total-order/any

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Function deepCompare has a Cognitive Complexity of 39 (exceeds 5 allowed). Consider refactoring.
Open

const deepCompare = (a, b) => {
    // NOTE: Shortcut.
    if (a === b) return 0;

    const left = [[a]];
Severity: Minor
Found in src/index.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 deepCompare has 90 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const deepCompare = (a, b) => {
    // NOTE: Shortcut.
    if (a === b) return 0;

    const left = [[a]];
Severity: Major
Found in src/index.js - About 3 hrs to fix

    Function comparePrimitives has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

    const comparePrimitives = (kind, _a, _b) => {
        assert(kind !== 'object');
        switch (kind) {
            case 'number': {
                if (Number.isNaN(_a)) {
    Severity: Minor
    Found in src/index.js - About 45 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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

                case RegExp: {
                    const delta_regexp = compare(_a.toString(), _b.toString());
                    if (delta_regexp !== 0) return delta_regexp;
                    continue;
                }
    Severity: Minor
    Found in src/index.js and 1 other location - About 30 mins to fix
    src/index.js on lines 83..87

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 45.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Avoid too many return statements within this function.
    Open

                    if (delta_date !== 0) return delta_date;
    Severity: Major
    Found in src/index.js - About 30 mins to fix

      Avoid too many return statements within this function.
      Open

                      if (_a.length !== _b.length) return _a.length - _b.length;
      Severity: Major
      Found in src/index.js - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

                    return 1;
        Severity: Major
        Found in src/index.js - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

              return 0;
          Severity: Major
          Found in src/index.js - About 30 mins to fix

            Similar blocks of code found in 2 locations. Consider refactoring.
            Open

                        case Date: {
                            const delta_date = compare(_a.getTime(), _b.getTime());
                            if (delta_date !== 0) return delta_date;
                            continue;
                        }
            Severity: Minor
            Found in src/index.js and 1 other location - About 30 mins to fix
            src/index.js on lines 77..81

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 45.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Avoid too many return statements within this function.
            Open

                        return compare(_a.toString(), _b.toString());
            Severity: Major
            Found in src/index.js - About 30 mins to fix

              Avoid too many return statements within this function.
              Open

                              if (delta_keys !== 0) return delta_keys;
              Severity: Major
              Found in src/index.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                            return compare(constructor_a.name, constructor_b.name);
                Severity: Major
                Found in src/index.js - About 30 mins to fix

                  Avoid too many return statements within this function.
                  Open

                                  if (delta_regexp !== 0) return delta_regexp;
                  Severity: Major
                  Found in src/index.js - About 30 mins to fix
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