Set up rollup for webchannel-wrapper

packages/webchannel-wrapper/bloom-blob/package.json

@@ -1,8 +1,9 @@
 {
   "name": "@firebase/webchannel-wrapper/bloom-blob",
   "description": "Bloom filter related code from the Closure library.",
-  "browser": "../dist/bloom-blob/bloom_blob_es2018.js",
-  "module": "../dist/bloom-blob/bloom_blob_es2018.js",
+  "main": "../dist/bloom-blob/bloom_blob_es2018.js",
+  "browser": "../dist/bloom-blob/esm/bloom_blob_es2018.js",
+  "module": "../dist/bloom-blob/esm/bloom_blob_es2018.js",
   "esm5": "../dist/bloom-blob/bloom_blob_es5.js",
   "typings": "../dist/bloom-blob/bloom_blob_types.d.ts"
 }

packages/webchannel-wrapper/empty.js

@@ -0,0 +1,7 @@
+/**
+ * This package has no main entry point and only allows imports from its
+ * two subpaths. This file is provided for the top-level package.json
+ * "main" field to point to.
+ */
+
+export default {};

packages/webchannel-wrapper/package.json

@@ -3,17 +3,19 @@
   "version": "0.10.7",
   "description": "A wrapper of the webchannel packages from closure-library for use outside of a closure compiled application",
   "author": "Firebase <[email protected]> (https://firebase.google.com/)",
-  "main": "dist/index.js",
-  "module": "dist/index.js",
-  "esm5": "dist/index.esm.js",
+  "main": "empty.js",
   "exports": {
     "./webchannel-blob": {
       "types": "./dist/webchannel-blob/webchannel_blob_types.d.ts",
-      "default": "./dist/webchannel-blob/webchannel_blob_es2018.js"
+      "require": "./dist/webchannel-blob/webchannel_blob_es2018.js",
+      "esm5": "./dist/webchannel-blob/webchannel_blob_es5.js",
+      "default": "./dist/webchannel-blob/esm/webchannel_blob_es2018.js"
     },
     "./bloom-blob": {
       "types": "./dist/bloom-blob/bloom_blob_types.d.ts",
-      "default": "./dist/bloom-blob/bloom_blob_es2018.js"
+      "require": "./dist/bloom-blob/bloom_blob_es2018.js",
+      "es5": "./dist/bloom-blob/bloom_blob_es5.js",
+      "default": "./dist/bloom-blob/esm/bloom_blob_es2018.js"
     },
     "./package.json": "./package.json"
   },
@@ -24,18 +26,16 @@
   ],
   "scripts": {
     "dev": "watch 'yarn build' src",
-    "build": "gulp",
+    "build": "rollup -c",
     "test": "echo 'No test suite for webchannel-wrapper'",
     "test:ci": "echo 'No test suite for webchannel-wrapper'"
   },
   "license": "Apache-2.0",
   "devDependencies": {
     "closure-net": "git+https://github.com/google/closure-net.git#9844d60",
     "@rollup/plugin-commonjs": "21.1.0",
-    "gulp": "4.0.2",
-    "gulp-concat": "2.6.1",
-    "gulp-sourcemaps": "3.0.0",
     "rollup": "2.79.1",
+    "rollup-plugin-copy": "3.5.0",
     "rollup-plugin-sourcemaps": "0.6.3",
     "rollup-plugin-typescript2": "0.31.2",
     "typescript": "4.7.4"
@@ -45,7 +45,7 @@
     "type": "git",
     "url": "git+https://github.com/firebase/firebase-js-sdk.git"
   },
-  "typings": "./dist/types.d.ts",
+  "typings": "./dist/webchannel-blob/webchannel_blob_types.d.ts",
   "bugs": {
     "url": "https://github.com/firebase/firebase-js-sdk/issues"
   }

packages/webchannel-wrapper/rollup.config.js

@@ -0,0 +1,76 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { join } from 'path';
+import copy from 'rollup-plugin-copy';
+import commonjs from '@rollup/plugin-commonjs';
+import typescriptPlugin from 'rollup-plugin-typescript2';
+import typescript from 'typescript';
+import { emitModulePackageFile } from '../../scripts/build/rollup_emit_module_package_file';
+import pkg from './package.json';
+
+const closureBlobsDir = '../../node_modules/closure-net/firebase/';
+
+const es2017BuildPlugins = [
+  copy({
+    targets: [
+      { src: join(closureBlobsDir, 'webchannel_blob_*.*'), dest: 'dist/webchannel-blob'},
+      { src: join(closureBlobsDir, 'bloom_blob_*.*'), dest: 'dist/bloom-blob'},
+    ]
+  }),
+  typescriptPlugin({
+    typescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        target: 'es2017'
+      }
+    }
+  }),
+  commonjs()
+];
+
+/**
+ * ESM builds
+ */
+const esm2017Builds = [
+  {
+    input: join(closureBlobsDir, 'webchannel_blob_es2018.js'),
+    output: {
+      file: pkg.exports['./webchannel-blob'].default,
+      format: 'es',
+      sourcemap: true
+    },
+    plugins: [
+      ...es2017BuildPlugins,
+      emitModulePackageFile()
+    ]
+  },
+  {
+    input: join(closureBlobsDir, 'bloom_blob_es2018.js'),
+    output: {
+      file: pkg.exports['./bloom-blob'].default,
+      format: 'es',
+      sourcemap: true
+    },
+    plugins: [
+      ...es2017BuildPlugins,
+      emitModulePackageFile()
+    ]
+  }
+];
+
+export default esm2017Builds;

packages/webchannel-wrapper/tsconfig.json

@@ -4,5 +4,6 @@
     "declaration": false,
     "outDir": "dist",
     "downlevelIteration": true,
-  }
+  },
+  "include": ["../../node_modules/closure-net/firebase"]
 }

packages/webchannel-wrapper/webchannel-blob/package.json

@@ -1,8 +1,9 @@
 {
   "name": "@firebase/webchannel-wrapper/webchannel-blob",
   "description": "Webchannel related code from the Closure library.",
-  "browser": "../dist/webchannel-blob/webchannel_blob_es2018.js",
-  "module": "../dist/webchannel-blob/webchannel_blob_es2018.js",
+  "main": "../dist/webchannel-blob/webchannel_blob_es2018.js",
+  "browser": "../dist/webchannel-blob/esm/webchannel_blob_es2018.js",
+  "module": "../dist/webchannel-blob/esm/webchannel_blob_es2018.js",
   "esm5": "../dist/webchannel-blob/webchannel_blob_es5.js",
   "typings": "../dist/webchannel-blob/webchannel_blob_types.d.ts"
 }

yarn.lock

@@ -6127,13 +6127,6 @@ concat-stream@^2.0.0:
     readable-stream "^3.0.2"
     typedarray "^0.0.6"
 
-concat-with-sourcemaps@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
-  integrity sha512-4gEjHJFT9e+2W/77h/DS5SGUgwDaOwprX8L/gl5+3ixnzkVJJsZWDSelmN3Oilw3LNDZjZV0yqH1hLG3k6nghg==
-  dependencies:
-    source-map "^0.6.1"
-
 config-chain@^1.1.11, config-chain@^1.1.12:
   version "1.1.13"
   resolved "https://registry.npmjs.org/config-chain/-/config-chain-1.1.13.tgz"
@@ -9330,15 +9323,6 @@ gulp-cli@^2.2.0:
     v8flags "^3.2.0"
     yargs "^7.1.0"
 
-[email protected]:
-  version "2.6.1"
-  resolved "https://registry.npmjs.org/gulp-concat/-/gulp-concat-2.6.1.tgz#633d16c95d88504628ad02665663cee5a4793353"
-  integrity sha512-a2scActrQrDBpBbR3WUZGyGS1JEPLg5PZJdIa7/Bi3GuKAmPYDK6SFhy/NZq5R8KsKKFvtfR0fakbUCcKGCCjg==
-  dependencies:
-    concat-with-sourcemaps "^1.0.0"
-    through2 "^2.0.0"
-    vinyl "^2.0.0"
-
 [email protected]:
   version "7.0.0"
   resolved "https://registry.npmjs.org/gulp-filter/-/gulp-filter-7.0.0.tgz"