frequi_origin/tsconfig.json

{
    "compilerOptions": {
        // this aligns with Vue's browser support
        "target": "es5",
        // this enables stricter inference for data properties on `this`
        "strict": true,
        // if using webpack 2+ or rollup, to leverage tree shaking:
        "module": "es2015",
        "moduleResolution": "node"
    },
    "include": [
        "src/**/*.ts",
        "src/**/*.tsx",
        "src/**/*.vue",
        "tests/**/*.ts",
        "tests/**/*.tsx"
    ]
}