namesny-com/src/utils/compiler.js

130 lines
3.1 KiB
JavaScript

const MarkdownIt = require('markdown-it');
const fs = require('fs');
const path = require('path');
const moment = require('moment');
const jsonfile = require('jsonfile');
const async = require('async');
const fm = require('front-matter');
const config = require('../utils/config.json');
/**
* Renders file using MarkdownIt
*/
function render(file) {
const md = new MarkdownIt({html: true});
return md.render(file);
}
/**
* Extracts file metadata such as parent directory
*/
function fileMetadata(filepath) {
const paths = filepath.split('/');
const basename = path.basename(filepath);
const metadata = {
basename,
filename: basename.substr(0, basename.lastIndexOf('.')),
parrent: paths[paths.length - 2],
dirname: path.dirname(filepath),
};
return metadata;
}
/**
* Compiles file that is a blog post
*/
function compilePost(filepath, data, fileData, callback) {
const frontMatter = fm(fileData);
const rendered = render(frontMatter.body);
const metadata = fileMetadata(filepath);
let published;
if (frontMatter.attributes.date) {
published = moment(frontMatter.attributes.date);
} else {
published = moment();
}
const post = {
published: published.format('MMMM DD, YYYY'),
filename: metadata.filename,
title: frontMatter.attributes.title,
summary: frontMatter.attributes.summary,
link: config.baseURL + '/post/' + metadata.filename
};
const renderedpath = path.join(process.cwd(), config.renderPath, `${metadata.filename}.html`);
fs.writeFile(renderedpath, rendered, (err) => {
if (err) callback(err);
else callback(null, post);
});
}
/**
* Compiles other types of files such as resumes, about me and so on.
*/
function compileOther(filepath, data, fileData, callback) {
const frontMatter = fm(fileData);
const rendered = render(frontMatter.body);
const metadata = fileMetadata(filepath);
const post = {
filename: metadata.filename
}
const renderedpath = path.join(process.cwd(), config.renderPath, `${metadata.filename}.html`);
fs.writeFile(renderedpath, rendered, (err) => {
if (err) callback(err);
else callback(null, post);
});
}
function Compiler(data) {
this.data = data;
}
/**
*
*/
Compiler.prototype.addFile = function(filepath, isPost, callback) {
if (isPost) {
async.waterfall([
fs.readFile.bind(fs, filepath, 'utf8'),
compilePost.bind(compilePost, filepath, this.data),
], (err, result) => {
if (err) throw err;
this.data.posts.push(result);
console.log("[Compiler] File %s compiled", filepath);
callback();
});
} else {
async.waterfall([
fs.readFile.bind(fs, filepath, 'utf8'),
compileOther.bind(compileOther, filepath, this.data),
], (err, result) => {
if (err) throw err;
this.data.other.push(result);
console.log("[Compiler] File %s compiled", filepath);
callback();
});
}
};
/**
* Writes updated data to the data file
*/
Compiler.prototype.writeData = function(callback) {
const dataPath = path.join(process.cwd(), 'src/utils/data.json');
jsonfile.writeFile(dataPath, this.data, callback);
};
module.exports = Compiler;