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Allow, optionally, using worker-modules during local development

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Until PR 12563 is deemed safe to land, I'd still like to be able to use worker-modules in the viewer during local development.
Hence this patch which *temporarily* adds a new `workerModules` hash-parameter, only available in non-PRODUCTION mode, that allows using worker-modules in the development viewer.

To enable this functionality, simply use http://localhost:8888/web/viewer.html#workerModules=true
This commit is contained in:
Jonas Jenwald 2023-01-31 12:00:15 +01:00
parent 3d35b48f46
commit 5e88228767
4 changed files with 19 additions and 8 deletions
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9
src/display/api.js
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@ -2101,7 +2101,12 @@ class PDFWorker {
// Some versions of FF can't create a worker on localhost, see:
// https://bugzilla.mozilla.org/show_bug.cgi?id=683280
const worker = new Worker(workerSrc);
const worker =
(typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) &&
!workerSrc.endsWith("/build/pdf.worker.js") &&
!workerSrc.endsWith("/src/worker_loader.js")
? new Worker(workerSrc, { type: "module" })
: new Worker(workerSrc);
const messageHandler = new MessageHandler("main", "worker", worker);
const terminateEarly = () => {
worker.removeEventListener("error", onWorkerError);
@ -2289,7 +2294,7 @@ class PDFWorker {
return mainWorkerMessageHandler;
}
if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) {
const worker = await import("pdfjs/core/worker.js");
const worker = await import("pdfjs/pdf.worker.js");
return worker.WorkerMessageHandler;
}
if (

6
src/pdf.worker.js vendored
View file

@ -16,8 +16,10 @@
import { WorkerMessageHandler } from "./core/worker.js";
/* eslint-disable-next-line no-unused-vars */
const pdfjsVersion = PDFJSDev.eval("BUNDLE_VERSION");
const pdfjsVersion =
typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_VERSION") : void 0;
/* eslint-disable-next-line no-unused-vars */
const pdfjsBuild = PDFJSDev.eval("BUNDLE_BUILD");
const pdfjsBuild =
typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_BUILD") : void 0;
export { WorkerMessageHandler };