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current/benchmark/async_hooks/async-resource-vs-destroy.js

Summary

Maintainability
F
5 days
Test Coverage

Function buildCurrentResource has 33 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function buildCurrentResource(getServe) {
  const server = createServer(getServe(getCLS, setCLS));
  const hook = createHook({ init });
  const cls = Symbol('cls');
  hook.enable();
Severity: Minor
Found in current/benchmark/async_hooks/async-resource-vs-destroy.js - About 1 hr to fix

    Function buildAsyncLocalStorage has 28 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    function buildAsyncLocalStorage(getServe) {
  const asyncLocalStorage = new AsyncLocalStorage();
  const server = createServer((req, res) => {
    asyncLocalStorage.run({}, () => {
      getServe(getCLS, setCLS)(req, res);
    Severity: Minor
    Found in current/benchmark/async_hooks/async-resource-vs-destroy.js - About 1 hr to fix

      Function buildDestroy has 26 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      function buildDestroy(getServe) {
  const transactions = new Map();
  const server = createServer(getServe(getCLS, setCLS));
  const hook = createHook({ init, destroy });
  hook.enable();
      Severity: Minor
      Found in current/benchmark/async_hooks/async-resource-vs-destroy.js - About 1 hr to fix

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

        function buildCurrentResource(getServe) {
  const server = createServer(getServe(getCLS, setCLS));
  const hook = createHook({ init });
  const cls = Symbol('cls');
  hook.enable();
        Severity: Minor
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js - 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

        function buildCurrentResource(getServe) {
  const server = createServer(getServe(getCLS, setCLS));
  const hook = createHook({ init });
  const cls = Symbol('cls');
  hook.enable();
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 1 day to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 25..64

        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 266.

        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 buildDestroy(getServe) {
  const transactions = new Map();
  const server = createServer(getServe(getCLS, setCLS));
  const hook = createHook({ init, destroy });
  hook.enable();
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 1 day to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 66..99

        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 230.

        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 buildAsyncLocalStorage(getServe) {
  const asyncLocalStorage = new AsyncLocalStorage();
  const server = createServer((req, res) => {
    asyncLocalStorage.run({}, () => {
      getServe(getCLS, setCLS)(req, res);
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 1 day to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 101..134

        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 199.

        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 main({ type, asyncMethod, connections, duration, path }) {
  const { server, close } = types[type](asyncMethods[asyncMethod]);

  server
    .listen(common.PORT)
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 4 hrs to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 171..186

        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 133.

        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 getServeCallbacks(getCLS, setCLS) {
  return function serve(req, res) {
    setCLS(Math.random());
    setTimeout(() => {
      readFile(__filename, () => {
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 3 hrs to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 147..158

        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 111.

        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 getServeAwait(getCLS, setCLS) {
  return async function serve(req, res) {
    setCLS(Math.random());
    await sleep(10);
    await read(__filename);
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 3 hrs to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 136..145

        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 103.

        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

        const bench = common.createBenchmark(main, {
  type: ['async-resource', 'destroy', 'async-local-storage'],
  asyncMethod: ['callbacks', 'async'],
  path: '/',
  connections: 500,
        Severity: Major
        Found in current/benchmark/async_hooks/async-resource-vs-destroy.js and 1 other location - About 1 hr to fix
        lts/benchmark/async_hooks/async-resource-vs-destroy.js on lines 16..23

        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 56.

        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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