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admin-kalsport/themes/new-theme/js/components/bloodhound/tokenizers.js

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+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please refer to https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ */
+
+import _ from 'lodash';
+import Bloodhound from 'typeahead.js';
+
+/**
+ * This comes from Bloodhound it allows to create tokenizer based on multiple fields from an object.
+ *
+ * @param tokenizer
+ * @returns {function(*=, ...[*]=): function(*): *[]}
+ */
+function getObjTokenizer(tokenizer) {
+  return function setKey(keys, ...args) {
+    const tokenizerKeys = _.isArray(keys) ? keys : [].slice.call(args, 0);
+
+    return function tokenize(val) {
+      let tokens = [];
+      tokenizerKeys.forEach((key) => {
+        tokens = tokens.concat(tokenizer(_.toString(val[key])));
+      });
+
+      return tokens;
+    };
+  };
+}
+
+/**
+ * Split the word into multiple tokens ok different sizes, thus allowing to search into parts of the words,
+ * the min length of a token is two letters though (maybe it could be configurable in the future)
+ *
+ * @param {string} val
+ *
+ * @return {array}
+ */
+export const letters = (val) => {
+  const tokens = Bloodhound.tokenizers.nonword(val);
+  tokens.forEach((token) => {
+    let i = 0;
+    while (i + 1 < token.length) {
+      tokens.push(token.substr(i, token.length));
+      i += 1;
+    }
+  });
+
+  return tokens;
+};
+
+export default {
+  letters,
+  obj: {
+    letters: getObjTokenizer(letters),
+  },
+};