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lts/lib/internal/fs/dir.js

Summary

Maintainability
F
1 wk
Test Coverage

Function kDirReadImpl has 41 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  [kDirReadImpl](maybeSync, callback) {
    if (this[kDirClosed] === true) {
      throw new ERR_DIR_CLOSED();
    }
Severity: Minor
Found in lts/lib/internal/fs/dir.js - About 1 hr to fix

    Function kDirReadImpl has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

      [kDirReadImpl](maybeSync, callback) {
    if (this[kDirClosed] === true) {
      throw new ERR_DIR_CLOSED();
    }
    Severity: Minor
    Found in lts/lib/internal/fs/dir.js - 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

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

    class Dir {
  constructor(handle, path, options) {
    if (handle == null) throw new ERR_MISSING_ARGS('handle');
    this[kDirHandle] = handle;
    this[kDirBufferedEntries] = [];
    Severity: Major
    Found in lts/lib/internal/fs/dir.js and 1 other location - About 1 wk to fix
    current/lib/internal/fs/dir.js on lines 43..212

    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 1199.

    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 opendir(path, options, callback) {
  callback = typeof options === 'function' ? options : callback;
  if (typeof callback !== 'function') {
    throw new ERR_INVALID_CALLBACK(callback);
  }
    Severity: Major
    Found in lts/lib/internal/fs/dir.js and 1 other location - About 6 hrs to fix
    current/lib/internal/fs/dir.js on lines 221..247

    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 167.

    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 opendirSync(path, options) {
  path = getValidatedPath(path);
  options = getOptions(options, {
    encoding: 'utf8'
  });
    Severity: Major
    Found in lts/lib/internal/fs/dir.js and 1 other location - About 3 hrs to fix
    current/lib/internal/fs/dir.js on lines 249..265

    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 98.

    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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