mapthis/tsup.config.ts at main · RomneyDa/mapthis · GitHub

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import { defineConfig } from "tsup"

/**
 * Heavy optional-peer deps must never be bundled into our dist — the
 * consumer is expected to install them only if they use the corresponding
 * subpath.
 */
const EXTERNAL = [
    "openai",
    "js-tiktoken",
    "html-to-text",
    "@googlemaps/google-maps-services-js",
    "react",
    "react-dom",
    "react/jsx-runtime",
    "@vis.gl/react-google-maps",
]

/**
 * We build in two stages:
 *
 * 1. Core entries (no React) — cleans `dist/` first.
 * 2. React entry — same `dist/` folder, but with a `"use client"` banner so
 *    the output can be imported from React Server Components in Next.js
 *    without a directive-stripping error. `clean: false` so it doesn't wipe
 *    the output of stage 1.
 *
 * tsup processes array-form configs sequentially, so stage 1 always runs
 * before stage 2.
 */
export default defineConfig([
    {
        name: "core",
        entry: {
            index: "src/index.ts",
            "utils/index": "src/utils/index.ts",
            "types/index": "src/types/index.ts",
            "scrape/index": "src/scrape/index.ts",
            "search/index": "src/search/index.ts",
            "ai/index": "src/ai/index.ts",
            "geocoding/index": "src/geocoding/index.ts",
            "generate/index": "src/generate/index.ts",
        },
        format: ["esm", "cjs"],
        dts: true,
        sourcemap: true,
        clean: true,
        treeshake: true,
        splitting: false,
        target: "es2022",
        outDir: "dist",
        external: EXTERNAL,
    },
    {
        name: "react",
        entry: { "react/index": "src/react/index.tsx" },
        format: ["esm", "cjs"],
        dts: true,
        sourcemap: true,
        clean: false,
        treeshake: true,
        splitting: false,
        target: "es2022",
        outDir: "dist",
        external: EXTERNAL,
        // Next.js / React Server Components require a `"use client"`
        // directive at the top of any client bundle. tsup/esbuild drops
        // source-level directives and silently tree-shakes banner strings
        // that look like directives, so prepend it as a post-build step.
        onSuccess: "node scripts/add-use-client.mjs",
    },
])