Replace webpack with rollup

.babelrc.js

@@ -0,0 +1,8 @@
+module.exports = {
+  "presets": ["@babel/env"],
+  "env": {
+    "esm": {
+      "presets": [["@babel/env", { "modules": false }]]
+    }
+  }
+};

.size-snapshot.json

@@ -0,0 +1,7 @@
+{
+  "dist/gl-matrix-min.js": {
+    "bundled": 193205,
+    "minified": 48824,
+    "gzipped": 11861
+  }
+}

.travis.yml

@@ -4,4 +4,4 @@ node_js:
   - "8.0.0"
 script:
   - npm run build
-  - mocha --compilers js:babel-register --recursive spec
+  - npm run test

package.json

@@ -26,29 +26,28 @@
     }
   ],
   "scripts": {
-    "test": "mocha --require babel-register --recursive spec",
+    "test": "mocha --require @babel/register --recursive spec",
     "old_test": "jasmine-node spec",
     "doc": "jsdoc -c jsdoc.config.json",
     "update-license-version": "node utils/update-license-version.js",
-    "build-umd": "webpack --config utils/webpack.config.js",
-    "build-min": "webpack --config utils/webpack.config.min.js",
+    "build-umd": "rollup -c",
     "build-esm": "BABEL_ENV=esm babel src -d dist/esm",
-    "build-cjs": "BABEL_ENV=production babel src -d dist/cjs",
-    "build": "del dist && npm run update-license-version && npm run build-umd && npm run build-min && npm run build-esm && npm run build-cjs && node ./utils/build.js"
+    "build-cjs": "babel src -d dist/cjs",
+    "build": "del dist && npm run update-license-version && npm run build-umd && npm run build-esm && npm run build-cjs && node ./utils/build.js"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
-    "babel-loader": "^7.1.4",
-    "babel-preset-env": "^1.7.0",
-    "babel-register": "^6.26.0",
+    "@babel/cli": "^7.1.5",
+    "@babel/core": "^7.1.6",
+    "@babel/preset-env": "^7.1.6",
+    "@babel/register": "^7.0.0",
     "del-cli": "^1.1.0",
     "jsdoc": "^3.5.5",
     "mocha": "^5.1.1",
     "node-libs-browser": "^2.1.0",
-    "uglifyjs-webpack-plugin": "^1.2.5",
-    "webpack": "^4.20.2",
-    "webpack-cli": "^3.1.1"
+    "rollup": "^0.67.3",
+    "rollup-plugin-babel": "^4.0.3",
+    "rollup-plugin-size-snapshot": "^0.7.0",
+    "rollup-plugin-terser": "^3.0.0"
   },
   "dependencies": {}
 }

rollup.config.js

@@ -0,0 +1,44 @@
+import babel from 'rollup-plugin-babel';
+import { terser } from 'rollup-plugin-terser';
+import { sizeSnapshot } from 'rollup-plugin-size-snapshot';
+
+const version = require('./package.json').version;
+const license = require('./utils/license-template');
+
+const input = './src/index.js';
+const name = 'glMatrix';
+
+const bannerPlugin = {
+  banner: `/*!
+@fileoverview gl-matrix - High performance matrix and vector operations
+@author Brandon Jones
+@author Colin MacKenzie IV
+@version ${version}
+
+${license}
+
+*/`
+}
+
+export default [
+  {
+    input,
+    output: { file: 'dist/gl-matrix.js', format: 'umd', name },
+    plugins: [
+      bannerPlugin,
+      babel()
+    ]
+  },
+  {
+    input,
+    output: { file: 'dist/gl-matrix-min.js', format: 'umd', name },
+    plugins: [
+      bannerPlugin,
+      babel(),
+      sizeSnapshot(),
+      terser({
+        output: { comments: /^!/ }
+      })
+    ]
+  }
+];