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Replace *most* cases of var with let/const in the examples/ folder

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These changes were done automatically, by using the `gulp lint --fix` command, in preparation for the next patch.
This commit is contained in:
Jonas Jenwald 2021-03-12 17:08:17 +01:00
parent 56fd01bf8d
commit 276fa4ad8f
15 changed files with 196 additions and 194 deletions
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82
examples/mobile-viewer/viewer.js
View file

@ -20,20 +20,20 @@ if (!pdfjsLib.getDocument || !pdfjsViewer.PDFViewer) {
alert("Please build the pdfjs-dist library using\n `gulp dist-install`");
}
var USE_ONLY_CSS_ZOOM = true;
var TEXT_LAYER_MODE = 0; // DISABLE
var MAX_IMAGE_SIZE = 1024 * 1024;
var CMAP_URL = "../../node_modules/pdfjs-dist/cmaps/";
var CMAP_PACKED = true;
const USE_ONLY_CSS_ZOOM = true;
const TEXT_LAYER_MODE = 0; // DISABLE
const MAX_IMAGE_SIZE = 1024 * 1024;
const CMAP_URL = "../../node_modules/pdfjs-dist/cmaps/";
const CMAP_PACKED = true;
pdfjsLib.GlobalWorkerOptions.workerSrc =
"../../node_modules/pdfjs-dist/build/pdf.worker.js";
var DEFAULT_URL = "../../web/compressed.tracemonkey-pldi-09.pdf";
var DEFAULT_SCALE_DELTA = 1.1;
var MIN_SCALE = 0.25;
var MAX_SCALE = 10.0;
var DEFAULT_SCALE_VALUE = "auto";
const DEFAULT_URL = "../../web/compressed.tracemonkey-pldi-09.pdf";
const DEFAULT_SCALE_DELTA = 1.1;
const MIN_SCALE = 0.25;
const MAX_SCALE = 10.0;
const DEFAULT_SCALE_VALUE = "auto";
var PDFViewerApplication = {
pdfLoadingTask: null,
@ -59,12 +59,12 @@ var PDFViewerApplication = {
);
}
var url = params.url;
var self = this;
const url = params.url;
const self = this;
this.setTitleUsingUrl(url);
// Loading document.
var loadingTask = pdfjsLib.getDocument({
const loadingTask = pdfjsLib.getDocument({
url,
maxImageSize: MAX_IMAGE_SIZE,
cMapUrl: CMAP_URL,
@ -88,9 +88,9 @@ var PDFViewerApplication = {
self.setTitleUsingMetadata(pdfDocument);
},
function (exception) {
var message = exception && exception.message;
var l10n = self.l10n;
var loadingErrorMessage;
const message = exception && exception.message;
const l10n = self.l10n;
let loadingErrorMessage;
if (exception instanceof pdfjsLib.InvalidPDFException) {
// change error message also for other builds
@ -134,14 +134,14 @@ var PDFViewerApplication = {
* destruction is completed.
*/
close() {
var errorWrapper = document.getElementById("errorWrapper");
const errorWrapper = document.getElementById("errorWrapper");
errorWrapper.hidden = true;
if (!this.pdfLoadingTask) {
return Promise.resolve();
}
var promise = this.pdfLoadingTask.destroy();
const promise = this.pdfLoadingTask.destroy();
this.pdfLoadingTask = null;
if (this.pdfDocument) {
@ -159,14 +159,14 @@ var PDFViewerApplication = {
},
get loadingBar() {
var bar = new pdfjsViewer.ProgressBar("#loadingBar", {});
const bar = new pdfjsViewer.ProgressBar("#loadingBar", {});
return pdfjsLib.shadow(this, "loadingBar", bar);
},
setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
this.url = url;
var title = pdfjsLib.getFilenameFromUrl(url) || url;
let title = pdfjsLib.getFilenameFromUrl(url) || url;
try {
title = decodeURIComponent(title);
} catch (e) {
@ -177,9 +177,9 @@ var PDFViewerApplication = {
},
setTitleUsingMetadata(pdfDocument) {
var self = this;
const self = this;
pdfDocument.getMetadata().then(function (data) {
var info = data.info,
const info = data.info,
metadata = data.metadata;
self.documentInfo = info;
self.metadata = metadata;
@ -200,9 +200,9 @@ var PDFViewerApplication = {
")"
);
var pdfTitle;
let pdfTitle;
if (metadata && metadata.has("dc:title")) {
var title = metadata.get("dc:title");
const title = metadata.get("dc:title");
// Ghostscript sometimes returns 'Untitled', so prevent setting the
// title to 'Untitled.
if (title !== "Untitled") {
@ -226,8 +226,8 @@ var PDFViewerApplication = {
},
error: function pdfViewError(message, moreInfo) {
var l10n = this.l10n;
var moreInfoText = [
const l10n = this.l10n;
const moreInfoText = [
l10n.get(
"error_version_info",
{ version: pdfjsLib.version || "?", build: pdfjsLib.build || "?" },
@ -269,20 +269,20 @@ var PDFViewerApplication = {
}
}
var errorWrapper = document.getElementById("errorWrapper");
const errorWrapper = document.getElementById("errorWrapper");
errorWrapper.hidden = false;
var errorMessage = document.getElementById("errorMessage");
const errorMessage = document.getElementById("errorMessage");
errorMessage.textContent = message;
var closeButton = document.getElementById("errorClose");
const closeButton = document.getElementById("errorClose");
closeButton.onclick = function () {
errorWrapper.hidden = true;
};
var errorMoreInfo = document.getElementById("errorMoreInfo");
var moreInfoButton = document.getElementById("errorShowMore");
var lessInfoButton = document.getElementById("errorShowLess");
const errorMoreInfo = document.getElementById("errorMoreInfo");
const moreInfoButton = document.getElementById("errorShowMore");
const lessInfoButton = document.getElementById("errorShowLess");
moreInfoButton.onclick = function () {
errorMoreInfo.hidden = false;
moreInfoButton.hidden = true;
@ -302,7 +302,7 @@ var PDFViewerApplication = {
},
progress: function pdfViewProgress(level) {
var percent = Math.round(level * 100);
const percent = Math.round(level * 100);
// Updating the bar if value increases.
if (percent > this.loadingBar.percent || isNaN(percent)) {
this.loadingBar.percent = percent;
@ -322,7 +322,7 @@ var PDFViewerApplication = {
},
zoomIn: function pdfViewZoomIn(ticks) {
var newScale = this.pdfViewer.currentScale;
let newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.ceil(newScale * 10) / 10;
@ -332,7 +332,7 @@ var PDFViewerApplication = {
},
zoomOut: function pdfViewZoomOut(ticks) {
var newScale = this.pdfViewer.currentScale;
let newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.floor(newScale * 10) / 10;
@ -342,18 +342,18 @@ var PDFViewerApplication = {
},
initUI: function pdfViewInitUI() {
var eventBus = new pdfjsViewer.EventBus();
const eventBus = new pdfjsViewer.EventBus();
this.eventBus = eventBus;
var linkService = new pdfjsViewer.PDFLinkService({
const linkService = new pdfjsViewer.PDFLinkService({
eventBus,
});
this.pdfLinkService = linkService;
this.l10n = pdfjsViewer.NullL10n;
var container = document.getElementById("viewerContainer");
var pdfViewer = new pdfjsViewer.PDFViewer({
const container = document.getElementById("viewerContainer");
const pdfViewer = new pdfjsViewer.PDFViewer({
container,
eventBus,
linkService,
@ -413,8 +413,8 @@ var PDFViewerApplication = {
eventBus.on(
"pagechanging",
function (evt) {
var page = evt.pageNumber;
var numPages = PDFViewerApplication.pagesCount;
const page = evt.pageNumber;
const numPages = PDFViewerApplication.pagesCount;
document.getElementById("pageNumber").value = page;
document.getElementById("previous").disabled = page <= 1;