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60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
// To add a new version, copy and adjust one of the `importPDFJS*` functions below,
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// add the variant to the "switch" statement, and add to `pdfjsVersions` in webpack.config.js
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import 'core-js/stable/global-this' // polyfill for globalThis (used by pdf.js)
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import 'core-js/stable/promise/all-settled' // polyfill for Promise.allSettled (used by pdf.js)
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import getMeta from '../../../utils/meta'
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import { createWorker } from '../../../utils/worker'
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async function importPDFJS210() {
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const cMapUrl = '/js/pdfjs-dist210/cmaps/'
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const imageResourcesPath = '/images/pdfjs-dist210'
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const [PDFJS, PDFJSViewer] = await Promise.all([
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import('pdfjs-dist210/legacy/build/pdf'),
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import('pdfjs-dist210/legacy/web/pdf_viewer'),
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import('pdfjs-dist210/legacy/web/pdf_viewer.css'),
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])
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createWorker(() => {
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PDFJS.GlobalWorkerOptions.workerPort = new Worker(
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new URL('pdfjs-dist210/legacy/build/pdf.worker.js', import.meta.url)
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)
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})
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return { PDFJS, PDFJSViewer, cMapUrl, imageResourcesPath }
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}
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async function importPDFJS213() {
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const cMapUrl = '/js/pdfjs-dist213/cmaps/'
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const imageResourcesPath = '/images/pdfjs-dist213'
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const [PDFJS, PDFJSViewer] = await Promise.all([
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import('pdfjs-dist213/legacy/build/pdf'),
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import('pdfjs-dist213/legacy/web/pdf_viewer'),
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import('pdfjs-dist213/legacy/web/pdf_viewer.css'),
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])
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createWorker(() => {
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PDFJS.GlobalWorkerOptions.workerPort = new Worker(
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new URL('pdfjs-dist213/legacy/build/pdf.worker.js', import.meta.url)
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)
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})
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return { PDFJS, PDFJSViewer, cMapUrl, imageResourcesPath }
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}
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async function importPDFJS() {
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const variant = getMeta('ol-pdfjsVariant', 'default')
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switch (variant) {
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case '213':
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return importPDFJS213()
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case '210':
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case 'default':
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return importPDFJS210()
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}
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}
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export default importPDFJS()
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