-
-
Notifications
You must be signed in to change notification settings - Fork 6.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
23 changed files
with
485 additions
and
21 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| import path from 'node:path' | ||
| import type { OutputBundle, OutputChunk } from 'rollup' | ||
| import MagicString from 'magic-string' | ||
| import { getHash, normalizePath } from '../utils' | ||
| import type { Plugin } from '../plugin' | ||
| import type { ResolvedConfig } from '../config' | ||
| import type { IndexHtmlTransformHook } from './html' | ||
|
|
||
| const hashPlaceholderLeft = '!~{' | ||
| const hashPlaceholderRight = '}~' | ||
| const hashPlaceholderOverhead = | ||
| hashPlaceholderLeft.length + hashPlaceholderRight.length | ||
| export const maxHashSize = 22 | ||
| // from https://github.com/rollup/rollup/blob/91352494fc722bcd5e8e922cd1497b34aec57a67/src/utils/hashPlaceholders.ts#L41-L46 | ||
| const hashPlaceholderRE = new RegExp( | ||
| // eslint-disable-next-line regexp/strict, regexp/prefer-w | ||
| `${hashPlaceholderLeft}[0-9a-zA-Z_$]{1,${ | ||
| maxHashSize - hashPlaceholderOverhead | ||
| }}${hashPlaceholderRight}`, | ||
| 'g', | ||
| ) | ||
|
|
||
| const hashPlaceholderToFacadeModuleIdHashMap = new Map() | ||
|
|
||
| function augmentFacadeModuleIdHash(name: string): string { | ||
| return name.replace( | ||
| hashPlaceholderRE, | ||
| (match) => hashPlaceholderToFacadeModuleIdHashMap.get(match) ?? match, | ||
| ) | ||
| } | ||
|
|
||
| export function createChunkImportMap( | ||
| bundle: OutputBundle, | ||
| base: string = '', | ||
| ): Record<string, string> { | ||
| return Object.fromEntries( | ||
| Object.values(bundle) | ||
| .filter((chunk): chunk is OutputChunk => chunk.type === 'chunk') | ||
| .map((output) => { | ||
| return [ | ||
| base + augmentFacadeModuleIdHash(output.preliminaryFileName), | ||
| base + output.fileName, | ||
| ] | ||
| }), | ||
| ) | ||
| } | ||
|
|
||
| export function chunkImportMapPlugin(): Plugin { | ||
| return { | ||
| name: 'vite:chunk-importmap', | ||
|
|
||
| // If the hash part is simply removed, there is a risk of key collisions within the importmap. | ||
| // For example, both `foo/index-[hash].js` and `index-[hash].js` would become `assets/index-.js`. | ||
| // Therefore, a hash is generated from the facadeModuleId to avoid this issue. | ||
| renderChunk(code, _chunk, _options, meta) { | ||
| Object.values(meta.chunks).forEach((chunk) => { | ||
| const hashPlaceholder = chunk.fileName.match(hashPlaceholderRE)?.[0] | ||
| if (!hashPlaceholder) return | ||
| if (hashPlaceholderToFacadeModuleIdHashMap.get(hashPlaceholder)) return | ||
|
|
||
| hashPlaceholderToFacadeModuleIdHashMap.set( | ||
| hashPlaceholder, | ||
| getHash(chunk.facadeModuleId ?? chunk.fileName), | ||
| ) | ||
| }) | ||
|
|
||
| const codeProcessed = augmentFacadeModuleIdHash(code) | ||
| return { | ||
| code: codeProcessed, | ||
| map: new MagicString(codeProcessed).generateMap({ | ||
| hires: 'boundary', | ||
| }), | ||
| } | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| export function postChunkImportMapHook( | ||
| config: ResolvedConfig, | ||
| ): IndexHtmlTransformHook { | ||
| return (html, ctx) => { | ||
| if (!config.build.chunkImportMap) return | ||
|
|
||
| const { filename, bundle } = ctx | ||
|
|
||
| const relativeUrlPath = path.posix.relative( | ||
| config.root, | ||
| normalizePath(filename), | ||
| ) | ||
| const assetsBase = getBaseInHTML(relativeUrlPath, config) | ||
|
|
||
| return { | ||
| html, | ||
| tags: [ | ||
| { | ||
| tag: 'script', | ||
| attrs: { type: 'importmap' }, | ||
| children: JSON.stringify({ | ||
| imports: createChunkImportMap(bundle!, assetsBase), | ||
| }), | ||
| injectTo: 'head-prepend', | ||
| }, | ||
| ], | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function getBaseInHTML(urlRelativePath: string, config: ResolvedConfig) { | ||
| // Prefer explicit URL if defined for linking to assets and public files from HTML, | ||
| // even when base relative is specified | ||
| return config.base === './' || config.base === '' | ||
| ? path.posix.join( | ||
| path.posix.relative(urlRelativePath, '').slice(0, -2), | ||
| './', | ||
| ) | ||
| : config.base | ||
| } |
Oops, something went wrong.