tsconfig.base.json
{
"version": "2.0.3",
"compilerOptions": {
"target": "es6",
"module": "commonjs",
"moduleResolution": "node",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"sourceMap": true,
"noImplicitAny": true,
"declaration": true,
"suppressImplicitAnyIndexErrors": true,
"lib": ["es2016"]
}
}