<pre class="shiki github-dark shaku"><code>/** * @param {string} translation * @param {any} data * @returns {string} */function t(translation, data) { const regexp = new RegExp(/{{(?&lt;name&gt;.*?)}}/g); return translation.replaceAll(regexp, (_a, key) =&gt; { if (!data) return ''; return data[key] || '' })}</code></pre>

4 line regex (cleaner)

Have you ever added i18n support to your projects? Take i18next as an example, generally the keys and translations are kept separately, like this JSON…