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thebespokepixel/es-tinycolor

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src/lib/extensions/hsv.js

Summary

Maintainability
A
0 mins
Test Coverage

Function 'rgbaToHsva' has a complexity of 7.
Open

function rgbaToHsva(rgba) {
Severity: Minor
Found in src/lib/extensions/hsv.js by eslint

Limit Cyclomatic Complexity (complexity)

Cyclomatic complexity measures the number of linearly independent paths through a program's source code. This rule allows setting a cyclomatic complexity threshold.

function a(x) {
    if (true) {
        return x; // 1st path
    } else if (false) {
        return x+1; // 2nd path
    } else {
        return 4; // 3rd path
    }
}

Rule Details

This rule is aimed at reducing code complexity by capping the amount of cyclomatic complexity allowed in a program. As such, it will warn when the cyclomatic complexity crosses the configured threshold (default is 20).

Examples of incorrect code for a maximum of 2:

/*eslint complexity: ["error", 2]*/

function a(x) {
    if (true) {
        return x;
    } else if (false) {
        return x+1;
    } else {
        return 4; // 3rd path
    }
}

Examples of correct code for a maximum of 2:

/*eslint complexity: ["error", 2]*/

function a(x) {
    if (true) {
        return x;
    } else {
        return 4;
    }
}

Options

Optionally, you may specify a max object property:

"complexity": ["error", 2]

is equivalent to

"complexity": ["error", { "max": 2 }]

Deprecated: the object property maximum is deprecated. Please use the property max instead.

When Not To Use It

If you can't determine an appropriate complexity limit for your code, then it's best to disable this rule.

Further Reading

Related Rules

  • [max-depth](max-depth.md)
  • [max-len](max-len.md)
  • [max-nested-callbacks](max-nested-callbacks.md)
  • [max-params](max-params.md)
  • [max-statements](max-statements.md) Source: http://eslint.org/docs/rules/

Function rgbaToHsva has 27 lines of code (exceeds 25 allowed). Consider refactoring.
Wontfix

function rgbaToHsva(rgba) {
    const r = bound01(rgba.r, 255)
    const g = bound01(rgba.g, 255)
    const b = bound01(rgba.b, 255)
    const a = rgba.a || 1
Severity: Minor
Found in src/lib/extensions/hsv.js - About 1 hr to fix

    Function rgbaToHsva has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
    Wontfix

    function rgbaToHsva(rgba) {
    const r = bound01(rgba.r, 255)
    const g = bound01(rgba.g, 255)
    const b = bound01(rgba.b, 255)
    const a = rgba.a || 1
    Severity: Minor
    Found in src/lib/extensions/hsv.js - About 55 mins 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

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