apeman-commons-templating/lib/tmpl_resolver.js

/**
 * Create a template resolver.
 * @function tmplResolver
 * @param {string} basedir - Base directory path.
 * @returns {object} - Resolver object.
 */

"use strict";

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

function tmplResolver(basedir) {
    var resolver = new TmplResolver(basedir);
    var resolve = resolver.resolve.bind(resolver);
    resolve.resolve = resolve;
    return resolve;
}

function TmplResolver(basedir) {
    var s = this;
    s.basedir = basedir;
}

TmplResolver.prototype = {
    resolve: function (filename) {
        var s = this;
        var resolved = path.resolve(s.basedir, filename);
        var exists = fs.existsSync(resolved);
        if (!exists) {
            throw new Error('Template not found: ' + filename);
        }
        return resolved;
    },
    bindResolve: function () {
        var s = this;
        return s.resolve.bind(s);
    }
};

module.exports = tmplResolver;