FIX: Adds back removed component

assets/javascripts/discourse/components/json-file-uploader.js.es6

@@ -0,0 +1,102 @@
+export default Ember.Component.extend({
+  fileInput: null,
+  loading: false,
+  expectedRootObjectName: null,
+  hover: 0,
+
+  classNames: ['json-uploader'],
+
+  _initialize: function() {
+    const $this = this.$();
+    const self = this;
+
+    const $fileInput = $this.find('#js-file-input');
+    this.set('fileInput', $fileInput[0]);
+
+    $fileInput.on('change', function() {
+      self.fileSelected(this.files);
+    });
+
+    $this.on('dragover', function(e) {
+      if (e.preventDefault) e.preventDefault();
+      return false;
+    });
+    $this.on('dragenter', function(e) {
+      if (e.preventDefault) e.preventDefault();
+      self.set('hover', self.get('hover') + 1);
+      return false;
+    });
+    $this.on('dragleave', function(e) {
+      if (e.preventDefault) e.preventDefault();
+      self.set('hover', self.get('hover') - 1);
+      return false;
+    });
+    $this.on('drop', function(e) {
+      if (e.preventDefault) e.preventDefault();
+
+      self.set('hover', 0);
+      self.fileSelected(e.dataTransfer.files);
+      return false;
+    });
+
+  }.on('didInsertElement'),
+
+  accept: function() {
+    return ".json,application/json,application/x-javascript,text/json" + (this.get('extension') ? "," + this.get('extension') : "");
+  }.property('extension'),
+
+  setReady: function() {
+    let parsed;
+    try {
+      parsed = JSON.parse(this.get('value'));
+    } catch (e) {
+      this.set('ready', false);
+      return;
+    }
+
+    const rootObject = parsed[this.get('expectedRootObjectName')];
+
+    if (rootObject !== null && rootObject !== undefined) {
+      this.set('ready', true);
+    } else {
+      this.set('ready', false);
+    }
+  }.observes('destination', 'expectedRootObjectName'),
+
+  actions: {
+    selectFile: function() {
+      const $fileInput = $(this.get('fileInput'));
+      $fileInput.click();
+    }
+  },
+
+  fileSelected(fileList) {
+    const self = this;
+    let files = [];
+    for (let i = 0; i < fileList.length; i++) {
+      files[i] = fileList[i];
+    }
+    const fileNameRegex = /\.(json|txt)$/;
+    files = files.filter(function(file) {
+      if (fileNameRegex.test(file.name)) {
+        return true;
+      }
+      if (file.type === "text/plain") {
+        return true;
+      }
+      return false;
+    });
+    const firstFile = fileList[0];
+
+    this.set('loading', true);
+
+    let reader = new FileReader();
+    reader.onload = function(evt) {
+      self.set('value', evt.target.result);
+      self.set('loading', false);
+    };
+
+    reader.readAsText(firstFile);
+  }
+
+});

assets/javascripts/discourse/templates/components/json-file-uploader.hbs

@@ -0,0 +1,12 @@
+<div class="jsfu-shade-container">
+  <div class="jsfu-file">
+    <input id="js-file-input" type="file" style="display:none;" accept={{accept}}>
+    {{d-button class="fileSelect" action="selectFile" class="" icon="upload" label="upload_selector.select_file"}}
+    {{conditional-loading-spinner condition=loading size="small"}}
+  </div>
+  <div class="jsfu-separator">{{i18n "alternation"}}</div>
+  <div class="jsfu-paste">
+    {{textarea value=value}}
+  </div>
+  <div class="jsfu-shade {{if hover '' 'hidden'}}"><span class="text">{{fa-icon "upload"}}</span></div>
+</div>