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JCMais/node-libcurl

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examples/21-websockets-client-helpers/index.js

Summary

Maintainability
B
4 hrs
Test Coverage

Function readFrame has 52 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function readFrame(frame) {
  const firstByte = frame.readUInt8(0)

  const fin = ((firstByte & 0b10000000) === 0b10000000) | 0
  const rs1 = firstByte & 0b01000000
Severity: Major
Found in examples/21-websockets-client-helpers/index.js - About 2 hrs to fix

    Function readFrame has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

    function readFrame(frame) {
  const firstByte = frame.readUInt8(0)

  const fin = ((firstByte & 0b10000000) === 0b10000000) | 0
  const rs1 = firstByte & 0b01000000
    Severity: Minor
    Found in examples/21-websockets-client-helpers/index.js - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function packFrame has 28 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    function packFrame(data, type) {
  const length = data.length
  // initial offset is 6
  // 1 byte for the first part (fin, rsvn, opcode)
  // 1 byte for the mask and payload length(first part)
    Severity: Minor
    Found in examples/21-websockets-client-helpers/index.js - About 1 hr to fix

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