is/tsconfig.json

{
    "compileOnSave": true,
    "compilerOptions": {
        "target": "es5",
        "strict": true,
        "declaration": true,
        "sourceMap": true,
        "outDir": "dist",
        "lib": [
            "es2015", "dom", "scripthost"
        ]
    },
    "include": [
        "src/**/*.ts",
        "tests/**/*.ts"
    ]
}