Experimental localization management using prototypical inheritence

i18n.ts

/**
 * Usage:
    import Resx = require("i18n");
    let en = Resx("en");
    en.foo = "bar";
    let enUs = Resx("en-US");
    should.equal(en.foo, "bar");
    should.equal(enUs.foo, "bar");
    en.foo = "en-foo";
    should.equal(en.foo, "en-foo", "en test 1");
    should.equal(enUs.foo, "en-foo", "en-us test 1");
    enUs.foo = "en-us-foo";
    should.equal(en.foo, "en-foo", "en test 2");
    should.equal(enUs.foo, "en-us-foo", "en-us test 2");
 */
class i18n {
    static get(locale: string) {
        let factory = i18n[locale];
        if (!factory) {
            switch (locale.length) {
                case 5:
                    factory = i18n[locale] = Object.create(i18n.get(locale.substring(0, 2)));
                    break;
                case 2:
                default:
                    factory = i18n[locale] = {};
                    break;
            }
        }
        return factory;
    }
}

export = i18n.get;