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- import resolveUri from '@jridgewell/resolve-uri';
- import stripFilename from './strip-filename';
- type Resolve = (source: string | null) => string;
- export default function resolver(
- mapUrl: string | null | undefined,
- sourceRoot: string | undefined,
- ): Resolve {
- const from = stripFilename(mapUrl);
- // The sourceRoot is always treated as a directory, if it's not empty.
- // https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
- // https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
- const prefix = sourceRoot ? sourceRoot + '/' : '';
- return (source) => resolveUri(prefix + (source || ''), from);
- }
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