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lib/compile/codegen/code.ts

Summary

Maintainability
A
3 hrs
Test Coverage

Function mergeExprItems has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
Open

function mergeExprItems(a: CodeItem, b: CodeItem): CodeItem | undefined {
  if (b === '""') return a
  if (a === '""') return b
  if (typeof a == "string") {
    if (b instanceof Name || a[a.length - 1] !== '"') return
Severity: Minor
Found in lib/compile/codegen/code.ts - 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

Avoid too many return statements within this function.
Open

    return
Severity: Major
Found in lib/compile/codegen/code.ts - About 30 mins to fix

    Avoid too many return statements within this function.
    Open

      return
    Severity: Major
    Found in lib/compile/codegen/code.ts - About 30 mins to fix

      Avoid too many return statements within this function.
      Open

        if (typeof b == "string" && b[0] === '"' && !(a instanceof Name)) return `"${a}${b.slice(1)}`
      Severity: Major
      Found in lib/compile/codegen/code.ts - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

            if (b[0] === '"') return a.slice(0, -1) + b.slice(1)
        Severity: Major
        Found in lib/compile/codegen/code.ts - About 30 mins to fix

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

          function optimize(expr: CodeItem[]): void {
  let i = 1
  while (i < expr.length - 1) {
    if (expr[i] === plus) {
      const res = mergeExprItems(expr[i - 1], expr[i + 1])
          Severity: Minor
          Found in lib/compile/codegen/code.ts - 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"

          Further reading

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