Ensure const-check plugin order (#257)

experimental/babel-preset-env/data/plugin-features.js

@@ -1,5 +1,10 @@
 module.exports = {
   // es2015
+  "check-es2015-constants": {
+    features: [
+      "const",
+    ],
+  },
   "transform-es2015-arrow-functions": {
     features: [
       "arrow functions",
@@ -27,11 +32,6 @@ module.exports = {
       "object literal extensions / computed properties",
     ],
   },
-  "check-es2015-constants": {
-    features: [
-      "const",
-    ],
-  },
   "transform-es2015-destructuring": {
     features: [
       "destructuring, assignment",

experimental/babel-preset-env/data/plugins.json

@@ -1,4 +1,14 @@
 {
+  "check-es2015-constants": {
+    "chrome": 49,
+    "edge": 14,
+    "firefox": 51,
+    "safari": 10,
+    "node": 6,
+    "ios": 10,
+    "opera": 36,
+    "electron": 1
+  },
   "transform-es2015-arrow-functions": {
     "chrome": 47,
     "edge": 13,
@@ -50,16 +60,6 @@
     "opera": 31,
     "electron": 0.31
   },
-  "check-es2015-constants": {
-    "chrome": 49,
-    "edge": 14,
-    "firefox": 51,
-    "safari": 10,
-    "node": 6,
-    "ios": 10,
-    "opera": 36,
-    "electron": 1
-  },
   "transform-es2015-destructuring": {
     "chrome": 51,
     "edge": 15,

experimental/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt

@@ -9,12 +9,12 @@ Using targets:
 Modules transform: false
 
 Using plugins:
+  check-es2015-constants {"uglify":true}
   transform-es2015-arrow-functions {"uglify":true}
   transform-es2015-block-scoped-functions {"uglify":true}
   transform-es2015-block-scoping {"uglify":true}
   transform-es2015-classes {"uglify":true}
   transform-es2015-computed-properties {"uglify":true}
-  check-es2015-constants {"uglify":true}
   transform-es2015-destructuring {"uglify":true}
   transform-es2015-duplicate-keys {"uglify":true}
   transform-es2015-for-of {"uglify":true}
@@ -39,4 +39,4 @@ Using polyfills:
   web.timers {"chrome":55}
   web.immediate {"chrome":55}
   web.dom.iterable {"chrome":55}
-src/in.js -> lib/in.js
+src/in.js -> lib/in.js

experimental/babel-preset-env/test/debug-fixtures/builtins/stdout.txt

@@ -10,12 +10,12 @@ Using targets:
 Modules transform: commonjs
 
 Using plugins:
+  check-es2015-constants {"ie":10}
   transform-es2015-arrow-functions {"ie":10}
   transform-es2015-block-scoped-functions {"ie":10}
   transform-es2015-block-scoping {"ie":10}
   transform-es2015-classes {"ie":10}
   transform-es2015-computed-properties {"ie":10}
-  check-es2015-constants {"ie":10}
   transform-es2015-destructuring {"ie":10,"node":6}
   transform-es2015-duplicate-keys {"ie":10}
   transform-es2015-for-of {"ie":10,"node":6}
@@ -120,4 +120,4 @@ Using polyfills:
   web.timers {"chrome":54,"ie":10,"node":6}
   web.immediate {"chrome":54,"ie":10,"node":6}
   web.dom.iterable {"chrome":54,"ie":10,"node":6}
-src/in.js -> lib/in.js
+src/in.js -> lib/in.js

experimental/babel-preset-env/test/debug-fixtures/electron/stdout.txt

@@ -8,8 +8,8 @@ Using targets:
 Modules transform: commonjs
 
 Using plugins:
-  transform-es2015-block-scoping {"electron":0.36}
   check-es2015-constants {"electron":0.36}
+  transform-es2015-block-scoping {"electron":0.36}
   transform-es2015-destructuring {"electron":0.36}
   transform-es2015-for-of {"electron":0.36}
   transform-es2015-function-name {"electron":0.36}
@@ -66,4 +66,4 @@ Using polyfills:
   web.timers {"electron":0.36}
   web.immediate {"electron":0.36}
   web.dom.iterable {"electron":0.36}
-src/in.js -> lib/in.js
+src/in.js -> lib/in.js

experimental/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt

@@ -13,12 +13,12 @@ Using targets:
 Modules transform: commonjs
 
 Using plugins:
+  check-es2015-constants {"edge":13,"firefox":49,"ie":10,"ios":9,"safari":7}
   transform-es2015-arrow-functions {"ie":10,"ios":9,"safari":7}
   transform-es2015-block-scoped-functions {"ie":10,"ios":9,"safari":7}
   transform-es2015-block-scoping {"edge":13,"firefox":49,"ie":10,"ios":9,"safari":7}
   transform-es2015-classes {"ie":10,"ios":9,"safari":7}
   transform-es2015-computed-properties {"ie":10,"safari":7}
-  check-es2015-constants {"edge":13,"firefox":49,"ie":10,"ios":9,"safari":7}
   transform-es2015-destructuring {"edge":13,"firefox":49,"ie":10,"ios":9,"safari":7}
   transform-es2015-duplicate-keys {"ie":10,"safari":7}
   transform-es2015-for-of {"edge":13,"firefox":49,"ie":10,"ios":9,"safari":7}

experimental/babel-preset-env/test/fixtures/sanity/check-es2015-constants/exec.js

@@ -0,0 +1,2 @@
+const one = 123;
+one = 432;

experimental/babel-preset-env/test/fixtures/sanity/check-es2015-constants/options.json

@@ -0,0 +1,6 @@
+{
+  "presets": [
+    ["../../../../lib"]
+  ],
+  "throws": "\"one\" is read-only"
+}