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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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19
examples/node/getinfo.js
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@ -8,22 +8,23 @@
//
// Run `gulp dist-install` to generate 'pdfjs-dist' npm package files.
var pdfjsLib = require("pdfjs-dist/legacy/build/pdf.js");
const pdfjsLib = require("pdfjs-dist/legacy/build/pdf.js");
// Loading file from file system into typed array
var pdfPath = process.argv[2] || "../../web/compressed.tracemonkey-pldi-09.pdf";
const pdfPath =
process.argv[2] || "../../web/compressed.tracemonkey-pldi-09.pdf";
// Will be using promises to load document, pages and misc data instead of
// callback.
var loadingTask = pdfjsLib.getDocument(pdfPath);
const loadingTask = pdfjsLib.getDocument(pdfPath);
loadingTask.promise
.then(function (doc) {
var numPages = doc.numPages;
const numPages = doc.numPages;
console.log("# Document Loaded");
console.log("Number of Pages: " + numPages);
console.log();
var lastPromise; // will be used to chain promises
let lastPromise; // will be used to chain promises
lastPromise = doc.getMetadata().then(function (data) {
console.log("# Metadata Is Loaded");
console.log("## Info");
@ -36,10 +37,10 @@ loadingTask.promise
}
});
var loadPage = function (pageNum) {
const loadPage = function (pageNum) {
return doc.getPage(pageNum).then(function (page) {
console.log("# Page " + pageNum);
var viewport = page.getViewport({ scale: 1.0 });
const viewport = page.getViewport({ scale: 1.0 });
console.log("Size: " + viewport.width + "x" + viewport.height);
console.log();
return page
@ -47,7 +48,7 @@ loadingTask.promise
.then(function (content) {
// Content contains lots of information about the text layout and
// styles, but we need only strings at the moment
var strings = content.items.map(function (item) {
const strings = content.items.map(function (item) {
return item.str;
});
console.log("## Text Content");
@ -60,7 +61,7 @@ loadingTask.promise
};
// Loading of the first page will wait on metadata and subsequent loadings
// will wait on the previous pages.
for (var i = 1; i <= numPages; i++) {
for (let i = 1; i <= numPages; i++) {
lastPromise = lastPromise.then(loadPage.bind(null, i));
}
return lastPromise;