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How to use PDFDocumentLoadingTask method in wpt

Best JavaScript code snippet using wpt

usePdfjsDocument.ts

Source:usePdfjsDocument.ts

1// @ts-ignore2// eslint-disable-next-line import/no-webpack-loader-syntax3import pdfjsWorker from 'file-loader!pdfjs-dist/es5/build/pdf.worker';4import * as pdfjsLib from 'pdfjs-dist';5import { PDFDocumentProxy } from 'pdfjs-dist/types/display/api';6import { useEffect, useState } from 'react';7pdfjsLib.GlobalWorkerOptions.workerSrc = pdfjsWorker;8export interface UsePdfjsDocumentResult {9  isLoading: boolean;10  errorMessage: string | undefined;11  pdfDocument: PDFDocumentProxy | undefined;12}13export function usePdfjsDocument(url: string): UsePdfjsDocumentResult {14  const [isLoading, setIsLoading] = useState(true);15  const [errorMessage, setErrorMessage] = useState<string | undefined>();16  const [pdfDocument, setPdfDocument] = useState<PDFDocumentProxy | undefined>();17  useEffect(() => {18    let isCancelled = false;19    let cleanup: (() => void) | undefined;20    (async function loadDocument() {21      try {22        setIsLoading(true);23        const pdfDocumentLoadingTask = pdfjsLib.getDocument(url);24        cleanup = () => {25          pdfDocumentLoadingTask.destroy();26        };27        const pdfDocumentProxy = await pdfDocumentLoadingTask.promise;28        if (isCancelled) return;29        setIsLoading(false);30        setErrorMessage(undefined);31        setPdfDocument(pdfDocumentProxy);32      } catch (reason) {33        if (isCancelled) return;34        setIsLoading(false);35        setPdfDocument(undefined);36        setErrorMessage(typeof reason === 'string' ? reason : 'Document error');37      }38    })();39    return () => {40      cleanup?.();41    };42  }, [url]);43  return {44    pdfDocument,45    isLoading,46    errorMessage,47  };...

WorkerTransport.d.ts

Source:WorkerTransport.d.ts

1import type { PDFDocumentLoadingTask } from 'pdfjs/types/src/display/api';2import { MessageHandler } from 'pdfjs/build/pdf';3declare class WorkerTransport {4    messageHandler?: MessageHandler;5    _loadingTask: PDFDocumentLoadingTask | undefined;6    workerIsReady: import("../../shared/util").Capability<unknown>;7    _docHandlerCapability: import("../../shared/util").Capability<MessageHandler>;8    docHandler: MessageHandler | null;9    _docLoadedCapability: import("../../shared/util").Capability<unknown>;10    appOptions: any;11    constructor(messageHandler?: MessageHandler, appOptions?: any);12    setMessageHandler(docId: string): void;13    set loadingTask(loadingTask: PDFDocumentLoadingTask);14    get idPdfiumReady(): Promise<PromiseSettledResult<unknown>[]>;15    getImageData(data: any): Promise<ImageData>;16    getPageScannedResult(page: number): Promise<boolean>;17    getDocumentOutline(flattenOutline?: boolean): Promise<any>;18    getTextAtRect(data: any): Promise<any>;19    getIndexAtPos(data: any): Promise<any>;20    getTextAtPos(data: any): Promise<any>;21    getRectsAtPos(data: any): Promise<any>;22    cleanup(index: number): Promise<any>;23    destroyLibrary(): Promise<any>;24}...

typings.ts

Source:typings.ts

1export type PDFPageProxy = import('pdfjs-dist/types/src/display/api').PDFPageProxy;2export type PDFSource = import('pdfjs-dist/types/src/display/api').DocumentInitParameters;3export type PDFDocumentProxy = import('pdfjs-dist/types/src/display/api').PDFDocumentProxy;4export type PDFDocumentLoadingTask = import('pdfjs-dist/types/src/display/api').PDFDocumentLoadingTask;5export type PDFViewerOptions = import('pdfjs-dist/types/web/base_viewer').PDFViewerOptions;6export interface PDFProgressData {7  loaded: number;8  total: number;...

Using AI Code Generation

1var loadingTask = pdfjsLib.getDocument('test.pdf');2loadingTask.promise.then(function(pdf) {3    console.log('PDF loaded');4    var pageNumber = 1;5    pdf.getPage(pageNumber).then(function(page) {6        console.log('Page loaded');7        var scale = 1.5;8        var viewport = page.getViewport(scale);9        var canvas = document.getElementById('the-canvas');10        var context = canvas.getContext('2d');11        canvas.height = viewport.height;12        canvas.width = viewport.width;13        var renderContext = {14        };15        var renderTask = page.render(renderContext);16        renderTask.then(function () {17            console.log('Page rendered');18        });19    });20}, function (reason) {21    console.error(reason);22});23var loadingTask = pdfjsLib.getDocument('test.pdf');24loadingTask.promise.then(function(pdf) {25    console.log('PDF loaded');26    var pageNumber = 1;27    pdf.getPage(pageNumber).then(function(page) {28        console.log('Page loaded');29        var scale = 1.5;30        var viewport = page.getViewport(scale);31        var canvas = document.getElementById('the-canvas');32        var context = canvas.getContext('2d');33        canvas.height = viewport.height;34        canvas.width = viewport.width;35        var renderContext = {36        };37        var renderTask = page.render(renderContext);38        renderTask.then(function () {39            console.log('Page rendered');40        });41    });42}, function (reason) {43    console.error(reason);

Using AI Code Generation

1var pdfjsLib = require('pdfjs-dist');2var pdfjsViewer = require('pdfjs-dist/web/pdf_viewer.js');3var loadingTask = pdfjsLib.getDocument('test.pdf');4loadingTask.promise.then(function(pdfDocument) {5  var pageNumber = 1;6  pdfDocument.getPage(pageNumber).then(function(page) {7    var scale = 1.5;8    var viewport = page.getViewport(scale);9    var canvas = document.getElementById('the-canvas');10    var context = canvas.getContext('2d');11    canvas.height = viewport.height;12    canvas.width = viewport.width;13    var renderContext = {14    };15    var renderTask = page.render(renderContext);16    renderTask.promise.then(function () {17      console.log('Page rendered');18    });19  });20});21var pdfjsLib = require('pdfjs-dist');22var pdfjsViewer = require('pdfjs-dist/web/pdf_viewer.js');23pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdf.worker.js';24var loadingTask = pdfjsLib.getDocument('test.pdf');25loadingTask.promise.then(function(pdfDocument) {26  var pageNumber = 1;27  pdfDocument.getPage(pageNumber).then(function(page) {28    console.log('Page loaded');29    var scale = 1.5;30    var viewport = page.getViewport({scale: scale});31    var canvas = document.getElementById('the-canvas');32    var context = canvas.getContext('2d');33    canvas.height = viewport.height;34    canvas.width = viewport.width;35    var renderContext = {36    };37    var renderTask = page.render(renderContext);38    renderTask.promise.then(function () {39      console.log('Page rendered');40    });41    var textLayerDiv = document.getElementById('textLayer');42    textLayerDiv.innerHTML = '';43    var textLayerDiv = document.getElementById('textLayer');44    textLayerDiv.innerHTML = '';

Using AI Code Generation

1async function test() {2  const loadingTask = pdfjsLib.getDocument({3  });4  const pdfDocument = await loadingTask.promise;5  console.log(pdfDocument);6}7test();8async function test() {9  const loadingTask = pdfjsLib.getDocument({10  });11  const pdfDocument = await loadingTask.promise;12  console.log(pdfDocument);13}14test();15async function test() {16  const loadingTask = pdfjsLib.getDocument({17  });18  const pdfDocument = await loadingTask.promise;19  console.log(pdfDocument);20}21test();22async function test() {23  const loadingTask = pdfjsLib.getDocument({24  });25  const pdfDocument = await loadingTask.promise;26  console.log(pdfDocument);27}28test();

Using AI Code Generation

1async function test() {2  const loadingTask = pdfjsLib.getDocument({3  });4  const pdfDocument = await loadingTask.promise;5  console.log(pdfDocument);6}7test();8async function test() {9  const loadingTask = pdfjsLib.getDocument({10  });11  const pdfDocument = await loadingTask.promise;12  console.log(pdfDocument);13}14test();15async function test() {16  const loadingTask = pdfjsLib.getDocument({17  });18  const pdfDocument = await loadingTask.promise;19  console.log(pdfDocument);20}21test();22async function test() {23  const loadingTask = pdfjsLib.getDocument({24  });25  const pdfDocument = await loadingTask.promise;26  console.log(pdfDocument);27}28test();

Using AI Code Generation

1var pdfjsLib = window['pdfjs-dist/build/pdf'];2var pdfjsViewer = window['pdfjs-dist/web/pdf_viewer'];3var loadngTak= pdfjsLib.getDocument('test.pdf');4loadigTask.prmise.then(funcion(pdf) {5 console.log('PDF loaed');6  var pageNumber = 1;7  pdf.getPage(pageNumber).then(function(page) {8    console.log('Page oded');9    var scale = 1.5;10    var viewport = page.getViewport({scale: scale});11    var canvas = document.getElementBId('the-canvas');12    var context = canvas.getContext('2d');13    canvas.height = viewport.height;14    canvas.width = viewport.width;15    var renderContext = {16    };17    var renderTask = page.render(renderContext);18    renderTask.promise.then(function () {19      console.log('Page rendered');20    });21  });22}, function (reason) {23  console.error(reason);24});25var loadingTask = pdfjsLib.getDocument('test.pdf');26loadingTask.promise.then(function(pdf) {27  console.log('PDF loaded');28  var numPages = pdf.numPages;29  console.log('# Document Load');30  console.log('Number of Pages: ' + numPages);31  console.log('');32},functo (reason){33  console.error(reason);34});35var lodigTask = pdfjsLib.getDocument('test.pdf');36loadingTask.promise.then(function(pdf) {37  console.log('PDF loaded');38  var pageNumber = 1;39  pdf.getPage(pageNumber).then(function(page) {40    console.log('Page loaded');41    r cale = 15;42    var viewport = page.getViewport({scale: scale});

Using AI Code Generation

1var pdfjsLib = window['pdfjs-dist/build/pdf'];2var pdfjsViewer = window['pdfjs-dist/web/pdf_viewer'];3var loadingTask = pdfjsLib.getDocument('test.pdf');4loadingTask.promise.then(function(pdf) {5  console.log('PDF loaded');6  var pageNumber = 1;7  pdf.getPage(pageNumber).then(function(page) {8    console.log('Page loaded');9    var scale = 1.5;10    var viewport = page.getViewport({scale: scale});11    var canvas = document.getElementById('the-canvas');12    var context = canvas.getContext('2d');13    canvas.height = viewport.height;14    canvas.width = viewport.width;15    var renderContext = {16    };17    var renderTask = page.render(renderContext);18    renderTask.promise.then(function () {19      console.log('Page rendered');20    });21  });22}, function (reason) {23  console.error(reason);24});25var loadingTask = pdfjsLib.getDocument('test.pdf');26loadingTask.promise.then(function(pdf) {27  console.log('PDF loaded');28  var numPages = pdf.numPages;29  console.log('# Document Loaded');30  console.log('Number of Pages: ' + numPages);31  console.log('');32}, function (reason) {33  console.error(reason);34});35var loadingTask = pdfjsLib.getDocument('test.pdf');36loadingTask.promise.then(function(pdf) {37  console.log('PDF loaded');38  var pageNumber = 1;39  pdf.getPage(pageNumber).then(function(page) {40    console.log('Page loaded');41    var scale = 1.5;42    var viewport = page.getViewport({scale: scale});

Using AI Code Generation

1this.window.pdfjsLib.getDocument(url).promise.then(function (pdf) {2});3    var script = document.createElement('script');4    script.src = 'test.js';5    script.onload = function () {6        pdfjsLib.getDocument(url).promise.then(function (pdf) {7        });8    };9    document.body.appendChild(script);10var pdfDoc = null;11task.promise.then(function(pdf) {12  console.log('PDF loaded');13  pdfDoc = pdf;14  var page = pdfDoc.getPage(1);15  page.then(function(page) {16    console.log('Page loaded');17    var scale = 1.5;18    var viewport = page.getViewport(scale);19    var canvas = document.getElementById('the-canvas');20    var context = canvas.getContext('2d');21    canvas.height = viewport.height;22    canvas.width = viewport.width;23    var renderContext = {24    };25    var renderTask = page.render(renderContext);26    renderTask.promise.then(function() {27      console.log('Page rendered');28    });29  });30});

Using AI Code Generation

1this.window.pdfjsLib.getDocument(url).promise.then(function (pdf) {2});3    var script = document.createElement('script');4    script.src = 'test.js';5    script.onload = function () {6        pdfjsLib.getDocument(url).promise.then(function (pdf) {7        });8    };9    document.body.appendChild(script);

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