matrix-js-sdk/tsconfig-build.json

{
    "extends": "./tsconfig.json",
    "compilerOptions": {
        "forceConsistentCasingInFileNames": true,
        "declarationMap": true,
        "sourceMap": true,
        "noEmit": false,
        "emitDecoratorMetadata": true,
        "outDir": "./lib",
        "rootDir": "src"
    },
    "exclude": ["./spec/**/*.ts"]
}