volleyball-dev-frontend/node_modules/react-pdf/dist/esm/Page/TextLayer.js

'use client';
import { jsx as _jsx } from "react/jsx-runtime";
import { useCallback, useEffect, useLayoutEffect, useMemo, useRef } from 'react';
import makeCancellable from 'make-cancellable-promise';
import clsx from 'clsx';
import invariant from 'tiny-invariant';
import warning from 'warning';
import * as pdfjs from 'pdfjs-dist';
import usePageContext from '../shared/hooks/usePageContext.js';
import useResolver from '../shared/hooks/useResolver.js';
import { cancelRunningTask } from '../shared/utils.js';
function isTextItem(item) {
    return 'str' in item;
}
export default function TextLayer() {
    const pageContext = usePageContext();
    invariant(pageContext, 'Unable to find Page context.');
    const { customTextRenderer, onGetTextError, onGetTextSuccess, onRenderTextLayerError, onRenderTextLayerSuccess, page, pageIndex, pageNumber, rotate, scale, } = pageContext;
    invariant(page, 'Attempted to load page text content, but no page was specified.');
    const [textContentState, textContentDispatch] = useResolver();
    const { value: textContent, error: textContentError } = textContentState;
    const layerElement = useRef(null);
    warning(Number.parseInt(window.getComputedStyle(document.body).getPropertyValue('--react-pdf-text-layer'), 10) === 1, 'TextLayer styles not found. Read more: https://github.com/wojtekmaj/react-pdf#support-for-text-layer');
    /**
     * Called when a page text content is read successfully
     */
    function onLoadSuccess() {
        if (!textContent) {
            // Impossible, but TypeScript doesn't know that
            return;
        }
        if (onGetTextSuccess) {
            onGetTextSuccess(textContent);
        }
    }
    /**
     * Called when a page text content failed to read successfully
     */
    function onLoadError() {
        if (!textContentError) {
            // Impossible, but TypeScript doesn't know that
            return;
        }
        warning(false, textContentError.toString());
        if (onGetTextError) {
            onGetTextError(textContentError);
        }
    }
    // biome-ignore lint/correctness/useExhaustiveDependencies: useEffect intentionally triggered on page change
    useEffect(function resetTextContent() {
        textContentDispatch({ type: 'RESET' });
    }, [page, textContentDispatch]);
    useEffect(function loadTextContent() {
        if (!page) {
            return;
        }
        const cancellable = makeCancellable(page.getTextContent());
        const runningTask = cancellable;
        cancellable.promise
            .then((nextTextContent) => {
            textContentDispatch({ type: 'RESOLVE', value: nextTextContent });
        })
            .catch((error) => {
            textContentDispatch({ type: 'REJECT', error });
        });
        return () => cancelRunningTask(runningTask);
    }, [page, textContentDispatch]);
    // biome-ignore lint/correctness/useExhaustiveDependencies: Ommitted callbacks so they are not called every time they change
    useEffect(() => {
        if (textContent === undefined) {
            return;
        }
        if (textContent === false) {
            onLoadError();
            return;
        }
        onLoadSuccess();
    }, [textContent]);
    /**
     * Called when a text layer is rendered successfully
     */
    const onRenderSuccess = useCallback(() => {
        if (onRenderTextLayerSuccess) {
            onRenderTextLayerSuccess();
        }
    }, [onRenderTextLayerSuccess]);
    /**
     * Called when a text layer failed to render successfully
     */
    const onRenderError = useCallback((error) => {
        warning(false, error.toString());
        if (onRenderTextLayerError) {
            onRenderTextLayerError(error);
        }
    }, [onRenderTextLayerError]);
    function onMouseDown() {
        const layer = layerElement.current;
        if (!layer) {
            return;
        }
        layer.classList.add('selecting');
    }
    function onMouseUp() {
        const layer = layerElement.current;
        if (!layer) {
            return;
        }
        layer.classList.remove('selecting');
    }
    const viewport = useMemo(() => page.getViewport({ scale, rotation: rotate }), [page, rotate, scale]);
    useLayoutEffect(function renderTextLayer() {
        if (!page || !textContent) {
            return;
        }
        const { current: layer } = layerElement;
        if (!layer) {
            return;
        }
        layer.innerHTML = '';
        const textContentSource = page.streamTextContent({ includeMarkedContent: true });
        const parameters = {
            container: layer,
            textContentSource,
            viewport,
        };
        const cancellable = new pdfjs.TextLayer(parameters);
        const runningTask = cancellable;
        cancellable
            .render()
            .then(() => {
            const end = document.createElement('div');
            end.className = 'endOfContent';
            layer.append(end);
            const layerChildren = layer.querySelectorAll('[role="presentation"]');
            if (customTextRenderer) {
                let index = 0;
                textContent.items.forEach((item, itemIndex) => {
                    if (!isTextItem(item)) {
                        return;
                    }
                    const child = layerChildren[index];
                    if (!child) {
                        return;
                    }
                    const content = customTextRenderer(Object.assign({ pageIndex,
                        pageNumber,
                        itemIndex }, item));
                    child.innerHTML = content;
                    index += item.str && item.hasEOL ? 2 : 1;
                });
            }
            // Intentional immediate callback
            onRenderSuccess();
        })
            .catch(onRenderError);
        return () => cancelRunningTask(runningTask);
    }, [
        customTextRenderer,
        onRenderError,
        onRenderSuccess,
        page,
        pageIndex,
        pageNumber,
        textContent,
        viewport,
    ]);
    return (_jsx("div", { className: clsx('react-pdf__Page__textContent', 'textLayer'), onMouseUp: onMouseUp, onMouseDown: onMouseDown, ref: layerElement }));
}