Add getLabel and setLabel to Selector

src/common/module.js

@@ -11,8 +11,8 @@ export default {
     return name ? res[name] : res;
   },
 
-  getAll() {
-    return this.all || [];
+  getAll(opts = {}) {
+    return this.all ? (opts.array ? [...this.all.models] : this.all) : [];
   },
 
   getAllMap() {

src/selector_manager/model/Selector.js

@@ -82,6 +82,31 @@ export default class Selector extends Model {
     return this.getFullName();
   }
 
+  /**
+   * Get selector label.
+   * @returns {String}
+   * @example
+   * // Given such selector: { name: 'my-selector', label: 'My selector' }
+   * console.log(selector.getLabel());
+   * // -> `My selector`
+   */
+  getLabel() {
+    return this.get('label');
+  }
+
+  /**
+   * Update selector label.
+   * @param {String} label New label
+   * @example
+   * // Given such selector: { name: 'my-selector', label: 'My selector' }
+   * selector.setLabel('New Label')
+   * console.log(selector.getLabel());
+   * // -> `New Label`
+   */
+  setLabel(label) {
+    return this.set('label', label);
+  }
+
   toJSON(opts = {}) {
     const { em } = this;
     let obj = Model.prototype.toJSON.call(this, [opts]);