Starting project

Author: Vincent Peybernes

.gitignore

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+node_modules
+.idea

LICENSE

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+Copyright (c) 2016 Vincent Peybernes <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# gulp-less-json-import
+
+This is a gulp preprocessor for the less compilation. It provide a directive **@json-import** to import variables 
+defined in a json file.
+
+It inject the Less formated data in place of the directive in the file buffer without write it on disk.
+
+## Exemple
+
+In less
+```Less
+@json-import "../relative/path.json";
+@json-import "../relative/path/extOmit";
+```
+
+In gulp
+```javascript
+var gulp = require('gulp');
+var less = require('gulp-less');
+var lessJsonImport = require('gulp-less-json-import');
+
+gulp.src(['./less/**/*.less', '!./less/**/_*.less'])
+    .pipe(lessJsonImport())
+    .pipe(less())
+    .pipe(gulp.dest('./css'));
+```

index.js

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+'use strict';
+
+var NAME = 'gulp-less-json-import';
+
+var through2        = require('through2');
+var gutil           = require('gulp-util');
+var StringDecoder   = require('string_decoder').StringDecoder;
+var Buffer = require('buffer').Buffer;
+var path            = require('path');
+var fs              = require('fs');
+
+var PluginError    = gutil.PluginError;
+
+var importMatcher = /^\s?@json-import "(.*?)";/;
+
+module.exports = function () {
+    return through2.obj(function(file, encoding, callback){
+        
+        if(file.isStream()){
+            return callback(new PluginError(NAME, 'Stream mode not supported'));
+        }
+        
+        var decoder = new StringDecoder(encoding);
+        var fileDir = path.dirname(file.path);
+
+        var content = decoder.write(file.contents).split('\n');
+
+        for(var i = 0; i < content.length; i++){
+            var match = importMatcher.exec(content[i]);
+            if(!match) continue;
+
+            var jsonPath = path.resolve(path.join(fileDir, match[1]));
+
+            if(path.parse(jsonPath).ext != '.json'){
+                jsonPath += '.json';
+            }
+
+            var jsonContent = {};
+
+            try{
+                jsonContent = require(jsonPath);
+            } catch (e){
+                gutil.log(NAME, 'can\'t load "'+jsonPath+'"');
+            }
+
+            var lessContent = [];
+            for(var key in jsonContent){
+                lessContent.push('@');
+                lessContent.push(key);
+                lessContent.push(': ');
+                lessContent.push(jsonContent[key]);
+                lessContent.push(';\n');
+            }
+
+            content[i] = lessContent.join('');
+
+
+        }
+
+        file.contents = new Buffer(content.join('\n'));
+
+        this.push(file);
+
+        callback();
+    });
+};

package.json

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+{
+  "name": "gulp-less-json-import",
+  "version": "1.0.0",
+  "description": "Import Less variables from json files",
+  "main": "index.js",
+  "author":{
+    "name": "Vincent Peybernes",
+    "email": "[email protected]"
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Techniv/gulp-less-json-import.git"
+  },
+  "dependencies": {
+    "through2": "^2.0.0",
+    "gulp-util": "^3.0.6"
+  },
+
+  "engines": {
+    "node": ">=0.12.0"
+  }
+}