Hexo toc patch

// content of node_modules/hexo/lib/plugins/helper/toc.js
'use strict';

var cheerio;

function tocHelper(str, options) {
    options = options || {};

    if (!cheerio) cheerio = require('cheerio');

    var $ = cheerio.load(str);
    var headingsMaxDepth = options.hasOwnProperty('max_depth') ? options.max_depth : 6;
    var headingsSelector = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].slice(0, headingsMaxDepth).join(',');
    var headings = $(headingsSelector);

    if (!headings.length) return '';

    var className = options.class || 'toc';
    var listNumber = options.hasOwnProperty('list_number') ? options.list_number : true;
    var result = '
 

  ';
    var lastNumber = [0, 0, 0, 0, 0, 0];
    var firstLevel = 0;
    var lastLevel = 0;
    var i = 0;

    headings.each(function () {
        var level = +this.name[1];
        var id = $(this).attr('id');
        var text = $(this).html();

        lastNumber[level - 1]++;

        for (i = level; i <= 5; i++) {
            lastNumber[i] = 0;
        }

        if (firstLevel) {
            for (i = level; i < lastLevel; i++) {
                result += '
 
';
            }

            if (level > lastLevel) {
                result += '
 

  ';
            } else {
                result += '';
            }
        } else {
            firstLevel = level;
        }

        result += '
  
'; result += ''; if (listNumber) { result += ''; for (i = firstLevel - 1; i < level; i++) { result += lastNumber[i] + '.'; } result += ' '; } result += '' + text + ''; lastLevel = level; }); for (i = firstLevel - 1; i < lastLevel; i++) { result += '
 
';
    }

    return result;
}

module.exports = tocHelper;

// content of /script/tocPatch.js
'use strict';

var stripHTML = require('hexo-util').stripHTML;

var cheerio;

function tocHelper(str, options) {
    options = options || {};

    if (!cheerio) cheerio = require('cheerio');

    var $ = cheerio.load(str);
    var headingsMaxDepth = options.hasOwnProperty('max_depth') ? options.max_depth : 6;
    var headingsSelector = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].slice(0, headingsMaxDepth).join(',');
    var headings = $(headingsSelector);

    if (!headings.length) return '';

    var className = options.class || 'toc';
    var listNumber = options.hasOwnProperty('list_number') ? options.list_number : true;
    var result = '
 

  ';
    var lastNumber = [0, 0, 0, 0, 0, 0];
    var firstLevel = 0;
    var lastLevel = 0;
    var i = 0;

    headings.each(function () {
        var level = +this.name[1];
        var id = $(this).attr('id');
        var text = $(this).html();

        lastNumber[level - 1]++;

        for (i = level; i <= 5; i++) {
            lastNumber[i] = 0;
        }

        if (firstLevel) {
            for (i = level; i < lastLevel; i++) {
                result += '
 
';
            }

            if (level > lastLevel) {
                result += '
 

  ';
            } else {
                result += '';
            }
        } else {
            firstLevel = level;
        }

        result += '
  
'; result += ''; if (listNumber) { result += ''; for (i = firstLevel - 1; i < level; i++) { result += lastNumber[i] + '.'; } result += ' '; } result += '' + stripHTML(text) + ''; lastLevel = level; }); for (i = firstLevel - 1; i < lastLevel; i++) { result += '
 
';
    }

    return result;
}

hexo.extend.helper.register('toc', tocHelper);