tsconfig.json

{
    "include": [
        "src/**/*.vue",
        "src/**/*.ts"
    ],
    "exclude": [
        "build",
        "cli",
        "node_modules"
    ],
    "compilerOptions": {
        "target": "es5",
        "lib": [
            "dom",
            "es5",
            "es6",
            "es7",
            "es2015.promise",
            "es2017"
        ],
        "types": [
            "node"
        ],
        "typeRoots": [
            "node_modules/@types"
        ],
        "module": "esNext",
        "moduleResolution": "node",
        "experimentalDecorators": true,
        "noImplicitAny": false,
        "noImplicitThis": false,
        "strictNullChecks": true,
        "strict": true,
        "removeComments": true,
        "suppressImplicitAnyIndexErrors": true,
        "allowSyntheticDefaultImports": true,
        "strictFunctionTypes": false,
        "baseUrl": "src",
        "allowJs": true,
        "sourceMap": true,
        "pretty": true,
        "paths": {
            "@/*": ["./*"]
        }
    }
}