l0bsterssg

node.js static responsive blog post generator
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Renderer.js (3414B)

      1 const { defaults } = require('./defaults.js');
      2 const {
      3   cleanUrl,
      4   escape
      5 } = require('./helpers.js');
      6 
      7 /**
      8  * Renderer
      9  */
     10 module.exports = class Renderer {
     11   constructor(options) {
     12     this.options = options || defaults;
     13   }
     14 
     15   code(code, infostring, escaped) {
     16     const lang = (infostring || '').match(/\S*/)[0];
     17     if (this.options.highlight) {
     18       const out = this.options.highlight(code, lang);
     19       if (out != null && out !== code) {
     20         escaped = true;
     21         code = out;
     22       }
     23     }
     24 
     25     if (!lang) {
     26       return '<pre><code>'
     27         + (escaped ? code : escape(code, true))
     28         + '</code></pre>\n';
     29     }
     30 
     31     return '<pre><code class="'
     32       + this.options.langPrefix
     33       + escape(lang, true)
     34       + '">'
     35       + (escaped ? code : escape(code, true))
     36       + '</code></pre>\n';
     37   }
     38 
     39   blockquote(quote) {
     40     return '<blockquote>\n' + quote + '</blockquote>\n';
     41   }
     42 
     43   html(html) {
     44     return html;
     45   }
     46 
     47   heading(text, level, raw, slugger) {
     48     if (this.options.headerIds) {
     49       return '<h'
     50         + level
     51         + ' id="'
     52         + this.options.headerPrefix
     53         + slugger.slug(raw)
     54         + '">'
     55         + text
     56         + '</h'
     57         + level
     58         + '>\n';
     59     }
     60     // ignore IDs
     61     return '<h' + level + '>' + text + '</h' + level + '>\n';
     62   }
     63 
     64   hr() {
     65     return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
     66   }
     67 
     68   list(body, ordered, start) {
     69     const type = ordered ? 'ol' : 'ul',
     70       startatt = (ordered && start !== 1) ? (' start="' + start + '"') : '';
     71     return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
     72   }
     73 
     74   listitem(text) {
     75     return '<li>' + text + '</li>\n';
     76   }
     77 
     78   checkbox(checked) {
     79     return '<input '
     80       + (checked ? 'checked="" ' : '')
     81       + 'disabled="" type="checkbox"'
     82       + (this.options.xhtml ? ' /' : '')
     83       + '> ';
     84   }
     85 
     86   paragraph(text) {
     87     return '<p>' + text + '</p>\n';
     88   }
     89 
     90   table(header, body) {
     91     if (body) body = '<tbody>' + body + '</tbody>';
     92 
     93     return '<table>\n'
     94       + '<thead>\n'
     95       + header
     96       + '</thead>\n'
     97       + body
     98       + '</table>\n';
     99   }
    100 
    101   tablerow(content) {
    102     return '<tr>\n' + content + '</tr>\n';
    103   }
    104 
    105   tablecell(content, flags) {
    106     const type = flags.header ? 'th' : 'td';
    107     const tag = flags.align
    108       ? '<' + type + ' align="' + flags.align + '">'
    109       : '<' + type + '>';
    110     return tag + content + '</' + type + '>\n';
    111   }
    112 
    113   // span level renderer
    114   strong(text) {
    115     return '<strong>' + text + '</strong>';
    116   }
    117 
    118   em(text) {
    119     return '<em>' + text + '</em>';
    120   }
    121 
    122   codespan(text) {
    123     return '<code>' + text + '</code>';
    124   }
    125 
    126   br() {
    127     return this.options.xhtml ? '<br/>' : '<br>';
    128   }
    129 
    130   del(text) {
    131     return '<del>' + text + '</del>';
    132   }
    133 
    134   link(href, title, text) {
    135     href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
    136     if (href === null) {
    137       return text;
    138     }
    139     let out = '<a href="' + escape(href) + '"';
    140     if (title) {
    141       out += ' title="' + title + '"';
    142     }
    143     out += '>' + text + '</a>';
    144     return out;
    145   }
    146 
    147   image(href, title, text) {
    148     href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
    149     if (href === null) {
    150       return text;
    151     }
    152 
    153     let out = '<img src="' + href + '" alt="' + text + '"';
    154     if (title) {
    155       out += ' title="' + title + '"';
    156     }
    157     out += this.options.xhtml ? '/>' : '>';
    158     return out;
    159   }
    160 
    161   text(text) {
    162     return text;
    163   }
    164 };