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