Nano template engine

nano.ts

/**
 * Parse template string
 *
 * @usage parseTemplate(`my name is {name} {nested.name}`, {name: 'foo', nested: { name: 'bar' }})
 * @param template string
 * @param data object
 * @returns string
 */
export function HelperParseTemplate(template: string, data: any): string {
    return template.replace(/\{([\w\\.]*)\}/g, (str: string, key: string) => {
        const keys = key.split('.');
        let v = data[keys.shift()!];

        if (keys.length > 0) {
            keys.forEach((k: string) => {
                v = v ? v[k] : `{${key}}`;
            });
        }

        return typeof v !== 'undefined' && v !== null ? v : str;
    });
}