bcoin: get browserify working.

.babelrc

@@ -1,10 +1,11 @@
 {
   "presets": [
-    ["es2017"],
-    ["es2016"],
-    ["es2015", {
-      "loose": true,
-      "spec": false
+    ["env", {
+      "targets": {
+        "browsers": ["last 2 versions"]
+      },
+      "useBuiltins": "usage",
+      "loose": true
     }]
   ],
   "plugins": [

browser/src/app.js

@@ -25,7 +25,6 @@ const logger = new Logger({
   console: true
 });
 
-if (0)
 logger.writeConsole = function writeConsole(level, module, args) {
   const name = Logger.levelsByVal[level];
   const msg = this.fmt(args, false);

lib/wallet/node-browser.js

@@ -1,3 +0,0 @@
-'use strict';
-
-exports.unsupported = true;

package.json

@@ -49,15 +49,13 @@
     "babel-core": "^6.25.0",
     "babel-loader": "^7.1.1",
     "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-preset-es2016": "^6.24.1",
-    "babel-preset-es2017": "^6.24.1",
     "babel-preset-env": "^1.6.0",
+    "babelify": "^7.3.0",
+    "browserify": "^14.5.0",
     "eslint": "^4.4.1",
-    "hash.js": "^1.1.3",
     "jsdoc": "^3.5.4",
     "mocha": "^3.5.0",
-    "node-loader": "^0.6.0",
+    "uglify-es": "^3.1.3",
     "uglifyjs-webpack-plugin": "^1.0.0-beta.2",
     "webpack": "^3.5.4"
   },
@@ -69,6 +67,8 @@
     "bcoin-spvnode": "./bin/spvnode"
   },
   "scripts": {
+    "browserify":
+      "browserify -s bcoin lib/bcoin-browser.js | uglifyjs -c > bcoin.js",
     "clean": "rm -f {browser/,}{bcoin.js,bcoin-worker.js,app.js,worker.js}",
     "docs": "jsdoc -c jsdoc.json",
     "lint": "eslint $(cat .eslintfiles) || exit 0",
@@ -83,5 +83,17 @@
     "webpack-browser": "webpack --config webpack.browser.js",
     "webpack-compat": "webpack --config webpack.compat.js",
     "webpack-app": "webpack --config webpack.app.js"
+  },
+  "browser": {
+    "./lib/hd/nfkd": "./lib/hd/nfkd-browser.js",
+    "./lib/hd/wordlist": "./lib/hd/wordlist-browser.js",
+    "./lib/workers/child": "./lib/workers/child-browser.js",
+    "./lib/workers/parent": "./lib/workers/parent-browser.js",
+    "./lib/bcoin": "./lib/bcoin-browser.js",
+  },
+  "browserify": {
+    "transform": [
+      "babelify"
+    ]
   }
 }