mport</span> fetch <span class="token keyword">from</span> <span class="token string">'fetch'</span><span class="token punctuation">;</span>
<span class="token comment">// ...</span>
Ember<span class="token punctuation">.</span><span class="token function-variable function">onerror</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">error</span><span class="token punctuation">)</span> <span class="token