chore(scripts): convert build to tsup

Author: benjamincburns

libs/langchain-scripts/package.json

@@ -21,8 +21,9 @@
   },
   "scripts": {
     "build": "yarn clean && yarn turbo:command build:internal --filter=@langchain/scripts",
-    "build:internal": "tsc --project ./tsconfig.build.json && yarn move:artifacts && yarn build:generated",
-    "move:artifacts": "rimraf dist && mkdir -p dist && cp -r dist_build/* dist/ && mkdir -p dist/build && cp src/build/tsup.config.template.ts dist/build/",
+    "build:internal": "tsc --project ./tsconfig.build.json && yarn move:artifacts && yarn build:generated && yarn copy:template",
+    "move:artifacts": "rimraf dist && mkdir -p dist/build && cp -r dist_build/* dist/ && rimraf dist_build",
+    "copy:template": "cp src/build/tsup.config.template.ts dist/build/",
     "build:generated": "node bin/build.js --create-entrypoints --pre --tree-shaking",
     "build:turbo": "yarn turbo:command build --filter=@langchain/scripts",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
@@ -37,7 +38,8 @@
     "test:int": "NODE_OPTIONS=--experimental-vm-modules jest --testPathPattern=\\.int\\.test.ts --testTimeout 100000 --maxWorkers=50%",
     "format": "prettier --write \"src\"",
     "format:check": "prettier --check \"src\"",
-    "create:integration:doc": "node dist/cli/docs/index.js"
+    "create:integration:doc": "node dist/cli/docs/index.js",
+    "check:types": "tsc --noEmit"
   },
   "author": "LangChain",
   "license": "MIT",
@@ -59,7 +61,7 @@
     "@jest/globals": "^29.5.0",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
-    "@tsconfig/recommended": "^1.0.3",
+    "@tsconfig/recommended": "^1.0.8",
     "@types/lodash": "^4",
     "@typescript-eslint/eslint-plugin": "^6.12.0",
     "@typescript-eslint/parser": "^6.12.0",

libs/langchain-scripts/tsconfig.cjs.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@tsconfig/recommended",
+  "extends": "@tsconfig/recommended/tsconfig.json",
   "compilerOptions": {
     "outDir": "../dist",
     "rootDir": "./src",

libs/langchain-scripts/tsconfig.json

@@ -0,0 +1,31 @@
+import { defineConfig } from "tsup";
+export default defineConfig({
+  // Entry points tailored for langchain-scripts package
+  entry: [
+    "src/index.ts",
+    "src/build/index.ts",
+    "src/migrations/index.ts",
+    "src/check_broken_links.ts",
+  ],
+  // Output both ESM and CJS formats
+  format: ["esm", "cjs"],
+  // Generate declaration files
+  dts: true,
+  // Enable code splitting
+  splitting: true,
+  // Generate sourcemaps
+  sourcemap: true,
+  // Clean output directory before build
+  clean: true,
+  // Specify output directory
+  outDir: "dist",
+  // Set output extension based on format
+  outExtension({ format }) {
+    return {
+      js: format === "esm" ? ".js" : ".cjs",
+    };
+  },
+  // Ensure all external dependencies are properly excluded from the bundle
+  // These will be taken from package.json dependencies/peerDependencies
+  external: [],
+});

libs/langchain-scripts/tsup.config.ts

@@ -8552,7 +8552,7 @@ __metadata:
     "@rollup/wasm-node": ^4.19.0
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
-    "@tsconfig/recommended": ^1.0.3
+    "@tsconfig/recommended": ^1.0.8
     "@types/lodash": ^4
     "@typescript-eslint/eslint-plugin": ^6.12.0
     "@typescript-eslint/parser": ^6.12.0
@@ -12378,6 +12378,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@tsconfig/recommended@npm:^1.0.8":
+  version: 1.0.8
+  resolution: "@tsconfig/recommended@npm:1.0.8"
+  checksum: 042c543554520359a8f21ed3a18c0c23e5deee1cea3acd8d407892634354a322d42c2e378f4b3b4c9fe391f61a5701cd4e628d5b4cc60f9f17dfb817f3d46a7a
+  languageName: node
+  linkType: hard
+
 "@types/aws-lambda@npm:^8.10.83":
   version: 8.10.119
   resolution: "@types/aws-lambda@npm:8.10.119"