zulip/web/shared/tsconfig.json

{
    "compilerOptions": {
        /* Type Checking */
        "exactOptionalPropertyTypes": true,
        "noFallthroughCasesInSwitch": true,
        "noImplicitOverride": true,
        "noImplicitReturns": true,
        "noUncheckedIndexedAccess": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "strict": true,

        /* Modules */
        "moduleResolution": "node",
        "rootDir": "src",

        /* Emit */
        "declaration": true,
        "outDir": "lib",
        "sourceMap": true,

        /* JavaScript Support */
        "allowJs": true,

        /* Interop Constraints */
        "esModuleInterop": true,
        "forceConsistentCasingInFileNames": true,
        "isolatedModules": true,

        /* Language and Environment */
        "target": "esnext",
    },
    "include": ["src"],
}