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sjsyrek/maryamyriameliamurphies.js

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source/list/ordering.js

Summary

Maintainability
C
1 day
Test Coverage

Function mergeSortBy has a Cognitive Complexity of 41 (exceeds 5 allowed). Consider refactoring.
Open

export const mergeSortBy = (cmp, as) => {
  const mergeSortBy_ = (cmp, as) => {
    if (isList(as) === false) { return error.listError(as, mergeSortBy); }
    const sequences = as => {
      if (isEmpty(as)) { return list(as); }
Severity: Minor
Found in source/list/ordering.js - About 6 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 mergeSortBy has 53 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export const mergeSortBy = (cmp, as) => {
  const mergeSortBy_ = (cmp, as) => {
    if (isList(as) === false) { return error.listError(as, mergeSortBy); }
    const sequences = as => {
      if (isEmpty(as)) { return list(as); }
Severity: Major
Found in source/list/ordering.js - About 2 hrs to fix

    Function mergeSortBy_ has 50 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      const mergeSortBy_ = (cmp, as) => {
    if (isList(as) === false) { return error.listError(as, mergeSortBy); }
    const sequences = as => {
      if (isEmpty(as)) { return list(as); }
      let xs = tail(as);
    Severity: Minor
    Found in source/list/ordering.js - About 2 hrs to fix

      Function insertBy has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
      Open

      export const insertBy = (cmp, e, as) => {
  const insertBy_ = (cmp, e, as) => {
    if (isList(as) === false) { return error.listError(as, insertBy); }
    if (isEmpty(as)) { return list(e); }
    const x = head(as);
      Severity: Minor
      Found in source/list/ordering.js - About 35 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

      export const insert = (e, xs) => {
  const insert_ = (e, xs) => isList(xs) ? insertBy(compare, e, xs) : error.listError(xs, insert);
  return partial(insert_, e, xs);
}
      Severity: Major
      Found in source/list/ordering.js and 1 other location - About 1 hr to fix
      source/list/set.js on lines 84..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 67.

      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

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