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VSCode doesn't respect sourceRoot in declarationMaps #25322

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@michaelaird

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@michaelaird

TypeScript Version: 2.9.2

I'm running into an issue when building declaration maps with gulp-typescript/gulp-sourcemaps.

the output of gulp-sourcemaps does this:

{"version":3,"sources":["BaseClass.ts"],"names":[],"mappings":"AAAA,kBAAU,UAAU,CACpB;IACI;QAEI,OAAO,CAAC,UAAU,CAAS;;2BAOb,SAAS,EAAK,MAAM;QAK3B,WAAW,IAAI,IAAI;KAI7B;CACJ","file":"Dependency.d.ts","sourceRoot":"../../Dependency"}

where the output of tsc does this:

{"version":3,"file":"Dependency.d.ts","sourceRoot":"","sources":["../../Dependency/BaseClass.ts"],"names":[],"mappings":"AAAA,kBAAU,UAAU,CACpB;IACI;QAEI,OAAO,CAAC,UAAU,CAAS;;2BAOb,SAAS,EAAK,MAAM;QAK3B,WAAW,IAAI,IAAI;KAI7B;CACJ"}

Expected behavior:

VSCode should respect sourceRoot and find the source code

Actual behavior:

VSCode can't find the declaration when navigating.

I can provide a simple repro if needed.

Note

In VSCode, when you try to navigate it does nothing. In VS 15.8.0 Preview 3 it navigates to the d.ts file.

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