mirror of
https://github.com/zen-browser/pdf.js.git
synced 2025-07-09 01:35:43 +02:00
Enable auto-formatting of the entire code-base using Prettier (issue 11444)
Note that Prettier, purposely, has only limited [configuration options](https://prettier.io/docs/en/options.html). The configuration file is based on [the one in `mozilla central`](https://searchfox.org/mozilla-central/source/.prettierrc) with just a few additions (to avoid future breakage if the defaults ever changes). Prettier is being used for a couple of reasons: - To be consistent with `mozilla-central`, where Prettier is already in use across the tree. - To ensure a *consistent* coding style everywhere, which is automatically enforced during linting (since Prettier is used as an ESLint plugin). This thus ends "all" formatting disussions once and for all, removing the need for review comments on most stylistic matters. Many ESLint options are now redundant, and I've tried my best to remove all the now unnecessary options (but I may have missed some). Note also that since Prettier considers the `printWidth` option as a guide, rather than a hard rule, this patch resorts to a small hack in the ESLint config to ensure that *comments* won't become too long. *Please note:* This patch is generated automatically, by appending the `--fix` argument to the ESLint call used in the `gulp lint` task. It will thus require some additional clean-up, which will be done in a *separate* commit. (On a more personal note, I'll readily admit that some of the changes Prettier makes are *extremely* ugly. However, in the name of consistency we'll probably have to live with that.)
This commit is contained in:
Jonas Jenwald
parent
8ec1dfde49
commit
de36b2aaba
205 changed files with 40024 additions and 31859 deletions
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@ -15,20 +15,26 @@
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/* eslint no-var: error */
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import {
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assert, BaseException, CMapCompressionType, isString, removeNullCharacters,
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stringToBytes, Util, warn
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} from '../shared/util';
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assert,
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BaseException,
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CMapCompressionType,
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isString,
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removeNullCharacters,
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stringToBytes,
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Util,
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warn,
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} from "../shared/util";
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const DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
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const SVG_NS = 'http://www.w3.org/2000/svg';
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const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
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const SVG_NS = "http://www.w3.org/2000/svg";
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class DOMCanvasFactory {
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create(width, height) {
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if (width <= 0 || height <= 0) {
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throw new Error('Invalid canvas size');
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throw new Error("Invalid canvas size");
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}
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const canvas = document.createElement('canvas');
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const context = canvas.getContext('2d');
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const canvas = document.createElement("canvas");
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const context = canvas.getContext("2d");
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canvas.width = width;
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canvas.height = height;
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return {
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@ -39,10 +45,10 @@ class DOMCanvasFactory {
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reset(canvasAndContext, width, height) {
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if (!canvasAndContext.canvas) {
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throw new Error('Canvas is not specified');
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throw new Error("Canvas is not specified");
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}
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if (width <= 0 || height <= 0) {
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throw new Error('Invalid canvas size');
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throw new Error("Invalid canvas size");
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}
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canvasAndContext.canvas.width = width;
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canvasAndContext.canvas.height = height;
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@ -50,7 +56,7 @@ class DOMCanvasFactory {
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destroy(canvasAndContext) {
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if (!canvasAndContext.canvas) {
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throw new Error('Canvas is not specified');
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throw new Error("Canvas is not specified");
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}
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// Zeroing the width and height cause Firefox to release graphics
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// resources immediately, which can greatly reduce memory consumption.
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@ -62,50 +68,58 @@ class DOMCanvasFactory {
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}
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class DOMCMapReaderFactory {
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constructor({ baseUrl = null, isCompressed = false, }) {
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constructor({ baseUrl = null, isCompressed = false }) {
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this.baseUrl = baseUrl;
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this.isCompressed = isCompressed;
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}
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async fetch({ name, }) {
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async fetch({ name }) {
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if (!this.baseUrl) {
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throw new Error(
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'The CMap "baseUrl" parameter must be specified, ensure that ' +
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'the "cMapUrl" and "cMapPacked" API parameters are provided.');
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'the "cMapUrl" and "cMapPacked" API parameters are provided.'
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);
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}
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if (!name) {
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throw new Error('CMap name must be specified.');
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throw new Error("CMap name must be specified.");
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}
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const url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
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const compressionType = (this.isCompressed ? CMapCompressionType.BINARY :
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CMapCompressionType.NONE);
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const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
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const compressionType = this.isCompressed
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? CMapCompressionType.BINARY
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: CMapCompressionType.NONE;
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if ((typeof PDFJSDev !== 'undefined' && PDFJSDev.test('MOZCENTRAL')) ||
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(isFetchSupported() && isValidFetchUrl(url, document.baseURI))) {
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return fetch(url).then(async (response) => {
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if (!response.ok) {
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throw new Error(response.statusText);
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}
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let cMapData;
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if (this.isCompressed) {
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cMapData = new Uint8Array(await response.arrayBuffer());
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} else {
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cMapData = stringToBytes(await response.text());
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}
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return { cMapData, compressionType, };
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}).catch((reason) => {
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throw new Error(`Unable to load ${this.isCompressed ? 'binary ' : ''}` +
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`CMap at: ${url}`);
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});
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if (
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(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) ||
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(isFetchSupported() && isValidFetchUrl(url, document.baseURI))
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) {
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return fetch(url)
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.then(async response => {
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if (!response.ok) {
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throw new Error(response.statusText);
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}
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let cMapData;
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if (this.isCompressed) {
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cMapData = new Uint8Array(await response.arrayBuffer());
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} else {
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cMapData = stringToBytes(await response.text());
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}
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return { cMapData, compressionType };
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})
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.catch(reason => {
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throw new Error(
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`Unable to load ${this.isCompressed ? "binary " : ""}` +
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`CMap at: ${url}`
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);
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});
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}
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// The Fetch API is not supported.
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return new Promise((resolve, reject) => {
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const request = new XMLHttpRequest();
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request.open('GET', url, true);
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request.open("GET", url, true);
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if (this.isCompressed) {
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request.responseType = 'arraybuffer';
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request.responseType = "arraybuffer";
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}
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request.onreadystatechange = () => {
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if (request.readyState !== XMLHttpRequest.DONE) {
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@ -119,7 +133,7 @@ class DOMCMapReaderFactory {
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cMapData = stringToBytes(request.responseText);
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}
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if (cMapData) {
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resolve({ cMapData, compressionType, });
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resolve({ cMapData, compressionType });
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return;
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}
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}
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@ -127,29 +141,31 @@ class DOMCMapReaderFactory {
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};
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request.send(null);
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}).catch((reason) => {
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throw new Error(`Unable to load ${this.isCompressed ? 'binary ' : ''}` +
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`CMap at: ${url}`);
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}).catch(reason => {
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throw new Error(
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`Unable to load ${this.isCompressed ? "binary " : ""}` +
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`CMap at: ${url}`
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);
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});
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}
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}
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class DOMSVGFactory {
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create(width, height) {
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assert(width > 0 && height > 0, 'Invalid SVG dimensions');
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assert(width > 0 && height > 0, "Invalid SVG dimensions");
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const svg = document.createElementNS(SVG_NS, 'svg:svg');
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svg.setAttribute('version', '1.1');
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svg.setAttribute('width', width + 'px');
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svg.setAttribute('height', height + 'px');
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svg.setAttribute('preserveAspectRatio', 'none');
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svg.setAttribute('viewBox', '0 0 ' + width + ' ' + height);
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const svg = document.createElementNS(SVG_NS, "svg:svg");
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svg.setAttribute("version", "1.1");
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svg.setAttribute("width", width + "px");
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svg.setAttribute("height", height + "px");
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svg.setAttribute("preserveAspectRatio", "none");
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svg.setAttribute("viewBox", "0 0 " + width + " " + height);
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return svg;
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}
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createElement(type) {
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assert(typeof type === 'string', 'Invalid SVG element type');
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assert(typeof type === "string", "Invalid SVG element type");
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return document.createElementNS(SVG_NS, type);
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}
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@ -189,8 +205,14 @@ class PageViewport {
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/**
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* @param {PageViewportParameters}
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*/
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constructor({ viewBox, scale, rotation, offsetX = 0, offsetY = 0,
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dontFlip = false, }) {
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constructor({
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viewBox,
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scale,
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rotation,
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offsetX = 0,
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offsetY = 0,
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dontFlip = false,
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}) {
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this.viewBox = viewBox;
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this.scale = scale;
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this.rotation = rotation;
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@ -206,22 +228,35 @@ class PageViewport {
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rotation = rotation < 0 ? rotation + 360 : rotation;
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switch (rotation) {
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case 180:
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rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1;
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rotateA = -1;
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rotateB = 0;
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rotateC = 0;
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rotateD = 1;
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break;
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case 90:
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rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0;
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rotateA = 0;
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rotateB = 1;
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rotateC = 1;
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rotateD = 0;
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break;
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case 270:
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rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0;
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rotateA = 0;
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rotateB = -1;
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rotateC = -1;
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rotateD = 0;
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break;
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// case 0:
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default:
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rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1;
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rotateA = 1;
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rotateB = 0;
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rotateC = 0;
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rotateD = -1;
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break;
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}
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if (dontFlip) {
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rotateC = -rotateC; rotateD = -rotateD;
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rotateC = -rotateC;
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rotateD = -rotateD;
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}
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let offsetCanvasX, offsetCanvasY;
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@ -246,7 +281,7 @@ class PageViewport {
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rotateC * scale,
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rotateD * scale,
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offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
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offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
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offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY,
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];
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this.width = width;
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@ -258,8 +293,13 @@ class PageViewport {
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* @param {PageViewportCloneParameters} [params]
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* @returns {PageViewport} Cloned viewport.
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*/
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clone({ scale = this.scale, rotation = this.rotation, offsetX = this.offsetX,
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offsetY = this.offsetY, dontFlip = false, } = {}) {
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clone({
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scale = this.scale,
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rotation = this.rotation,
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offsetX = this.offsetX,
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offsetY = this.offsetY,
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dontFlip = false,
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} = {}) {
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return new PageViewport({
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viewBox: this.viewBox.slice(),
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scale,
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@ -343,50 +383,54 @@ const LinkTarget = {
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* @param {HTMLLinkElement} link - The link element.
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* @param {ExternalLinkParameters} params
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*/
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function addLinkAttributes(link, { url, target, rel, enabled = true, } = {}) {
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assert(url && typeof url === 'string',
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'addLinkAttributes: A valid "url" parameter must provided.');
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function addLinkAttributes(link, { url, target, rel, enabled = true } = {}) {
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assert(
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url && typeof url === "string",
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'addLinkAttributes: A valid "url" parameter must provided.'
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);
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const urlNullRemoved = removeNullCharacters(url);
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if (enabled) {
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link.href = link.title = urlNullRemoved;
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} else {
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link.href = '';
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link.href = "";
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link.title = `Disabled: ${urlNullRemoved}`;
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link.onclick = () => {
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return false;
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};
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}
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let targetStr = ''; // LinkTarget.NONE
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let targetStr = ""; // LinkTarget.NONE
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switch (target) {
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case LinkTarget.NONE:
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break;
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case LinkTarget.SELF:
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targetStr = '_self';
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targetStr = "_self";
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break;
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case LinkTarget.BLANK:
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targetStr = '_blank';
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targetStr = "_blank";
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break;
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case LinkTarget.PARENT:
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targetStr = '_parent';
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targetStr = "_parent";
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break;
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case LinkTarget.TOP:
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targetStr = '_top';
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targetStr = "_top";
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break;
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}
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link.target = targetStr;
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link.rel = (typeof rel === 'string' ? rel : DEFAULT_LINK_REL);
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link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
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}
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// Gets the file name from a given URL.
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function getFilenameFromUrl(url) {
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const anchor = url.indexOf('#');
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const query = url.indexOf('?');
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const end = Math.min(anchor > 0 ? anchor : url.length,
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query > 0 ? query : url.length);
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return url.substring(url.lastIndexOf('/', end) + 1, end);
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const anchor = url.indexOf("#");
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const query = url.indexOf("?");
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const end = Math.min(
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anchor > 0 ? anchor : url.length,
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query > 0 ? query : url.length
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);
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return url.substring(url.lastIndexOf("/", end) + 1, end);
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}
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class StatTimer {
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@ -407,9 +451,9 @@ class StatTimer {
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warn(`Timer has not been started for ${name}`);
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}
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this.times.push({
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'name': name,
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'start': this.started[name],
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'end': Date.now(),
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name,
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start: this.started[name],
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end: Date.now(),
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});
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// Remove timer from started so it can be called again.
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delete this.started[name];
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@ -417,7 +461,8 @@ class StatTimer {
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toString() {
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// Find the longest name for padding purposes.
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let outBuf = [], longest = 0;
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let outBuf = [],
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longest = 0;
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for (const time of this.times) {
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const name = time.name;
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if (name.length > longest) {
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|
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@ -428,21 +473,24 @@ class StatTimer {
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const duration = time.end - time.start;
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outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
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}
|
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return outBuf.join('');
|
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return outBuf.join("");
|
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}
|
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}
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|
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function isFetchSupported() {
|
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return (typeof fetch !== 'undefined' &&
|
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typeof Response !== 'undefined' && 'body' in Response.prototype &&
|
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typeof ReadableStream !== 'undefined');
|
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return (
|
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typeof fetch !== "undefined" &&
|
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typeof Response !== "undefined" &&
|
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"body" in Response.prototype &&
|
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typeof ReadableStream !== "undefined"
|
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);
|
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}
|
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|
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function isValidFetchUrl(url, baseUrl) {
|
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try {
|
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const { protocol, } = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
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const { protocol } = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
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// The Fetch API only supports the http/https protocols, and not file/ftp.
|
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return (protocol === 'http:' || protocol === 'https:');
|
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return protocol === "http:" || protocol === "https:";
|
||||
} catch (ex) {
|
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return false; // `new URL()` will throw on incorrect data.
|
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}
|
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|
|
@ -450,7 +498,7 @@ function isValidFetchUrl(url, baseUrl) {
|
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|
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function loadScript(src) {
|
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return new Promise((resolve, reject) => {
|
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const script = document.createElement('script');
|
||||
const script = document.createElement("script");
|
||||
script.src = src;
|
||||
|
||||
script.onload = resolve;
|
||||
|
|
@ -463,39 +511,42 @@ function loadScript(src) {
|
|||
|
||||
// Deprecated API function -- display regardless of the `verbosity` setting.
|
||||
function deprecated(details) {
|
||||
console.log('Deprecated API usage: ' + details);
|
||||
console.log("Deprecated API usage: " + details);
|
||||
}
|
||||
|
||||
function releaseImageResources(img) {
|
||||
assert(img instanceof Image, 'Invalid `img` parameter.');
|
||||
assert(img instanceof Image, "Invalid `img` parameter.");
|
||||
|
||||
const url = img.src;
|
||||
if (typeof url === 'string' && url.startsWith('blob:') &&
|
||||
URL.revokeObjectURL) {
|
||||
if (
|
||||
typeof url === "string" &&
|
||||
url.startsWith("blob:") &&
|
||||
URL.revokeObjectURL
|
||||
) {
|
||||
URL.revokeObjectURL(url);
|
||||
}
|
||||
img.removeAttribute('src');
|
||||
img.removeAttribute("src");
|
||||
}
|
||||
|
||||
let pdfDateStringRegex;
|
||||
|
||||
class PDFDateString {
|
||||
/**
|
||||
* Convert a PDF date string to a JavaScript `Date` object.
|
||||
*
|
||||
* The PDF date string format is described in section 7.9.4 of the official
|
||||
* PDF 32000-1:2008 specification. However, in the PDF 1.7 reference (sixth
|
||||
* edition) Adobe describes the same format including a trailing apostrophe.
|
||||
* This syntax in incorrect, but Adobe Acrobat creates PDF files that contain
|
||||
* them. We ignore all apostrophes as they are not necessary for date parsing.
|
||||
*
|
||||
* Moreover, Adobe Acrobat doesn't handle changing the date to universal time
|
||||
* and doesn't use the user's time zone (effectively ignoring the HH' and mm'
|
||||
* parts of the date string).
|
||||
*
|
||||
* @param {string} input
|
||||
* @returns {Date|null}
|
||||
*/
|
||||
/**
|
||||
* Convert a PDF date string to a JavaScript `Date` object.
|
||||
*
|
||||
* The PDF date string format is described in section 7.9.4 of the official
|
||||
* PDF 32000-1:2008 specification. However, in the PDF 1.7 reference (sixth
|
||||
* edition) Adobe describes the same format including a trailing apostrophe.
|
||||
* This syntax in incorrect, but Adobe Acrobat creates PDF files that contain
|
||||
* them. We ignore all apostrophes as they are not necessary for date parsing.
|
||||
*
|
||||
* Moreover, Adobe Acrobat doesn't handle changing the date to universal time
|
||||
* and doesn't use the user's time zone (effectively ignoring the HH' and mm'
|
||||
* parts of the date string).
|
||||
*
|
||||
* @param {string} input
|
||||
* @returns {Date|null}
|
||||
*/
|
||||
static toDateObject(input) {
|
||||
if (!input || !isString(input)) {
|
||||
return null;
|
||||
|
|
@ -504,18 +555,18 @@ class PDFDateString {
|
|||
// Lazily initialize the regular expression.
|
||||
if (!pdfDateStringRegex) {
|
||||
pdfDateStringRegex = new RegExp(
|
||||
'^D:' + // Prefix (required)
|
||||
'(\\d{4})' + // Year (required)
|
||||
'(\\d{2})?' + // Month (optional)
|
||||
'(\\d{2})?' + // Day (optional)
|
||||
'(\\d{2})?' + // Hour (optional)
|
||||
'(\\d{2})?' + // Minute (optional)
|
||||
'(\\d{2})?' + // Second (optional)
|
||||
'([Z|+|-])?' + // Universal time relation (optional)
|
||||
'(\\d{2})?' + // Offset hour (optional)
|
||||
'\'?' + // Splitting apostrophe (optional)
|
||||
'(\\d{2})?' + // Offset minute (optional)
|
||||
'\'?' // Trailing apostrophe (optional)
|
||||
"^D:" + // Prefix (required)
|
||||
"(\\d{4})" + // Year (required)
|
||||
"(\\d{2})?" + // Month (optional)
|
||||
"(\\d{2})?" + // Day (optional)
|
||||
"(\\d{2})?" + // Hour (optional)
|
||||
"(\\d{2})?" + // Minute (optional)
|
||||
"(\\d{2})?" + // Second (optional)
|
||||
"([Z|+|-])?" + // Universal time relation (optional)
|
||||
"(\\d{2})?" + // Offset hour (optional)
|
||||
"'?" + // Splitting apostrophe (optional)
|
||||
"(\\d{2})?" + // Offset minute (optional)
|
||||
"'?" // Trailing apostrophe (optional)
|
||||
);
|
||||
}
|
||||
|
||||
|
|
@ -531,29 +582,29 @@ class PDFDateString {
|
|||
// instead of 1 and 12, so we have to correct for that.
|
||||
const year = parseInt(matches[1], 10);
|
||||
let month = parseInt(matches[2], 10);
|
||||
month = (month >= 1 && month <= 12) ? month - 1 : 0;
|
||||
month = month >= 1 && month <= 12 ? month - 1 : 0;
|
||||
let day = parseInt(matches[3], 10);
|
||||
day = (day >= 1 && day <= 31) ? day : 1;
|
||||
day = day >= 1 && day <= 31 ? day : 1;
|
||||
let hour = parseInt(matches[4], 10);
|
||||
hour = (hour >= 0 && hour <= 23) ? hour : 0;
|
||||
hour = hour >= 0 && hour <= 23 ? hour : 0;
|
||||
let minute = parseInt(matches[5], 10);
|
||||
minute = (minute >= 0 && minute <= 59) ? minute : 0;
|
||||
minute = minute >= 0 && minute <= 59 ? minute : 0;
|
||||
let second = parseInt(matches[6], 10);
|
||||
second = (second >= 0 && second <= 59) ? second : 0;
|
||||
const universalTimeRelation = matches[7] || 'Z';
|
||||
second = second >= 0 && second <= 59 ? second : 0;
|
||||
const universalTimeRelation = matches[7] || "Z";
|
||||
let offsetHour = parseInt(matches[8], 10);
|
||||
offsetHour = (offsetHour >= 0 && offsetHour <= 23) ? offsetHour : 0;
|
||||
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
|
||||
let offsetMinute = parseInt(matches[9], 10) || 0;
|
||||
offsetMinute = (offsetMinute >= 0 && offsetMinute <= 59) ? offsetMinute : 0;
|
||||
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
|
||||
|
||||
// Universal time relation 'Z' means that the local time is equal to the
|
||||
// universal time, whereas the relations '+'/'-' indicate that the local
|
||||
// time is later respectively earlier than the universal time. Every date
|
||||
// is normalized to universal time.
|
||||
if (universalTimeRelation === '-') {
|
||||
if (universalTimeRelation === "-") {
|
||||
hour += offsetHour;
|
||||
minute += offsetMinute;
|
||||
} else if (universalTimeRelation === '+') {
|
||||
} else if (universalTimeRelation === "+") {
|
||||
hour -= offsetHour;
|
||||
minute -= offsetMinute;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue