packages/tsconfig.settings.json
{
"compilerOptions": {
// compulsory settings for TS Project references
"composite": true,
"declaration": true,
"declarationMap": true,
"sourceMap": true,
// our settings
"alwaysStrict": true,
"esModuleInterop": true,
"module": "commonjs",
"target": "es2016",
"downlevelIteration": true
}
}