nsrbandCursor
f41e9dc23a
Stop dumping every byte as a number in event I/O, workflow test results, and script dry-runs. Co-authored-by: Cursor <cursoragent@cursor.com>
44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
const BUFFER_PREVIEW_BYTES = 16;
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/**
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* @param {unknown} value
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*/
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export function isBinary(value) {
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return (
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Buffer.isBuffer(value) ||
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ArrayBuffer.isView(value) ||
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value instanceof ArrayBuffer
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);
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}
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/**
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* Compact stand-in for JSON (Buffer.toJSON dumps every byte as a number).
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* @param {Buffer | ArrayBufferView | ArrayBuffer} value
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*/
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export function summarizeBinary(value) {
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const buf = Buffer.isBuffer(value)
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? value
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: value instanceof ArrayBuffer
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? Buffer.from(value)
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: Buffer.from(value.buffer, value.byteOffset, value.byteLength);
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const take = Math.min(buf.length, BUFFER_PREVIEW_BYTES);
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return {
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type: "Buffer",
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length: buf.length,
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preview: buf.subarray(0, take).toString("hex"),
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truncated: buf.length > take,
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};
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}
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/**
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* JSON.stringify replacer. Must be a real function so `this` is the holder:
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* Buffer#toJSON already ran on `value`, but `this[key]` is still the Buffer.
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* @param {string} key
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* @param {unknown} value
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*/
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export function jsonPreviewReplacer(key, value) {
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const raw = this[key];
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if (isBinary(raw)) return summarizeBinary(raw);
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return value;
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}
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