hexo-symbols-count-time-2/src/helper.js

Symbols count and time to read for articles.

"use strict";
let config = {};

module.exports.setConfig = function (_config) {
  config = _config;
};

function getSymbols(post) {
  return post.length;
}

function getFormatTime(minutes, suffix) {
  const fHours = Math.floor(minutes / 60);
  let fMinutes = Math.floor(minutes - fHours * 60);
  if (fMinutes < 1) {
    fMinutes = 1; // 0 => 1
  }
  return fHours < 1
    ? `${fMinutes} ${suffix}` // < 59 => 59 mins.
    : `${fHours}:${`00${fMinutes}`.slice(-2)}`; // = 61 => 1:01
}

module.exports.symbolsCount = function (post) {
  let symbolsResult = getSymbols(post);
  if (symbolsResult > 9999) {
    symbolsResult = `${Math.round(symbolsResult / 1000)}k`; // > 9999 => 11k
  } else if (symbolsResult > 999) {
    symbolsResult = `${Math.round(symbolsResult / 100) / 10}k`; // > 999 => 1.1k
  } // < 999 => 111
  return symbolsResult;
};

module.exports.symbolsTime = function (
  post,
  awl = config.awl,
  wpm = config.wpm,
  suffix = config.suffix,
) {
  const minutes = Math.round(getSymbols(post) / (awl * wpm));
  return getFormatTime(minutes, suffix);
};

function getSymbolsTotal(site) {
  let symbolsResultCount = 0;
  site.posts.forEach((post) => {
    symbolsResultCount += getSymbols(post);
  });
  return symbolsResultCount;
}

module.exports.symbolsCountTotal = function (site) {
  const symbolsResultTotal = getSymbolsTotal(site);
  return symbolsResultTotal < 1000000
    ? `${Math.round(symbolsResultTotal / 1000)}k` // < 999k => 111k
    : `${Math.round(symbolsResultTotal / 100000) / 10}m`; // > 999k => 1.1m
};

module.exports.symbolsTimeTotal = function (
  site,
  awl = config.awl,
  wpm = config.wpm,
  suffix = config.suffix,
) {
  const minutes = Math.round(getSymbolsTotal(site) / (awl * wpm));
  return getFormatTime(minutes, suffix);
};