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packages/babel-parser/src/parser/util.js

Summary

Maintainability
B
4 hrs
Test Coverage

UtilParser has 22 functions (exceeds 20 allowed). Consider refactoring.
Open

export default class UtilParser extends Tokenizer {
  // TODO

  addExtra(node: Node, key: string, val: any): void {
    if (!node) return;
Severity: Minor
Found in packages/babel-parser/src/parser/util.js - About 2 hrs to fix

    Function tryParse has 41 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      tryParse<T: Node | $ReadOnlyArray<Node>>(
    fn: (abort: (node?: T) => empty) => T,
    oldState: State = this.state.clone(),
  ):
    | TryParse<T, null, false, false, null>
    Severity: Minor
    Found in packages/babel-parser/src/parser/util.js - About 1 hr to fix

      Function tryParse has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
      Open

        tryParse<T: Node | $ReadOnlyArray<Node>>(
    fn: (abort: (node?: T) => empty) => T,
    oldState: State = this.state.clone(),
  ):
    | TryParse<T, null, false, false, null>
      Severity: Minor
      Found in packages/babel-parser/src/parser/util.js - About 25 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"

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