36 lines
1,000 B
TypeScript
36 lines
1,000 B
TypeScript
import { Compiler, Plugin } from 'next/dist/compiled/webpack'
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import { createHash } from 'crypto'
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export class HashedChunkIdsPlugin implements Plugin {
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buildId: string
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constructor(buildId: string) {
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this.buildId = buildId
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}
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apply(compiler: Compiler) {
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compiler.hooks.compilation.tap('HashedChunkIdsPlugin', compilation => {
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compilation.hooks.beforeChunkIds.tap('HashedChunkIdsPlugin', chunks => {
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for (const chunk of chunks) {
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if (chunk.id === null && chunk.name) {
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const id = chunk.name.replace(this.buildId, '')
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chunk.id = createHash('md4')
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.update(id)
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.digest('hex')
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.substr(0, 4)
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continue
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}
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const ids = [...chunk.modulesIterable]
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.map(m => m.id)
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.sort() as string[]
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const h = createHash('md4')
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ids.forEach(id => h.update(id))
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chunk.id = h.digest('hex').substr(0, 4)
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}
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})
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})
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}
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}
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