yoastseo/build/languageProcessing/helpers/html/getSubheadingTexts.js

Yoast client-side content analysis

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;
var _lodash = require("lodash");
/**
 * Returns An array of found subheadings including the following text.
 *
 * @param {string} text The text to analyze from.
 *
 * @returns {Array} An array of found subheadings including the following text.
 */
function _default(text) {
  // Match all the subheadings.
  const subheadings = [...text.matchAll(new RegExp("<h([1-6])(?:[^>]+)?>(.*?)<\\/h\\1>", "ig"))];
  const foundSubheadings = [];
  subheadings.forEach((subheading, i) => {
    // Retrieve the current subheading string.
    const subheadingString = subheading[0];
    // Retrieve the current subheading index.
    const currentMatchIndex = subheading.index;
    // Retrieve the next subheading.
    const nextSubheading = subheadings[i + 1];
    let nextMatchIndex;

    // Check if there is a next subheading.
    if ((0, _lodash.isUndefined)(nextSubheading)) {
      // If there is no next subheading, the next match index is the index of the last character in the text.
      nextMatchIndex = subheading.input.length;
    } else {
      // Retrieve the index of the next subheading.
      nextMatchIndex = nextSubheading.index;
    }

    // Retrieve the text following the current subheading.
    const textFollowingCurrentSubheading = subheading.input.slice(currentMatchIndex + subheadingString.length, nextMatchIndex);
    foundSubheadings.push({
      subheading: subheadingString,
      text: textFollowingCurrentSubheading,
      index: currentMatchIndex
    });
  });
  return foundSubheadings;
}
//# sourceMappingURL=getSubheadingTexts.js.map