@wordpress/editor/build-module/components/time-to-read/index.js

Enhanced block editor for WordPress posts.

/**
 * WordPress dependencies
 */
import { useSelect } from '@wordpress/data';
import { _x, _n, __, sprintf } from '@wordpress/i18n';
import { count as wordCount } from '@wordpress/wordcount';
import { createInterpolateElement } from '@wordpress/element';

/**
 * Internal dependencies
 */
import { store as editorStore } from '../../store';

/**
 * Average reading rate - based on average taken from
 * https://irisreading.com/average-reading-speed-in-various-languages/
 * (Characters/minute used for Chinese rather than words).
 *
 * @type {number} A rough estimate of the average reading rate across multiple languages.
 */
import { jsx as _jsx } from "react/jsx-runtime";
const AVERAGE_READING_RATE = 189;

/**
 * Component for showing Time To Read in Content.
 *
 * @return {JSX.Element} The rendered TimeToRead component.
 */
export default function TimeToRead() {
  const content = useSelect(select => select(editorStore).getEditedPostAttribute('content'), []);

  /*
   * translators: If your word count is based on single characters (e.g. East Asian characters),
   * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
   * Do not translate into your own language.
   */
  const wordCountType = _x('words', 'Word count type. Do not translate!');
  const minutesToRead = Math.round(wordCount(content, wordCountType) / AVERAGE_READING_RATE);
  const minutesToReadString = minutesToRead === 0 ? createInterpolateElement(__('<span>< 1</span> minute'), {
    span: /*#__PURE__*/_jsx("span", {})
  }) : createInterpolateElement(sprintf( /* translators: %s is the number of minutes the post will take to read. */
  _n('<span>%d</span> minute', '<span>%d</span> minutes', minutesToRead), minutesToRead), {
    span: /*#__PURE__*/_jsx("span", {})
  });
  return /*#__PURE__*/_jsx("span", {
    className: "time-to-read",
    children: minutesToReadString
  });
}
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