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eslint-plugin-zk/src/transform.js

Summary

Maintainability
F
4 days
Test Coverage

Function transformer has a Cognitive Complexity of 85 (exceeds 5 allowed). Consider refactoring.
Open

export default function transformer(file, api) {
    const j = api.jscodeshift;
    const root = j(file.source);
    const aliases = new Map();
Severity: Minor
Found in eslint-plugin-zk/src/transform.js - About 1 day 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 transformer has 217 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export default function transformer(file, api) {
    const j = api.jscodeshift;
    const root = j(file.source);
    const aliases = new Map();
Severity: Major
Found in eslint-plugin-zk/src/transform.js - About 1 day to fix

    Function zkDefine has 122 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        function zkDefine(item) {
        if (item.type === 'ObjectMethod') {
            item.value = j.functionExpression.from({
                body: item.body,
                params: item.params,
    Severity: Major
    Found in eslint-plugin-zk/src/transform.js - About 4 hrs to fix

      File transform.js has 300 lines of code (exceeds 250 allowed). Consider refactoring.
      Open

      // jscodeshift can take a parser, like "babel", "babylon", "flow", "ts", or "tsx"
// Read more: https://github.com/facebook/jscodeshift#parser
export const parser = 'tsx';

// styles:
      Severity: Minor
      Found in eslint-plugin-zk/src/transform.js - About 3 hrs to fix

        Function zkMemberMethods has 57 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

            function zkMemberMethods(members, isStatic) {
        if (!members) {
            return [];
        }
        const methods = [];
        Severity: Major
        Found in eslint-plugin-zk/src/transform.js - About 2 hrs to fix

          Avoid deeply nested control flow statements.
          Open

                                  if (param.typeAnnotation) {
                            continue;
                        }
          Severity: Major
          Found in eslint-plugin-zk/src/transform.js - About 45 mins to fix

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

                    if (item.type === 'ObjectMethod') {
            item.value = j.functionExpression.from({
                body: item.body,
                params: item.params,
                returnType: item.returnType
            Severity: Major
            Found in eslint-plugin-zk/src/transform.js and 1 other location - About 1 hr to fix
            eslint-plugin-zk/src/transform.js on lines 82..88

            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 66.

            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

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

                        if (member.type === 'ObjectMethod') {
                member.value = j.functionExpression.from({
                    body: member.body,
                    params: member.params,
                    returnType: member.returnType
            Severity: Major
            Found in eslint-plugin-zk/src/transform.js and 1 other location - About 1 hr to fix
            eslint-plugin-zk/src/transform.js on lines 138..144

            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 66.

            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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