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build.config.ts
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build.config.ts
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// import { copy, mkdirp, readFile, writeFile } from 'fs-extra'
// import { dirname, resolve } from 'pathe'
import { copy, mkdirp, readFile, writeFile } from 'fs-extra'
import { dirname, resolve } from 'pathe'
import { defineBuildConfig } from 'unbuild'
const shikiDir = dirname(require.resolve('shiki/package.json'))
export default defineBuildConfig({
declaration: false,
rollup: {
inlineDependencies: true,
emitCJS: false,
replace: {
preventAssignment: false,
delimiters: ['', ''],
values: {
'const isBrowser = ': 'const isBrowser = true ||',
'window': '({})',
'await fetch(': 'await (globalThis.__shiki_fetch__||globalThis.fetch)(',
},
},
},
entries: [
'./src/shiki',
'./src/shiki.node',
],
hooks: {
'build:before': async ({ options: { rootDir } }) => {
const genDir = resolve(rootDir, 'gen')
await mkdirp(genDir)
const shiki = await import('shiki')
const assets = [
...shiki.BUNDLED_LANGUAGES.map(({ path }) => `languages/${path}`),
...shiki.BUNDLED_THEMES.map(theme => `themes/${theme}.json`),
].map(asset => ` '${asset}': () => import('shiki/${asset}')`)
await writeFile(resolve(genDir, 'assets.ts'), `export default {\n${assets.join(',\n')}\n}`)
.catch(console.error)
await readFile(resolve(shikiDir, 'dist/onig.wasm'), 'base64')
.then(async onigasm => await writeFile(
resolve(genDir, 'onig.ts'),
`export default () => "${onigasm}"`,
'utf-8',
).catch(console.error))
.catch(console.error)
},
'rollup:done': async ({ options: { outDir } }) => {
for await (const item of ['languages', 'themes', 'dist/onig.wasm'])
await copy(resolve(shikiDir, item), resolve(outDir, 'assets', item))
await copy(resolve(shikiDir, 'dist/index.d.ts'), resolve(outDir, 'shiki.d.ts'))
},
},
})