index.js

/* eslint-disable no-undef */
"use strict";

const { stripHTML } = require("hexo-util");
const helper = require("./lib/helper");

const config = Object.assign(
  {
    symbols: true,
    time: true,
    total_symbols: true,
    total_time: true,
    exclude_codeblock: false,
    awl: 4,
    wpm: 275,
    suffix: "mins.",
  },
  hexo.config.symbols_count_time,
);

helper.setConfig(config);

if (config.symbols) {
  hexo.extend.helper.register("symbolsCount", helper.symbolsCount);
}

if (config.time) {
  hexo.extend.helper.register("symbolsTime", helper.symbolsTime);
}

if (config.total_symbols) {
  hexo.extend.helper.register("symbolsCountTotal", helper.symbolsCountTotal);
}

if (config.total_time) {
  hexo.extend.helper.register("symbolsTimeTotal", helper.symbolsTimeTotal);
}

if (
  config.symbols ||
  config.time ||
  config.total_symbols ||
  config.total_time
) {
  hexo.extend.filter.register(
    "after_post_render",
    (data) => {
      let { content } = data;
      if (config.exclude_codeblock) {
        content = content.replace(/<pre>.*?<\/pre>/g, "");
      }
      data.length = stripHTML(content)
        .replace(/\r?\n|\r/g, "")
        .replace(/\s+/g, "").length;
    },
    0,
  );
}