yoastseo/build/languageProcessing/languages/ar/helpers/createBasicWordForms.js

Yoast client-side content analysis

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createBasicWordForms = createBasicWordForms;
var _stemPrefixedFunctionWords = require("../../../helpers/morphology/stemPrefixedFunctionWords.js");
var _prefixedFunctionWords = require("../config/prefixedFunctionWords.js");
/**
 * Creates basic word forms for a given Arabic word.
 *
 * @param {string} word     The word for which to create basic word forms.
 *
 * @returns {Array}        Prefixed and de-prefixed variations of a word.
 */
function createBasicWordForms(word) {
  const forms = [];

  /*
   * Add prefixes to the input word. We always do this, since some words
   * beginning with a prefix-like letter might be exceptions where this is the
   * actual first letter of the word.
   */
  forms.push(..._prefixedFunctionWords.PREFIXED_FUNCTION_WORDS.map(basicPrefix => basicPrefix + word));
  const {
    stem,
    prefix
  } = (0, _stemPrefixedFunctionWords.stemPrefixedFunctionWords)(word, _prefixedFunctionWords.PREFIXED_FUNCTION_WORDS_REGEX);
  if (prefix !== "") {
    /*
    If a word starts with one of the prefixes, we strip it and attach all prefixes to the stem.
    */
    forms.push(stem);
    forms.push(..._prefixedFunctionWords.PREFIXED_FUNCTION_WORDS.map(basicPrefix => basicPrefix + stem));
  }
  return forms;
}
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