ RangeError,
813
+ "MASK must be set",
814
+ !0,
815
+ 1002,
816
+ "WS_ERR_EXPECTED_MASK"
817
+ );
818
+ } else if (this._masked)
819
+ return this._loop = !1, g(
820
+ RangeError,
821
+ "MASK must be clear",
822
+ !0,
823
+ 1002,
824
+ "WS_ERR_UNEXPECTED_MASK"
825
+ );
826
+ if (this._payloadLength === 126)
827
+ this._state = Be;
828
+ else if (this._payloadLength === 127)
829
+ this._state = $e;
830
+ else
831
+ return this.haveLength();
832
+ }
833
+ /**
834
+ * Gets extended payload length (7+16).
835
+ *
836
+ * @return {(RangeError|undefined)} A possible error
837
+ * @private
838
+ */
839
+ getPayloadLength16() {
840
+ if (this._bufferedBytes < 2) {
841
+ this._loop = !1;
842
+ return;
843
+ }
844
+ return this._payloadLength = this.consume(2).readUInt16BE(0), this.haveLength();
845
+ }
846
+ /**
847
+ * Gets extended payload length (7+64).
848
+ *
849
+ * @return {(RangeError|undefined)} A possible error
850
+ * @private
851
+ */
852
+ getPayloadLength64() {
853
+ if (this._bufferedBytes < 8) {
854
+ this._loop = !1;
855
+ return;
856
+ }
857
+ const e = this.consume(8), t = e.readUInt32BE(0);
858
+ return t > Math.pow(2, 53 - 32) - 1 ? (this._loop = !1, g(
859
+ RangeError,
860
+ "Unsupported WebSocket frame: payload length > 2^53 - 1",
861
+ !1,
862
+ 1009,
863
+ "WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"
864
+ )) : (this._payloadLength = t * Math.pow(2, 32) + e.readUInt32BE(4), this.haveLength());
865
+ }
866
+ /**
867
+ * Payload length has been read.
868
+ *
869
+ * @return {(RangeError|undefined)} A possible error
870
+ * @private
871
+ */
872
+ haveLength() {
873
+ if (this._payloadLength && this._opcode < 8 && (this._totalPayloadLength += this._payloadLength, this._totalPayloadLength > this._maxPayload && this._maxPayload > 0))
874
+ return this._loop = !1, g(
875
+ RangeError,
876
+ "Max payload size exceeded",
877
+ !1,
878
+ 1009,
879
+ "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
880
+ );
881
+ this._masked ? this._state = Me : this._state = _e;
882
+ }
883
+ /**
884
+ * Reads mask bytes.
885
+ *
886
+ * @private
887
+ */
888
+ getMask() {
889
+ if (this._bufferedBytes < 4) {
890
+ this._loop = !1;
891
+ return;
892
+ }
893
+ this._mask = this.consume(4), this._state = _e;
894
+ }
895
+ /**
896
+ * Reads data bytes.
897
+ *
898
+ * @param {Function} cb Callback
899
+ * @return {(Error|RangeError|undefined)} A possible error
900
+ * @private
901
+ */
902
+ getData(e) {
903
+ let t = Re;
904
+ if (this._payloadLength) {
905
+ if (this._bufferedBytes < this._payloadLength) {
906
+ this._loop = !1;
907
+ return;
908
+ }
909
+ t = this.consume(this._payloadLength), this._masked && this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3] && Ht(t, this._mask);
910
+ }
911
+ if (this._opcode > 7)
912
+ return this.controlMessage(t);
913
+ if (this._compressed) {
914
+ this._state = Yt, this.decompress(t, e);
915
+ return;
916
+ }
917
+ return t.length && (this._messageLength = this._totalPayloadLength, this._fragments.push(t)), this.dataMessage();
918
+ }
919
+ /**
920
+ * Decompresses data.
921
+ *
922
+ * @param {Buffer} data Compressed data
923
+ * @param {Function} cb Callback
924
+ * @private
925
+ */
926
+ decompress(e, t) {
927
+ this._extensions[Pe.extensionName].decompress(e, this._fin, (i, n) => {
928
+ if (i)
929
+ return t(i);
930
+ if (n.length) {
931
+ if (this._messageLength += n.length, this._messageLength > this._maxPayload && this._maxPayload > 0)
932
+ return t(
933
+ g(
934
+ RangeError,
935
+ "Max payload size exceeded",
936
+ !1,
937
+ 1009,
938
+ "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
939
+ )
940
+ );
941
+ this._fragments.push(n);
942
+ }
943
+ const o = this.dataMessage();
944
+ if (o)
945
+ return t(o);
946
+ this.startLoop(t);
947
+ });
948
+ }
949
+ /**
950
+ * Handles a data message.
951
+ *
952
+ * @return {(Error|undefined)} A possible error
953
+ * @private
954
+ */
955
+ dataMessage() {
956
+ if (this._fin) {
957
+ const e = this._messageLength, t = this._fragments;
958
+ if (this._totalPayloadLength = 0, this._messageLength = 0, this._fragmented = 0, this._fragments = [], this._opcode === 2) {
959
+ let r;
960
+ this._binaryType === "nodebuffer" ? r = de(t, e) : this._binaryType === "arraybuffer" ? r = Vt(de(t, e)) : r = t, this.emit("message", r, !0);
961
+ } else {
962
+ const r = de(t, e);
963
+ if (!this._skipUTF8Validation && !Ue(r))
964
+ return this._loop = !1, g(
965
+ Error,
966
+ "invalid UTF-8 sequence",
967
+ !0,
968
+ 1007,
969
+ "WS_ERR_INVALID_UTF8"
970
+ );
971
+ this.emit("message", r, !1);
972
+ }
973
+ }
974
+ this._state = A;
975
+ }
976
+ /**
977
+ * Handles a control message.
978
+ *
979
+ * @param {Buffer} data Data to handle
980
+ * @return {(Error|RangeError|undefined)} A possible error
981
+ * @private
982
+ */
983
+ controlMessage(e) {
984
+ if (this._opcode === 8)
985
+ if (this._loop = !1, e.length === 0)
986
+ this.emit("conclude", 1005, Re), this.end();
987
+ else {
988
+ const t = e.readUInt16BE(0);
989
+ if (!zt(t))
990
+ return g(
991
+ RangeError,
992
+ `invalid status code ${t}`,
993
+ !0,
994
+ 1002,
995
+ "WS_ERR_INVALID_CLOSE_CODE"
996
+ );
997
+ const r = new X(
998
+ e.buffer,
999
+ e.byteOffset + 2,
1000
+ e.length - 2
1001
+ );
1002
+ if (!this._skipUTF8Validation && !Ue(r))
1003
+ return g(
1004
+ Error,
1005
+ "invalid UTF-8 sequence",
1006
+ !0,
1007
+ 1007,
1008
+ "WS_ERR_INVALID_UTF8"
1009
+ );
1010
+ this.emit("conclude", t, r), this.end();
1011
+ }
1012
+ else
1013
+ this._opcode === 9 ? this.emit("ping", e) : this.emit("pong", e);
1014
+ this._state = A;
1015
+ }
1016
+ };
1017
+ var rt = qt;
1018
+ function g(s, e, t, r, i) {
1019
+ const n = new s(
1020
+ t ? `Invalid WebSocket frame: ${e}` : e
1021
+ );
1022
+ return Error.captureStackTrace(n, g), n.code = i, n[jt] = r, n;
1023
+ }
1024
+ 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);
1025
+ let Jt = class P {
1026
+ /**
1027
+ * Creates a Sender instance.
1028
+ *
1029
+ * @param {(net.Socket|tls.Socket)} socket The connection socket
1030
+ * @param {Object} [extensions] An object containing the negotiated extensions
1031
+ * @param {Function} [generateMask] The function used to generate the masking
1032
+ * key
1033
+ */
1034
+ constructor(e, t, r) {
1035
+ 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 = [];
1036
+ }
1037
+ /**
1038
+ * Frames a piece of data according to the HyBi WebSocket protocol.
1039
+ *
1040
+ * @param {(Buffer|String)} data The data to frame
1041
+ * @param {Object} options Options object
1042
+ * @param {Boolean} [options.fin=false] Specifies whether or not to set the
1043
+ * FIN bit
1044
+ * @param {Function} [options.generateMask] The function used to generate the
1045
+ * masking key
1046
+ * @param {Boolean} [options.mask=false] Specifies whether or not to mask
1047
+ * `data`
1048
+ * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
1049
+ * key
1050
+ * @param {Number} options.opcode The opcode
1051
+ * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
1052
+ * modified
1053
+ * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
1054
+ * RSV1 bit
1055
+ * @return {(Buffer|String)[]} The framed data
1056
+ * @public
1057
+ */
1058
+ static frame(e, t) {
1059
+ let r, i = !1, n = 2, o = !1;
1060
+ 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);
1061
+ let l;
1062
+ 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);
1063
+ let f = l;
1064
+ l >= 65536 ? (n += 8, f = 127) : l > 125 && (n += 2, f = 126);
1065
+ const a = Buffer.allocUnsafe(i ? l + n : n);
1066
+ 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];
1067
+ }
1068
+ /**
1069
+ * Sends a close message to the other peer.
1070
+ *
1071
+ * @param {Number} [code] The status code component of the body
1072
+ * @param {(String|Buffer)} [data] The message component of the body
1073
+ * @param {Boolean} [mask=false] Specifies whether or not to mask the message
1074
+ * @param {Function} [cb] Callback
1075
+ * @public
1076
+ */
1077
+ close(e, t, r, i) {
1078
+ let n;
1079
+ if (e === void 0)
1080
+ n = Xt;
1081
+ else {
1082
+ if (typeof e != "number" || !Zt(e))
1083
+ throw new TypeError("First argument must be a valid error code number");
1084
+ if (t === void 0 || !t.length)
1085
+ n = Buffer.allocUnsafe(2), n.writeUInt16BE(e, 0);
1086
+ else {
1087
+ const l = Buffer.byteLength(t);
1088
+ if (l > 123)
1089
+ throw new RangeError("The message must not be greater than 123 bytes");
1090
+ n = Buffer.allocUnsafe(2 + l), n.writeUInt16BE(e, 0), typeof t == "string" ? n.write(t, 2) : n.set(t, 2);
1091
+ }
1092
+ }
1093
+ const o = {
1094
+ [x]: n.length,
1095
+ fin: !0,
1096
+ generateMask: this._generateMask,
1097
+ mask: r,
1098
+ maskBuffer: this._maskBuffer,
1099
+ opcode: 8,
1100
+ readOnly: !1,
1101
+ rsv1: !1
1102
+ };
1103
+ this._deflating ? this.enqueue([this.dispatch, n, !1, o, i]) : this.sendFrame(P.frame(n, o), i);
1104
+ }
1105
+ /**
1106
+ * Sends a ping message to the other peer.
1107
+ *
1108
+ * @param {*} data The message to send
1109
+ * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
1110
+ * @param {Function} [cb] Callback
1111
+ * @public
1112
+ */
1113
+ ping(e, t, r) {
1114
+ let i, n;
1115
+ if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
1116
+ throw new RangeError("The data size must not be greater than 125 bytes");
1117
+ const o = {
1118
+ [x]: i,
1119
+ fin: !0,
1120
+ generateMask: this._generateMask,
1121
+ mask: t,
1122
+ maskBuffer: this._maskBuffer,
1123
+ opcode: 9,
1124
+ readOnly: n,
1125
+ rsv1: !1
1126
+ };
1127
+ this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
1128
+ }
1129
+ /**
1130
+ * Sends a pong message to the other peer.
1131
+ *
1132
+ * @param {*} data The message to send
1133
+ * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
1134
+ * @param {Function} [cb] Callback
1135
+ * @public
1136
+ */
1137
+ pong(e, t, r) {
1138
+ let i, n;
1139
+ if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
1140
+ throw new RangeError("The data size must not be greater than 125 bytes");
1141
+ const o = {
1142
+ [x]: i,
1143
+ fin: !0,
1144
+ generateMask: this._generateMask,
1145
+ mask: t,
1146
+ maskBuffer: this._maskBuffer,
1147
+ opcode: 10,
1148
+ readOnly: n,
1149
+ rsv1: !1
1150
+ };
1151
+ this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
1152
+ }
1153
+ /**
1154
+ * Sends a data message to the other peer.
1155
+ *
1156
+ * @param {*} data The message to send
1157
+ * @param {Object} options Options object
1158
+ * @param {Boolean} [options.binary=false] Specifies whether `data` is binary
1159
+ * or text
1160
+ * @param {Boolean} [options.compress=false] Specifies whether or not to
1161
+ * compress `data`
1162
+ * @param {Boolean} [options.fin=false] Specifies whether the fragment is the
1163
+ * last one
1164
+ * @param {Boolean} [options.mask=false] Specifies whether or not to mask
1165
+ * `data`
1166
+ * @param {Function} [cb] Callback
1167
+ * @public
1168
+ */
1169
+ send(e, t, r) {
1170
+ const i = this._extensions[Ie.extensionName];
1171
+ let n = t.binary ? 2 : 1, o = t.compress, l, f;
1172
+ 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) {
1173
+ const a = {
1174
+ [x]: l,
1175
+ fin: t.fin,
1176
+ generateMask: this._generateMask,
1177
+ mask: t.mask,
1178
+ maskBuffer: this._maskBuffer,
1179
+ opcode: n,
1180
+ readOnly: f,
1181
+ rsv1: o
1182
+ };
1183
+ this._deflating ? this.enqueue([this.dispatch, e, this._compress, a, r]) : this.dispatch(e, this._compress, a, r);
1184
+ } else
1185
+ this.sendFrame(
1186
+ P.frame(e, {
1187
+ [x]: l,
1188
+ fin: t.fin,
1189
+ generateMask: this._generateMask,
1190
+ mask: t.mask,
1191
+ maskBuffer: this._maskBuffer,
1192
+ opcode: n,
1193
+ readOnly: f,
1194
+ rsv1: !1
1195
+ }),
1196
+ r
1197
+ );
1198
+ }
1199
+ /**
1200
+ * Dispatches a message.
1201
+ *
1202
+ * @param {(Buffer|String)} data The message to send
1203
+ * @param {Boolean} [compress=false] Specifies whether or not to compress
1204
+ * `data`
1205
+ * @param {Object} options Options object
1206
+ * @param {Boolean} [options.fin=false] Specifies whether or not to set the
1207
+ * FIN bit
1208
+ * @param {Function} [options.generateMask] The function used to generate the
1209
+ * masking key
1210
+ * @param {Boolean} [options.mask=false] Specifies whether or not to mask
1211
+ * `data`
1212
+ * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
1213
+ * key
1214
+ * @param {Number} options.opcode The opcode
1215
+ * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
1216
+ * modified
1217
+ * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
1218
+ * RSV1 bit
1219
+ * @param {Function} [cb] Callback
1220
+ * @private
1221
+ */
1222
+ dispatch(e, t, r, i) {
1223
+ if (!t) {
1224
+ this.sendFrame(P.frame(e, r), i);
1225
+ return;
1226
+ }
1227
+ const n = this._extensions[Ie.extensionName];
1228
+ this._bufferedBytes += r[x], this._deflating = !0, n.compress(e, r.fin, (o, l) => {
1229
+ if (this._socket.destroyed) {
1230
+ const f = new Error(
1231
+ "The socket was closed while data was being compressed"
1232
+ );
1233
+ typeof i == "function" && i(f);
1234
+ for (let a = 0; a < this._queue.length; a++) {
1235
+ const c = this._queue[a], h = c[c.length - 1];
1236
+ typeof h == "function" && h(f);
1237
+ }
1238
+ return;
1239
+ }
1240
+ this._bufferedBytes -= r[x], this._deflating = !1, r.readOnly = !1, this.sendFrame(P.frame(l, r), i), this.dequeue();
1241
+ });
1242
+ }
1243
+ /**
1244
+ * Executes queued send operations.
1245
+ *
1246
+ * @private
1247
+ */
1248
+ dequeue() {
1249
+ for (; !this._deflating && this._queue.length; ) {
1250
+ const e = this._queue.shift();
1251
+ this._bufferedBytes -= e[3][x], Reflect.apply(e[0], this, e.slice(1));
1252
+ }
1253
+ }
1254
+ /**
1255
+ * Enqueues a send operation.
1256
+ *
1257
+ * @param {Array} params Send operation parameters.
1258
+ * @private
1259
+ */
1260
+ enqueue(e) {
1261
+ this._bufferedBytes += e[3][x], this._queue.push(e);
1262
+ }
1263
+ /**
1264
+ * Sends a frame.
1265
+ *
1266
+ * @param {Buffer[]} list The frame to send
1267
+ * @param {Function} [cb] Callback
1268
+ * @private
1269
+ */
1270
+ sendFrame(e, t) {
1271
+ 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);
1272
+ }
1273
+ };
1274
+ var it = Jt;
1275
+ 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");
1276
+ class B {
1277
+ /**
1278
+ * Create a new `Event`.
1279
+ *
1280
+ * @param {String} type The name of the event
1281
+ * @throws {TypeError} If the `type` argument is not specified
1282
+ */
1283
+ constructor(e) {
1284
+ this[I] = null, this[Ve] = e;
1285
+ }
1286
+ /**
1287
+ * @type {*}
1288
+ */
1289
+ get target() {
1290
+ return this[I];
1291
+ }
1292
+ /**
1293
+ * @type {String}
1294
+ */
1295
+ get type() {
1296
+ return this[Ve];
1297
+ }
1298
+ }
1299
+ Object.defineProperty(B.prototype, "target", { enumerable: !0 });
1300
+ Object.defineProperty(B.prototype, "type", { enumerable: !0 });
1301
+ class Y extends B {
1302
+ /**
1303
+ * Create a new `CloseEvent`.
1304
+ *
1305
+ * @param {String} type The name of the event
1306
+ * @param {Object} [options] A dictionary object that allows for setting
1307
+ * attributes via object members of the same name
1308
+ * @param {Number} [options.code=0] The status code explaining why the
1309
+ * connection was closed
1310
+ * @param {String} [options.reason=''] A human-readable string explaining why
1311
+ * the connection was closed
1312
+ * @param {Boolean} [options.wasClean=false] Indicates whether or not the
1313
+ * connection was cleanly closed
1314
+ */
1315
+ constructor(e, t = {}) {
1316
+ 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;
1317
+ }
1318
+ /**
1319
+ * @type {Number}
1320
+ */
1321
+ get code() {
1322
+ return this[We];
1323
+ }
1324
+ /**
1325
+ * @type {String}
1326
+ */
1327
+ get reason() {
1328
+ return this[Ge];
1329
+ }
1330
+ /**
1331
+ * @type {Boolean}
1332
+ */
1333
+ get wasClean() {
1334
+ return this[He];
1335
+ }
1336
+ }
1337
+ Object.defineProperty(Y.prototype, "code", { enumerable: !0 });
1338
+ Object.defineProperty(Y.prototype, "reason", { enumerable: !0 });
1339
+ Object.defineProperty(Y.prototype, "wasClean", { enumerable: !0 });
1340
+ class le extends B {
1341
+ /**
1342
+ * Create a new `ErrorEvent`.
1343
+ *
1344
+ * @param {String} type The name of the event
1345
+ * @param {Object} [options] A dictionary object that allows for setting
1346
+ * attributes via object members of the same name
1347
+ * @param {*} [options.error=null] The error that generated this event
1348
+ * @param {String} [options.message=''] The error message
1349
+ */
1350
+ constructor(e, t = {}) {
1351
+ super(e), this[Fe] = t.error === void 0 ? null : t.error, this[je] = t.message === void 0 ? "" : t.message;
1352
+ }
1353
+ /**
1354
+ * @type {*}
1355
+ */
1356
+ get error() {
1357
+ return this[Fe];
1358
+ }
1359
+ /**
1360
+ * @type {String}
1361
+ */
1362
+ get message() {
1363
+ return this[je];
1364
+ }
1365
+ }
1366
+ Object.defineProperty(le.prototype, "error", { enumerable: !0 });
1367
+ Object.defineProperty(le.prototype, "message", { enumerable: !0 });
1368
+ class xe extends B {
1369
+ /**
1370
+ * Create a new `MessageEvent`.
1371
+ *
1372
+ * @param {String} type The name of the event
1373
+ * @param {Object} [options] A dictionary object that allows for setting
1374
+ * attributes via object members of the same name
1375
+ * @param {*} [options.data=null] The message content
1376
+ */
1377
+ constructor(e, t = {}) {
1378
+ super(e), this[Ae] = t.data === void 0 ? null : t.data;
1379
+ }
1380
+ /**
1381
+ * @type {*}
1382
+ */
1383
+ get data() {
1384
+ return this[Ae];
1385
+ }
1386
+ }
1387
+ Object.defineProperty(xe.prototype, "data", { enumerable: !0 });
1388
+ const es = {
1389
+ /**
1390
+ * Register an event listener.
1391
+ *
1392
+ * @param {String} type A string representing the event type to listen for
1393
+ * @param {(Function|Object)} handler The listener to add
1394
+ * @param {Object} [options] An options object specifies characteristics about
1395
+ * the event listener
1396
+ * @param {Boolean} [options.once=false] A `Boolean` indicating that the
1397
+ * listener should be invoked at most once after being added. If `true`,
1398
+ * the listener would be automatically removed when invoked.
1399
+ * @public
1400
+ */
1401
+ addEventListener(s, e, t = {}) {
1402
+ for (const i of this.listeners(s))
1403
+ if (!t[F] && i[pe] === e && !i[F])
1404
+ return;
1405
+ let r;
1406
+ if (s === "message")
1407
+ r = function(n, o) {
1408
+ const l = new xe("message", {
1409
+ data: o ? n : n.toString()
1410
+ });
1411
+ l[I] = this, Z(e, this, l);
1412
+ };
1413
+ else if (s === "close")
1414
+ r = function(n, o) {
1415
+ const l = new Y("close", {
1416
+ code: n,
1417
+ reason: o.toString(),
1418
+ wasClean: this._closeFrameReceived && this._closeFrameSent
1419
+ });
1420
+ l[I] = this, Z(e, this, l);
1421
+ };
1422
+ else if (s === "error")
1423
+ r = function(n) {
1424
+ const o = new le("error", {
1425
+ error: n,
1426
+ message: n.message
1427
+ });
1428
+ o[I] = this, Z(e, this, o);
1429
+ };
1430
+ else if (s === "open")
1431
+ r = function() {
1432
+ const n = new B("open");
1433
+ n[I] = this, Z(e, this, n);
1434
+ };
1435
+ else
1436
+ return;
1437
+ r[F] = !!t[F], r[pe] = e, t.once ? this.once(s, r) : this.on(s, r);
1438
+ },
1439
+ /**
1440
+ * Remove an event listener.
1441
+ *
1442
+ * @param {String} type A string representing the event type to remove
1443
+ * @param {(Function|Object)} handler The listener to remove
1444
+ * @public
1445
+ */
1446
+ removeEventListener(s, e) {
1447
+ for (const t of this.listeners(s))
1448
+ if (t[pe] === e && !t[F]) {
1449
+ this.removeListener(s, t);
1450
+ break;
1451
+ }
1452
+ }
1453
+ };
1454
+ var ts = {
1455
+ CloseEvent: Y,
1456
+ ErrorEvent: le,
1457
+ Event: B,
1458
+ EventTarget: es,
1459
+ MessageEvent: xe
1460
+ };
1461
+ function Z(s, e, t) {
1462
+ typeof s == "object" && s.handleEvent ? s.handleEvent.call(s, t) : s.call(e, t);
1463
+ }
1464
+ const { tokenChars: j } = ae;
1465
+ function k(s, e, t) {
1466
+ s[e] === void 0 ? s[e] = [t] : s[e].push(t);
1467
+ }
1468
+ function ss(s) {
1469
+ const e = /* @__PURE__ */ Object.create(null);
1470
+ let t = /* @__PURE__ */ Object.create(null), r = !1, i = !1, n = !1, o, l, f = -1, a = -1, c = -1, h = 0;
1471
+ for (; h < s.length; h++)
1472
+ if (a = s.charCodeAt(h), o === void 0)
1473
+ if (c === -1 && j[a] === 1)
1474
+ f === -1 && (f = h);
1475
+ else if (h !== 0 && (a === 32 || a === 9))
1476
+ c === -1 && f !== -1 && (c = h);
1477
+ else if (a === 59 || a === 44) {
1478
+ if (f === -1)
1479
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1480
+ c === -1 && (c = h);
1481
+ const v = s.slice(f, c);
1482
+ a === 44 ? (k(e, v, t), t = /* @__PURE__ */ Object.create(null)) : o = v, f = c = -1;
1483
+ } else
1484
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1485
+ else if (l === void 0)
1486
+ if (c === -1 && j[a] === 1)
1487
+ f === -1 && (f = h);
1488
+ else if (a === 32 || a === 9)
1489
+ c === -1 && f !== -1 && (c = h);
1490
+ else if (a === 59 || a === 44) {
1491
+ if (f === -1)
1492
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1493
+ 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;
1494
+ } else if (a === 61 && f !== -1 && c === -1)
1495
+ l = s.slice(f, h), f = c = -1;
1496
+ else
1497
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1498
+ else if (i) {
1499
+ if (j[a] !== 1)
1500
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1501
+ f === -1 ? f = h : r || (r = !0), i = !1;
1502
+ } else if (n)
1503
+ if (j[a] === 1)
1504
+ f === -1 && (f = h);
1505
+ else if (a === 34 && f !== -1)
1506
+ n = !1, c = h;
1507
+ else if (a === 92)
1508
+ i = !0;
1509
+ else
1510
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1511
+ else if (a === 34 && s.charCodeAt(h - 1) === 61)
1512
+ n = !0;
1513
+ else if (c === -1 && j[a] === 1)
1514
+ f === -1 && (f = h);
1515
+ else if (f !== -1 && (a === 32 || a === 9))
1516
+ c === -1 && (c = h);
1517
+ else if (a === 59 || a === 44) {
1518
+ if (f === -1)
1519
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1520
+ c === -1 && (c = h);
1521
+ let v = s.slice(f, c);
1522
+ 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;
1523
+ } else
1524
+ throw new SyntaxError(`Unexpected character at index ${h}`);
1525
+ if (f === -1 || n || a === 32 || a === 9)
1526
+ throw new SyntaxError("Unexpected end of input");
1527
+ c === -1 && (c = h);
1528
+ const p = s.slice(f, c);
1529
+ return o === void 0 ? k(e, p, t) : (l === void 0 ? k(t, p, !0) : r ? k(t, l, p.replace(/\\/g, "")) : k(t, l, p), k(e, o, t)), e;
1530
+ }
1531
+ function rs(s) {
1532
+ return Object.keys(s).map((e) => {
1533
+ let t = s[e];
1534
+ return Array.isArray(t) || (t = [t]), t.map((r) => [e].concat(
1535
+ Object.keys(r).map((i) => {
1536
+ let n = r[i];
1537
+ return Array.isArray(n) || (n = [n]), n.map((o) => o === !0 ? i : `${i}=${o}`).join("; ");
1538
+ })
1539
+ ).join("; ")).join(", ");
1540
+ }).join(", ");
1541
+ }
1542
+ var nt = { format: rs, parse: ss };
1543
+ const is = S, ns = S, os = S, ot = S, as = S, { randomBytes: ls, createHash: fs } = S, { URL: me } = S, T = oe, hs = rt, cs = it, {
1544
+ BINARY_TYPES: ze,
1545
+ EMPTY_BUFFER: Q,
1546
+ GUID: us,
1547
+ kForOnEventAttribute: ge,
1548
+ kListener: ds,
1549
+ kStatusCode: _s,
1550
+ kWebSocket: y,
1551
+ NOOP: at
1552
+ } = U, {
1553
+ EventTarget: { addEventListener: ps, removeEventListener: ms }
1554
+ } = ts, { format: gs, parse: ys } = nt, { toBuffer: vs } = ne, Ss = 30 * 1e3, lt = Symbol("kAborted"), ye = [8, 13], O = ["CONNECTING", "OPEN", "CLOSING", "CLOSED"], Es = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/;
1555
+ let m = class d extends is {
1556
+ /**
1557
+ * Create a new `WebSocket`.
1558
+ *
1559
+ * @param {(String|URL)} address The URL to which to connect
1560
+ * @param {(String|String[])} [protocols] The subprotocols
1561
+ * @param {Object} [options] Connection options
1562
+ */
1563
+ constructor(e, t, r) {
1564
+ 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;
1565
+ }
1566
+ /**
1567
+ * This deviates from the WHATWG interface since ws doesn't support the
1568
+ * required default "blob" type (instead we define a custom "nodebuffer"
1569
+ * type).
1570
+ *
1571
+ * @type {String}
1572
+ */
1573
+ get binaryType() {
1574
+ return this._binaryType;
1575
+ }
1576
+ set binaryType(e) {
1577
+ ze.includes(e) && (this._binaryType = e, this._receiver && (this._receiver._binaryType = e));
1578
+ }
1579
+ /**
1580
+ * @type {Number}
1581
+ */
1582
+ get bufferedAmount() {
1583
+ return this._socket ? this._socket._writableState.length + this._sender._bufferedBytes : this._bufferedAmount;
1584
+ }
1585
+ /**
1586
+ * @type {String}
1587
+ */
1588
+ get extensions() {
1589
+ return Object.keys(this._extensions).join();
1590
+ }
1591
+ /**
1592
+ * @type {Boolean}
1593
+ */
1594
+ get isPaused() {
1595
+ return this._paused;
1596
+ }
1597
+ /**
1598
+ * @type {Function}
1599
+ */
1600
+ /* istanbul ignore next */
1601
+ get onclose() {
1602
+ return null;
1603
+ }
1604
+ /**
1605
+ * @type {Function}
1606
+ */
1607
+ /* istanbul ignore next */
1608
+ get onerror() {
1609
+ return null;
1610
+ }
1611
+ /**
1612
+ * @type {Function}
1613
+ */
1614
+ /* istanbul ignore next */
1615
+ get onopen() {
1616
+ return null;
1617
+ }
1618
+ /**
1619
+ * @type {Function}
1620
+ */
1621
+ /* istanbul ignore next */
1622
+ get onmessage() {
1623
+ return null;
1624
+ }
1625
+ /**
1626
+ * @type {String}
1627
+ */
1628
+ get protocol() {
1629
+ return this._protocol;
1630
+ }
1631
+ /**
1632
+ * @type {Number}
1633
+ */
1634
+ get readyState() {
1635
+ return this._readyState;
1636
+ }
1637
+ /**
1638
+ * @type {String}
1639
+ */
1640
+ get url() {
1641
+ return this._url;
1642
+ }
1643
+ /**
1644
+ * Set up the socket and the internal resources.
1645
+ *
1646
+ * @param {(net.Socket|tls.Socket)} socket The network socket between the
1647
+ * server and client
1648
+ * @param {Buffer} head The first packet of the upgraded stream
1649
+ * @param {Object} options Options object
1650
+ * @param {Function} [options.generateMask] The function used to generate the
1651
+ * masking key
1652
+ * @param {Number} [options.maxPayload=0] The maximum allowed message size
1653
+ * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
1654
+ * not to skip UTF-8 validation for text and close messages
1655
+ * @private
1656
+ */
1657
+ setSocket(e, t, r) {
1658
+ const i = new hs({
1659
+ binaryType: this.binaryType,
1660
+ extensions: this._extensions,
1661
+ isServer: this._isServer,
1662
+ maxPayload: r.maxPayload,
1663
+ skipUTF8Validation: r.skipUTF8Validation
1664
+ });
1665
+ 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");
1666
+ }
1667
+ /**
1668
+ * Emit the `'close'` event.
1669
+ *
1670
+ * @private
1671
+ */
1672
+ emitClose() {
1673
+ if (!this._socket) {
1674
+ this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
1675
+ return;
1676
+ }
1677
+ this._extensions[T.extensionName] && this._extensions[T.extensionName].cleanup(), this._receiver.removeAllListeners(), this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
1678
+ }
1679
+ /**
1680
+ * Start a closing handshake.
1681
+ *
1682
+ * +----------+ +-----------+ +----------+
1683
+ * - - -|ws.close()|-->|close frame|-->|ws.close()|- - -
1684
+ * | +----------+ +-----------+ +----------+ |
1685
+ * +----------+ +-----------+ |
1686
+ * CLOSING |ws.close()|<--|close frame|<--+-----+ CLOSING
1687
+ * +----------+ +-----------+ |
1688
+ * | | | +---+ |
1689
+ * +------------------------+-->|fin| - - - -
1690
+ * | +---+ | +---+
1691
+ * - - - - -|fin|<---------------------+
1692
+ * +---+
1693
+ *
1694
+ * @param {Number} [code] Status code explaining why the connection is closing
1695
+ * @param {(String|Buffer)} [data] The reason why the connection is
1696
+ * closing
1697
+ * @public
1698
+ */
1699
+ close(e, t) {
1700
+ if (this.readyState !== d.CLOSED) {
1701
+ if (this.readyState === d.CONNECTING) {
1702
+ const r = "WebSocket was closed before the connection was established";
1703
+ b(this, this._req, r);
1704
+ return;
1705
+ }
1706
+ if (this.readyState === d.CLOSING) {
1707
+ this._closeFrameSent && (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end();
1708
+ return;
1709
+ }
1710
+ this._readyState = d.CLOSING, this._sender.close(e, t, !this._isServer, (r) => {
1711
+ r || (this._closeFrameSent = !0, (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end());
1712
+ }), this._closeTimer = setTimeout(
1713
+ this._socket.destroy.bind(this._socket),
1714
+ Ss
1715
+ );
1716
+ }
1717
+ }
1718
+ /**
1719
+ * Pause the socket.
1720
+ *
1721
+ * @public
1722
+ */
1723
+ pause() {
1724
+ this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !0, this._socket.pause());
1725
+ }
1726
+ /**
1727
+ * Send a ping.
1728
+ *
1729
+ * @param {*} [data] The data to send
1730
+ * @param {Boolean} [mask] Indicates whether or not to mask `data`
1731
+ * @param {Function} [cb] Callback which is executed when the ping is sent
1732
+ * @public
1733
+ */
1734
+ ping(e, t, r) {
1735
+ if (this.readyState === d.CONNECTING)
1736
+ throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
1737
+ 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) {
1738
+ ve(this, e, r);
1739
+ return;
1740
+ }
1741
+ t === void 0 && (t = !this._isServer), this._sender.ping(e || Q, t, r);
1742
+ }
1743
+ /**
1744
+ * Send a pong.
1745
+ *
1746
+ * @param {*} [data] The data to send
1747
+ * @param {Boolean} [mask] Indicates whether or not to mask `data`
1748
+ * @param {Function} [cb] Callback which is executed when the pong is sent
1749
+ * @public
1750
+ */
1751
+ pong(e, t, r) {
1752
+ if (this.readyState === d.CONNECTING)
1753
+ throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
1754
+ 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) {
1755
+ ve(this, e, r);
1756
+ return;
1757
+ }
1758
+ t === void 0 && (t = !this._isServer), this._sender.pong(e || Q, t, r);
1759
+ }
1760
+ /**
1761
+ * Resume the socket.
1762
+ *
1763
+ * @public
1764
+ */
1765
+ resume() {
1766
+ this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !1, this._receiver._writableState.needDrain || this._socket.resume());
1767
+ }
1768
+ /**
1769
+ * Send a data message.
1770
+ *
1771
+ * @param {*} data The message to send
1772
+ * @param {Object} [options] Options object
1773
+ * @param {Boolean} [options.binary] Specifies whether `data` is binary or
1774
+ * text
1775
+ * @param {Boolean} [options.compress] Specifies whether or not to compress
1776
+ * `data`
1777
+ * @param {Boolean} [options.fin=true] Specifies whether the fragment is the
1778
+ * last one
1779
+ * @param {Boolean} [options.mask] Specifies whether or not to mask `data`
1780
+ * @param {Function} [cb] Callback which is executed when data is written out
1781
+ * @public
1782
+ */
1783
+ send(e, t, r) {
1784
+ if (this.readyState === d.CONNECTING)
1785
+ throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
1786
+ if (typeof t == "function" && (r = t, t = {}), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
1787
+ ve(this, e, r);
1788
+ return;
1789
+ }
1790
+ const i = {
1791
+ binary: typeof e != "string",
1792
+ mask: !this._isServer,
1793
+ compress: !0,
1794
+ fin: !0,
1795
+ ...t
1796
+ };
1797
+ this._extensions[T.extensionName] || (i.compress = !1), this._sender.send(e || Q, i, r);
1798
+ }
1799
+ /**
1800
+ * Forcibly close the connection.
1801
+ *
1802
+ * @public
1803
+ */
1804
+ terminate() {
1805
+ if (this.readyState !== d.CLOSED) {
1806
+ if (this.readyState === d.CONNECTING) {
1807
+ const e = "WebSocket was closed before the connection was established";
1808
+ b(this, this._req, e);
1809
+ return;
1810
+ }
1811
+ this._socket && (this._readyState = d.CLOSING, this._socket.destroy());
1812
+ }
1813
+ }
1814
+ };
1815
+ Object.defineProperty(m, "CONNECTING", {
1816
+ enumerable: !0,
1817
+ value: O.indexOf("CONNECTING")
1818
+ });
1819
+ Object.defineProperty(m.prototype, "CONNECTING", {
1820
+ enumerable: !0,
1821
+ value: O.indexOf("CONNECTING")
1822
+ });
1823
+ Object.defineProperty(m, "OPEN", {
1824
+ enumerable: !0,
1825
+ value: O.indexOf("OPEN")
1826
+ });
1827
+ Object.defineProperty(m.prototype, "OPEN", {
1828
+ enumerable: !0,
1829
+ value: O.indexOf("OPEN")
1830
+ });
1831
+ Object.defineProperty(m, "CLOSING", {
1832
+ enumerable: !0,
1833
+ value: O.indexOf("CLOSING")
1834
+ });
1835
+ Object.defineProperty(m.prototype, "CLOSING", {
1836
+ enumerable: !0,
1837
+ value: O.indexOf("CLOSING")
1838
+ });
1839
+ Object.defineProperty(m, "CLOSED", {
1840
+ enumerable: !0,
1841
+ value: O.indexOf("CLOSED")
1842
+ });
1843
+ Object.defineProperty(m.prototype, "CLOSED", {
1844
+ enumerable: !0,
1845
+ value: O.indexOf("CLOSED")
1846
+ });
1847
+ [
1848
+ "binaryType",
1849
+ "bufferedAmount",
1850
+ "extensions",
1851
+ "isPaused",
1852
+ "protocol",
1853
+ "readyState",
1854
+ "url"
1855
+ ].forEach((s) => {
1856
+ Object.defineProperty(m.prototype, s, { enumerable: !0 });
1857
+ });
1858
+ ["open", "error", "close", "message"].forEach((s) => {
1859
+ Object.defineProperty(m.prototype, `on${s}`, {
1860
+ enumerable: !0,
1861
+ get() {
1862
+ for (const e of this.listeners(s))
1863
+ if (e[ge])
1864
+ return e[ds];
1865
+ return null;
1866
+ },
1867
+ set(e) {
1868
+ for (const t of this.listeners(s))
1869
+ if (t[ge]) {
1870
+ this.removeListener(s, t);
1871
+ break;
1872
+ }
1873
+ typeof e == "function" && this.addEventListener(s, e, {
1874
+ [ge]: !0
1875
+ });
1876
+ }
1877
+ });
1878
+ });
1879
+ m.prototype.addEventListener = ps;
1880
+ m.prototype.removeEventListener = ms;
1881
+ var ft = m;
1882
+ function ht(s, e, t, r) {
1883
+ const i = {
1884
+ protocolVersion: ye[1],
1885
+ maxPayload: 104857600,
1886
+ skipUTF8Validation: !1,
1887
+ perMessageDeflate: !0,
1888
+ followRedirects: !1,
1889
+ maxRedirects: 10,
1890
+ ...r,
1891
+ createConnection: void 0,
1892
+ socketPath: void 0,
1893
+ hostname: void 0,
1894
+ protocol: void 0,
1895
+ timeout: void 0,
1896
+ method: "GET",
1897
+ host: void 0,
1898
+ path: void 0,
1899
+ port: void 0
1900
+ };
1901
+ if (!ye.includes(i.protocolVersion))
1902
+ throw new RangeError(
1903
+ `Unsupported protocol version: ${i.protocolVersion} (supported versions: ${ye.join(", ")})`
1904
+ );
1905
+ let n;
1906
+ if (e instanceof me)
1907
+ n = e, s._url = e.href;
1908
+ else {
1909
+ try {
1910
+ n = new me(e);
1911
+ } catch {
1912
+ throw new SyntaxError(`Invalid URL: ${e}`);
1913
+ }
1914
+ s._url = e;
1915
+ }
1916
+ const o = n.protocol === "wss:", l = n.protocol === "ws+unix:";
1917
+ let f;
1918
+ if (n.protocol !== "ws:" && !o && !l ? f = `The URL's protocol must be one of "ws:", "wss:", or "ws+unix:"` : l && !n.pathname ? f = "The URL's pathname is empty" : n.hash && (f = "The URL contains a fragment identifier"), f) {
1919
+ const u = new SyntaxError(f);
1920
+ if (s._redirects === 0)
1921
+ throw u;
1922
+ ee(s, u);
1923
+ return;
1924
+ }
1925
+ const a = o ? 443 : 80, c = ls(16).toString("base64"), h = o ? ns.request : os.request, p = /* @__PURE__ */ new Set();
1926
+ let v;
1927
+ if (i.createConnection = o ? xs : bs, i.defaultPort = i.defaultPort || a, i.port = n.port || a, i.host = n.hostname.startsWith("[") ? n.hostname.slice(1, -1) : n.hostname, i.headers = {
1928
+ ...i.headers,
1929
+ "Sec-WebSocket-Version": i.protocolVersion,
1930
+ "Sec-WebSocket-Key": c,
1931
+ Connection: "Upgrade",
1932
+ Upgrade: "websocket"
1933
+ }, i.path = n.pathname + n.search, i.timeout = i.handshakeTimeout, i.perMessageDeflate && (v = new T(
1934
+ i.perMessageDeflate !== !0 ? i.perMessageDeflate : {},
1935
+ !1,
1936
+ i.maxPayload
1937
+ ), i.headers["Sec-WebSocket-Extensions"] = gs({
1938
+ [T.extensionName]: v.offer()
1939
+ })), t.length) {
1940
+ for (const u of t) {
1941
+ if (typeof u != "string" || !Es.test(u) || p.has(u))
1942
+ throw new SyntaxError(
1943
+ "An invalid or duplicated subprotocol was specified"
1944
+ );
1945
+ p.add(u);
1946
+ }
1947
+ i.headers["Sec-WebSocket-Protocol"] = t.join(",");
1948
+ }
1949
+ if (i.origin && (i.protocolVersion < 13 ? i.headers["Sec-WebSocket-Origin"] = i.origin : i.headers.Origin = i.origin), (n.username || n.password) && (i.auth = `${n.username}:${n.password}`), l) {
1950
+ const u = i.path.split(":");
1951
+ i.socketPath = u[0], i.path = u[1];
1952
+ }
1953
+ let _;
1954
+ if (i.followRedirects) {
1955
+ if (s._redirects === 0) {
1956
+ s._originalIpc = l, s._originalSecure = o, s._originalHostOrSocketPath = l ? i.socketPath : n.host;
1957
+ const u = r && r.headers;
1958
+ if (r = { ...r, headers: {} }, u)
1959
+ for (const [E, $] of Object.entries(u))
1960
+ r.headers[E.toLowerCase()] = $;
1961
+ } else if (s.listenerCount("redirect") === 0) {
1962
+ const u = l ? s._originalIpc ? i.socketPath === s._originalHostOrSocketPath : !1 : s._originalIpc ? !1 : n.host === s._originalHostOrSocketPath;
1963
+ (!u || s._originalSecure && !o) && (delete i.headers.authorization, delete i.headers.cookie, u || delete i.headers.host, i.auth = void 0);
1964
+ }
1965
+ 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, _);
1966
+ } else
1967
+ _ = s._req = h(i);
1968
+ i.timeout && _.on("timeout", () => {
1969
+ b(s, _, "Opening handshake has timed out");
1970
+ }), _.on("error", (u) => {
1971
+ _ === null || _[lt] || (_ = s._req = null, ee(s, u));
1972
+ }), _.on("response", (u) => {
1973
+ const E = u.headers.location, $ = u.statusCode;
1974
+ if (E && i.followRedirects && $ >= 300 && $ < 400) {
1975
+ if (++s._redirects > i.maxRedirects) {
1976
+ b(s, _, "Maximum redirects exceeded");
1977
+ return;
1978
+ }
1979
+ _.abort();
1980
+ let q;
1981
+ try {
1982
+ q = new me(E, e);
1983
+ } catch {
1984
+ const L = new SyntaxError(`Invalid URL: ${E}`);
1985
+ ee(s, L);
1986
+ return;
1987
+ }
1988
+ ht(s, q, t, r);
1989
+ } else
1990
+ s.emit("unexpected-response", _, u) || b(
1991
+ s,
1992
+ _,
1993
+ `Unexpected server response: ${u.statusCode}`
1994
+ );
1995
+ }), _.on("upgrade", (u, E, $) => {
1996
+ if (s.emit("upgrade", u), s.readyState !== m.CONNECTING)
1997
+ return;
1998
+ if (_ = s._req = null, u.headers.upgrade.toLowerCase() !== "websocket") {
1999
+ b(s, E, "Invalid Upgrade header");
2000
+ return;
2001
+ }
2002
+ const q = fs("sha1").update(c + us).digest("base64");
2003
+ if (u.headers["sec-websocket-accept"] !== q) {
2004
+ b(s, E, "Invalid Sec-WebSocket-Accept header");
2005
+ return;
2006
+ }
2007
+ const D = u.headers["sec-websocket-protocol"];
2008
+ let L;
2009
+ 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) {
2010
+ b(s, E, L);
2011
+ return;
2012
+ }
2013
+ D && (s._protocol = D);
2014
+ const ke = u.headers["sec-websocket-extensions"];
2015
+ if (ke !== void 0) {
2016
+ if (!v) {
2017
+ b(s, E, "Server sent a Sec-WebSocket-Extensions header but no extension was requested");
2018
+ return;
2019
+ }
2020
+ let he;
2021
+ try {
2022
+ he = ys(ke);
2023
+ } catch {
2024
+ b(s, E, "Invalid Sec-WebSocket-Extensions header");
2025
+ return;
2026
+ }
2027
+ const we = Object.keys(he);
2028
+ if (we.length !== 1 || we[0] !== T.extensionName) {
2029
+ b(s, E, "Server indicated an extension that was not requested");
2030
+ return;
2031
+ }
2032
+ try {
2033
+ v.accept(he[T.extensionName]);
2034
+ } catch {
2035
+ b(s, E, "Invalid Sec-WebSocket-Extensions header");
2036
+ return;
2037
+ }
2038
+ s._extensions[T.extensionName] = v;
2039
+ }
2040
+ s.setSocket(E, $, {
2041
+ generateMask: i.generateMask,
2042
+ maxPayload: i.maxPayload,
2043
+ skipUTF8Validation: i.skipUTF8Validation
2044
+ });
2045
+ }), i.finishRequest ? i.finishRequest(_, s) : _.end();
2046
+ }
2047
+ function ee(s, e) {
2048
+ s._readyState = m.CLOSING, s.emit("error", e), s.emitClose();
2049
+ }
2050
+ function bs(s) {
2051
+ return s.path = s.socketPath, ot.connect(s);
2052
+ }
2053
+ function xs(s) {
2054
+ return s.path = void 0, !s.servername && s.servername !== "" && (s.servername = ot.isIP(s.host) ? "" : s.host), as.connect(s);
2055
+ }
2056
+ function b(s, e, t) {
2057
+ s._readyState = m.CLOSING;
2058
+ const r = new Error(t);
2059
+ 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)));
2060
+ }
2061
+ function ve(s, e, t) {
2062
+ if (e) {
2063
+ const r = vs(e).length;
2064
+ s._socket ? s._sender._bufferedBytes += r : s._bufferedAmount += r;
2065
+ }
2066
+ if (t) {
2067
+ const r = new Error(
2068
+ `WebSocket is not open: readyState ${s.readyState} (${O[s.readyState]})`
2069
+ );
2070
+ process.nextTick(t, r);
2071
+ }
2072
+ }
2073
+ function ks(s, e) {
2074
+ const t = this[y];
2075
+ 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));
2076
+ }
2077
+ function ws() {
2078
+ const s = this[y];
2079
+ s.isPaused || s._socket.resume();
2080
+ }
2081
+ function Os(s) {
2082
+ const e = this[y];
2083
+ e._socket[y] !== void 0 && (e._socket.removeListener("data", fe), process.nextTick(ct, e._socket), e.close(s[_s])), e.emit("error", s);
2084
+ }
2085
+ function Ye() {
2086
+ this[y].emitClose();
2087
+ }
2088
+ function Cs(s, e) {
2089
+ this[y].emit("message", s, e);
2090
+ }
2091
+ function Ts(s) {
2092
+ const e = this[y];
2093
+ e.pong(s, !e._isServer, at), e.emit("ping", s);
2094
+ }
2095
+ function Ls(s) {
2096
+ this[y].emit("pong", s);
2097
+ }
2098
+ function ct(s) {
2099
+ s.resume();
2100
+ }
2101
+ function ut() {
2102
+ const s = this[y];
2103
+ this.removeListener("close", ut), this.removeListener("data", fe), this.removeListener("end", dt), s._readyState = m.CLOSING;
2104
+ let e;
2105
+ !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));
2106
+ }
2107
+ function fe(s) {
2108
+ this[y]._receiver.write(s) || this.pause();
2109
+ }
2110
+ function dt() {
2111
+ const s = this[y];
2112
+ s._readyState = m.CLOSING, s._receiver.end(), this.end();
2113
+ }
2114
+ function _t() {
2115
+ const s = this[y];
2116
+ this.removeListener("error", _t), this.on("error", at), s && (s._readyState = m.CLOSING, this.destroy());
2117
+ }
2118
+ const Xs = /* @__PURE__ */ z(ft), { tokenChars: Ns } = ae;
2119
+ function Ps(s) {
2120
+ const e = /* @__PURE__ */ new Set();
2121
+ let t = -1, r = -1, i = 0;
2122
+ for (i; i < s.length; i++) {
2123
+ const o = s.charCodeAt(i);
2124
+ if (r === -1 && Ns[o] === 1)
2125
+ t === -1 && (t = i);
2126
+ else if (i !== 0 && (o === 32 || o === 9))
2127
+ r === -1 && t !== -1 && (r = i);
2128
+ else if (o === 44) {
2129
+ if (t === -1)
2130
+ throw new SyntaxError(`Unexpected character at index ${i}`);
2131
+ r === -1 && (r = i);
2132
+ const l = s.slice(t, r);
2133
+ if (e.has(l))
2134
+ throw new SyntaxError(`The "${l}" subprotocol is duplicated`);
2135
+ e.add(l), t = r = -1;
2136
+ } else
2137
+ throw new SyntaxError(`Unexpected character at index ${i}`);
2138
+ }
2139
+ if (t === -1 || r !== -1)
2140
+ throw new SyntaxError("Unexpected end of input");
2141
+ const n = s.slice(t, i);
2142
+ if (e.has(n))
2143
+ throw new SyntaxError(`The "${n}" subprotocol is duplicated`);
2144
+ return e.add(n), e;
2145
+ }
2146
+ var Rs = { parse: Ps };
2147
+ 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;
2148
+ class As extends Us {
2149
+ /**
2150
+ * Create a `WebSocketServer` instance.
2151
+ *
2152
+ * @param {Object} options Configuration options
2153
+ * @param {Number} [options.backlog=511] The maximum length of the queue of
2154
+ * pending connections
2155
+ * @param {Boolean} [options.clientTracking=true] Specifies whether or not to
2156
+ * track clients
2157
+ * @param {Function} [options.handleProtocols] A hook to handle protocols
2158
+ * @param {String} [options.host] The hostname where to bind the server
2159
+ * @param {Number} [options.maxPayload=104857600] The maximum allowed message
2160
+ * size
2161
+ * @param {Boolean} [options.noServer=false] Enable no server mode
2162
+ * @param {String} [options.path] Accept only connections matching this path
2163
+ * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable
2164
+ * permessage-deflate
2165
+ * @param {Number} [options.port] The port where to bind the server
2166
+ * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S
2167
+ * server to use
2168
+ * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
2169
+ * not to skip UTF-8 validation for text and close messages
2170
+ * @param {Function} [options.verifyClient] A hook to reject connections
2171
+ * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket`
2172
+ * class to use. It must be the `WebSocket` class or class that extends it
2173
+ * @param {Function} [callback] A listener for the `listening` event
2174
+ */
2175
+ constructor(e, t) {
2176
+ if (super(), e = {
2177
+ maxPayload: 100 * 1024 * 1024,
2178
+ skipUTF8Validation: !1,
2179
+ perMessageDeflate: !1,
2180
+ handleProtocols: null,
2181
+ clientTracking: !0,
2182
+ verifyClient: null,
2183
+ noServer: !1,
2184
+ backlog: null,
2185
+ // use default (511 as implemented in net.js)
2186
+ server: null,
2187
+ host: null,
2188
+ path: null,
2189
+ port: null,
2190
+ WebSocket: Ms,
2191
+ ...e
2192
+ }, e.port == null && !e.server && !e.noServer || e.port != null && (e.server || e.noServer) || e.server && e.noServer)
2193
+ throw new TypeError(
2194
+ 'One and only one of the "port", "server", or "noServer" options must be specified'
2195
+ );
2196
+ if (e.port != null ? (this._server = ie.createServer((r, i) => {
2197
+ const n = ie.STATUS_CODES[426];
2198
+ i.writeHead(426, {
2199
+ "Content-Length": n.length,
2200
+ "Content-Type": "text/plain"
2201
+ }), i.end(n);
2202
+ }), this._server.listen(
2203
+ e.port,
2204
+ e.host,
2205
+ e.backlog,
2206
+ t
2207
+ )) : e.server && (this._server = e.server), this._server) {
2208
+ const r = this.emit.bind(this, "connection");
2209
+ this._removeListeners = js(this._server, {
2210
+ listening: this.emit.bind(this, "listening"),
2211
+ error: this.emit.bind(this, "error"),
2212
+ upgrade: (i, n, o) => {
2213
+ this.handleUpgrade(i, n, o, r);
2214
+ }
2215
+ });
2216
+ }
2217
+ e.perMessageDeflate === !0 && (e.perMessageDeflate = {}), e.clientTracking && (this.clients = /* @__PURE__ */ new Set(), this._shouldEmitClose = !1), this.options = e, this._state = Ke;
2218
+ }
2219
+ /**
2220
+ * Returns the bound address, the address family name, and port of the server
2221
+ * as reported by the operating system if listening on an IP socket.
2222
+ * If the server is listening on a pipe or UNIX domain socket, the name is
2223
+ * returned as a string.
2224
+ *
2225
+ * @return {(Object|String|null)} The address of the server
2226
+ * @public
2227
+ */
2228
+ address() {
2229
+ if (this.options.noServer)
2230
+ throw new Error('The server is operating in "noServer" mode');
2231
+ return this._server ? this._server.address() : null;
2232
+ }
2233
+ /**
2234
+ * Stop the server from accepting new connections and emit the `'close'` event
2235
+ * when all existing connections are closed.
2236
+ *
2237
+ * @param {Function} [cb] A one-time listener for the `'close'` event
2238
+ * @public
2239
+ */
2240
+ close(e) {
2241
+ if (this._state === pt) {
2242
+ e && this.once("close", () => {
2243
+ e(new Error("The server is not running"));
2244
+ }), process.nextTick(G, this);
2245
+ return;
2246
+ }
2247
+ if (e && this.once("close", e), this._state !== Xe)
2248
+ if (this._state = Xe, this.options.noServer || this.options.server)
2249
+ 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);
2250
+ else {
2251
+ const t = this._server;
2252
+ this._removeListeners(), this._removeListeners = this._server = null, t.close(() => {
2253
+ G(this);
2254
+ });
2255
+ }
2256
+ }
2257
+ /**
2258
+ * See if a given request should be handled by this server instance.
2259
+ *
2260
+ * @param {http.IncomingMessage} req Request object to inspect
2261
+ * @return {Boolean} `true` if the request is valid, else `false`
2262
+ * @public
2263
+ */
2264
+ shouldHandle(e) {
2265
+ if (this.options.path) {
2266
+ const t = e.url.indexOf("?");
2267
+ if ((t !== -1 ? e.url.slice(0, t) : e.url) !== this.options.path)
2268
+ return !1;
2269
+ }
2270
+ return !0;
2271
+ }
2272
+ /**
2273
+ * Handle a HTTP Upgrade request.
2274
+ *
2275
+ * @param {http.IncomingMessage} req The request object
2276
+ * @param {(net.Socket|tls.Socket)} socket The network socket between the
2277
+ * server and client
2278
+ * @param {Buffer} head The first packet of the upgraded stream
2279
+ * @param {Function} cb Callback
2280
+ * @public
2281
+ */
2282
+ handleUpgrade(e, t, r, i) {
2283
+ t.on("error", Ze);
2284
+ const n = e.headers["sec-websocket-key"], o = +e.headers["sec-websocket-version"];
2285
+ if (e.method !== "GET") {
2286
+ R(this, e, t, 405, "Invalid HTTP method");
2287
+ return;
2288
+ }
2289
+ if (e.headers.upgrade.toLowerCase() !== "websocket") {
2290
+ R(this, e, t, 400, "Invalid Upgrade header");
2291
+ return;
2292
+ }
2293
+ if (!n || !Ws.test(n)) {
2294
+ R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Key header");
2295
+ return;
2296
+ }
2297
+ if (o !== 8 && o !== 13) {
2298
+ R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Version header");
2299
+ return;
2300
+ }
2301
+ if (!this.shouldHandle(e)) {
2302
+ H(t, 400);
2303
+ return;
2304
+ }
2305
+ const l = e.headers["sec-websocket-protocol"];
2306
+ let f = /* @__PURE__ */ new Set();
2307
+ if (l !== void 0)
2308
+ try {
2309
+ f = $s.parse(l);
2310
+ } catch {
2311
+ R(this, e, t, 400, "Invalid Sec-WebSocket-Protocol header");
2312
+ return;
2313
+ }
2314
+ const a = e.headers["sec-websocket-extensions"], c = {};
2315
+ if (this.options.perMessageDeflate && a !== void 0) {
2316
+ const h = new N(
2317
+ this.options.perMessageDeflate,
2318
+ !0,
2319
+ this.options.maxPayload
2320
+ );
2321
+ try {
2322
+ const p = qe.parse(a);
2323
+ p[N.extensionName] && (h.accept(p[N.extensionName]), c[N.extensionName] = h);
2324
+ } catch {
2325
+ R(this, e, t, 400, "Invalid or unacceptable Sec-WebSocket-Extensions header");
2326
+ return;
2327
+ }
2328
+ }
2329
+ if (this.options.verifyClient) {
2330
+ const h = {
2331
+ origin: e.headers[`${o === 8 ? "sec-websocket-origin" : "origin"}`],
2332
+ secure: !!(e.socket.authorized || e.socket.encrypted),
2333
+ req: e
2334
+ };
2335
+ if (this.options.verifyClient.length === 2) {
2336
+ this.options.verifyClient(h, (p, v, _, u) => {
2337
+ if (!p)
2338
+ return H(t, v || 401, _, u);
2339
+ this.completeUpgrade(
2340
+ c,
2341
+ n,
2342
+ f,
2343
+ e,
2344
+ t,
2345
+ r,
2346
+ i
2347
+ );
2348
+ });
2349
+ return;
2350
+ }
2351
+ if (!this.options.verifyClient(h))
2352
+ return H(t, 401);
2353
+ }
2354
+ this.completeUpgrade(c, n, f, e, t, r, i);
2355
+ }
2356
+ /**
2357
+ * Upgrade the connection to WebSocket.
2358
+ *
2359
+ * @param {Object} extensions The accepted extensions
2360
+ * @param {String} key The value of the `Sec-WebSocket-Key` header
2361
+ * @param {Set} protocols The subprotocols
2362
+ * @param {http.IncomingMessage} req The request object
2363
+ * @param {(net.Socket|tls.Socket)} socket The network socket between the
2364
+ * server and client
2365
+ * @param {Buffer} head The first packet of the upgraded stream
2366
+ * @param {Function} cb Callback
2367
+ * @throws {Error} If called more than once with the same socket
2368
+ * @private
2369
+ */
2370
+ completeUpgrade(e, t, r, i, n, o, l) {
2371
+ if (!n.readable || !n.writable)
2372
+ return n.destroy();
2373
+ if (n[Ds])
2374
+ throw new Error(
2375
+ "server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration"
2376
+ );
2377
+ if (this._state > Ke)
2378
+ return H(n, 503);
2379
+ const a = [
2380
+ "HTTP/1.1 101 Switching Protocols",
2381
+ "Upgrade: websocket",
2382
+ "Connection: Upgrade",
2383
+ `Sec-WebSocket-Accept: ${Bs("sha1").update(t + Is).digest("base64")}`
2384
+ ], c = new this.options.WebSocket(null);
2385
+ if (r.size) {
2386
+ const h = this.options.handleProtocols ? this.options.handleProtocols(r, i) : r.values().next().value;
2387
+ h && (a.push(`Sec-WebSocket-Protocol: ${h}`), c._protocol = h);
2388
+ }
2389
+ if (e[N.extensionName]) {
2390
+ const h = e[N.extensionName].params, p = qe.format({
2391
+ [N.extensionName]: [h]
2392
+ });
2393
+ a.push(`Sec-WebSocket-Extensions: ${p}`), c._extensions = e;
2394
+ }
2395
+ this.emit("headers", a, i), n.write(a.concat(`\r
2396
+ `).join(`\r
2397
+ `)), n.removeListener("error", Ze), c.setSocket(n, o, {
2398
+ maxPayload: this.options.maxPayload,
2399
+ skipUTF8Validation: this.options.skipUTF8Validation
2400
+ }), this.clients && (this.clients.add(c), c.on("close", () => {
2401
+ this.clients.delete(c), this._shouldEmitClose && !this.clients.size && process.nextTick(G, this);
2402
+ })), l(c, i);
2403
+ }
2404
+ }
2405
+ var Fs = As;
2406
+ function js(s, e) {
2407
+ for (const t of Object.keys(e))
2408
+ s.on(t, e[t]);
2409
+ return function() {
2410
+ for (const r of Object.keys(e))
2411
+ s.removeListener(r, e[r]);
2412
+ };
2413
+ }
2414
+ function G(s) {
2415
+ s._state = pt, s.emit("close");
2416
+ }
2417
+ function Ze() {
2418
+ this.destroy();
2419
+ }
2420
+ function H(s, e, t, r) {
2421
+ t = t || ie.STATUS_CODES[e], r = {
2422
+ Connection: "close",
2423
+ "Content-Type": "text/html",
2424
+ "Content-Length": Buffer.byteLength(t),
2425
+ ...r
2426
+ }, s.once("finish", s.destroy), s.end(
2427
+ `HTTP/1.1 ${e} ${ie.STATUS_CODES[e]}\r
2428
+ ` + Object.keys(r).map((i) => `${i}: ${r[i]}`).join(`\r
2429
+ `) + `\r
2430
+ \r
2431
+ ` + t
2432
+ );
2433
+ }
2434
+ function R(s, e, t, r, i) {
2435
+ if (s.listenerCount("wsClientError")) {
2436
+ const n = new Error(i);
2437
+ Error.captureStackTrace(n, R), s.emit("wsClientError", n, t, e);
2438
+ } else
2439
+ H(t, r, i);
2440
+ }
2441
+ const Zs = /* @__PURE__ */ z(Fs);
2442
+ export {
2443
+ qs as Receiver,
2444
+ Ks as Sender,
2445
+ Xs as WebSocket,
2446
+ Zs as WebSocketServer,
2447
+ Vs as createWebSocketStream,
2448
+ Xs as default
2449
+ };
src/backend/gradio_pdf/templates/example/index.js ADDED
The diff for this file is too large to render. See raw diff
 
src/backend/gradio_pdf/templates/example/style.css ADDED
@@ -0,0 +1 @@
 
 
1
+ .gallery.svelte-1gecy8w{padding:var(--size-1) var(--size-2)}
src/demo/__init__.py ADDED
File without changes
src/demo/app.py ADDED
@@ -0,0 +1,29 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+
2
+ import gradio as gr
3
+ from gradio_pdf import PDF
4
+ from pdf2image import convert_from_path
5
+ from transformers import pipeline
6
+ from pathlib import Path
7
+
8
+ dir_ = Path(__file__).parent
9
+
10
+ p = pipeline(
11
+ "document-question-answering",
12
+ model="impira/layoutlm-document-qa",
13
+ )
14
+
15
+ def qa(question: str, doc: str) -> str:
16
+ img = convert_from_path(doc)[0]
17
+ output = p(img, question)
18
+ return sorted(output, key=lambda x: x["score"], reverse=True)[0]['answer']
19
+
20
+
21
+ demo = gr.Interface(
22
+ qa,
23
+ [gr.Textbox(label="Question"), PDF(label="Document")],
24
+ gr.Textbox(),
25
+ examples=[["What is the total gross worth?", str(dir_ / "invoice_2.pdf")],
26
+ ["Whos is being invoiced?", str(dir_ / "sample_invoice.pdf")]]
27
+ )
28
+
29
+ demo.launch()
src/demo/contract.pdf ADDED
Binary file (128 kB). View file
 
src/demo/invoice_2.pdf ADDED
Binary file (372 kB). View file
 
src/demo/requirements.txt ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ torch
2
+ transformers
3
+ pdf2image
src/demo/sample_invoice.pdf ADDED
Binary file (34.7 kB). View file
 
src/frontend/Example.svelte ADDED
@@ -0,0 +1,52 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <script lang="ts">
2
+ export let value: string;
3
+ export let samples_dir: string;
4
+ export let type: "gallery" | "table";
5
+ export let selected = false;
6
+ import pdfjsLib from "pdfjs-dist";
7
+ pdfjsLib.GlobalWorkerOptions.workerSrc = "https://cdn.bootcss.com/pdf.js/3.11.174/pdf.worker.js";
8
+
9
+ let pdfDoc;
10
+ let canvasRef;
11
+
12
+ async function get_doc(url: string) {
13
+ const loadingTask = pdfjsLib.getDocument(url);
14
+ pdfDoc = await loadingTask.promise;
15
+ renderPage();
16
+ }
17
+
18
+ function renderPage() {
19
+ // Render a specific page of the PDF onto the canvas
20
+ pdfDoc.getPage(1).then(page => {
21
+ const ctx = canvasRef.getContext('2d')
22
+ ctx.clearRect(0, 0, canvasRef.width, canvasRef.height);
23
+
24
+ const viewport = page.getViewport({ scale: 0.2 });
25
+
26
+ const renderContext = {
27
+ canvasContext: ctx,
28
+ viewport
29
+ };
30
+ canvasRef.width = viewport.width;
31
+ canvasRef.height = viewport.height;
32
+ page.render(renderContext);
33
+ });
34
+ }
35
+
36
+ $: get_doc(samples_dir + value);
37
+ </script>
38
+
39
+ <div
40
+ class:table={type === "table"}
41
+ class:gallery={type === "gallery"}
42
+ class:selected
43
+ style="justify-content: center; align-items: center; display: flex; flex-direction: column;"
44
+ >
45
+ <canvas bind:this={canvasRef}></canvas>
46
+ </div>
47
+
48
+ <style>
49
+ .gallery {
50
+ padding: var(--size-1) var(--size-2);
51
+ }
52
+ </style>
src/frontend/Index.svelte ADDED
@@ -0,0 +1,173 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <script lang="ts">
2
+ import {tick, onMount} from "svelte";
3
+ import PdfUploadText from "./PdfUploadText.svelte";
4
+ import type { Gradio } from "@gradio/utils";
5
+ import { Block, BlockLabel } from "@gradio/atoms";
6
+ import { BaseButton } from "@gradio/button";
7
+ import { File } from "@gradio/icons";
8
+ import { StatusTracker } from "@gradio/statustracker";
9
+ import type { LoadingStatus } from "@gradio/statustracker";
10
+ import type { FileData } from "@gradio/client";
11
+ import { normalise_file } from "@gradio/client";
12
+ import { Upload, ModifyUpload } from "@gradio/upload";
13
+ import pdfjsLib from "pdfjs-dist";
14
+
15
+ export let elem_id = "";
16
+ export let elem_classes: string[] = [];
17
+ export let visible = true;
18
+ export let value: FileData | null = null;
19
+ export let container = true;
20
+ export let scale: number | null = null;
21
+ export let root: string;
22
+ export let height: number | null = 500;
23
+ export let label: string;
24
+ export let proxy_url: string;
25
+ export let min_width: number | undefined = undefined;
26
+ export let loading_status: LoadingStatus;
27
+ export let gradio: Gradio<{
28
+ change: never;
29
+ upload: never;
30
+ }>;
31
+
32
+ pdfjsLib.GlobalWorkerOptions.workerSrc = "https://cdn.bootcss.com/pdf.js/3.11.174/pdf.worker.js";
33
+
34
+ let _value = value;
35
+ let old_value = _value;
36
+ let pdfDoc;
37
+ let numPages = 1;
38
+ let currentPage = 1;
39
+ let canvasRef;
40
+
41
+ async function handle_clear() {
42
+ _value = null;
43
+ await tick();
44
+ gradio.dispatch("change");
45
+ }
46
+
47
+ async function handle_upload({detail}: CustomEvent<FileData>): Promise<void> {
48
+ value = detail;
49
+ await tick();
50
+ gradio.dispatch("change");
51
+ gradio.dispatch("upload");
52
+ }
53
+
54
+
55
+ async function get_doc(value: FileData) {
56
+ const loadingTask = pdfjsLib.getDocument(value.url);
57
+ pdfDoc = await loadingTask.promise;
58
+ numPages = pdfDoc.numPages;
59
+ render_page();
60
+ }
61
+
62
+ function render_page() {
63
+ // Render a specific page of the PDF onto the canvas
64
+ pdfDoc.getPage(currentPage).then(page => {
65
+ const ctx = canvasRef.getContext('2d')
66
+ ctx.clearRect(0, 0, canvasRef.width, canvasRef.height);
67
+ let viewport = page.getViewport({ scale: 1 });
68
+ let scale = height / viewport.height;
69
+ viewport = page.getViewport({ scale: scale });
70
+
71
+ const renderContext = {
72
+ canvasContext: ctx,
73
+ viewport,
74
+ };
75
+ canvasRef.width = viewport.width;
76
+ canvasRef.height = viewport.height;
77
+ page.render(renderContext);
78
+ });
79
+ }
80
+
81
+ function next_page() {
82
+ if (currentPage >= numPages) {
83
+ return;
84
+ }
85
+ currentPage++;
86
+ render_page();
87
+ }
88
+
89
+ function prev_page() {
90
+ if (currentPage == 1) {
91
+ return;
92
+ }
93
+ currentPage--;
94
+ render_page();
95
+ }
96
+
97
+ $: height = height || 500;
98
+
99
+ $: _value = normalise_file(value, root, proxy_url);
100
+
101
+ $: if(JSON.stringify(old_value) != JSON.stringify(_value)) {
102
+ if (_value){
103
+ get_doc(_value);
104
+ }
105
+ old_value = _value;
106
+ gradio.dispatch("change");
107
+ }
108
+
109
+
110
+ </script>
111
+
112
+ <Block {visible} {elem_id} {elem_classes} {container} {scale} {min_width}>
113
+ {#if loading_status}
114
+ <StatusTracker
115
+ autoscroll={gradio.autoscroll}
116
+ i18n={gradio.i18n}
117
+ {...loading_status}
118
+ />
119
+ {/if}
120
+ <BlockLabel
121
+ show_label={label !== null}
122
+ Icon={File}
123
+ float={value === null}
124
+ label={label || "File"}
125
+ />
126
+ {#if _value}
127
+ <ModifyUpload i18n={gradio.i18n} on:clear={handle_clear} absolute />
128
+ <div class="pdf-canvas" style="height: {height}px">
129
+ <canvas bind:this={canvasRef}></canvas>
130
+ </div>
131
+ <div class="button-row">
132
+ <BaseButton on:click={prev_page}>
133
+ ⬅️
134
+ </BaseButton>
135
+ <span class="page-count"> {currentPage} / {numPages} </span>
136
+ <BaseButton on:click={next_page}>
137
+ ➡️
138
+ </BaseButton>
139
+ </div>
140
+ {:else}
141
+ <Upload
142
+ on:load={handle_upload}
143
+ filetype={"application/pdf"}
144
+ file_count="single"
145
+ {root}
146
+ >
147
+ <PdfUploadText/>
148
+ </Upload>
149
+ {/if}
150
+ </Block>
151
+
152
+ <style>
153
+ .pdf-canvas {
154
+ display: flex;
155
+ justify-content: center;
156
+ align-items: center;
157
+ overflow-y: auto;
158
+ }
159
+
160
+ .button-row {
161
+ display: flex;
162
+ flex-direction: row;
163
+ width: 100%;
164
+ justify-content: center;
165
+ align-items: center;
166
+ }
167
+
168
+ .page-count {
169
+ margin: 0 10px;
170
+ font-family: var(--font-mono);
171
+ }
172
+
173
+ </style>
src/frontend/PdfUploadText.svelte ADDED
@@ -0,0 +1,47 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <script lang="ts">
2
+ import { Upload as UploadIcon } from "@gradio/icons";
3
+ export let hovered = false;
4
+
5
+ </script>
6
+
7
+ <div class="wrap">
8
+ <span class="icon-wrap" class:hovered><UploadIcon /> </span>
9
+ Drop PDF
10
+ <span class="or">- or -</span>
11
+ Click to Upload
12
+
13
+ </div>
14
+
15
+ <style>
16
+ .wrap {
17
+ display: flex;
18
+ flex-direction: column;
19
+ justify-content: center;
20
+ align-items: center;
21
+ min-height: var(--size-60);
22
+ color: var(--block-label-text-color);
23
+ line-height: var(--line-md);
24
+ height: 100%;
25
+ padding-top: var(--size-3);
26
+ }
27
+
28
+ .or {
29
+ color: var(--body-text-color-subdued);
30
+ display: flex;
31
+ }
32
+
33
+ .icon-wrap {
34
+ width: 30px;
35
+ margin-bottom: var(--spacing-lg);
36
+ }
37
+
38
+ @media (--screen-md) {
39
+ .wrap {
40
+ font-size: var(--text-lg);
41
+ }
42
+ }
43
+
44
+ .hovered {
45
+ color: var(--color-accent);
46
+ }
47
+ </style>
src/frontend/package-lock.json ADDED
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src/frontend/package.json ADDED
@@ -0,0 +1,28 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "name": "gradio_pdf",
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+ "version": "0.2.0",
4
+ "description": "Gradio UI packages",
5
+ "type": "module",
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+ "author": "",
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+ "license": "ISC",
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+ "private": false,
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+ "main_changeset": true,
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+ "exports": {
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+ ".": "./Index.svelte",
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+ "./example": "./Example.svelte",
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+ "./package.json": "./package.json"
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+ },
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+ "devDependencies": {
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+ "pdfjs-dist": "3.11.174"
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+ },
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+ "dependencies": {
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+ "@gradio/atoms": "0.2.0",
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+ "@gradio/statustracker": "0.3.0",
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+ "@gradio/utils": "0.2.0",
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+ "@gradio/client": "0.7.1",
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+ "@gradio/upload": "0.3.2",
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+ "@gradio/icons": "0.2.0",
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+ "@gradio/button": "0.2.3",
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+ "pdfjs-dist": "3.11.174"
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+ }
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+ }
src/pyproject.toml ADDED
@@ -0,0 +1,49 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ [build-system]
2
+ requires = [
3
+ "hatchling",
4
+ "hatch-requirements-txt",
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+ "hatch-fancy-pypi-readme>=22.5.0",
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+ ]
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+ build-backend = "hatchling.build"
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+
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+ [project]
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+ name = "gradio_pdf"
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+ version = "0.0.2"
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+ description = "Python library for easily interacting with trained machine learning models"
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+ readme = "README.md"
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+ license = "Apache-2.0"
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+ requires-python = ">=3.8"
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+ authors = [{ name = "YOUR NAME", email = "YOUREMAIL@domain.com" }]
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+ keywords = [
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+ "machine learning",
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+ "reproducibility",
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+ "visualization",
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+ "gradio",
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+ "gradio custom component",
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+ "gradio-template-Fallback"
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+ ]
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+ # Add dependencies here
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+ dependencies = ["gradio>=4.0,<5.0"]
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+ classifiers = [
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+ 'Development Status :: 3 - Alpha',
29
+ 'License :: OSI Approved :: Apache Software License',
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+ 'Operating System :: OS Independent',
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+ 'Programming Language :: Python :: 3',
32
+ 'Programming Language :: Python :: 3 :: Only',
33
+ 'Programming Language :: Python :: 3.8',
34
+ 'Programming Language :: Python :: 3.9',
35
+ 'Programming Language :: Python :: 3.10',
36
+ 'Programming Language :: Python :: 3.11',
37
+ 'Topic :: Scientific/Engineering',
38
+ 'Topic :: Scientific/Engineering :: Artificial Intelligence',
39
+ 'Topic :: Scientific/Engineering :: Visualization',
40
+ ]
41
+
42
+ [project.optional-dependencies]
43
+ dev = ["build", "twine"]
44
+
45
+ [tool.hatch.build]
46
+ artifacts = ["/backend/gradio_pdf/templates", "*.pyi", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates", "backend/gradio_pdf/templates"]
47
+
48
+ [tool.hatch.build.targets.wheel]
49
+ packages = ["/backend/gradio_pdf"]