tsconfig.json

{
  "ts-node": {
    "swc": true
  },
  "compileOnSave": true,
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "moduleResolution": "node16",
    "module": "Node16",
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "outDir": "./built",
    "allowJs": false,
    "target": "ES2020",
    "allowUnreachableCode": false,
    "noImplicitReturns": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "sourceMap": true,
    "typeRoots": ["./typings"],
    "strict": true, // FULL strict mode
    "strictNullChecks": true, // No null / undefined errors
    "strictPropertyInitialization": true, // Class fields must be initialized
    "noImplicitAny": true, // Cannot use `any`
    "noImplicitThis": true, // No implicit this
    "alwaysStrict": true, // Emit 'use strict'
    "noFallthroughCasesInSwitch": true, // Safer switch statements
    "noUnusedLocals": true, // Warn on unused locals
    "noUnusedParameters": true, // Warn on unused function params
    "noImplicitOverride": true, // Require `override` keyword
    "plugins": [
      {
        "name": "swc",
        "options": {
          "jsc": {
            "parser": {
              "syntax": "ecmascript",
              "decorators": true,
              "dynamicImport": true
            },
            "transform": {
              "legacyDecorator": true,
              "removeConsole": false,
              "removeDebugger": false,
              "minify": true,
              "comments": false
            }
          }
        }
      }
    ]
  },
  "include": ["./src/**/*"],
  "exclude": ["./plugins/**/*", "./typings/**/*", "./built/**/*"]
}