Add production dependencies

node_modules/gulp-json-editor/index.js

@@ -0,0 +1,80 @@
+var jsbeautify   = require('js-beautify').js_beautify;
+var deepmerge    = require('deepmerge');
+var through      = require('through2');
+var PluginError  = require('plugin-error');
+var detectIndent = require('detect-indent');
+
+module.exports = function(editor, jsbeautifyOptions, deepmergeOptions) {
+
+  /*
+   * deepmerge options
+   */
+  deepmergeOptions = deepmergeOptions || {};
+
+  /*
+   * create 'editBy' function from 'editor'
+   */
+  var editBy;
+  if (typeof editor === 'function') {
+    // edit JSON object by user specific function
+    editBy = function(json) { return editor(json); };
+  } else if (typeof editor === 'object') {
+    // edit JSON object by merging with user specific object
+    editBy = function(json) { return deepmerge(json, editor, deepmergeOptions); };
+  } else if (typeof editor === 'undefined') {
+    throw new PluginError('gulp-json-editor', 'missing "editor" option');
+  } else {
+    throw new PluginError('gulp-json-editor', '"editor" option must be a function or object');
+  }
+
+  /*
+   * js-beautify options
+   */
+  jsbeautifyOptions = jsbeautifyOptions || {};
+
+  /*
+   * create through object and return it
+   */
+  return through.obj(function(file, encoding, callback) {
+
+    // ignore it
+    if (file.isNull()) {
+      this.push(file);
+      return callback();
+    }
+
+    // stream is not supported
+    if (file.isStream()) {
+      this.emit('error',
+        new PluginError('gulp-json-editor', 'Streaming is not supported'));
+      return callback();
+    }
+
+    try {
+      // try to get current indentation
+      var indent = detectIndent(file.contents.toString('utf8'));
+
+      // beautify options for this particular file
+      var beautifyOptions = deepmerge({}, jsbeautifyOptions); // make copy
+      beautifyOptions.indent_size = beautifyOptions.indent_size || indent.amount || 2;
+      beautifyOptions.indent_char = beautifyOptions.indent_char || (indent.type === 'tab' ? '\t' : ' ');
+      beautifyOptions.beautify = !('beautify' in beautifyOptions && !beautifyOptions.beautify);
+
+      // edit JSON object and get it as string notation
+      var json = JSON.stringify(editBy(JSON.parse(file.contents.toString('utf8'))));
+
+      // beautify JSON
+      if (beautifyOptions.beautify) {
+        json = jsbeautify(json, beautifyOptions);
+      }
+
+      // write it to file
+      file.contents = Buffer.from(json);
+    } catch (err) {
+      this.emit('error', new PluginError('gulp-json-editor', err));
+    }
+
+    this.push(file);
+    callback();
+  });
+};