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server/node_modules/mimic-response/index.js
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1lostsun
update project
25 май 2025, 13:12
25 май 2025, 13:12
78a0079
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'use strict'; // We define these manually to ensure they're always copied // even if they would move up the prototype chain // https://nodejs.org/api/http.html#http_class_http_incomingmessage const knownProperties = [ 'aborted', 'complete', 'headers', 'httpVersion', 'httpVersionMinor', 'httpVersionMajor', 'method', 'rawHeaders', 'rawTrailers', 'setTimeout', 'socket', 'statusCode', 'statusMessage', 'trailers', 'url' ]; module.exports = (fromStream, toStream) => { if (toStream._readableState.autoDestroy) { throw new Error('The second stream must have the `autoDestroy` option set to `false`'); } const fromProperties = new Set(Object.keys(fromStream).concat(knownProperties)); const properties = {}; for (const property of fromProperties) { // Don't overwrite existing properties. if (property in toStream) { continue; } properties[property] = { get() { const value = fromStream[property]; const isFunction = typeof value === 'function'; return isFunction ? value.bind(fromStream) : value; }, set(value) { fromStream[property] = value; }, enumerable: true, configurable: false }; } Object.defineProperties(toStream, properties); fromStream.once('aborted', () => { toStream.destroy(); toStream.emit('aborted'); }); fromStream.once('close', () => { if (fromStream.complete) { if (toStream.readable) { toStream.once('end', () => { toStream.emit('close'); }); } else { toStream.emit('close'); } } else { toStream.emit('close'); } }); return toStream; };