feat: Support ESM (#427)

* use bob-esbuild for ESM support

* use "export type" for rollup build

* use pnpm for "publishConfig.directory" support

* update graphql-tools

.github/workflows/publish.yml

@@ -14,14 +14,18 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@v1
         with:
-          node-version: '13.x'
-      - run: yarn install
+          node-version: '14.x'
+      - run: npm i -g pnpm
+      - run: pnpm i
       # Publish
-      - run: yarn compile
-      - run: yarn test
+      - run: pnpm compile
+      - run: pnpm test
         env:
           GH_TOKEN: ${{ secrets.GH_SPONSORS_TOKEN }}
-      - run: yarn coverage
+      - run: pnpm coverage
+      # This alias makes semantic-release to use pnpm when publishing
+      # Which adds support for "publishConfig.directory"
+      - run: alias npm=pnpm
       - run: npx semantic-release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -11,11 +11,12 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@v1
         with:
-          node-version: '13.x'
-      - run: yarn install
+          node-version: '14.x'
+      - run: npm i -g pnpm
+      - run: pnpm install
       # Test
-      - run: yarn compile
-      - run: yarn test
+      - run: pnpm compile
+      - run: pnpm test
         env:
           GH_TOKEN: ${{ secrets.GH_SPONSORS_TOKEN }}
-      - run: yarn coverage
+      - run: pnpm coverage

bob-esbuild.config.ts

@@ -0,0 +1,8 @@
+export const config: import('bob-esbuild').BobConfig = {
+  tsc: {
+    dirs: ['.'],
+  },
+  distDir: 'dist',
+  verbose: true,
+  singleBuild: true,
+}

package.json

@@ -3,24 +3,41 @@
   "description": "GraphQL Middleware done right!",
   "version": "0.0.0-semantic-release",
   "main": "dist/index.js",
+  "module": "dist/index.mjs",
   "typings": "dist/index.d.ts",
   "typescript": {
     "definition": "dist/index.d.ts"
   },
+  "exports": {
+    ".": {
+      "require": "./dist/index.js",
+      "import": "./dist/index.mjs"
+    },
+    "./*": {
+      "require": "./dist/*.js",
+      "import": "./dist/*.mjs"
+    }
+  },
+  "publishConfig": {
+    "directory": "dist"
+  },
   "author": "Matic Zavadlal <[email protected]>",
   "dependencies": {
-    "@graphql-tools/schema": "^7.1.5",
-    "@graphql-tools/delegate": "^7.1.5"
+    "@graphql-tools/delegate": "^8.0.8",
+    "@graphql-tools/schema": "^8.1.0"
   },
   "devDependencies": {
-    "@types/graphql": "^14.5.0",
     "@types/jest": "^26.0.24",
     "@types/lodash": "^4.14.172",
+    "apollo-link": "^1.2.14",
     "apollo-server": "^2.25.2",
     "axios": "^0.21.0",
+    "bob-esbuild": "^1.2.2",
+    "bob-esbuild-cli": "^1.0.1",
     "codecov": "^3.8.3",
     "graphql": "^15.5.1",
     "husky": "^6.0.0",
+    "iterall": "^1.3.0",
     "jest": "^26.6.3",
     "prettier": "^2.3.2",
     "pretty-quick": "^3.1.1",
@@ -35,7 +52,7 @@
   },
   "scripts": {
     "clean": "rimraf dist",
-    "compile": "tsc -d",
+    "compile": "bob-esbuild build",
     "coverage": "codecov",
     "test": "jest",
     "prepublishOnly": "npm run compile"