const tsConfigPaths = require('tsconfig-paths'); const tsConfig = require('./tsconfig.json'); // Typescript compiler doesn't rewrite absolute paths back to relative // when compiling production code to /build. Instead we have to use // tsconfig-paths to do that job when we run our production start script. // https://github.com/microsoft/TypeScript/issues/10866 tsConfigPaths.register({ baseUrl: tsConfig.compilerOptions.outDir, paths: tsConfig.compilerOptions.paths, });