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Function exports has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
Open

module.exports = function(md/*, options */) {
  md.core.ruler.push('container_example', function(state) {
    const tokens = state.tokens;
    let containerOpen;
    let headingContent;
Severity: Minor
Found in build/metalsmith/markdown/markdown-container-example.js - About 2 hrs 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 is.only-tabbable.test.js has 271 lines of code (exceeds 250 allowed). Consider refactoring.
Open

define(function(require) {
  'use strict';

  var bdd = require('intern!bdd');
  var expect = require('intern/chai!expect');
Severity: Minor
Found in test/unit/is.only-tabbable.test.js - About 2 hrs to fix

    Notes has 23 functions (exceeds 20 allowed). Consider refactoring.
    Open

    class Notes {
  constructor(source, offset) {
    // the source data
    this.source = source;
    // the result data
    Severity: Minor
    Found in build/data-tables/utils/focusable.notes.interface.js - About 2 hrs to fix

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

          bdd.it('should search within given context', function() {
      var expected = [
        '#link',
        '#link-tabindex--1',
      ];
      Severity: Major
      Found in test/unit/query.focusable.strict.test.js and 1 other location - About 2 hrs to fix
      test/unit/query.focusable.all.test.js on lines 26..38

      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 84.

      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

          bdd.it('should find ancestry in SVG', function() {
      var expected = '#svg-link-text #svg-link #svg #intern-dom-fixture body html'.split(' ');
      var result = getParents({
        context: '#svg-link-text',
      }).map(fixture.nodeToString);
      Severity: Major
      Found in test/unit/get.parents.test.js and 1 other location - About 2 hrs to fix
      test/unit/get.parents.test.js on lines 38..45

      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 84.

      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

          bdd.it('should find ancestry', function() {
      var expected = '#target div #intern-dom-fixture body html'.split(' ');
      var result = getParents({
        context: '#target',
      }).map(fixture.nodeToString);
      Severity: Major
      Found in test/unit/get.parents.test.js and 1 other location - About 2 hrs to fix
      test/unit/get.parents.test.js on lines 47..54

      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 84.

      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

          bdd.it('should search within given context', function() {
      var expected = [
        '#link',
        '#link-tabindex--1',
      ];
      Severity: Major
      Found in test/unit/query.focusable.all.test.js and 1 other location - About 2 hrs to fix
      test/unit/query.focusable.strict.test.js on lines 26..38

      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 84.

      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 isOnlyTabbableRules has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.
      Open

      function isOnlyTabbableRules({
  context,
  except = {
    onlyFocusableBrowsingContext: false,
    visible: false,
      Severity: Minor
      Found in src/is/only-tabbable.js - About 2 hrs 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 is.focus-relevant.test.js has 267 lines of code (exceeds 250 allowed). Consider refactoring.
      Open

      define(function(require) {
  'use strict';

  var bdd = require('intern!bdd');
  var expect = require('intern/chai!expect');
      Severity: Minor
      Found in test/unit/is.focus-relevant.test.js - About 2 hrs to fix

        Similar blocks of code found in 5 locations. Consider refactoring.
        Open

            bdd.it('should handle invalid input', function() {
      expect(function() {
        isOnlyTabbable(null);
      }).to.throw(TypeError, 'is/only-tabbable requires valid options.context');
        Severity: Major
        Found in test/unit/is.only-tabbable.test.js and 4 other locations - About 2 hrs to fix
        test/unit/is.focus-relevant.test.js on lines 25..33
        test/unit/is.focusable.test.js on lines 25..33
        test/unit/is.tabbable.test.js on lines 33..41
        test/unit/is.visible.test.js on lines 90..98

        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 83.

        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

                setTimeout(deferred.callback(function() {
          type = handle.get();
          expect(type.pointer).to.equal(false, 'pointer delayed');
          expect(type.key).to.equal(false, 'key delayed');
        }), 20);
        Severity: Major
        Found in test/unit/observe.interaction-type.test.js and 1 other location - About 2 hrs to fix
        test/unit/observe.interaction-type.test.js on lines 57..61

        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 83.

        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

              bdd.it('should follow focus to #outer-input', function() {
        fixture.input.outer.focus();

        expect(document.activeElement).to.equal(fixture.input.outer, 'activeElement');
        _expect('ancestry', 'html body #intern-dom-fixture #outer-input'.split(' '));
        Severity: Major
        Found in test/unit/style.focus-within.test.js and 1 other location - About 2 hrs to fix
        test/unit/style.focus-within.test.js on lines 68..73

        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 83.

        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

              bdd.it('should follow focus to #after-input', function() {
        fixture.input.after.focus();

        expect(document.activeElement).to.equal(fixture.input.after, 'activeElement');
        _expect('ancestry', 'html body #intern-dom-fixture #after-wrapper #after-input'.split(' '));
        Severity: Major
        Found in test/unit/style.focus-within.test.js and 1 other location - About 2 hrs to fix
        test/unit/style.focus-within.test.js on lines 61..66

        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 83.

        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 5 locations. Consider refactoring.
        Open

            bdd.it('should handle invalid input', function() {
      expect(function() {
        isFocusable(null);
      }).to.throw(TypeError, 'is/focusable requires valid options.context');
        Severity: Major
        Found in test/unit/is.focusable.test.js and 4 other locations - About 2 hrs to fix
        test/unit/is.focus-relevant.test.js on lines 25..33
        test/unit/is.only-tabbable.test.js on lines 31..39
        test/unit/is.tabbable.test.js on lines 33..41
        test/unit/is.visible.test.js on lines 90..98

        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 83.

        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 5 locations. Consider refactoring.
        Open

            bdd.it('should handle invalid input', function() {
      expect(function() {
        isTabbable(null);
      }).to.throw(TypeError, 'is/tabbable requires valid options.context');
        Severity: Major
        Found in test/unit/is.tabbable.test.js and 4 other locations - About 2 hrs to fix
        test/unit/is.focus-relevant.test.js on lines 25..33
        test/unit/is.focusable.test.js on lines 25..33
        test/unit/is.only-tabbable.test.js on lines 31..39
        test/unit/is.visible.test.js on lines 90..98

        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 83.

        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 4 locations. Consider refactoring.
        Open

              bdd.it('should return false for scrollable elements with except.scrollable', function() {
        var element = document.getElementById('scroll-container');
        var result = isFocusable.rules({
          context: element,
          except: {
        Severity: Major
        Found in test/unit/is.focusable.test.js and 3 other locations - About 2 hrs to fix
        test/unit/is.focusable.test.js on lines 225..235
        test/unit/is.focusable.test.js on lines 324..334
        test/unit/is.tabbable.test.js on lines 315..325

        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 83.

        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 5 locations. Consider refactoring.
        Open

            bdd.it('should handle invalid input', function() {
      expect(function() {
        isVisible(null);
      }).to.throw(TypeError, 'is/visible requires valid options.context');
        Severity: Major
        Found in test/unit/is.visible.test.js and 4 other locations - About 2 hrs to fix
        test/unit/is.focus-relevant.test.js on lines 25..33
        test/unit/is.focusable.test.js on lines 25..33
        test/unit/is.only-tabbable.test.js on lines 31..39
        test/unit/is.tabbable.test.js on lines 33..41

        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 83.

        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 4 locations. Consider refactoring.
        Open

              bdd.it('should return false for flexbox container with except.flexbox', function() {
        var element = document.getElementById('flexbox-parent');
        var result = isFocusable.rules({
          context: element,
          except: {
        Severity: Major
        Found in test/unit/is.focusable.test.js and 3 other locations - About 2 hrs to fix
        test/unit/is.focusable.test.js on lines 225..235
        test/unit/is.focusable.test.js on lines 290..300
        test/unit/is.tabbable.test.js on lines 315..325

        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 83.

        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 5 locations. Consider refactoring.
        Open

            bdd.it('should handle invalid input', function() {
      expect(function() {
        isFocusRelevant(null);
      }).to.throw(TypeError, 'is/focus-relevant requires valid options.context');
        Severity: Major
        Found in test/unit/is.focus-relevant.test.js and 4 other locations - About 2 hrs to fix
        test/unit/is.focusable.test.js on lines 25..33
        test/unit/is.only-tabbable.test.js on lines 31..39
        test/unit/is.tabbable.test.js on lines 33..41
        test/unit/is.visible.test.js on lines 90..98

        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 83.

        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

                setTimeout(deferred.callback(function() {
          type = handle.get();
          expect(type.pointer).to.equal(false, 'pointer delayed');
          expect(type.key).to.equal(false, 'key delayed');
        }), 20);
        Severity: Major
        Found in test/unit/observe.interaction-type.test.js and 1 other location - About 2 hrs to fix
        test/unit/observe.interaction-type.test.js on lines 115..119

        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 83.

        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

        Severity
        Category
        Status
        Source
        Language