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mike-north/ember-perf

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addon/services/ember-perf.js

Summary

Maintainability
C
1 day
Test Coverage

Function transitionLogger has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
Open

  transitionLogger: on('transitionComplete', function(data) {
    if (this.get('debugMode')) {
      console.group(`Top-Level Transition to ${data.destRoute} (${data.destURL}): ${data.elapsedTime}ms`);
      for (let i = 0; i < data.routes.length; i++) {
        console.group(`${data.routes[i].name} ${data.routes[i].elapsedTime}ms`);
Severity: Minor
Found in addon/services/ember-perf.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

Function _measureTransition has 27 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  _measureTransition(transitionInfo) {
    if (transitionInfo.promise._emberPerfTransitionId) {
      return;
    }
    transitionInfo.promise._emberPerfTransitionId = transitionCounter++;
Severity: Minor
Found in addon/services/ember-perf.js - About 1 hr to fix

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

      _measureTransition(transitionInfo) {
    if (transitionInfo.promise._emberPerfTransitionId) {
      return;
    }
    transitionInfo.promise._emberPerfTransitionId = transitionCounter++;
    Severity: Minor
    Found in addon/services/ember-perf.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

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

      renderBefore(name, timestamp, payload) {
    assert('Expected non-empty renderData', this.renderData);
    this.renderData.willRender(name, timestamp, payload);
    this.debugLog(`view will render - ${(payload.view || {})._debugContainerKey}`);
  },
    Severity: Major
    Found in addon/services/ember-perf.js and 1 other location - About 1 hr to fix
    addon/services/ember-perf.js on lines 147..151

    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 66.

    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

      renderAfter(name, timestamp, payload) {
    assert('Expected non-empty renderData', this.renderData);
    this.renderData.didRender(name, timestamp, payload);
    this.debugLog(`view did render - ${(payload.view || {})._debugContainerKey}`);
  },
    Severity: Major
    Found in addon/services/ember-perf.js and 1 other location - About 1 hr to fix
    addon/services/ember-perf.js on lines 141..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 66.

    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

      routeWillRender(route) {
    assert('Expected non-empty transitionData', this.transitionData);
    this.transitionData.routeFinishedSetup(route);
    this.debugLog(`route will render - ${route.get('routeName')}`);
  },
    Severity: Major
    Found in addon/services/ember-perf.js and 1 other location - About 1 hr to fix
    addon/services/ember-perf.js on lines 117..121

    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 66.

    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

      routeActivated(route) {
    assert('Expected non-empty transitionData', this.transitionData);
    this.transitionData.activateRoute(route);
    this.debugLog(`route activated - ${route.get('routeName')}`);
  },
    Severity: Major
    Found in addon/services/ember-perf.js and 1 other location - About 1 hr to fix
    addon/services/ember-perf.js on lines 128..132

    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 66.

    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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