igneous/lib/preprocessors/handlebars.js

Automatic asset bundling and deployment

var handlebars = require('handlebars');

module.exports = function( file, config, callback ){
	
	var namespace = config.jst_namespace;
	var path_clean = file.path.split('.').splice( 0, file.path.split('.').length-1 )[0];
	var name = path_clean.replace(/\\/g,'/').replace( /^\//, '' ).replace( /\/$/, '' );
	var compiled_hbs = handlebars.precompile( file.contents );
	var processed = '';
		
	if( name.charAt(0) === '_' ){
		processed = '(function() {';
		processed += 'Handlebars.registerPartial("'+ name.replace( /^_/, '' ) +'", Handlebars.template('+ compiled_hbs +'));';
		processed += '}).call(this);';
	}
	else {
		processed = '(function(){';
		processed += 'this.'+ namespace +' || (this.'+ namespace +' = {});';
		processed += 'this.'+ namespace +'["'+ name +'"] = function( data ){ return Handlebars.template('+ compiled_hbs +')( data ); };';
		processed += '}).call(this);';
	}
	
	callback( processed );

};