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packages/babel-helper-module-transforms/src/rewrite-live-references.js

Summary

Maintainability
D
2 days
Test Coverage

Function exit has 74 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    exit(path) {
      const {
        scope,
        seen,
        imported,
Severity: Major
Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 2 hrs to fix

    File rewrite-live-references.js has 277 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    import assert from "assert";
import * as t from "@babel/types";
import template from "@babel/template";
import simplifyAccess from "@babel/helper-simple-access";
    Severity: Minor
    Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 2 hrs to fix

      Function exit has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
      Open

          exit(path) {
      const {
        scope,
        seen,
        imported,
      Severity: Minor
      Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 2 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 rewriteLiveReferences has 49 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      export default function rewriteLiveReferences(
  programPath: NodePath,
  metadata: ModuleMetadata,
) {
  const imported = new Map();
      Severity: Minor
      Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr to fix

        Function rewriteLiveReferences has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
        Open

        export default function rewriteLiveReferences(
  programPath: NodePath,
  metadata: ModuleMetadata,
) {
  const imported = new Map();
        Severity: Minor
        Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr 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 ForOfStatement|ForInStatement has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
        Open

          "ForOfStatement|ForInStatement"(path) {
    const { scope, node } = path;
    const { left } = node;
    const { exported, scope: programScope } = this;
        Severity: Minor
        Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr 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 ReferencedIdentifier has 38 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

          ReferencedIdentifier(path) {
    const {
      seen,
      buildImportReference,
      scope,
        Severity: Minor
        Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr to fix

          Function ForOfStatement|ForInStatement has 33 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

            "ForOfStatement|ForInStatement"(path) {
    const { scope, node } = path;
    const { left } = node;
    const { exported, scope: programScope } = this;
          Severity: Minor
          Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr to fix

            Function ReferencedIdentifier has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
            Open

              ReferencedIdentifier(path) {
    const {
      seen,
      buildImportReference,
      scope,
            Severity: Minor
            Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js - About 1 hr 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

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

                if (exportNames.length > 0) {
      const statement = t.expressionStatement(
        buildBindingExportAssignmentExpression(
          metadata,
          exportNames,
            Severity: Major
            Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js and 1 other location - About 2 hrs to fix
            packages/babel-helper-module-transforms/src/rewrite-live-references.js on lines 113..124

            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 82.

            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

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

                  if (exportNames.length > 0) {
        const statement = t.expressionStatement(
          buildBindingExportAssignmentExpression(
            metadata,
            exportNames,
            Severity: Major
            Found in packages/babel-helper-module-transforms/src/rewrite-live-references.js and 1 other location - About 2 hrs to fix
            packages/babel-helper-module-transforms/src/rewrite-live-references.js on lines 94..105

            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 82.

            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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