tsconfig.json

{
    "include": [
        "client/**/*.ts"
    ],
    "compilerOptions": {
        "paths": {
            "@/*": [ "./client/*" ],
            "@toast-ui/editor": [ "./node_modules/@toast-ui/editor/types/index.d.ts" ]
        },
        "noEmit": true,
        "incremental": true,
        "strict": false,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "noUnusedLocals": true,
        "alwaysStrict": true,
        "noImplicitReturns": true,
        "noUnusedParameters": true,
        "esModuleInterop": true,
        "skipLibCheck": true,
        "module": "es2020",
        "moduleResolution": "bundler",
        "lib": ["DOM", "es2020"],
        "target": "es2020",
        "isolatedModules": true
    }
}