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feat: support transpilation of
<style> blocks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| export * from './js' | ||
| export * from './sass' | ||
| export * from './vue' |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { compileString } from 'sass' | ||
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| import type { Loader, LoaderResult } from '../loader' | ||
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| export const sassLoader: Loader = async (input, { options }) => { | ||
| if (!['.sass', '.scss'].includes(input.extension)) { | ||
| return | ||
| } | ||
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| const output: LoaderResult = [] | ||
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| const contents = await input.getContents() | ||
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| output.push({ | ||
| contents: compileString(contents).css, | ||
| path: input.path, | ||
| extension: `.${options.ext || 'css'}` | ||
| }) | ||
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| return output | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,44 +1,86 @@ | ||
| import type { Loader } from '../loader' | ||
| import type { Loader, LoaderResult } from '../loader' | ||
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| export const vueLoader: Loader = async (input, { loadFile }) => { | ||
| export const vueLoader: Loader = async (input, ctx) => { | ||
| if (input.extension !== '.vue') { | ||
| return | ||
| } | ||
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| const output: LoaderResult = [{ | ||
| path: input.path, | ||
| contents: await input.getContents() | ||
| }] | ||
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| let earlyReturn = true | ||
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| for (const blockLoader of [sassLoader, scriptLoader]) { | ||
| const result = await blockLoader({ ...input, getContents: () => output[0].contents! }, ctx) | ||
| if (!result) { continue } | ||
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| earlyReturn = false | ||
| const [vueFile, ...files] = result | ||
| output[0] = vueFile | ||
| output.push(...files) | ||
| } | ||
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| if (earlyReturn) { return } | ||
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| return output | ||
| } | ||
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| interface BlockLoaderOptions { | ||
| type: 'script' | 'style' | 'template' | ||
| outputLang: string | ||
| defaultLang?: string | ||
| validExtensions?: string[] | ||
| exclude?: RegExp[] | ||
| } | ||
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| const vueBlockLoader = (opts: BlockLoaderOptions): Loader => async (input, { loadFile }) => { | ||
| const contents = await input.getContents() | ||
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| const BLOCK_RE = new RegExp(`<${opts.type}((\\s[^>\\s]*)*)>([\\S\\s.]*?)<\\/${opts.type}>`) | ||
| // eslint-disable-next-line @typescript-eslint/no-unused-vars | ||
| const [scriptBlock, attrs = '', _lastAttr, script] = contents.match(/<script((\s[^>\s]*)*)>([\S\s.]*?)<\/script>/) || [] | ||
| if (!scriptBlock || !script) { | ||
| const [block, attrs = '', _, blockContents] = contents.match(BLOCK_RE) || [] | ||
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| if (!block || !blockContents) { | ||
| return | ||
| } | ||
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| // do not transpile `<script setup>`, #14 | ||
| if (attrs.split(/\s+/g).includes('setup')) { | ||
| if (opts.exclude?.some(re => re.test(attrs))) { | ||
| return | ||
| } | ||
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| const [, lang = 'js'] = attrs.match(/lang="([a-z]*)"/) || [] | ||
| const [, lang = opts.outputLang] = attrs.match(/lang="([a-z]*)"/) || [] | ||
| const extension = '.' + lang | ||
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| const files = await loadFile({ | ||
| getContents: () => script, | ||
| getContents: () => blockContents, | ||
| path: `${input.path}${extension}`, | ||
| srcPath: `${input.srcPath}${extension}`, | ||
| extension | ||
| }) || [] | ||
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| const scriptFile = files.find(f => ['.js', '.mjs'].includes(f.extension!)) | ||
| if (!scriptFile) { | ||
| return | ||
| } | ||
| const blockOutputFile = files.find(f => f.extension === `.${opts.outputLang}` || opts.validExtensions?.includes(f.extension!)) | ||
| if (!blockOutputFile) { return } | ||
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| const newAttrs = attrs.replace(new RegExp(`\\s?lang="${lang}"`), '') | ||
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| return [ | ||
| { | ||
| path: input.path, | ||
| contents: contents.replace(scriptBlock, `<script${newAttrs}>\n${scriptFile.contents}</script>`) | ||
| contents: contents.replace(block, `<${opts.type}${newAttrs}>\n${blockOutputFile.contents?.trim()}\n</${opts.type}>`) | ||
| }, | ||
| ...files.filter(f => f !== scriptFile) | ||
| ...files.filter(f => f !== blockOutputFile) | ||
| ] | ||
| } | ||
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| const sassLoader = vueBlockLoader({ | ||
| outputLang: 'css', | ||
| type: 'style' | ||
| }) | ||
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| const scriptLoader = vueBlockLoader({ | ||
| outputLang: 'js', | ||
| type: 'script', | ||
| exclude: [/\bsetup\b/], | ||
| validExtensions: ['.js', '.mjs'] | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -14,3 +14,11 @@ export default { | |
| }) | ||
| } | ||
| </script> | ||
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| <style lang="scss" scoped> | ||
| $color: red; | ||
| .test { | ||
| color: $color; | ||
| } | ||
| </style> | ||
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