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Runnable/error-cat

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Showing 3 of 3 total issues

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

module.exports = class CriticalError extends BaseError {
  /**
   * Creates a new critical error.
   * @param {String} message Message for the error.
   * @param {Object} data Additional data for the error to be given to rollbar.
Severity: Minor
Found in lib/errors/critical-error.js and 1 other location - About 50 mins to fix
lib/errors/warning.js on lines 11..22

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 51.

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

module.exports = class Warning extends BaseError {
  /**
   * Creates a new warning. Note that this always sets a reporting level of
   * 'warning' unless explicitly overriden after instantiation.
   * @param {String} message Message for the error.
Severity: Minor
Found in lib/errors/warning.js and 1 other location - About 50 mins to fix
lib/errors/critical-error.js on lines 12..22

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 51.

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

  report (err, cb) {
    // Determine if we should report the error
    if (!this.shouldReport(err)) {
      if (isFunction(cb)) { cb() }
      return
Severity: Minor
Found in lib/rollbar-reporter.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

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