[TS/JS] Add rollup and config to generate iife flatbuffers bundle (#7449)

* Add rollup and config to generate iife flatbuffers bundle

* Atempt to use yarn and add deps

Co-authored-by: Derek Bailey <derekbailey@google.com>

.github/workflows/build.yml

@@ -446,8 +446,10 @@ jobs:
     - name: flatc
       # FIXME: make test script not rely on flatc
       run: cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_BUILD_TESTS=OFF -DFLATBUFFERS_INSTALL=OFF -DFLATBUFFERS_BUILD_FLATLIB=OFF -DFLATBUFFERS_BUILD_FLATHASH=OFF . && make -j
+    - name: deps
+      run: yarn
     - name: compile
-      run: npm run compile
+      run: yarn compile
     - name: test
       working-directory: tests
       run: python3 TypeScriptTest.py

package.json

@@ -17,7 +17,7 @@
   },
   "scripts": {
     "test": "npm run compile && cd tests && python3 ./TypeScriptTest.py",
-    "compile": "tsc && tsc -p tsconfig.mjs.json",
+    "compile": "tsc && tsc -p tsconfig.mjs.json && rollup -c",
     "prepublishOnly": "npm install --only=dev && npm run compile"
   },
   "repository": {
@@ -40,6 +40,7 @@
     "@typescript-eslint/eslint-plugin": "^4.12.0",
     "@typescript-eslint/parser": "^4.12.0",
     "eslint": "^7.17.0",
+    "rollup": "^2.78.0",
     "typescript": "^4.5.5"
   }
 }

rollup.config.js

@@ -0,0 +1,8 @@
+export default {
+  input: 'mjs/index.js',
+  output: {
+    file: 'flatbuffers.js',
+    format: 'iife',
+    name: 'flatbuffers'
+  }
+}

yarn.lock

@@ -624,6 +624,11 @@ fs.realpath@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
   integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
+fsevents@~2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
+  integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
+
 functional-red-black-tree@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
@@ -945,6 +950,13 @@ rimraf@^3.0.2:
   dependencies:
     glob "^7.1.3"
 
+rollup@^2.78.0:
+  version "2.78.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.78.0.tgz#00995deae70c0f712ea79ad904d5f6b033209d9e"
+  integrity sha512-4+YfbQC9QEVvKTanHhIAFVUFSRsezvQF8vFOJwtGfb9Bb+r014S+qryr9PSmw8x6sMnPkmFBGAvIFVQxvJxjtg==
+  optionalDependencies:
+    fsevents "~2.3.2"
+
 run-parallel@^1.1.9:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.2.0.tgz#66d1368da7bdf921eb9d95bd1a9229e7f21a43ee"