@blaasvaer/frmwrk/views.js

My personal Node framework

/**
 * This is the file used to load views based on templates.
 * It has to be thought through properly in order to handle all circumstances needed.
 *
 * @todo  Recursive tree structure for creating a nested object of namespaced views
 * currently has only one level – and maybe it should stay that way …
 *
 * Are files templates or are they just html?
 */

/**
 * Native modules
 */
const { readdir, readFile, stat } = require("fs").promises;
const { basename, join } = require("path");

/**
 * 3rd party modules
 */
const Handlebars = require('handlebars');
const htmlclean = require('htmlclean');

/**
 * Custom modules
 */
const utils = require('@blaasvaer/frmwrk/utils');

/**
 * Compile views on application initialization.
 * Read all .hbs from themes directory, wrap them accordingly and add them as precompiled templates to the routes.views.
 */
function Views ( config ) {
	let views_dir = config.root + '/views/';

	const dir2obj = async ( path = "." ) => ( await stat ( path ) )
	.isFile()
	? readFile( path )
	.then(function ( template ) {
		// Prevent .DS_Store files from breaking templates
		let ds_store_file_path = path.split('/');

		if ( ds_store_file_path[ ds_store_file_path.length - 1 ] === '.DS_Store' )
			return;

		let tpl = 'Handlebars.template(' + Handlebars.precompile(  template.toString() ) + ')';

		if ( config.compress_html ) {
			tpl = 'Handlebars.template(' + Handlebars.precompile( htmlclean( template.toString() ) ) + ')';
		}
		
		return eval( tpl );
	})
	.catch(function ( err ) {
		console.log("Error", err);
	})
	: Promise.all( ( await readdir( path ) )
		.map( p => 
			dir2obj ( join ( path, p ) )
			.then( ( obj ) => {
				return { [ p.split('.')[0] ] : obj }
			})
		)
	)
	.then ( function ( results ) {
		return Object.assign(...results);
	})

	dir2obj ( views_dir )
	.then( function ( output ) {
		global.views = output;
	})
}

module.exports = Views;