perf: improve build performance

.babelrc

@@ -1,15 +1,9 @@
 {
   "presets": [
     "@babel/typescript",
-    [
+    "@babel/preset-env"
-      "@babel/preset-env",
-      {
-        "targets": "> 0.25%, not dead"
-      }
-    ]
   ],
   "plugins": [
-    "@babel/plugin-transform-runtime",
     "@babel/plugin-proposal-class-properties",
     "angularjs-annotate"
   ]

.browserslistrc

@@ -0,0 +1,6 @@
+chrome 80 # electron 8.2
+last 2 Firefox versions
+last 2 Edge versions
+last 2 Safari versions
+last 2 Opera versions
+Firefox ESR

package-lock.json

@@ -1285,18 +1285,6 @@
         "@babel/helper-plugin-utils": "^7.8.3"
       }
     },
-    "@babel/plugin-transform-runtime": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.8.3.tgz",
-      "integrity": "sha512-/vqUt5Yh+cgPZXXjmaG9NT8aVfThKk7G4OqkVhrXqwsC5soMn/qTCxs36rZ2QFhpfTJcjw4SNDIZ4RUb8OL4jQ==",
-      "dev": true,
-      "requires": {
-        "@babel/helper-module-imports": "^7.8.3",
-        "@babel/helper-plugin-utils": "^7.8.3",
-        "resolve": "^1.8.1",
-        "semver": "^5.5.1"
-      }
-    },
     "@babel/plugin-transform-shorthand-properties": {
       "version": "7.8.3",
       "resolved": "https://registry.npmjs.org/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.8.3.tgz",

package.json

@@ -19,10 +19,8 @@
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.8.7",
     "@babel/plugin-proposal-class-properties": "^7.8.3",
-    "@babel/plugin-transform-runtime": "^7.8.3",
     "@babel/preset-env": "^7.8.7",
     "@babel/preset-typescript": "^7.8.3",
-    "@babel/runtime": "^7.8.7",
     "@types/angular": "^1.7.0",
     "@types/chai": "^4.2.11",
     "@types/lodash": "^4.14.149",

webpack.config.js

@@ -37,7 +37,7 @@ module.exports = {
     rules: [
       {
         test: /\.(js|ts)$/,
-        exclude: /node_modules/,
+        exclude: /(node_modules|snjs)/,
         use: {
           loader: 'babel-loader'
         }

webpack.dev.js

@@ -3,7 +3,6 @@ const config = require('./webpack.config.js');
 
 module.exports = merge(config, {
   mode: 'development',
-  devtool: 'source-map',
   devServer: {
     publicPath: '/dist/',
     proxy: {

webpack.prod.js

@@ -2,5 +2,6 @@ const merge = require('webpack-merge');
 const config = require('./webpack.config.js');
 
 module.exports = merge(config, {
-  mode: 'production'
+  mode: 'production',
+  devtool: 'source-map',
 });