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Marcelo
2025-11-20 15:27:34 -06:00
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The MIT License (MIT)
Copyright 2010 Christopher Williams. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

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# @serialport/parser-inter-byte-timeout
See our api docs https://serialport.io/docs/api-parser-inter-byte-timeout

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/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import { Transform, TransformCallback, TransformOptions } from 'stream';
export interface InterByteTimeoutOptions extends TransformOptions {
/** the period of silence in milliseconds after which data is emitted */
interval: number;
/** the maximum number of bytes after which data will be emitted. Defaults to 65536 */
maxBufferSize?: number;
}
/**
* A transform stream that buffers data and emits it after not receiving any bytes for the specified amount of time or hitting a max buffer size.
*/
export declare class InterByteTimeoutParser extends Transform {
maxBufferSize: number;
currentPacket: number[];
interval: number;
intervalID: NodeJS.Timeout | undefined;
constructor({ maxBufferSize, interval, ...transformOptions }: InterByteTimeoutOptions);
_transform(chunk: Buffer, encoding: BufferEncoding, cb: TransformCallback): void;
emitPacket(): void;
_flush(cb: TransformCallback): void;
}

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InterByteTimeoutParser = void 0;
const stream_1 = require("stream");
/**
* A transform stream that buffers data and emits it after not receiving any bytes for the specified amount of time or hitting a max buffer size.
*/
class InterByteTimeoutParser extends stream_1.Transform {
maxBufferSize;
currentPacket;
interval;
intervalID;
constructor({ maxBufferSize = 65536, interval, ...transformOptions }) {
super(transformOptions);
if (!interval) {
throw new TypeError('"interval" is required');
}
if (typeof interval !== 'number' || Number.isNaN(interval)) {
throw new TypeError('"interval" is not a number');
}
if (interval < 1) {
throw new TypeError('"interval" is not greater than 0');
}
if (typeof maxBufferSize !== 'number' || Number.isNaN(maxBufferSize)) {
throw new TypeError('"maxBufferSize" is not a number');
}
if (maxBufferSize < 1) {
throw new TypeError('"maxBufferSize" is not greater than 0');
}
this.maxBufferSize = maxBufferSize;
this.currentPacket = [];
this.interval = interval;
}
_transform(chunk, encoding, cb) {
if (this.intervalID) {
clearTimeout(this.intervalID);
}
for (let offset = 0; offset < chunk.length; offset++) {
this.currentPacket.push(chunk[offset]);
if (this.currentPacket.length >= this.maxBufferSize) {
this.emitPacket();
}
}
this.intervalID = setTimeout(this.emitPacket.bind(this), this.interval);
cb();
}
emitPacket() {
if (this.intervalID) {
clearTimeout(this.intervalID);
}
if (this.currentPacket.length > 0) {
this.push(Buffer.from(this.currentPacket));
}
this.currentPacket = [];
}
_flush(cb) {
this.emitPacket();
cb();
}
}
exports.InterByteTimeoutParser = InterByteTimeoutParser;

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{
"name": "@serialport/parser-inter-byte-timeout",
"version": "12.0.0",
"main": "./dist/index.js",
"types": "./dist/index.d.ts",
"engines": {
"node": ">=12.0.0"
},
"publishConfig": {
"access": "public"
},
"license": "MIT",
"scripts": {
"build": "tsc --build tsconfig-build.json"
},
"repository": {
"type": "git",
"url": "git://github.com/serialport/node-serialport.git"
},
"funding": "https://opencollective.com/serialport/donate",
"devDependencies": {
"typescript": "5.2.2"
},
"gitHead": "f7e7bd53f9578a26c4f44cc1949fef396dc064c7"
}