v148 · AI · JavaScript

Safety Harness

12 edge-case tests: API availability, unsupported language pairs, same-source-target, empty input, very long text, concurrent translations, model download trigger, same-text consistency, and graceful fallback paths.

Checking Translator API…

12Total

0Pass

0Fail

0Warn

Ready.

Test suite

// Defensive Translator usage
async function safeTranslate(text, from, to) {
  if (!window.Translator) return { error: 'not-supported' };
  if (!text?.trim()) return { error: 'empty-input' };
  if (from === to) return { result: text }; // no-op

  const avail = await Translator.availability({ sourceLanguage: from, targetLanguage: to });
  if (avail === 'no') return { error: 'pair-unavailable' };

  try {
    const t = await Translator.create({ sourceLanguage: from, targetLanguage: to });
    return { result: await t.translate(text) };
  } catch (e) {
    return { error: 'inference-error', message: e.message };
  }
}

implementation reference

Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗

see also

implementation reference