Open the context
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Decode consecutive byte chunks using one UTF-8 decoder with streaming enabled. Split a multibyte character across chunks and check that the final flush rejects an unfinished byte sequence.
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Describe the input, expected output and boundaries that must stay intact.
Review the proposed edits and any commands before relying on their result.
Compare actual behavior with the expected result. If a check fails, investigate it before applying more changes.
const decoder = new TextDecoder("utf-8", { fatal: true });
let text = "";
for (const chunk of chunks) {
text += decoder.decode(chunk, { stream: true });
}
text += decoder.decode();The example is a starting point for a real project, not a claim that generated code is already tested. Adjust paths, dependencies and expected behavior to match your application.