yoastseo/build/languageProcessing/languages/ja/helpers/countCharacters.js

Yoast client-side content analysis

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;
var _yoastseo = require("yoastseo");
var _removeURLs = _interopRequireDefault(require("../../../helpers/sanitize/removeURLs.js"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const {
  sanitizeString
} = _yoastseo.languageProcessing;
/**
 * Calculates the character count which serves as a measure of text length.
 * The character count includes letters and numbers. It doesn't include URLs, HTML tags, spaces, and common punctuation characters.
 *
 * @param {string} text The text to be counted.
 *
 * @returns {number} The character count of the given text.
 */
function _default(text) {
  text = (0, _removeURLs.default)(text);
  text = sanitizeString(text);
  text = text.replace(/\s/g, "");
  // 1st 〜: wave dash (U+301C); 2nd ～: fullwidth tilde (U+FF5E)
  // The list includes a few "Western" punctuation marks, added at the end, because they pop up in online Japanese text from time to time.
  text = text.replace(/[。．？！…‥，、・―〜～：゠＝（）「」『』〝〟〔〕【】［］｛｝〈〉《》.?!:;()"'<>]/g, "");
  return text.length;
}
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