34 lines
665 B
JavaScript
34 lines
665 B
JavaScript
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// @ts-check
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/**
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* @param {Uint8Array} bytes
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* @returns {string}
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*/
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export default (bytes, maxBytes = 1024) => {
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let result = "";
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let hasWrittenFirstByte = false;
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// We truncate for performance.
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//
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// There are other ways to achieve this but this is the simplest.
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const shouldTruncate = bytes.byteLength > maxBytes;
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if (shouldTruncate) {
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bytes = bytes.subarray(0, maxBytes);
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}
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for (const byte of bytes) {
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if (hasWrittenFirstByte) {
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result += " ";
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} else {
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hasWrittenFirstByte = true;
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}
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result += byte.toString(16).padStart(2, "0");
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}
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if (shouldTruncate) {
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result += " … ";
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}
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return result;
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};
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