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Editing: tags.js
define([ 'jquery' ], function ($) { function Tags (decorated, $element, options) { var tags = options.get('tags'); var createTag = options.get('createTag'); if (createTag !== undefined) { this.createTag = createTag; } var insertTag = options.get('insertTag'); if (insertTag !== undefined) { this.insertTag = insertTag; } decorated.call(this, $element, options); if (Array.isArray(tags)) { for (var t = 0; t < tags.length; t++) { var tag = tags[t]; var item = this._normalizeItem(tag); var $option = this.option(item); this.$element.append($option); } } } Tags.prototype.query = function (decorated, params, callback) { var self = this; this._removeOldTags(); if (params.term == null || params.page != null) { decorated.call(this, params, callback); return; } function wrapper (obj, child) { var data = obj.results; for (var i = 0; i < data.length; i++) { var option = data[i]; var checkChildren = ( option.children != null && !wrapper({ results: option.children }, true) ); var optionText = (option.text || '').toUpperCase(); var paramsTerm = (params.term || '').toUpperCase(); var checkText = optionText === paramsTerm; if (checkText || checkChildren) { if (child) { return false; } obj.data = data; callback(obj); return; } } if (child) { return true; } var tag = self.createTag(params); if (tag != null) { var $option = self.option(tag); $option.attr('data-select2-tag', 'true'); self.addOptions([$option]); self.insertTag(data, tag); } obj.results = data; callback(obj); } decorated.call(this, params, wrapper); }; Tags.prototype.createTag = function (decorated, params) { if (params.term == null) { return null; } var term = params.term.trim(); if (term === '') { return null; } return { id: term, text: term }; }; Tags.prototype.insertTag = function (_, data, tag) { data.unshift(tag); }; Tags.prototype._removeOldTags = function (_) { var $options = this.$element.find('option[data-select2-tag]'); $options.each(function () { if (this.selected) { return; } $(this).remove(); }); }; return Tags; });
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