mirror of
https://github.com/zen-browser/pdf.js.git
synced 2025-07-10 02:05:37 +02:00
Convert a number of import * as pdfjsLib from 'pdfjs-web/pdfjs'; cases to only specify the necessary imports
Rather than always importing everything from the `web/pdfjs.js`, similar to all other imports we can just choose what we actually need.
This commit is contained in:
Jonas Jenwald
parent
3b35c15d42
commit
b2c3f8f081
14 changed files with 89 additions and 86 deletions
53
web/app.js
53
web/app.js
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@ -14,12 +14,16 @@
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*/
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/* globals PDFBug, Stats */
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import * as pdfjsLib from 'pdfjs-web/pdfjs';
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import {
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animationStarted, DEFAULT_SCALE_VALUE, getPDFFileNameFromURL, localized,
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MAX_SCALE, MIN_SCALE, mozL10n, noContextMenuHandler, normalizeWheelEventDelta,
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parseQueryString, ProgressBar, RendererType, UNKNOWN_SCALE
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} from 'pdfjs-web/ui_utils';
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import {
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build, createBlob, getDocument, getFilenameFromUrl, InvalidPDFException,
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MissingPDFException, OPS, PDFJS, shadow, UnexpectedResponseException,
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UNSUPPORTED_FEATURES, version,
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} from 'pdfjs-web/pdfjs';
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import {
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PDFRenderingQueue, RenderingStates
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} from 'pdfjs-web/pdf_rendering_queue';
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@ -140,7 +144,6 @@ var PDFViewerApplication = {
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// called once when the document is loaded
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initialize: function pdfViewInitialize(appConfig) {
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var self = this;
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var PDFJS = pdfjsLib.PDFJS;
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Preferences.initialize();
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this.preferences = Preferences;
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@ -179,7 +182,6 @@ var PDFViewerApplication = {
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*/
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_readPreferences: function () {
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var self = this;
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var PDFJS = pdfjsLib.PDFJS;
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return Promise.all([
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Preferences.get('enableWebGL').then(function resolved(value) {
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@ -445,11 +447,11 @@ var PDFViewerApplication = {
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support = false;
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}
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}
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if (support && pdfjsLib.PDFJS.disableFullscreen === true) {
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if (support && PDFJS.disableFullscreen === true) {
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support = false;
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}
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return pdfjsLib.shadow(this, 'supportsFullscreen', support);
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return shadow(this, 'supportsFullscreen', support);
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},
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get supportsIntegratedFind() {
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@ -467,7 +469,7 @@ var PDFViewerApplication = {
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get loadingBar() {
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var bar = new ProgressBar('#loadingBar', {});
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return pdfjsLib.shadow(this, 'loadingBar', bar);
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return shadow(this, 'loadingBar', bar);
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},
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get supportedMouseWheelZoomModifierKeys() {
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@ -517,7 +519,7 @@ var PDFViewerApplication = {
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var title = getPDFFileNameFromURL(url, '');
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if (!title) {
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try {
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title = decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url;
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title = decodeURIComponent(getFilenameFromUrl(url)) || url;
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} catch (e) {
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// decodeURIComponent may throw URIError,
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// fall back to using the unprocessed url in that case
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@ -632,7 +634,7 @@ var PDFViewerApplication = {
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var self = this;
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self.downloadComplete = false;
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var loadingTask = pdfjsLib.getDocument(parameters);
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var loadingTask = getDocument(parameters);
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this.pdfLoadingTask = loadingTask;
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loadingTask.onPassword = function passwordNeeded(updateCallback, reason) {
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@ -656,15 +658,15 @@ var PDFViewerApplication = {
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var loadingErrorMessage = mozL10n.get('loading_error', null,
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'An error occurred while loading the PDF.');
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if (exception instanceof pdfjsLib.InvalidPDFException) {
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if (exception instanceof InvalidPDFException) {
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// change error message also for other builds
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loadingErrorMessage = mozL10n.get('invalid_file_error', null,
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'Invalid or corrupted PDF file.');
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} else if (exception instanceof pdfjsLib.MissingPDFException) {
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} else if (exception instanceof MissingPDFException) {
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// special message for missing PDF's
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loadingErrorMessage = mozL10n.get('missing_file_error', null,
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'Missing PDF file.');
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} else if (exception instanceof pdfjsLib.UnexpectedResponseException) {
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} else if (exception instanceof UnexpectedResponseException) {
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loadingErrorMessage = mozL10n.get('unexpected_response_error', null,
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'Unexpected server response.');
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}
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@ -707,7 +709,7 @@ var PDFViewerApplication = {
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this.pdfDocument.getData().then(
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function getDataSuccess(data) {
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var blob = pdfjsLib.createBlob(data, 'application/pdf');
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var blob = createBlob(data, 'application/pdf');
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downloadManager.download(blob, url, filename);
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},
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downloadByUrl // Error occurred try downloading with just the url.
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@ -744,7 +746,7 @@ var PDFViewerApplication = {
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*/
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error: function pdfViewError(message, moreInfo) {
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var moreInfoText = mozL10n.get('error_version_info',
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{version: pdfjsLib.version || '?', build: pdfjsLib.build || '?'},
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{version: version || '?', build: build || '?'},
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'PDF.js v{{version}} (build: {{build}})') + '\n';
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if (moreInfo) {
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moreInfoText +=
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@ -822,7 +824,7 @@ var PDFViewerApplication = {
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// the loading bar will not be completely filled, nor will it be hidden.
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// To prevent displaying a partially filled loading bar permanently, we
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// hide it when no data has been loaded during a certain amount of time.
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if (pdfjsLib.PDFJS.disableAutoFetch && percent) {
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if (PDFJS.disableAutoFetch && percent) {
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if (this.disableAutoFetchLoadingBarTimeout) {
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clearTimeout(this.disableAutoFetchLoadingBarTimeout);
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this.disableAutoFetchLoadingBarTimeout = null;
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@ -885,7 +887,7 @@ var PDFViewerApplication = {
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self.loadingBar.setWidth(self.appConfig.viewerContainer);
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if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) {
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if (!PDFJS.disableHistory && !self.isViewerEmbedded) {
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// The browsing history is only enabled when the viewer is standalone,
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// i.e. not when it is embedded in a web page.
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if (!self.viewerPrefs['showPreviousViewOnLoad']) {
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@ -989,7 +991,7 @@ var PDFViewerApplication = {
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pdfDocument.getJavaScript().then(function(javaScript) {
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if (javaScript.length) {
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console.warn('Warning: JavaScript is not supported');
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self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
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self.fallback(UNSUPPORTED_FEATURES.javaScript);
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}
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// Hack to support auto printing.
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var regex = /\bprint\s*\(/;
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@ -1024,8 +1026,8 @@ var PDFViewerApplication = {
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console.log('PDF ' + pdfDocument.fingerprint + ' [' +
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info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() +
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' / ' + (info.Creator || '-').trim() + ']' +
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' (PDF.js: ' + (pdfjsLib.version || '-') +
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(!pdfjsLib.PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
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' (PDF.js: ' + (version || '-') +
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(!PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
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var pdfTitle;
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if (metadata && metadata.has('dc:title')) {
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@ -1046,7 +1048,7 @@ var PDFViewerApplication = {
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if (info.IsAcroFormPresent) {
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console.warn('Warning: AcroForm/XFA is not supported');
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self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.forms);
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self.fallback(UNSUPPORTED_FEATURES.forms);
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}
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if (typeof PDFJSDev !== 'undefined' &&
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@ -1329,7 +1331,10 @@ function loadAndEnablePDFBug(enabledTabs) {
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script.src = appConfig.debuggerScriptPath;
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script.onload = function () {
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PDFBug.enable(enabledTabs);
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PDFBug.init(pdfjsLib, appConfig.mainContainer);
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PDFBug.init({
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PDFJS,
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OPS,
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}, appConfig.mainContainer);
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resolve();
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};
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script.onerror = function () {
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@ -1375,8 +1380,6 @@ function webViewerInitialized() {
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appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
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}
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var PDFJS = pdfjsLib.PDFJS;
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if ((typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) ||
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PDFViewerApplication.viewerPrefs['pdfBugEnabled']) {
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// Special debugging flags in the hash section of the URL.
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@ -1555,7 +1558,7 @@ function webViewerPageRendered(e) {
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thumbnailView.setImage(pageView);
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}
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if (pdfjsLib.PDFJS.pdfBug && Stats.enabled && pageView.stats) {
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if (PDFJS.pdfBug && Stats.enabled && pageView.stats) {
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Stats.add(pageNumber, pageView.stats);
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}
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@ -1720,7 +1723,7 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
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webViewerFileInputChange = function webViewerFileInputChange(e) {
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var file = e.fileInput.files[0];
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if (!pdfjsLib.PDFJS.disableCreateObjectURL &&
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if (!PDFJS.disableCreateObjectURL &&
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typeof URL !== 'undefined' && URL.createObjectURL) {
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PDFViewerApplication.open(URL.createObjectURL(file));
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} else {
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@ -1843,7 +1846,7 @@ function webViewerPageChanging(e) {
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}
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// we need to update stats
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if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) {
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if (PDFJS.pdfBug && Stats.enabled) {
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var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
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if (pageView.stats) {
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Stats.add(page, pageView.stats);
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