upgrade babel 7

Author: takahashim

.babelrc

@@ -1,4 +1,8 @@
 {
-    "presets": ["es2015"],
-    "plugins": ["add-module-exports"]
-}
+    "presets": [
+        "@babel/preset-env"
+    ],
+    "plugins": [
+        "babel-plugin-espower"
+    ]
+}

package.json

@@ -14,11 +14,12 @@
     "textlint-util-to-string": "^1.2.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.5.1",
-    "babel-plugin-add-module-exports": "^0.1.2",
-    "babel-preset-es2015": "^6.5.0",
+    "@babel/cli": "^7.0.0",
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
+    "@babel/register": "^7.0.0",
     "espower-babel": "^4.0.1",
-    "mocha": "^2.4.5",
+    "mocha": "^6.0.1",
     "power-assert": "^1.2.0",
     "textlint": "^5.2.1",
     "textlint-tester": "^0.4.1"

test/mocha.opts

@@ -1 +1 @@
---compilers js:espower-babel/guess
+--require @babel/register