Replace browserify/uglify-js with webpack, shrink markdownlint-browser.js (fixes #362).

demo/webpack.config.js

@@ -0,0 +1,67 @@
+// @ts-check
+
+"use strict";
+
+const webpack = require("webpack");
+
+function config(options) {
+  const { entry, filename, mode, packageJson } = options;
+  const { name, version, homepage, license } = packageJson;
+  return {
+    "devtool": false,
+    "entry": entry,
+    "externals": {
+      "markdown-it": "markdownit"
+    },
+    "mode": mode,
+    "name": name,
+    "output": {
+      "filename": filename,
+      "library": name.replace(/(-\w)/g, (m) => m.slice(1).toUpperCase()),
+      "path": __dirname
+    },
+    "plugins": [
+      new webpack.BannerPlugin({
+        "banner": `${name} ${version} ${homepage} @license ${license}`
+      }),
+      new webpack.DefinePlugin({
+        "process.env.NODE_DEBUG": false
+      })
+    ],
+    "resolve": {
+      "fallback": {
+        "fs": false,
+        "os": false,
+        "path": false,
+        "util": false
+      }
+    }
+  };
+}
+
+module.exports = [
+  config({
+    "entry": "../lib-es3/lib/markdownlint.js",
+    "filename": "markdownlint-browser.js",
+    "mode": "development",
+    "packageJson": require("../package.json")
+  }),
+  config({
+    "entry": "../lib-es3/lib/markdownlint.js",
+    "filename": "markdownlint-browser.min.js",
+    "mode": "production",
+    "packageJson": require("../package.json")
+  }),
+  config({
+    "entry": "../lib-es3/helpers/helpers.js",
+    "filename": "markdownlint-rule-helpers-browser.js",
+    "mode": "development",
+    "packageJson": require("../helpers/package.json")
+  }),
+  config({
+    "entry": "../lib-es3/helpers/helpers.js",
+    "filename": "markdownlint-rule-helpers-browser.min.js",
+    "mode": "production",
+    "packageJson": require("../helpers/package.json")
+  })
+];