use de-indent as a dep

Author: yyx990803

.gitignore

@@ -2,3 +2,4 @@ node_modules
 npm-debug.log
 test/output
 docs/_book
+.DS_Store

lib/deindent.js

@@ -3,7 +3,7 @@ var parser = new parse5.Parser(null, { locationInfo: true })
 var cache = require('lru-cache')(100)
 var SourceMapGenerator = require('source-map').SourceMapGenerator
 var hash = require('hash-sum')
-var deindent = require('./deindent')
+var deindent = require('de-indent')
 var splitRE = /\r?\n/g
 var emptyRE = /^\s*$/
 

lib/parser.js

@@ -30,6 +30,7 @@
   },
   "dependencies": {
     "autoprefixer": "^6.0.3",
+    "de-indent": "^1.0.0",
     "hash-sum": "^1.0.2",
     "loader-utils": "^0.2.10",
     "lru-cache": "^2.7.0",