packages/babel-plugin-transform-typescript/src/enum.js

Summary

Maintainability
C
1 day
Test Coverage

Function evaluate has 78 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function evaluate(
  expr,
  seen: PreviousEnumMembers,
): number | string | typeof undefined {
  return evalConstant(expr);
Severity: Major
Found in packages/babel-plugin-transform-typescript/src/enum.js - About 3 hrs to fix

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

    function evaluate(
      expr,
      seen: PreviousEnumMembers,
    ): number | string | typeof undefined {
      return evalConstant(expr);
    Severity: Minor
    Found in packages/babel-plugin-transform-typescript/src/enum.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 transpileEnum has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
    Open

    export default function transpileEnum(path, t) {
      const { node } = path;
      if (node.const) {
        throw path.buildCodeFrameError("'const' enums are not supported.");
      }
    Severity: Minor
    Found in packages/babel-plugin-transform-typescript/src/enum.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 transpileEnum has 39 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    export default function transpileEnum(path, t) {
      const { node } = path;
      if (node.const) {
        throw path.buildCodeFrameError("'const' enums are not supported.");
      }
    Severity: Minor
    Found in packages/babel-plugin-transform-typescript/src/enum.js - About 1 hr to fix

      Function evalBinaryExpression has 34 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        function evalBinaryExpression(expr): number | typeof undefined {
          const left = evalConstant(expr.left);
          if (left === undefined) {
            return undefined;
          }
      Severity: Minor
      Found in packages/babel-plugin-transform-typescript/src/enum.js - About 1 hr to fix

        Function translateEnumValues has 33 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

        function translateEnumValues(path, t) {
          const seen: PreviousEnumMembers = Object.create(null);
          // Start at -1 so the first enum member is its increment, 0.
          let prev: number | typeof undefined = -1;
          return path.node.members.map(member => {
        Severity: Minor
        Found in packages/babel-plugin-transform-typescript/src/enum.js - About 1 hr to fix

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