chore: Add npm run build scripts, using a common Rollup config file

.eslintrc.yaml

@@ -3,13 +3,14 @@ root: true
 env:
   es6: true
 
+parserOptions:
+  ecmaVersion: 2018
+  sourceType: module
+
 overrides:
   - files: ["*/src/*.js"]
     extends:
       - ./eslint-base.yaml
-    parserOptions:
-      ecmaVersion: 9
-      sourceType: module
 
   - files: ["*/src/*.ts"]
     parser: "@typescript-eslint/parser"

fluent-bundle/package.json

@@ -39,6 +39,8 @@
     "parser"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs",
     "test": "mocha 'test/*_test.js'"
   },
   "engines": {

fluent-dedent/package.json

@@ -24,6 +24,8 @@
     "ftl"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs",
     "test": "mocha 'test/*_test.js'"
   },
   "engines": {

fluent-dom/package.json

@@ -34,6 +34,8 @@
     "format"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs --globals cached-iterable:CachedIterable",
     "test": "c8 mocha -ui tdd --require ./test/index.js 'test/*_test.js'"
   },
   "engines": {

fluent-gecko/package.json

@@ -27,6 +27,9 @@
     "localization",
     "l10n"
   ],
+  "scripts": {
+    "build": "make build"
+  },
   "devDependencies": {
     "rollup-plugin-node-resolve": "^4.2.2"
   }

fluent-langneg/package.json

@@ -32,6 +32,8 @@
     "language-negotiation"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs",
     "test": "mocha 'test/*_test.js'"
   },
   "engines": {

fluent-react/package.json

@@ -41,6 +41,8 @@
     "reactjs"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs --globals @fluent/sequence:FluentSequence,cached-iterable:CachedIterable,react:React,prop-types:PropTypes",
     "test": "jest --collect-coverage"
   },
   "engines": {

fluent-sequence/package.json

@@ -27,6 +27,8 @@
     "ftl"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs",
     "test": "mocha 'test/*_test.js'"
   },
   "engines": {

fluent-syntax/package.json

@@ -41,6 +41,8 @@
     "parser"
   ],
   "scripts": {
+    "build": "tsc",
+    "postbuild": "rollup -c ../rollup.config.mjs",
     "test": "mocha 'test/*_test.js'"
   },
   "engines": {

package.json

@@ -8,6 +8,7 @@
     "./fluent-*"
   ],
   "scripts": {
+    "build": "npm run build -ws",
     "lint": "eslint --max-warnings 0 'fluent-*/{src,test}/**/*.{js,ts}'",
     "test:common": "c8 mocha 'fluent-*/test/*_test.js'",
     "test": "npm run test:common && npm test -w fluent-dom && npm test -w fluent-react"

rollup.config.mjs

@@ -0,0 +1,31 @@
+import { promises } from "fs";
+
+// 'fs/promises' is only available from Node.js 14.0.0
+const { readFile } = promises;
+
+const globalName = {
+  "@fluent/bundle": "FluentBundle",
+  "@fluent/dedent": "FluentDedent",
+  "@fluent/dom": "FluentDOM",
+  "@fluent/langneg": "FluentLangNeg",
+  "@fluent/react": "FluentReact",
+  "@fluent/sequence": "FluentSequence",
+  "@fluent/syntax": "FluentSyntax",
+};
+
+module.exports = async function() {
+  // Current dir is the package's own directory here
+  const pkgSrc = await readFile("package.json", "utf8");
+  const { name, version } = JSON.parse(pkgSrc);
+
+  return {
+    input: "esm/index.js",
+    output: {
+      file: "index.js",
+      format: "umd",
+      amd: { id: name },
+      name: globalName[name],
+      banner: `/* ${name}@${version} */`,
+    },
+  };
+};