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