@axway/api-builder-runtime/lib/engines/util.js

API Builder Runtime

var path = require('path'),
	fs = require('fs');

/*
 * attempt to render our body into a layout
 */
exports.render = function (app, body, opts, ext, render, callback) {
	opts = opts || {};
	let layout;
	if (opts.layout) {
		layout = opts.layout;
	} else if (opts.layout !== false) {
		layout = app.get('layout');
	}

	if (!layout) {
		return callback(null, body);
	}

	opts.body = body;
	// don't do the layout by setting to false
	opts.layout = false;
	// if this is a layout file, we need to return to prevent and infinite loop
	if (path.extname(layout) === '.' + ext) {
		return callback(null, render(app, layout, opts));
	}
	return app.render(layout, opts, callback);
};

/*
 * resolve a layout to the full path. raises Error if not found
 */
exports.resolveLayoutFilename = function (app, filename) {
	filename = fs.existsSync(filename) ? filename
		: app.get('views') ? path.join(app.get('views'), filename)
			: path.join(process.cwd(), 'web', 'views', filename);
	if (!fs.existsSync(filename)) {
		throw new Error('Unable to find layout "' + filename + '"');
	}
	return filename;
};