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feat: add support for link preload/prefetch #1043

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merged 9 commits into from Apr 16, 2024

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FogelAI
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@FogelAI FogelAI commented Jul 14, 2023

This PR contains a:

  • bugfix
  • new feature
  • code refactor
  • test update
  • typo fix
  • metadata update

Motivation / Use-Case

This pull request adds webpackPrefetch and webpackPreload magic comments support of webpack at import() for css files, per this issue: #142.

It is also an alternative realization of #344 and #488 pull requests, which are not merged and are not active.

See also webpack/webpack#7056 pull request of webpack repository.

Breaking Changes

No breaking changes.

Additional Info

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linux-foundation-easycla bot commented Jul 14, 2023

CLA Not Signed

@grybykm
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grybykm commented Jul 25, 2023

@alexander-akait is it ok to merge this one?

@alexander-akait
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@grybykm @FogelAI Sorry for delay, yes, code is fine, but we need tests for it

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FogelAI commented Mar 13, 2024

Hi @alexander-akait
I have added the tests.
Please note that the commit b785fd8 is the CSS version of webpack/webpack@f5dab1b.

@alexander-akait
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@FogelAI Can you accept CLA?

]),
"}",
])};`
: "// no preloaded",
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Did you copy this code from webpack?

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Yes, with adjustments to CSS.
Except for the getLinkElements function that I added (b785fd8).

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I want to finish - webpack/webpack#18190, i.e. for built-in CSS support, then I will check code here, regaridng - getLinkElements, it is an intresting question, because I think browsers make different things - webpack/webpack#17497, we need to report about to chrome bug tracker, if it is a bug, they need to fix it, if not - I will improve our code late

src/index.js Outdated
`}`,
`return loadedLinks;`,
]),
`};`,
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Let's remove getLinkElements from here too

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It will be another investigation

src/index.js Outdated
} = /** @type {Compilation} */ (this.compilation);
const chunkMap = getCssChunkObject(
/** @type {Chunk} */ (chunk),
/** @type {Compilation} */ (this.compilation)
);
const { globalObject } = runtimeTemplate;
const { linkPreload, linkPrefetch } =
JsonpChunkLoadingRuntimeModule.getCompilationHooks(compilation);
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Please put these hooks here, i.e. just copy/paste, because this plugin can work not only with Jsonp, also with ESM modules

@alexander-akait alexander-akait merged commit ee25e51 into webpack-contrib:master Apr 16, 2024
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3 participants