THSF2016-www/lib/sitegenerator.js

77 lines
1.6 KiB
JavaScript

'use strict';
const fs = require('fs');
const path = require('path');
const isAbsolute = require('path-is-absolute');
const jade = require('jade');
const markdown = require('markdown-it');
const hljs = require('highlight.js');
class PageMarkdown {
constructor(config) {
config = config || {}
console.log(config)
this.file = config.file;
this.title = config.title || path.basename(this.file);
this.template = config.template || path.join(__dirname, './template.jade');
if (!isAbsolute(this.template)) {
this.template = path.join(process.cwd(), this.template);
}
if (!fs.existsSync(this.file)) {
throw new Error(`${this.file} does not exist`);
}
if (!fs.statSync(this.file).isFile()) {
throw new Error(`${this.file} is not a markdown file`);
}
this.md = markdown({
langPrefix: 'hljs ',
highlight: (string, lang) => {
try {
if (lang) {
return hljs.highlight(lang, string).value;
} else {
return hljs.highlightAuto(string).value;
}
} catch (e) {
console.error(e);
}
return '';
}
});
}
render() {
return new Promise((resolve, reject) => {
let string = fs.readFileSync(this.file).toString();
let html = this.md.render(string);
let options = {
pretty: true,
title: this.title,
content: html
};
jade.renderFile(this.template, options, (error, html) => {
if (error) {
reject(error);
}
resolve(html);
});
});
}
}
module.exports.PageMarkdown = PageMarkdown;