refactor: use utility to read json (#122)

Author: popomore

lib/loader/egg_loader.js

@@ -8,6 +8,7 @@ const debug = require('debug')('egg-core');
 const homedir = require('node-homedir');
 const FileLoader = require('./file_loader');
 const ContextLoader = require('./context_loader');
+const utility = require('utility');
 const utils = require('../utils');
 
 
@@ -35,7 +36,7 @@ class EggLoader {
      * @see {@link AppInfo#pkg}
      * @since 1.0.0
      */
-    this.pkg = require(path.join(this.options.baseDir, 'package.json'));
+    this.pkg = utility.readJSONSync(path.join(this.options.baseDir, 'package.json'));
 
     /**
      * All framework directories.

package.json

@@ -33,35 +33,35 @@
     "version": "6, 7, 8"
   },
   "devDependencies": {
-    "autod": "^2.8.0",
+    "autod": "^2.10.1",
     "coffee": "^4.1.0",
-    "egg-bin": "^4.0.5",
+    "egg-bin": "^4.3.5",
     "egg-ci": "^1.8.0",
-    "eslint": "^4.2.0",
-    "eslint-config-egg": "^5.0.0",
-    "js-yaml": "^3.9.0",
-    "mm": "^2.1.0",
-    "mz-modules": "^1.0.0",
+    "eslint": "^4.9.0",
+    "eslint-config-egg": "^5.1.1",
+    "js-yaml": "^3.10.0",
+    "mm": "^2.2.0",
+    "mz-modules": "^2.0.0",
     "pedding": "^1.1.0",
-    "rimraf": "^2.6.1",
+    "rimraf": "^2.6.2",
     "spy": "^1.0.0",
     "supertest": "^3.0.0"
   },
   "dependencies": {
     "co": "^4.6.0",
-    "debug": "^2.6.8",
-    "depd": "^1.1.0",
+    "debug": "^3.1.0",
+    "depd": "^1.1.1",
     "egg-logger": "^1.6.0",
     "egg-path-matching": "^1.0.0",
     "extend2": "^1.0.0",
     "globby": "^6.1.0",
     "inflection": "^1.12.0",
-    "is-type-of": "^1.0.0",
-    "koa": "^1.4.0",
+    "is-type-of": "^1.2.0",
+    "koa": "^1.4.1",
     "koa-router": "^5.4.2",
-    "node-homedir": "^1.0.0",
+    "node-homedir": "^1.1.0",
     "ready-callback": "^2.0.1",
-    "utility": "^1.12.0"
+    "utility": "^1.13.1"
   },
   "files": [
     "index.js",