steady-static/lib/constructor.js

Steady is a nodeJS static site generator

var fs = require('fs'),
	marked = require('marked'),
	gulp = require('./gulp.js'),
	chalk = require('chalk');

var constructor = {
	buildAll: function(){
		var files = fs.readdirSync('./src/_pages');

		files.forEach(function(page){
			var contents = fs.readFileSync('./src/_pages/' + page, 'utf8'),
				slicedPage = constructor.slicePage(contents),
				layout = fs.readFileSync('./src/_layouts/' + slicedPage.options.layout + '.html', 'utf8'),
				pageRender = constructor.buildPage(slicedPage, layout);

			constructor.movePage(pageRender, slicedPage.options);
		});
	},
	buildOne: function(path){
		var page = path.split('/'),
			page = page[page.length-1],
			contents = fs.readFileSync('./src/_pages/' + page, 'utf8'),
			slicedPage = constructor.slicePage(contents),
			layout = fs.readFileSync('./src/_layouts/' + slicedPage.options.layout + '.html', 'utf8'),
			pageRender = constructor.buildPage(slicedPage, layout);

		constructor.movePage(pageRender, slicedPage.options);
	},
	slicePage: function(contents){
		var commentStart = contents.indexOf('<!--') + 4,
		commentEnd = contents.indexOf('-->'),
		options = contents.slice(commentStart, commentEnd).trim(),
		options = options.split('\n'),
		optionsArr = [],
		content = contents.replace(/<!--[\s\S]*?(?:-->|$)/ig, '').replace(/^\s+|\s+$/g, '');

		options.forEach(function(option){
			var option = option.split(':');

			optionsArr[option[0]] = option[1].trim();
		});

		return {
			options: optionsArr,
			content: content
		}
	},
	buildPage: function(page, layout){
		var contentTags = layout.match(/{{\s*(.*?)+\s*}}/g).map(function(x) { return x.match(/[a-zA-Z\=\".]+/); }),
   			contentPosition,
   			page;

		contentTags.forEach(function(tag){
			if(tag[0] === 'body'){
				contentPosition = layout.indexOf(tag.input);
				page = layout.replace(tag.input, marked(page.content));
			}
		});

		return page;
	},
	movePage: function(page, options){
		if(options.url === '/'){
			fs.writeFile('./site/index.html', page);
		}else{
			var path = options.url;

			fs.exists('./site' + path, function(exists){
				if(exists){
					fs.writeFile('./site' + path + '/index.html', page)
				}else{
					fs.mkdir('./site' + path, function(){
						fs.writeFile('./site' + path + '/index.html', page);	
					});
				}
			});
		}
	}
}

module.exports = constructor;