yoastseo/build/scoring/assessments/inclusiveLanguage/helpers/isPrecededByException.js

Yoast client-side content analysis

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isNotPrecededByException = isNotPrecededByException;
exports.isPrecededByException = isPrecededByException;
var _languageProcessing = require("../../../../languageProcessing");
var _includesWordsAtPosition = require("./includesWordsAtPosition");
/**
 * Checks whether the given list of words contains another list of words in the given order,
 * but not when they are preceded by one of the exceptions.
 *
 * @param {string[]} words The list of words.
 * @param {string[]} exceptions The list of exception phrases.
 *
 * @returns {function} A function that checks whether the given list of words is contained in another list of words in the given order.
 */
function isPrecededByException(words, exceptions) {
  const splitExceptions = exceptions.map(exception => (0, _languageProcessing.getWords)(exception, "\\s", false));
  return index => splitExceptions.some(exception => {
    const startIndex = index - exception.length;
    if (startIndex >= 0) {
      return (0, _includesWordsAtPosition.includesWordsAtPosition)(exception, startIndex, words);
    }
    return false;
  });
}

/**
 * The reverse of isPrecededByException
 * Checks whether the given list of words contains another list of words in the given order,
 * but only when they are preceded by one of the exceptions.
 *
 * @param {string[]} words The list of words.
 * @param {string[]} exception The list of exception phrases.
 * @returns {function} A function that checks whether the given list of words is not contained in another list of words in the given order.
 */
function isNotPrecededByException(words, exception) {
  return index => !isPrecededByException(words, exception)(index);
}
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