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packages/babel-types/src/converters/gatherSequenceExpressions.js

Summary

Maintainability
C
1 day
Test Coverage

Function gatherSequenceExpressions has a Cognitive Complexity of 42 (exceeds 5 allowed). Consider refactoring.
Open

export default function gatherSequenceExpressions(
  nodes: Array<Object>,
  scope: Scope,
  declars: Array<Object>,
): ?Object {
Severity: Minor
Found in packages/babel-types/src/converters/gatherSequenceExpressions.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 gatherSequenceExpressions has 50 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export default function gatherSequenceExpressions(
  nodes: Array<Object>,
  scope: Scope,
  declars: Array<Object>,
): ?Object {
Severity: Minor
Found in packages/babel-types/src/converters/gatherSequenceExpressions.js - About 2 hrs to fix

    Avoid deeply nested control flow statements.
    Open

        } else if (isEmptyStatement(node)) {
      // empty statement so ensure the last item is undefined if we're last
      ensureLastUndefined = true;
    } else {
      // bailed, we can't turn this statement into an expression
    Severity: Major
    Found in packages/babel-types/src/converters/gatherSequenceExpressions.js - About 45 mins to fix

      Avoid deeply nested control flow statements.
      Open

            if (!body) return; // bailed
      Severity: Major
      Found in packages/babel-types/src/converters/gatherSequenceExpressions.js - About 45 mins to fix

        Avoid too many return statements within this function.
        Open

            return sequenceExpression(exprs);
        Severity: Major
        Found in packages/babel-types/src/converters/gatherSequenceExpressions.js - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

              return exprs[0];
          Severity: Major
          Found in packages/babel-types/src/converters/gatherSequenceExpressions.js - About 30 mins to fix

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