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edit-distance/myers-1986

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src/twoWayScan.js

Summary

Maintainability
C
1 day
Test Coverage

Function twoWayScan has a Cognitive Complexity of 35 (exceeds 5 allowed). Consider refactoring.
Open

export default function twoWayScan(
    MAX,
    V,
    centerF,
    centerB,
Severity: Minor
Found in src/twoWayScan.js - About 5 hrs 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 twoWayScan has 126 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export default function twoWayScan(
    MAX,
    V,
    centerF,
    centerB,
Severity: Major
Found in src/twoWayScan.js - About 5 hrs to fix

    Function twoWayScan has 9 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        MAX,
    V,
    centerF,
    centerB,
    eq,
    Severity: Major
    Found in src/twoWayScan.js - About 1 hr to fix

      Avoid deeply nested control flow statements.
      Open

                          if (V[c] === V[(c + cBDcF) | 0]) {
                        // XEnd === V[centerB + k - Delta]
                        return new Split(
                            (c - cFmD0) | 0, // K + Delta0
                            longestCommonSuffix(eq, x, li, (x - ((c - cFmD0) | 0)) | 0, ri),
      Severity: Major
      Found in src/twoWayScan.js - About 45 mins to fix

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