feat: use webpack to build

1. use webpack to build 2. remove async/await

#17

.babelrc

@@ -1,4 +1,3 @@
 {
-  "presets": ["es2015", "stage-2"],
-  "plugins": ["transform-runtime"]
-}
+  "presets": ["@babel/preset-env"]
+}

.gitignore

@@ -1,6 +1,6 @@
 node_modules/
 packages/
-build/
 src/
 package-lock.json
 yarn.lock
+yarn-error.log

build/browser.config.js

@@ -0,0 +1,16 @@
+const path = require('path')
+
+module.exports = [
+  {
+    mode: 'production',
+    entry: './lib/index.js',
+    output: {
+      path: path.resolve(__dirname, '../dist'),
+      filename: 'app-info-parser.js',
+      library: 'AppInfoParser'
+    },
+    node: {
+      fs: 'empty'
+    }
+  }
+]

build/npm.config.js

@@ -0,0 +1,50 @@
+const path = require('path')
+
+module.exports = [
+  {
+    mode: 'production',
+    entry: './lib/index.js',
+    output: {
+      path: path.resolve(__dirname, '../src'),
+      filename: 'index.js',
+      library: 'AppInfoParser',
+      libraryTarget: 'umd'
+    },
+    module: {
+      rules: [
+        {
+          test: /\.js$/,
+          use:{
+            loader: 'babel-loader',
+          },
+          exclude: /node_modules/
+        }
+      ]
+    },
+    externals: {
+      bytebuffer: {
+        commonjs: 'bytebuffer',
+        commonjs2: 'bytebuffer',
+        amd: 'bytebuffer'
+      },
+      'cgbi-to-png': {
+        commonjs: 'cgbi-to-png',
+        commonjs2: 'cgbi-to-png',
+        amd: 'cgbi-to-png'
+      },
+      'isomorphic-unzip': {
+        commonjs: 'isomorphic-unzip',
+        commonjs2: 'isomorphic-unzip',
+        amd: 'isomorphic-unzip'
+      },
+      plist: {
+        commonjs: 'plist',
+        commonjs2: 'plist',
+        amd: 'plist'
+      }
+    },
+    node: {
+      fs: 'empty'
+    }
+  }
+]