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    @szmarczak/http-timer
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    1.1.0 • Public • Published

    http-timer

    Timings for HTTP requests

    Build Status Coverage Status install size

    Inspired by the request package.

    Usage

    'use strict';
    const https = require('https');
    const timer = require('@szmarczak/http-timer');
    
    const request = https.get('https://httpbin.org/anything');
    const timings = timer(request);
    
    request.on('response', response => {
    	response.on('data', () => {}); // Consume the data somehow
    	response.on('end', () => {
    		console.log(timings);
    	});
    });
    
    // { start: 1535708511443,
    //   socket: 1535708511444,
    //   lookup: 1535708511444,
    //   connect: 1535708511582,
    //   upload: 1535708511887,
    //   response: 1535708512037,
    //   end: 1535708512040,
    //   phases:
    //    { wait: 1,
    //      dns: 0,
    //      tcp: 138,
    //      request: 305,
    //      firstByte: 150,
    //      download: 3,
    //      total: 597 } }

    API

    timer(request)

    Returns: Object

    • start - Time when the request started.
    • socket - Time when a socket was assigned to the request.
    • lookup - Time when the DNS lookup finished.
    • connect - Time when the socket successfully connected.
    • upload - Time when the request finished uploading.
    • response - Time when the request fired the response event.
    • end - Time when the response fired the end event.
    • error - Time when the request fired the error event.
    • phases
      • wait - timings.socket - timings.start
      • dns - timings.lookup - timings.socket
      • tcp - timings.connect - timings.lookup
      • request - timings.upload - timings.connect
      • firstByte - timings.response - timings.upload
      • download - timings.end - timings.response
      • total - timings.end - timings.start or timings.error - timings.start

    Note: The time is a number representing the milliseconds elapsed since the UNIX epoch.

    License

    MIT

    Install

    npm i @szmarczak/http-timer@1.1.0

    Version

    1.1.0

    License

    MIT

    Unpacked Size

    5.8 kB

    Total Files

    4

    Last publish

    Collaborators

    • szmarczak