SettleMint

import type { Options } from "tsdown"; export interface ConfigOptions { entry: string[]; format?: ("cjs" | "esm")[]; platform?: "node" | "browser" | "neutral"; external?: string[] | ((id: string) => boolean); target?: string; outDir?: string; shims?: boolean; banner?: { js?: string }; define?: Record<string, string>; minifyOverride?: boolean; dts?: boolean; } const isProd = process.env.NODE_ENV === "production"; export const createConfig = (options: ConfigOptions): Options => { const config: Options = { entry: options.entry, format: options.format || ["cjs", "esm"], dts: options.dts ?? true, sourcemap: !isProd || "inline", treeshake: isProd, minify: options.minifyOverride ?? isProd, target: options.target || (options.platform === "browser" ? "es2022" : "node20"), platform: options.platform === "browser" ? "browser" : "node", external: options.external, outDir: options.outDir, shims: options.shims, define: { __DEV__: JSON.stringify(!isProd), __PROD__: JSON.stringify(isProd), __VERSION__: JSON.stringify(process.env.npm_package_version || "dev"), ...options.define, }, outputOptions: { banner: options.banner?.js, }, outExtensions: ({ format }) => ({ js: format === "cjs" ? ".cjs" : ".js", }), }; return config; }; export const createMultiConfig = (configs: ConfigOptions[]) => { return configs.map(createConfig); }; export const createNodePackage = (entry: string[], options: Partial<ConfigOptions> = {}) => createConfig({ entry, format: ["cjs", "esm"], platform: "node", ...options, }); export const createBrowserPackage = (entry: string[], options: Partial<ConfigOptions> = {}) => createConfig({ entry, format: ["esm"], platform: "browser", external: ["node:*", "crypto"], define: { __BROWSER__: "true", }, ...options, }); export const createCLIPackage = (entry: string[], options: Partial<ConfigOptions> = {}) => createConfig({ entry, format: ["esm"], platform: "node", shims: true, target: "node20", external: ["node:*"], define: { __CLI_VERSION__: JSON.stringify(process.env.npm_package_version || "dev"), }, dts: false, ...options, }); export const createUtilsPackage = (modules: string[], options: Partial<ConfigOptions> = {}) => { const configs: ConfigOptions[] = [ // Main barrel export { entry: ["src/index.ts"], format: ["cjs", "esm"], platform: "node", ...options, }, // Individual modules for tree shaking ...modules.map( (module): ConfigOptions => ({ entry: [`src/${module}.ts`], format: ["cjs", "esm"], platform: "node", ...options, }), ), ]; return configs.map(createConfig); }; export const createWebOptimizedPackage = (entry: string[], options: Partial<ConfigOptions> = {}) => { const configs: ConfigOptions[] = [ // Node.js build { entry, format: ["cjs", "esm"], platform: "node", ...options, }, // Browser build { entry, format: ["esm"], platform: "browser", outDir: "dist/browser", external: ["crypto", "node:*"], define: { __BROWSER__: "true", }, ...options, }, ]; return configs.map(createConfig); }; // Performance monitoring helpers let buildStartTime: number; export const withPerformanceMonitoring = (config: Options): Options => ({ ...config, hooks(hooks) { hooks.hook("build:prepare", (context) => { buildStartTime = Date.now(); console.log(`🏗️ Building ${context.options.pkg.name}...`); }); hooks.hook("build:done", (context) => { const duration = Date.now() - buildStartTime; console.log(`✅ Built ${context.options.pkg.name} in ${duration}ms`); }); }, }); // Smart external dependency helper export const createSmartExternal = (bundleSmall = true) => (id: string): boolean => { // Always externalize workspace packages if (id.startsWith("@settlemint/sdk-")) return true; // Always externalize Node.js built-ins if (id.startsWith("node:")) return true; // Large dependencies to externalize const largeDeps = ["viem", "ethers", "graphql", "@graphql-tools", "apollo"]; if (largeDeps.some((dep) => id.includes(dep))) return true; // Small utilities to bundle (if enabled) const smallDeps = ["ms", "debug", "chalk", "picocolors"]; if (bundleSmall && smallDeps.includes(id)) return false; // Default: externalize return true; };