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app/javascripts/modernizr.js

Summary

Maintainability
F
4 days
Test Coverage

Function Modernizr has 385 lines of code (exceeds 25 allowed). Consider refactoring.
Open

window.Modernizr = (function(window,doc,undefined){
    
    var version = '1.5',
    
    ret = {},
Severity: Major
Found in app/javascripts/modernizr.js - About 1 day to fix

    Function Modernizr has a Cognitive Complexity of 89 (exceeds 5 allowed). Consider refactoring.
    Open

    window.Modernizr = (function(window,doc,undefined){
    
    var version = '1.5',
    
    ret = {},
    Severity: Minor
    Found in app/javascripts/modernizr.js - About 1 day 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

    File modernizr.js has 387 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    /*!
 * Modernizr JavaScript library 1.5
 * http://www.modernizr.com/
 *
 * Copyright (c) 2009-2010 Faruk Ates - http://farukat.es/
    Severity: Minor
    Found in app/javascripts/modernizr.js - About 5 hrs to fix

      Function fontface has 40 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          tests[fontface] = function(){

        var fontret;
        if (/*@cc_on@if(@_jscript_version>=5)!@end@*/0) fontret = true;
      Severity: Minor
      Found in app/javascripts/modernizr.js - About 1 hr to fix

        Function webforms has 29 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

            function webforms(){
    
        // Run through HTML5's new input attributes to see if the UA understands any.
        // We're using f which is the <input> element created early on
        // Mike Taylr has created a comprehensive resource for testing these attributes
        Severity: Minor
        Found in app/javascripts/modernizr.js - About 1 hr to fix

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

              tests[localstorage] = function() {
        try {
          return ('localStorage' in window) && window[localstorage] !== null;
        } catch(e) {
          return false;
          Severity: Minor
          Found in app/javascripts/modernizr.js and 1 other location - About 50 mins to fix
          app/javascripts/modernizr.js on lines 649..655

          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

              tests[sessionstorage] = function() {
        try {
            return ('sessionStorage' in window) && window[sessionstorage] !== null;
        } catch(e){
            return false;
          Severity: Minor
          Found in app/javascripts/modernizr.js and 1 other location - About 50 mins to fix
          app/javascripts/modernizr.js on lines 641..647

          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

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