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Typescript sourcemaps resolve to absolute full path when running live #4657

@peterbud

Description

@peterbud

Describe the bug

Similar to #137 typsecript sourcemaps resolve to absolute full path when running live.

Reproduction

$ npx create-vite-app
$ npm i
$ echo "console.log('test')" > src/test.ts
$ echo "import './test'" >> src/main.js
$ npm run dev

$ curl 'http://localhost:3000/src/test.ts'                                                                                        
console.log("test");

//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIkM6L1RFU1Qvdml0ZS1zb3VyY2VtYXAvc3JjL3Rlc3QudHMiXSwic291cmNlc0NvbnRlbnQiOlsiY29uc29sZS5sb2coJ3Rlc3QnKTtcclxuIl0sIm1hcHBpbmdzIjoiQUFBQSxRQUFRLElBQUk7IiwibmFtZXMiOltdfQ==

Which resolves to (Please note the absolute path):

{"version":3,
"sources":["C:/TEST/vite-sourcemap/src/test.ts"],
"sourcesContent":["console.log('test');\r\n"],
"mappings":"AAAA,QAAQ,IAAI;",
"names":[]}

Also in DevTools you see duplicate entries, which leads to some strange behavior at debug:
Screenshot 2021-08-19 141249

System Info

System:
    OS: Windows 10 10.0.19043
    CPU: (8) x64 Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz  
    Memory: 3.87 GB / 15.78 GB
  Binaries:
    Node: 16.3.0 - C:\Program Files\nodejs\node.EXE        
    Yarn: 1.22.10 - ~\AppData\Roaming\npm\yarn.CMD
    npm: 7.15.1 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Edge: Spartan (44.19041.1023.0), Chromium (92.0.902.73)
    Internet Explorer: 11.0.19041.906
  npmPackages:
    vite: ^2.5.0 => 2.5.0

Used Package Manager

pnpm

Logs

vite:config no config file found. +0ms
  vite:config using resolved config: {
  vite:config   root: 'C:/TEST/vite-sourcemap',
  vite:config   base: '/',
  vite:config   mode: 'development',
  vite:config   configFile: undefined,
  vite:config   logLevel: undefined,
  vite:config   clearScreen: undefined,
  vite:config   server: { fs: { strict: undefined, allow: [Array] } },
  vite:config   configFileDependencies: [],
  vite:config   inlineConfig: {
  vite:config     root: undefined,
  vite:config     base: undefined,
  vite:config     mode: undefined,
  vite:config     configFile: undefined,
  vite:config     logLevel: undefined,
  vite:config     clearScreen: undefined,
  vite:config     server: { fs: [Object] }
  vite:config   },
  vite:config   resolve: { dedupe: undefined, alias: [ [Object], [Object] ] },
  vite:config   publicDir: 'C:\\TEST\\vite-sourcemap\\public',
  vite:config   cacheDir: 'C:\\TEST\\vite-sourcemap\\node_modules\\.vite',
  vite:config   command: 'serve',
  vite:config   isProduction: false,
  vite:config   plugins: [
  vite:config     'vite:pre-alias',
  vite:config     'alias',
  vite:config     'vite:modulepreload-polyfill',
  vite:config     'vite:resolve',
  vite:config     'vite:html',
  vite:config     'vite:css',
  vite:config     'vite:esbuild',
  vite:config     'vite:json',
  vite:config     'vite:wasm',
  vite:config     'vite:worker',
  vite:config     'vite:asset',
  vite:config     'vite:define',
  vite:config     'vite:css-post',
  vite:config     'vite:client-inject',
  vite:config     'vite:import-analysis'
  vite:config   ],
  vite:config   build: {
  vite:config     target: [ 'es2019', 'edge88', 'firefox78', 'chrome87', 'safari13.1' ],
  vite:config     polyfillModulePreload: true,
  vite:config     outDir: 'dist',
  vite:config     assetsDir: 'assets',
  vite:config     assetsInlineLimit: 4096,
  vite:config     cssCodeSplit: true,
  vite:config     sourcemap: false,
  vite:config     rollupOptions: {},
  vite:config     commonjsOptions: { include: [Array], extensions: [Array] },
  vite:config     dynamicImportVarsOptions: { warnOnError: true, exclude: [Array] },
  vite:config     minify: 'terser',
  vite:config     terserOptions: {},
  vite:config     write: true,
  vite:config     emptyOutDir: null,
  vite:config     manifest: false,
  vite:config     lib: false,
  vite:config     ssr: false,
  vite:config     ssrManifest: false,
  vite:config     brotliSize: true,
  vite:config     chunkSizeWarningLimit: 500,
  vite:config     watch: null
  vite:config   },
  vite:config   env: { BASE_URL: '/', MODE: 'development', DEV: true, PROD: false },
  vite:config   assetsInclude: [Function: assetsInclude],
  vite:config   logger: {
  vite:config     hasWarned: false,
  vite:config     info: [Function: info],
  vite:config     warn: [Function: warn],
  vite:config     warnOnce: [Function: warnOnce],
  vite:config     error: [Function: error],
  vite:config     clearScreen: [Function: clearScreen],
  vite:config     hasErrorLogged: [Function: hasErrorLogged]
  vite:config   },
  vite:config   createResolver: [Function: createResolver],
  vite:config   optimizeDeps: { esbuildOptions: { keepNames: undefined } }
  vite:config } +6ms
  vite:deps Hash is consistent. Skipping. Use --force to override. +0ms

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