chore: use babel-preset-env (#2442)

karma.conf.js

@@ -13,7 +13,7 @@ module.exports = function(config) {
     },
     browserify: {
       debug: true,
-      transform: [['babelify', { presets: ['es2015'], plugins: ['istanbul'] }]]
+      transform: [['babelify', { presets: ['env'], plugins: ['istanbul'] }]]
     },
     reporters: ['spec', 'coverage-istanbul'],
     coverageIstanbulReporter: {

package-lock.json

@@ -513,6 +513,17 @@
         "trim-right": "^1.0.1"
       }
     },
+    "babel-helper-builder-binary-assignment-operator-visitor": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz",
+      "integrity": "sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=",
+      "dev": true,
+      "requires": {
+        "babel-helper-explode-assignable-expression": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-types": "^6.24.1"
+      }
+    },
     "babel-helper-call-delegate": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz",
@@ -537,6 +548,17 @@
         "lodash": "^4.17.4"
       }
     },
+    "babel-helper-explode-assignable-expression": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz",
+      "integrity": "sha1-8luCz33BBDPFX3BZLVdGQArCLKo=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
     "babel-helper-function-name": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
@@ -591,6 +613,19 @@
         "lodash": "^4.17.4"
       }
     },
+    "babel-helper-remap-async-to-generator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz",
+      "integrity": "sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
     "babel-helper-replace-supers": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz",
@@ -654,12 +689,41 @@
         "test-exclude": "^4.2.1"
       }
     },
+    "babel-plugin-syntax-async-functions": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz",
+      "integrity": "sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=",
+      "dev": true
+    },
+    "babel-plugin-syntax-exponentiation-operator": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz",
+      "integrity": "sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=",
+      "dev": true
+    },
     "babel-plugin-syntax-object-rest-spread": {
       "version": "6.13.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz",
       "integrity": "sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=",
       "dev": true
     },
+    "babel-plugin-syntax-trailing-function-commas": {
+      "version": "6.22.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz",
+      "integrity": "sha1-ugNgk3+NBuQBgKQ/4NVhb/9TLPM=",
+      "dev": true
+    },
+    "babel-plugin-transform-async-to-generator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz",
+      "integrity": "sha1-ZTbjeK/2yx1VF6wOQOs+n8jQh2E=",
+      "dev": true,
+      "requires": {
+        "babel-helper-remap-async-to-generator": "^6.24.1",
+        "babel-plugin-syntax-async-functions": "^6.8.0",
+        "babel-runtime": "^6.22.0"
+      }
+    },
     "babel-plugin-transform-es2015-arrow-functions": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz",
@@ -894,6 +958,17 @@
         "regexpu-core": "^2.0.0"
       }
     },
+    "babel-plugin-transform-exponentiation-operator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz",
+      "integrity": "sha1-KrDJx/MJj6SJB3cruBP+QejeOg4=",
+      "dev": true,
+      "requires": {
+        "babel-helper-builder-binary-assignment-operator-visitor": "^6.24.1",
+        "babel-plugin-syntax-exponentiation-operator": "^6.8.0",
+        "babel-runtime": "^6.22.0"
+      }
+    },
     "babel-plugin-transform-regenerator": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz",
@@ -913,36 +988,42 @@
         "babel-types": "^6.24.1"
       }
     },
-    "babel-preset-es2015": {
+    "babel-preset-env": {
-      "version": "6.24.1",
+      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/babel-preset-es2015/-/babel-preset-es2015-6.24.1.tgz",
+      "resolved": "https://registry.npmjs.org/babel-preset-env/-/babel-preset-env-1.7.0.tgz",
-      "integrity": "sha1-1EBQ1rwsn+6nAqrzjXJ6AhBTiTk=",
+      "integrity": "sha512-9OR2afuKDneX2/q2EurSftUYM0xGu4O2D9adAhVfADDhrYDaxXV0rBbevVYoY9n6nyX1PmQW/0jtpJvUNr9CHg==",
       "dev": true,
       "requires": {
         "babel-plugin-check-es2015-constants": "^6.22.0",
+        "babel-plugin-syntax-trailing-function-commas": "^6.22.0",
+        "babel-plugin-transform-async-to-generator": "^6.22.0",
         "babel-plugin-transform-es2015-arrow-functions": "^6.22.0",
         "babel-plugin-transform-es2015-block-scoped-functions": "^6.22.0",
-        "babel-plugin-transform-es2015-block-scoping": "^6.24.1",
+        "babel-plugin-transform-es2015-block-scoping": "^6.23.0",
-        "babel-plugin-transform-es2015-classes": "^6.24.1",
+        "babel-plugin-transform-es2015-classes": "^6.23.0",
-        "babel-plugin-transform-es2015-computed-properties": "^6.24.1",
+        "babel-plugin-transform-es2015-computed-properties": "^6.22.0",
-        "babel-plugin-transform-es2015-destructuring": "^6.22.0",
+        "babel-plugin-transform-es2015-destructuring": "^6.23.0",
-        "babel-plugin-transform-es2015-duplicate-keys": "^6.24.1",
+        "babel-plugin-transform-es2015-duplicate-keys": "^6.22.0",
-        "babel-plugin-transform-es2015-for-of": "^6.22.0",
+        "babel-plugin-transform-es2015-for-of": "^6.23.0",
-        "babel-plugin-transform-es2015-function-name": "^6.24.1",
+        "babel-plugin-transform-es2015-function-name": "^6.22.0",
         "babel-plugin-transform-es2015-literals": "^6.22.0",
-        "babel-plugin-transform-es2015-modules-amd": "^6.24.1",
+        "babel-plugin-transform-es2015-modules-amd": "^6.22.0",
-        "babel-plugin-transform-es2015-modules-commonjs": "^6.24.1",
+        "babel-plugin-transform-es2015-modules-commonjs": "^6.23.0",
-        "babel-plugin-transform-es2015-modules-systemjs": "^6.24.1",
+        "babel-plugin-transform-es2015-modules-systemjs": "^6.23.0",
-        "babel-plugin-transform-es2015-modules-umd": "^6.24.1",
+        "babel-plugin-transform-es2015-modules-umd": "^6.23.0",
-        "babel-plugin-transform-es2015-object-super": "^6.24.1",
+        "babel-plugin-transform-es2015-object-super": "^6.22.0",
-        "babel-plugin-transform-es2015-parameters": "^6.24.1",
+        "babel-plugin-transform-es2015-parameters": "^6.23.0",
-        "babel-plugin-transform-es2015-shorthand-properties": "^6.24.1",
+        "babel-plugin-transform-es2015-shorthand-properties": "^6.22.0",
         "babel-plugin-transform-es2015-spread": "^6.22.0",
-        "babel-plugin-transform-es2015-sticky-regex": "^6.24.1",
+        "babel-plugin-transform-es2015-sticky-regex": "^6.22.0",
         "babel-plugin-transform-es2015-template-literals": "^6.22.0",
-        "babel-plugin-transform-es2015-typeof-symbol": "^6.22.0",
+        "babel-plugin-transform-es2015-typeof-symbol": "^6.23.0",
-        "babel-plugin-transform-es2015-unicode-regex": "^6.24.1",
+        "babel-plugin-transform-es2015-unicode-regex": "^6.22.0",
-        "babel-plugin-transform-regenerator": "^6.24.1"
+        "babel-plugin-transform-exponentiation-operator": "^6.22.0",
+        "babel-plugin-transform-regenerator": "^6.22.0",
+        "browserslist": "^3.2.6",
+        "invariant": "^2.2.2",
+        "semver": "^5.3.0"
       }
     },
     "babel-register": {
@@ -1500,6 +1581,16 @@
         "pako": "~1.0.5"
       }
     },
+    "browserslist": {
+      "version": "3.2.8",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
+      "integrity": "sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==",
+      "dev": true,
+      "requires": {
+        "caniuse-lite": "^1.0.30000844",
+        "electron-to-chromium": "^1.3.47"
+      }
+    },
     "buffer": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.8.tgz",
@@ -1606,6 +1697,12 @@
       "dev": true,
       "optional": true
     },
+    "caniuse-lite": {
+      "version": "1.0.30000874",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000874.tgz",
+      "integrity": "sha512-29nr1EPiHwrJTAHHsEmTt2h+55L8j2GNFdAcYPlRy2NX6iFz7ZZiepVI7kP/QqlnHLq3KvfWpbmGa0d063U09w==",
+      "dev": true
+    },
     "capture-stack-trace": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz",
@@ -2716,6 +2813,12 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
       "dev": true
     },
+    "electron-to-chromium": {
+      "version": "1.3.55",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.55.tgz",
+      "integrity": "sha1-8VDhCyC3fZ1Br8yjEu/gw7Gn/c4=",
+      "dev": true
+    },
     "elliptic": {
       "version": "6.4.0",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",

package.json

@@ -57,7 +57,7 @@
     "babel-core": "^6.26.0",
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-istanbul": "^4.1.6",
-    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-env": "^1.7.0",
     "babelify": "^8.0.0",
     "browserify": "^16.1.1",
     "clean-css-cli": "^4.1.11",

rollup.config.js

@@ -13,7 +13,7 @@ export default {
         }
     },
     plugins: [babel({
-        presets: [['es2015', {
+        presets: [['env', {
             modules: false
         }]],
         plugins: [