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acuminous/x-pool

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File Pool.js has 283 lines of code (exceeds 250 allowed). Consider refactoring.
Open

const { EventEmitter } = require('node:events');
const { scheduler } = require('node:timers/promises');
const TimedTask = require('./TimedTask');
const State = require('./State');
const { validateFactory, validateBoolean, validateNumber } = require('./validation');
Severity: Minor
Found in lib/Pool.js - About 2 hrs to fix

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

      addLateAcquiredResource(wrappedResource, task) {
    this._removeItem(this._inProgressAcquireTasks, task);
    this._idleResources.push(wrappedResource);
    this._wrappedResources.set(wrappedResource.resource, wrappedResource);
    this._updatePeak();
    Severity: Major
    Found in lib/State.js and 1 other location - About 1 hr to fix
    lib/State.js on lines 121..126

    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 71.

    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

      addAcquiredResource(wrappedResource, task) {
    this._removeItem(this._inProgressAcquireTasks, task);
    this._acquiredResources.push(wrappedResource);
    this._wrappedResources.set(wrappedResource.resource, wrappedResource);
    this._updatePeak();
    Severity: Major
    Found in lib/State.js and 1 other location - About 1 hr to fix
    lib/State.js on lines 128..133

    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 71.

    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 3 locations. Consider refactoring.
    Open

      dequeueAcquireTask() {
    if (this._inProgressAcquireTasks.length === 0) throw new OutOfBoundsError('There are no more acquire tasks');
    return this._inProgressAcquireTasks.shift();
  }
    Severity: Minor
    Found in lib/State.js and 2 other locations - About 30 mins to fix
    lib/State.js on lines 116..119
    lib/State.js on lines 161..164

    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 3 locations. Consider refactoring.
    Open

      getIdleResource() {
    if (this._idleResources.length === 0) throw new OutOfBoundsError('There are no more idle resources');
    return this._idleResources.shift();
  }
    Severity: Minor
    Found in lib/State.js and 2 other locations - About 30 mins to fix
    lib/State.js on lines 139..142
    lib/State.js on lines 161..164

    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 3 locations. Consider refactoring.
    Open

      dequeueDestroyTask() {
    if (this._inProgressDestroyTasks.length === 0) throw new OutOfBoundsError('There are no more destroy tasks');
    return this._inProgressDestroyTasks.shift();
  }
    Severity: Minor
    Found in lib/State.js and 2 other locations - About 30 mins to fix
    lib/State.js on lines 116..119
    lib/State.js on lines 139..142

    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

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

      async _batchAquire(task, size) {
    const acquireResources = new Array(size).fill().map(async () => {
      let resource;
      while (!resource && task.isOK()) {
        try {
    Severity: Minor
    Found in lib/Pool.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"

    Further reading

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