fix: add stringify option to output JSON object as string (#45)

Author: HairyRabbit

README.md

@@ -62,6 +62,17 @@ import json from 'file.json';
 import json from 'json-loader!file.json';
 ```
 
+
+
+### Options
+
+#### `stringify`
+
+By default, the json-loader will output the json object, set this query parameter to 'true' can output the json object as a string, e.g. `require('json-loader?stringify!../index.json')`.
+
+
+
+
 <h2 align="center">Maintainer</h2>
 
 <table>
@@ -76,6 +87,7 @@ import json from 'json-loader!file.json';
   </tbody>
 </table>
 
+
 [npm]: https://img.shields.io/npm/v/json-loader.svg
 [npm-url]: https://npmjs.com/package/json-loader
 

index.js

@@ -1,10 +1,14 @@
 /*
-	MIT License http://www.opensource.org/licenses/mit-license.php
-	Author Tobias Koppers @sokra
+  MIT License http://www.opensource.org/licenses/mit-license.php
+  Author Tobias Koppers @sokra
 */
+var loaderUtils = require('loader-utils');
+
 module.exports = function(source) {
-	this.cacheable && this.cacheable();
-	var value = typeof source === "string" ? JSON.parse(source) : source;
-	this.value = [value];
-	return "module.exports = " + JSON.stringify(value) + ";";
+    var value = typeof source === "string" ? JSON.parse(source) : source;
+    var options = loaderUtils.getOptions(this) || {};
+    value = JSON.stringify(value)
+    value = options.stringify ? `'${value}'` : value
+    var module = this.version && this.version >= 2 ? `export default ${value};` : `module.exports = ${value};`;
+    return module
 }

package.json

@@ -7,5 +7,8 @@
   "repository": {
     "type": "git",
     "url": "https://github.com/webpack/json-loader.git"
+  },
+  "dependencies": {
+    "loader-utils": "^1.0.3"
   }
 }