fix!: Change to ES Modules to improve support of dynamic loading

packages/ai-providers/server-ai-langchain/package.json

@@ -1,23 +1,39 @@
 {
   "name": "@launchdarkly/server-sdk-ai-langchain",
-  "version": "0.3.1",
+  "version": "0.3.3",
   "description": "LaunchDarkly AI SDK LangChain Provider for Server-Side JavaScript",
   "homepage": "https://github.com/launchdarkly/js-core/tree/main/packages/ai-providers/server-ai-langchain",
   "repository": {
     "type": "git",
     "url": "https://github.com/launchdarkly/js-core.git"
   },
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "type": "commonjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.cts",
+  "type": "module",
+  "exports": {
+    ".": {
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
+    }
+  },
   "scripts": {
-    "build": "npx tsc",
+    "build": "tsup",
     "lint": "npx eslint . --ext .ts",
     "prettier": "prettier --write '**/*.@(js|ts|tsx|json|css)' --ignore-path ../../../.prettierignore",
     "lint:fix": "yarn run lint --fix",
     "check": "yarn prettier && yarn lint && yarn build && yarn test",
     "test": "jest"
   },
+  "files": [
+    "dist"
+  ],
   "keywords": [
     "launchdarkly",
     "ai",
@@ -27,6 +43,7 @@
   "author": "LaunchDarkly",
   "license": "Apache-2.0",
   "devDependencies": {
+    "@langchain/community": "^0.3.0",
     "@langchain/core": "^0.3.0",
     "@launchdarkly/server-sdk-ai": "^0.14.1",
     "@trivago/prettier-plugin-sort-imports": "^4.1.1",
@@ -44,9 +61,11 @@
     "langchain": "^0.3.0",
     "prettier": "^3.0.0",
     "ts-jest": "^29.1.1",
+    "tsup": "^8.5.1",
     "typescript": "5.1.6"
   },
   "peerDependencies": {
+    "@langchain/community": "^0.2.0 || ^0.3.0",
     "@langchain/core": "^0.2.0 || ^0.3.0",
     "@launchdarkly/server-sdk-ai": "^0.14.0",
     "langchain": "^0.2.0 || ^0.3.0"

packages/ai-providers/server-ai-langchain/tsconfig.eslint.json

@@ -1,5 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "include": ["/**/*.ts"],
+  "include": ["**/*.ts", "**/*.js"],
   "exclude": ["node_modules"]
 }

packages/ai-providers/server-ai-langchain/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2020",
-    "module": "CommonJS",
+    "module": "ES2020",
     "lib": ["ES2020"],
     "moduleResolution": "node",
     "esModuleInterop": true,

packages/ai-providers/server-ai-langchain/tsup.config.ts

@@ -0,0 +1,15 @@
+// It is a dev dependency and the linter doesn't understand.
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+  entry: {
+    index: 'src/LangChainProvider.ts',
+  },
+  format: ['esm', 'cjs'],
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+  dts: true,
+  external: [/^@launchdarkly\//],
+});

packages/ai-providers/server-ai-openai/package.json

@@ -1,23 +1,39 @@
 {
   "name": "@launchdarkly/server-sdk-ai-openai",
-  "version": "0.3.1",
+  "version": "0.3.3",
   "description": "LaunchDarkly AI SDK OpenAI Provider for Server-Side JavaScript",
   "homepage": "https://github.com/launchdarkly/js-core/tree/main/packages/ai-providers/server-ai-openai",
   "repository": {
     "type": "git",
     "url": "https://github.com/launchdarkly/js-core.git"
   },
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "type": "commonjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.cts",
+  "type": "module",
+  "exports": {
+    ".": {
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
+    }
+  },
   "scripts": {
-    "build": "npx tsc",
+    "build": "tsup",
     "lint": "npx eslint . --ext .ts",
     "prettier": "prettier --write '**/*.@(js|ts|tsx|json|css)' --ignore-path ../../../.prettierignore",
     "lint:fix": "yarn run lint --fix",
     "check": "yarn prettier && yarn lint && yarn build && yarn test",
     "test": "jest"
   },
+  "files": [
+    "dist"
+  ],
   "keywords": [
     "launchdarkly",
     "ai",
@@ -44,6 +60,7 @@
     "openai": "^6.0.0",
     "prettier": "^3.0.0",
     "ts-jest": "^29.1.1",
+    "tsup": "^8.5.1",
     "typescript": "5.1.6"
   },
   "peerDependencies": {

packages/ai-providers/server-ai-openai/tsconfig.eslint.json

@@ -1,5 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "include": ["/**/*.ts"],
+  "include": ["**/*.ts", "**/*.js"],
   "exclude": ["node_modules"]
 }

packages/ai-providers/server-ai-openai/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2020",
-    "module": "CommonJS",
+    "module": "ES2020",
     "lib": ["ES2020"],
     "moduleResolution": "node",
     "esModuleInterop": true,

packages/ai-providers/server-ai-openai/tsup.config.ts

@@ -0,0 +1,15 @@
+// It is a dev dependency and the linter doesn't understand.
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+  entry: {
+    index: 'src/OpenAIProvider.ts',
+  },
+  format: ['esm', 'cjs'],
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+  dts: true,
+  external: [/^@launchdarkly\//],
+});

packages/ai-providers/server-ai-vercel/package.json

@@ -1,23 +1,39 @@
 {
   "name": "@launchdarkly/server-sdk-ai-vercel",
-  "version": "0.3.1",
+  "version": "0.3.3",
   "description": "LaunchDarkly AI SDK Vercel Provider for Server-Side JavaScript",
   "homepage": "https://github.com/launchdarkly/js-core/tree/main/packages/ai-providers/server-ai-vercel",
   "repository": {
     "type": "git",
     "url": "https://github.com/launchdarkly/js-core.git"
   },
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "type": "commonjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.cts",
+  "type": "module",
+  "exports": {
+    ".": {
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
+    }
+  },
   "scripts": {
-    "build": "npx tsc",
+    "build": "tsup",
     "lint": "npx eslint . --ext .ts",
     "prettier": "prettier --write '**/*.@(js|ts|tsx|json|css)' --ignore-path ../../../.prettierignore",
     "lint:fix": "yarn run lint --fix",
     "check": "yarn prettier && yarn lint && yarn build && yarn test",
     "test": "jest"
   },
+  "files": [
+    "dist"
+  ],
   "keywords": [
     "launchdarkly",
     "ai",
@@ -48,6 +64,7 @@
     "jest": "^29.6.1",
     "prettier": "^3.0.0",
     "ts-jest": "^29.1.1",
+    "tsup": "^8.5.1",
     "typescript": "5.1.6"
   },
   "peerDependencies": {

packages/ai-providers/server-ai-vercel/tsconfig.eslint.json

@@ -1,5 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "include": ["/**/*.ts"],
+  "include": ["**/*.ts", "**/*.js"],
   "exclude": ["node_modules"]
 }

packages/ai-providers/server-ai-vercel/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2020",
-    "module": "CommonJS",
+    "module": "ES2020",
     "lib": ["ES2020"],
     "moduleResolution": "node",
     "esModuleInterop": true,

packages/ai-providers/server-ai-vercel/tsup.config.ts

@@ -0,0 +1,15 @@
+// It is a dev dependency and the linter doesn't understand.
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+  entry: {
+    index: 'src/VercelProvider.ts',
+  },
+  format: ['esm', 'cjs'],
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+  dts: true,
+  external: [/^@launchdarkly\//],
+});

packages/sdk/server-ai/__tests__/LDAIConfigTrackerImpl.test.ts

@@ -1,10 +1,12 @@
 import { LDContext } from '@launchdarkly/js-server-sdk-common';
 
-import { name as aiSdkName, version as aiSdkVersion } from '../package.json';
 import { LDFeedbackKind } from '../src/api/metrics';
 import { LDAIConfigTrackerImpl } from '../src/LDAIConfigTrackerImpl';
 import { LDClientMin } from '../src/LDClientMin';
 
+const aiSdkName = '@launchdarkly/server-sdk-ai';
+const aiSdkVersion = '__LD_VERSION__';
+
 const mockTrack = jest.fn();
 const mockVariation = jest.fn();
 const mockLdClient: LDClientMin = {

packages/sdk/server-ai/package.json

@@ -1,23 +1,39 @@
 {
   "name": "@launchdarkly/server-sdk-ai",
-  "version": "0.14.1",
+  "version": "0.14.3",
   "description": "LaunchDarkly AI SDK for Server-Side JavaScript",
   "homepage": "https://github.com/launchdarkly/js-core/tree/main/packages/sdk/server-ai",
   "repository": {
     "type": "git",
     "url": "https://github.com/launchdarkly/js-core.git"
   },
-  "main": "dist/src/index.js",
-  "types": "dist/src/index.d.ts",
-  "type": "commonjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.cts",
+  "type": "module",
+  "exports": {
+    ".": {
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
+    }
+  },
   "scripts": {
-    "build": "npx tsc",
+    "build": "tsup && ../../../scripts/replace-version.sh .",
     "lint": "npx eslint . --ext .ts",
     "prettier": "prettier --write '**/*.@(js|ts|tsx|json|css)' --ignore-path ../../../.prettierignore",
     "lint:fix": "yarn run lint --fix",
     "check": "yarn prettier && yarn lint && yarn build && yarn test",
     "test": "jest"
   },
+  "files": [
+    "dist"
+  ],
   "keywords": [
     "launchdarkly",
     "ai",
@@ -45,6 +61,7 @@
     "jest": "^29.6.1",
     "prettier": "^3.0.0",
     "ts-jest": "^29.1.1",
+    "tsup": "^8.5.1",
     "typescript": "5.1.6"
   },
   "peerDependencies": {

packages/sdk/server-ai/src/LDAIClientImpl.ts

@@ -1,4 +1,4 @@
-import * as Mustache from 'mustache';
+import Mustache from 'mustache';
 
 import { LDContext, LDLogger } from '@launchdarkly/js-server-sdk-common';
 

packages/sdk/server-ai/src/LDAIConfigTrackerImpl.ts

@@ -1,6 +1,5 @@
 import { LDContext } from '@launchdarkly/js-server-sdk-common';
 
-import { name as aiSdkName, version as aiSdkVersion } from '../package.json';
 import { LDAIConfigTracker } from './api/config';
 import { LDAIMetricSummary } from './api/config/LDAIConfigTracker';
 import { EvalScore, JudgeResponse } from './api/judge/types';
@@ -14,6 +13,9 @@ import {
 } from './api/metrics';
 import { LDClientMin } from './LDClientMin';
 
+const aiSdkName = '@launchdarkly/server-sdk-ai';
+const aiSdkVersion = '__LD_VERSION__';
+
 export class LDAIConfigTrackerImpl implements LDAIConfigTracker {
   private _trackedMetrics: LDAIMetricSummary = {};
 

packages/sdk/server-ai/src/api/judge/Judge.ts

@@ -1,4 +1,4 @@
-import * as Mustache from 'mustache';
+import Mustache from 'mustache';
 
 import { LDLogger } from '@launchdarkly/js-server-sdk-common';