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fix: sourcemap path mangled by browser #1326

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merged 1 commit into from
Jan 3, 2021
Merged

fix: sourcemap path mangled by browser #1326

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11 changes: 10 additions & 1 deletion packages/vite/src/node/server/middlewares/transform.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,12 @@ import { send } from '../send'
import { transformRequest } from '../transformRequest'
import { isHTMLProxy } from '../../plugins/html'
import chalk from 'chalk'
import { DEP_CACHE_DIR, DEP_VERSION_RE, VALID_ID_PREFIX } from '../../constants'
import {
DEP_CACHE_DIR,
DEP_VERSION_RE,
FS_PREFIX,
VALID_ID_PREFIX
} from '../../constants'

const debugCache = createDebugger('vite:cache')
const isDebug = !!process.env.DEBUG
Expand Down Expand Up @@ -46,6 +51,10 @@ export function transformMiddleware(
const isSourceMap = withoutQuery.endsWith('.map')
// since we generate source map references, handle those requests here
if (isSourceMap) {
// #1323 - browser may remove // when fetching source maps
if (url.startsWith(FS_PREFIX)) {
url = FS_PREFIX + url.split(FS_PREFIX)[1].replace(/^\/?/, '/')
}
const originalUrl = url.replace(/\.map($|\?)/, '$1')
const map = (await moduleGraph.getModuleByUrl(originalUrl))
?.transformResult?.map
Expand Down