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sonewman/meditate

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

export interface Observer<T> {
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  next?: (value: T) => any | Promise<any>;
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  error?: (err?: unknown) => any | Promise<any>;
Severity: Major
Found in src/Observer.interface.ts and 1 other location - About 3 hrs to fix
src/AsyncGenerator.ts on lines 88..95

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 95.

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

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

interface Observer<T> {
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  next?: (value: T) => any | Promise<any>;
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  error?: (err?: unknown) => any | Promise<any>;
Severity: Major
Found in src/AsyncGenerator.ts and 1 other location - About 3 hrs to fix
src/Observer.interface.ts on lines 1..8

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 95.

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

Function createOrchestratorObserver has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
Open

function createOrchestratorObserver<T, R>(
  observer: SubscriptionObserver<R>,
  orchestrator: Orchestrator<T, R>
): Orchestrator.Observer<R> {
Severity: Minor
Found in src/Orchestrator.ts - About 2 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 createOrchestratorObserver has 42 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function createOrchestratorObserver<T, R>(
  observer: SubscriptionObserver<R>,
  orchestrator: Orchestrator<T, R>
): Orchestrator.Observer<R> {
Severity: Minor
Found in src/Orchestrator.ts - About 1 hr to fix

    Function reduce has 35 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      reduce<R>(...args: [ReduceFn<T, R>] | [ReduceFn<T, R>, R]): Observable<R> {
    return new Observable<R>(async observer => {
      let pending = 0;
      let completed = false;
      let hasError = false;
    Severity: Minor
    Found in src/Observable.ts - About 1 hr to fix

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

        export const is = <T>(event: ObservableEvent<T>): event is ErrorEvent => {
    return event.type === EventType.Error;
  };
      Severity: Major
      Found in src/ObservableEvents.ts and 1 other location - About 1 hr to fix
      src/ObservableEvents.ts on lines 49..51

      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 59.

      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 const is = <T>(event: ObservableEvent<T>): event is CompleteEvent => {
    return event.type === EventType.Complete;
  };
      Severity: Major
      Found in src/ObservableEvents.ts and 1 other location - About 1 hr to fix
      src/ObservableEvents.ts on lines 41..43

      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 59.

      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

      Function iterate has 29 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      export async function iterate<T>(
  iterable: Iterable<T | Promise<T>> | AsyncIterable<T | Promise<T>>,
  next: (value: T) => any,
  error: (err: unknown) => any,
  complete: () => any
      Severity: Minor
      Found in src/iterate.ts - About 1 hr to fix

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

        function AssertFunction(value: any, errorText: string): asserts value is Function {
  if (typeof value === 'function') throw new TypeError(errorText);
}
        Severity: Minor
        Found in src/Subscription.ts and 1 other location - About 40 mins to fix
        src/Subscriber.ts on lines 45..47

        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

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

        function AssertFunction(value: any, errorText: string): asserts value is Function {
  if (typeof value === 'function') throw new TypeError(errorText);
}
        Severity: Minor
        Found in src/Subscriber.ts and 1 other location - About 40 mins to fix
        src/Subscription.ts on lines 60..62

        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

        Function constructor has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
        Open

          constructor(observable: Observable<T>) {

    const handleEvent = (event: ObservableEvent<T>) => queueMicrotask(async () => {

      const nextFuture = this.pendingFutures.shift();
        Severity: Minor
        Found in src/AsyncGenerator.ts - About 35 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 iterate has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
        Open

        export async function iterate<T>(
  iterable: Iterable<T | Promise<T>> | AsyncIterable<T | Promise<T>>,
  next: (value: T) => any,
  error: (err: unknown) => any,
  complete: () => any
        Severity: Minor
        Found in src/iterate.ts - About 35 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

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

          iterable: Iterable<T | Promise<T>> | AsyncIterable<T | Promise<T>>,
        Severity: Minor
        Found in src/iterate.ts and 1 other location - About 35 mins to fix
        src/Observable.ts on lines 149..149

        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 46.

        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

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

          iterable: Iterable<T | Promise<T>> | AsyncIterable<T | Promise<T>>,
        Severity: Minor
        Found in src/Observable.ts and 1 other location - About 35 mins to fix
        src/iterate.ts on lines 4..4

        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 46.

        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 Create<T>(subscription: ISubscription<T>): SubscriptionObserver<T> {
    return new SubscriptionObserver(subscription);
  }
        Severity: Minor
        Found in src/SubscriptionObserver.ts and 1 other location - About 30 mins to fix
        src/Subscription.ts on lines 40..42

        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 45.

        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 Create<T>(observer: Observer<T>): Subscription<T> {
    return new Subscription(observer);
  }
        Severity: Minor
        Found in src/Subscription.ts and 1 other location - About 30 mins to fix
        src/SubscriptionObserver.ts on lines 60..62

        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 45.

        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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