Go to the TypeScript source file instead of the type definition file in VS Code

Since Typescript 2.9 it is possible to compile your library with the declarationMap flag ./node_modules/typescript/bin/tsc -p . –declarationMap Doing so creates a declaration map file (dist/ActionApi.d.ts.map) and a link to the map at the bottom of the corresponding d.ts file //# sourceMappingURL=ActionApi.d.ts.map When VSCodes encounters such a declarationMap it knows where to go to and … Read more