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Temporary workaround for Babel issue affecting web-app tests

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The Babel plugin `@babel/plugin-transform-regenerator` used in the web-app Jest tests
(as part of @babel/preset-env) introduces a bug when transforming this specific minified
lightweight built.
The issue is that the mangled `ArrayStream` class name (`n` in the specific case) gets wrongly
reused and shadowed by a local variable in the `readPacket` function.
As a workaround for the problem, and to not have to amend the babel config for each monorepo workspace,
we disable mangling the specific class name.
This commit is contained in:
larabr 2024-03-11 11:41:14 +01:00
parent 299342946d
commit 61c744e769
1 changed files with 9 additions and 0 deletions
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9
rollup.config.js
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@ -51,6 +51,15 @@ const terserOptions = {
compress: {
unsafe: true
},
/**
* The Babel plugin `@babel/plugin-transform-regenerator` used in the web-app Jest tests
* (as part of @babel/preset-env) introduces a bug when transforming the minified lightweight built.
* The issue is that the mangled `ArrayStream` class name (`n` in the specific case) gets wrongly
* reused and shadowed by a local variable in the `readPacket` function (see https://github.com/babel/babel/issues/16334).
* As a workaround for the problem, and to not have to amend the babel config for each monorepo workspace, we disable mangling
* the specific class name.
*/
mangle: { reserved: ['ArrayStream'] },
output: {
comments: '/^(?:!|#__)/',
preserve_annotations: true