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Update windows paths to include file:// and fix tests. (mathjax/MathJax#3481). #1404

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Merged
dpvc merged 3 commits into from
Jan 10, 2026
Merged

Update windows paths to include file:// and fix tests. (mathjax/MathJax#3481). #1404

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8963392
Update windows paths to include file:// and fix tests. (mathjax/MathJ…
dpvc Dec 30, 2025
4c23062
Fix test broken by context.path change.
dpvc Jan 8, 2026
01dc8da
Fix windows test (correctly this time).
dpvc Jan 10, 2026
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7 changes: 4 additions & 3 deletions testsuite/tests/util/Context-windows.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,10 @@ describe('context object', () => {

test('context', async () => {
let {context, hasWindow} = await import("#js/util/context.js");
expect(context.path('C:\\test.js')).toBe('C:/test.js');
expect(context.path('/C:/test.js')).toBe('C:/test.js');
expect(context.path('/test.js')).toBe('/test.js');
expect(context.path('C:\\test.js')).toBe('file://C:/test.js');
expect(context.path('/C:/test.js')).toBe('file://C:/test.js');
expect(context.path('/test.js')).toBe('file:///test.js');
expect(context.path('./test.js')).toBe('./test.js');
delete context.path;
expect(context).toEqual({window: window, document: window.document, os: 'Windows'});
expect(hasWindow).toBe(true);
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7 changes: 6 additions & 1 deletion ts/util/asyncLoad/system.ts
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Expand Up @@ -27,7 +27,12 @@ import { context } from '../context.js';
declare const System: { import: (name: string, url?: string) => any };
declare const __dirname: string;

let root = 'file://' + context.path(__dirname).replace(/\/[^/]*\/[^/]*$/, '/');
let root =
'file://' +
context
.path(__dirname)
.replace(/\/[^/]*\/[^/]*$/, '/')
.replace(/^file:\/\//, '');

if (!mathjax.asyncLoad && typeof System !== 'undefined' && System.import) {
mathjax.asyncLoad = (name: string) => {
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4 changes: 2 additions & 2 deletions ts/util/context.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,6 @@ export const context = {
if (context.os === 'Windows') {
context.path = (file: string) =>
file.match(/^[/\\]?[a-zA-Z]:[/\\]/)
? file.replace(/\\/g, '/').replace(/^\//, '')
: file;
? 'file://' + file.replace(/\\/g, '/').replace(/^\//, '')
: file.replace(/^\//, 'file:///');
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@zorkow zorkow Jan 7, 2026

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This now leads to an error in Context-node.test.ts:

Received: "file:///C:/test.js"

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@dpvc dpvc Jan 8, 2026

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OK, I forgot about this test (I didn't run it on windows, and that test is only performed there).

I fixed the test. I had to merge your fix/windows-tests branch to get the tests to run on windows, but that is still listed as a draft PR. Do you want to make it a full PR so we can include it in 4.1.1?

}