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packages/babel-core/src/config/full.js

Summary

Maintainability
D
2 days
Test Coverage

Function loadFullConfig has a Cognitive Complexity of 60 (exceeds 5 allowed). Consider refactoring.
Open

export default gensync<[any], ResolvedConfig | null>(function* loadFullConfig(
  inputOpts: mixed,
): Handler<ResolvedConfig | null> {
  const result = yield* loadPrivatePartialConfig(inputOpts);
  if (!result) {
Severity: Minor
Found in packages/babel-core/src/config/full.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 loadFullConfig has 124 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export default gensync<[any], ResolvedConfig | null>(function* loadFullConfig(
  inputOpts: mixed,
): Handler<ResolvedConfig | null> {
  const result = yield* loadPrivatePartialConfig(inputOpts);
  if (!result) {
Severity: Major
Found in packages/babel-core/src/config/full.js - About 4 hrs to fix

    File full.js has 322 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    // @flow

import gensync, { type Handler } from "gensync";
import { forwardAsync } from "../gensync-utils/async";
    Severity: Minor
    Found in packages/babel-core/src/config/full.js - About 3 hrs to fix

      Function recurseDescriptors has 67 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          const ignored = yield* (function* recurseDescriptors(
      config: {
        plugins: Array<UnloadedDescriptor>,
        presets: Array<UnloadedDescriptor>,
      },
      Severity: Major
      Found in packages/babel-core/src/config/full.js - About 2 hrs to fix

        Function loadDescriptor has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
        Open

        const loadDescriptor = makeWeakCache(function* (
  { value, options, dirname, alias }: UnloadedDescriptor,
  cache: CacheConfigurator<SimpleContext>,
): Handler<LoadedDescriptor> {
  // Disabled presets should already have been filtered out
        Severity: Minor
        Found in packages/babel-core/src/config/full.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

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

                plugins: plugins.map(item => {
          const desc = getItemDescriptor(item);
          if (!desc) {
            throw new Error("Assertion failure - must be config item");
          }
        Severity: Minor
        Found in packages/babel-core/src/config/full.js and 1 other location - About 40 mins to fix
        packages/babel-core/src/config/full.js on lines 172..179

        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 49.

        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

                presets: presets.map(item => {
          const desc = getItemDescriptor(item);
          if (!desc) {
            throw new Error("Assertion failure - must be config item");
          }
        Severity: Minor
        Found in packages/babel-core/src/config/full.js and 1 other location - About 40 mins to fix
        packages/babel-core/src/config/full.js on lines 164..171

        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 49.

        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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