father-build

// package.json { "name": "my-library", "version": "1.0.0", "main": "dist/index.cjs.js", "module": "dist/index.esm.js", "types": "dist/index.d.ts", "scripts": { "build": "father build" }, "devDependencies": { "father": "^4.6.17", "typescript": "^5.0.0" } } // father.config.ts import { defineConfig } from 'father'; export default defineConfig({ // Target Node.js v14+ environments targets: { node: '14', }, // Configure ESM build (for modern environments) esm: { output: 'dist/esm', // Output directory for ESM platform: 'browser', // For browser-compatible ESM // Optional: add aliases alias: { '@/utils': './src/utils', }, }, // Configure CommonJS build (for Node.js) cjs: { output: 'dist/cjs', // Output directory for CJS platform: 'node', // For Node.js CommonJS }, // Configure UMD build (for browser globals) umd: { output: 'dist/umd', // Output directory for UMD name: 'MyLibrary', // Global variable name // Optional: define external globals globals: { react: 'React', 'react-dom': 'ReactDOM', }, }, // Configure Bundless build (individual file compilation) bundless: { output: 'dist/lib', // Output directory for bundless }, // Enable TypeScript declaration generation automatically // extraBabelPlugins: [], // Uncomment and add if you need custom Babel plugins // entry: 'src/index.ts', // Father can auto-detect entries, specify if needed }); // src/index.ts export function greet(name: string): string { return `Hello, ${name}! Welcome to my library.`; } export function add(a: number, b: number): number { return a + b; } // Example of an exported type definition export type User = { id: string; name: string; }; // Example function (could be framework-dependent in a real library) export function createUser(id: string, name: string): User { console.log(`Creating user with id: ${id} and name: ${name}`); return { id, name }; }