50a47be190
At this point in time, all supported browsers have native support for `Blob`; please see https://developer.mozilla.org/en-US/docs/Web/API/Blob/Blob#Browser_compatibility. Furthermore, note how the helper function was throwing an error if `Blob` isn't available anyway.
116 lines
5.3 KiB
JavaScript
116 lines
5.3 KiB
JavaScript
/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* eslint-disable no-unused-vars, no-restricted-globals */
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'use strict';
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var pdfjsVersion =
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typeof PDFJSDev !== 'undefined' ? PDFJSDev.eval('BUNDLE_VERSION') : void 0;
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var pdfjsBuild =
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typeof PDFJSDev !== 'undefined' ? PDFJSDev.eval('BUNDLE_BUILD') : void 0;
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var pdfjsSharedUtil = require('./shared/util.js');
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var pdfjsDisplayAPI = require('./display/api.js');
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var pdfjsDisplayTextLayer = require('./display/text_layer.js');
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var pdfjsDisplayAnnotationLayer = require('./display/annotation_layer.js');
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var pdfjsDisplayDOMUtils = require('./display/dom_utils.js');
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var pdfjsDisplaySVG = require('./display/svg.js');
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let pdfjsDisplayWorkerOptions = require('./display/worker_options.js');
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let pdfjsDisplayAPICompatibility = require('./display/api_compatibility.js');
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if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
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const isNodeJS = require('./shared/is_node.js');
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if (isNodeJS()) {
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let PDFNodeStream = require('./display/node_stream.js').PDFNodeStream;
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pdfjsDisplayAPI.setPDFNetworkStreamFactory((params) => {
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return new PDFNodeStream(params);
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});
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} else if (typeof Response !== 'undefined' && 'body' in Response.prototype &&
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typeof ReadableStream !== 'undefined') {
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let PDFFetchStream = require('./display/fetch_stream.js').PDFFetchStream;
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pdfjsDisplayAPI.setPDFNetworkStreamFactory((params) => {
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return new PDFFetchStream(params);
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});
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} else {
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let PDFNetworkStream = require('./display/network.js').PDFNetworkStream;
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pdfjsDisplayAPI.setPDFNetworkStreamFactory((params) => {
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return new PDFNetworkStream(params);
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});
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}
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} else if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('CHROME')) {
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let PDFNetworkStream = require('./display/network.js').PDFNetworkStream;
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let PDFFetchStream;
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let isChromeWithFetchCredentials = function() {
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// fetch does not include credentials until Chrome 61.0.3138.0 and later.
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// https://chromium.googlesource.com/chromium/src/+/2e231cf052ca5e68e22baf0008ac9e5e29121707
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try {
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// Indexed properties on window are read-only in Chrome 61.0.3151.0+
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// https://chromium.googlesource.com/chromium/src.git/+/58ab4a971b06dec13e4edf9de8382ca6847f6190
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window[999] = 123; // should throw. Note: JS strict mode MUST be enabled.
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delete window[999];
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return false;
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} catch (e) {
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return true;
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}
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};
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if (typeof Response !== 'undefined' && 'body' in Response.prototype &&
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typeof ReadableStream !== 'undefined' && isChromeWithFetchCredentials()) {
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PDFFetchStream = require('./display/fetch_stream.js').PDFFetchStream;
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}
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pdfjsDisplayAPI.setPDFNetworkStreamFactory((params) => {
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if (PDFFetchStream && /^https?:/i.test(params.url)) {
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// "fetch" is only supported for http(s), not file/ftp.
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return new PDFFetchStream(params);
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}
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return new PDFNetworkStream(params);
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});
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}
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exports.build = pdfjsDisplayAPI.build;
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exports.version = pdfjsDisplayAPI.version;
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exports.getDocument = pdfjsDisplayAPI.getDocument;
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exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;
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exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
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exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
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exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
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exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
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exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
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exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
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exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
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exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
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exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
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exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
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exports.UnexpectedResponseException =
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pdfjsSharedUtil.UnexpectedResponseException;
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exports.OPS = pdfjsSharedUtil.OPS;
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exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel;
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exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
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exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
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exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
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exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
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exports.shadow = pdfjsSharedUtil.shadow;
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exports.Util = pdfjsSharedUtil.Util;
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exports.ReadableStream = pdfjsSharedUtil.ReadableStream;
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exports.URL = pdfjsSharedUtil.URL;
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exports.RenderingCancelledException =
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pdfjsDisplayDOMUtils.RenderingCancelledException;
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exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
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exports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget;
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exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
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exports.loadScript = pdfjsDisplayDOMUtils.loadScript;
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exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
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exports.apiCompatibilityParams =
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pdfjsDisplayAPICompatibility.apiCompatibilityParams;
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