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fix: inject sourcesContent into sourcemaps if missing #2283

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merged 1 commit into from
Feb 26, 2021
Merged

fix: inject sourcesContent into sourcemaps if missing #2283

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20 changes: 20 additions & 0 deletions packages/vite/src/node/server/sourcemap.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
import { promises as fs } from 'fs'
import path from 'path'

export async function injectSourcesContent(
map: { sources: string[]; sourcesContent?: string[]; sourceRoot?: string },
file: string
) {
const sourceRoot = await fs.realpath(
path.resolve(path.dirname(file), map.sourceRoot || '')
)
map.sourcesContent = []
await Promise.all(
map.sources.map(async (sourcePath, i) => {
map.sourcesContent![i] = await fs.readFile(
path.resolve(sourceRoot, sourcePath),
'utf-8'
)
})
)
}
8 changes: 8 additions & 0 deletions packages/vite/src/node/server/transformRequest.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import {
} from '../utils'
import { checkPublicFile } from '../plugins/asset'
import { ssrTransform } from '../ssr/ssrTransform'
import { injectSourcesContent } from './sourcemap'

const debugLoad = createDebugger('vite:load')
const debugTransform = createDebugger('vite:transform')
Expand Down Expand Up @@ -135,6 +136,13 @@ export async function transformRequest(
map = transformResult.map
}

if (map && mod.file) {
map = (typeof map === 'string' ? JSON.parse(map) : map) as SourceMap
if (map.mappings && !map.sourcesContent) {
await injectSourcesContent(map, mod.file)
}
}

if (ssr) {
return (mod.ssrTransformResult = await ssrTransform(code, map as SourceMap))
} else {
Expand Down