mirror of
https://github.com/zen-browser/pdf.js.git
synced 2025-07-08 01:10:08 +02:00
Change var
to let
, and use object destructuring, in a couple of previously class converted web/*.js
files
Note that these files were among the first to be converted to ES6 classes, so it probably makes sense to do another pass to bring them inline with the most recent ES6 conversions.
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parent
699f3392e4
commit
614e8cf295
9 changed files with 113 additions and 118 deletions
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@ -35,13 +35,13 @@ class PDFOutlineViewer {
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/**
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* @param {PDFOutlineViewerOptions} options
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*/
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constructor(options) {
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constructor({ container, linkService, eventBus, }) {
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this.outline = null;
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this.lastToggleIsShow = true;
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this.container = options.container;
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this.linkService = options.linkService;
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this.eventBus = options.eventBus;
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this.container = container;
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this.linkService = linkService;
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this.eventBus = eventBus;
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}
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reset() {
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@ -77,7 +77,7 @@ class PDFOutlineViewer {
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});
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return;
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}
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var destination = item.dest;
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let destination = item.dest;
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element.href = this.linkService.getDestinationHash(destination);
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element.onclick = () => {
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@ -92,7 +92,7 @@ class PDFOutlineViewer {
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* @private
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*/
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_setStyles(element, item) {
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var styleStr = '';
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let styleStr = '';
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if (item.bold) {
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styleStr += 'font-weight: bold;';
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}
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@ -112,14 +112,14 @@ class PDFOutlineViewer {
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* @private
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*/
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_addToggleButton(div) {
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var toggler = document.createElement('div');
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let toggler = document.createElement('div');
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toggler.className = 'outlineItemToggler';
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toggler.onclick = (evt) => {
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evt.stopPropagation();
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toggler.classList.toggle('outlineItemsHidden');
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if (evt.shiftKey) {
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var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
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let shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
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this._toggleOutlineItem(div, shouldShowAll);
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}
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};
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@ -137,8 +137,8 @@ class PDFOutlineViewer {
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*/
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_toggleOutlineItem(root, show) {
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this.lastToggleIsShow = show;
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var togglers = root.querySelectorAll('.outlineItemToggler');
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for (var i = 0, ii = togglers.length; i < ii; ++i) {
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let togglers = root.querySelectorAll('.outlineItemToggler');
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for (let i = 0, ii = togglers.length; i < ii; ++i) {
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togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
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}
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}
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@ -156,32 +156,31 @@ class PDFOutlineViewer {
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/**
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* @param {PDFOutlineViewerRenderParameters} params
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*/
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render(params = {}) {
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var outline = params.outline || null;
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var outlineCount = 0;
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render({ outline, }) {
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let outlineCount = 0;
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if (this.outline) {
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this.reset();
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}
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this.outline = outline;
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this.outline = outline || null;
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if (!outline) {
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this._dispatchEvent(outlineCount);
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return;
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}
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var fragment = document.createDocumentFragment();
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var queue = [{ parent: fragment, items: this.outline, }];
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var hasAnyNesting = false;
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let fragment = document.createDocumentFragment();
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let queue = [{ parent: fragment, items: this.outline, }];
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let hasAnyNesting = false;
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while (queue.length > 0) {
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var levelData = queue.shift();
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for (var i = 0, len = levelData.items.length; i < len; i++) {
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var item = levelData.items[i];
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let levelData = queue.shift();
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for (let i = 0, len = levelData.items.length; i < len; i++) {
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let item = levelData.items[i];
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var div = document.createElement('div');
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let div = document.createElement('div');
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div.className = 'outlineItem';
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var element = document.createElement('a');
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let element = document.createElement('a');
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this._bindLink(element, item);
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this._setStyles(element, item);
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element.textContent =
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@ -193,7 +192,7 @@ class PDFOutlineViewer {
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hasAnyNesting = true;
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this._addToggleButton(div);
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var itemsDiv = document.createElement('div');
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let itemsDiv = document.createElement('div');
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itemsDiv.className = 'outlineItems';
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div.appendChild(itemsDiv);
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queue.push({ parent: itemsDiv, items: item.items, });
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