pxt-common-packages/libs/core/sim/tsconfig.json

Microsoft MakeCode (PXT) common packages

{
    "compilerOptions": {
        "target": "es2017",
        "noImplicitAny": true,
        "noImplicitReturns": true,
        "lib": [
            "DOM",
            "DOM.Iterable",
            "ES2017"
        ],
        "rootDir": ".",
        "newLine": "LF",
        "sourceMap": false
    }
}