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nodef/extra-bigint

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src/index.ts

Summary

Maintainability
D
2 days
Test Coverage
A
100%

File index.ts has 349 lines of code (exceeds 250 allowed). Consider refactoring.
Invalid

// METHODS
// =======

// ABOUT
// -----
Severity: Minor
Found in src/index.ts - About 4 hrs to fix

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

    export function maxPrimeFactor(x: bigint): bigint {
  var x = abs(x), a = 0n;
  // 1. GPF of 2, 3 is the number itself.
  if (x<=1n) return 0n;
  if (x<=3n) return x;
    Severity: Minor
    Found in src/index.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

    Function minPrimeFactor has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
    Open

    export function minPrimeFactor(x: bigint): bigint {
  var x = abs(x);
  // 1. LPF of 2, 3 is the number itself.
  if (x<=1n) return 0n;
  if (x<=3n) return x;
    Severity: Minor
    Found in src/index.ts - About 55 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

    Function remap has 5 arguments (exceeds 4 allowed). Consider refactoring.
    Invalid

    export function remap(x: bigint, r: bigint, R: bigint, t: bigint, T: bigint): bigint {
    Severity: Minor
    Found in src/index.ts - About 35 mins to fix

      Avoid too many return statements within this function.
      Open

        return x;
      Severity: Major
      Found in src/index.ts - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

            if (x % (i+1n)===0n) return i+1n;
        Severity: Major
        Found in src/index.ts - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

              if (x % (i-1n)===0n) return i-1n;
          Severity: Major
          Found in src/index.ts - About 30 mins to fix

            Function range has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
            Invalid

            export function range(...xs: bigint[]): [bigint, bigint] {
  if (xs.length===0) return [0n, 0n];
  var a = xs[0], b = a;
  for (var x of xs) {
    a = x<a? x : a;
            Severity: Minor
            Found in src/index.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

            Similar blocks of code found in 2 locations. Consider refactoring.
            Invalid

            export function max(...xs: bigint[]): bigint {
  if (xs.length===0) return 0n;
  var a = xs[0];
  for (var x of xs)
    a = x>a? x : a;
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 728..734

            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 84.

            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

            Similar blocks of code found in 2 locations. Consider refactoring.
            Invalid

            export function min(...xs: bigint[]): bigint {
  if (xs.length===0) return 0n;
  var a = xs[0];
  for (var x of xs)
    a = x<a? x : a;
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 742..748

            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 84.

            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

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

              for (var i=6n, I=sqrt(x)+1n; x>1n && i<=I; i+=6n) {
    x = pushPrimeFactorTo$(a, x, i-1n);
    x = pushPrimeFactorTo$(a, x, i+1n);
  }
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 495..498

            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

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

              for (var i=6n, I=sqrt(x)+1n; x>1n && i<=I; i+=6n) {
    x = pushPrimeExponentialTo$(a, x, i-1n);
    x = pushPrimeExponentialTo$(a, x, i+1n);
  }
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 462..465

            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

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

            export function nextPow2(x: bigint): bigint {
  if (x<=0n) return 1n;
  var n = (x-1n).toString(2).length;
  return BigInt("0b1" + "0".repeat(n));
}
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 266..270

            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 77.

            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

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

            export function prevPow10(x: bigint): bigint {
  if (x<=1n) return 0n;
  var n = x.toString(10).length;
  return BigInt("1" + "0".repeat(n-1));
}
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 230..234

            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 77.

            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

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

            export function prevPow2(x: bigint): bigint {
  if (x<=1n) return 0n;
  var n = x.toString(2).length;
  return BigInt("0b1" + "0".repeat(n-1));
}
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 242..246

            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 77.

            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

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

            export function nextPow10(x: bigint): bigint {
  if (x<=0n) return 1n;
  var n = (x-1n).toString(10).length;
  return BigInt("1" + "0".repeat(n));
}
            Severity: Major
            Found in src/index.ts and 1 other location - About 2 hrs to fix
            src/index.ts on lines 254..258

            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 77.

            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

            Similar blocks of code found in 2 locations. Consider refactoring.
            Invalid

            export function sum(...xs: bigint[]): bigint {
  var a = 0n;
  for (var x of xs)
    a += x;
  return a;
            Severity: Minor
            Found in src/index.ts and 1 other location - About 40 mins to fix
            src/index.ts on lines 668..673

            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 49.

            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

            Similar blocks of code found in 2 locations. Consider refactoring.
            Invalid

            export function product(...xs: bigint[]): bigint {
  var a = 1n;
  for (var x of xs)
    a *= x;
  return a;
            Severity: Minor
            Found in src/index.ts and 1 other location - About 40 mins to fix
            src/index.ts on lines 655..660

            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 49.

            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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