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

function setSelection(fromNode, startOffset, toNode, endOffset) {
    var doc = fromNode.ownerDocument;
    if (! doc) return logger('setCaretPosition: element has no document');
    var backward = _getDirection(fromNode, startOffset, toNode, endOffset) == -1;
    var range = doc.createRange();
Severity: Minor
Found in lib/util/dom.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

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

function _getContainingComponent(el, returnCurrent, conditionFunc) {
    // Where the current element is a component it should be returned
    // if returnCurrent is true or undefined
    if (returnCurrent !== false) {
        var comp = getComponent(el);
Severity: Minor
Found in lib/components/c_utils.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

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

function filterSourceMessage(sourceMessage, message, data) { // data is DOM event object
    var ok = true;

    if (sourceMessage == 'dragenter' && message == 'dragin') {
        this._currentTarget = data.target;
Severity: Minor
Found in lib/components/msg_api/drop.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

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

function _attachCssClasses(el, methodName, cssClasses, enforce) {
    var classList = el.classList
        , doToggle = methodName == 'toggle';

    if (Array.isArray(cssClasses))
Severity: Minor
Found in lib/components/c_facets/Dom.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

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

function _response_ready(response) {
    var self = this;
    var handler, eventType;
    if (!setHandler('loadend'))
        if (!setHandler('readystatechange'))
Severity: Minor
Found in mocks/xmlhttprequest.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

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

function WSMessageSource$trigger (msg, data, callback) {
    if (!this._ws) return logger.error('websocket is not created');

    data = data || {};
    data.type = msg;
Severity: Minor
Found in lib/util/websocket/msg_src.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

            scope.myItem.data.set({ title: 'Title 2', desc: 'Description 2', info: { name: 'Evgeny', surname: 'Poberezkin' } });
Severity: Minor
Found in test_browser/components/c_facets/Data_test.js and 1 other location - About 35 mins to fix
test_browser/components/c_facets/Data_test.js on lines 88..88

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 46.

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

        scope.myItem.data.set({ title: 'Title 1', desc: 'Description 1', info: { name: 'Jason', surname: 'Green' } });
Severity: Minor
Found in test_browser/components/c_facets/Data_test.js and 1 other location - About 35 mins to fix
test_browser/components/c_facets/Data_test.js on lines 115..115

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 46.

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

    if (config.staticMethods) {
        if (config.staticMethods.super !== undefined) throw '\'super\' is a reserved keyword';
        _.extend(ComponentClass, config.staticMethods);
    }
Severity: Minor
Found in lib/util/create_component_class.js and 1 other location - About 35 mins to fix
lib/util/create_facet_class.js on lines 29..32

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 46.

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

    if (config.staticMethods) {
        if (config.staticMethods.super !== undefined) throw '\'super\' is a reserved keyword';
        _.extend(FacetClass, config.staticMethods);
    }
Severity: Minor
Found in lib/util/create_facet_class.js and 1 other location - About 35 mins to fix
lib/util/create_component_class.js on lines 35..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 46.

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

function Data$_len() {
    if (this.owner.list) return this.owner.list.count();
    else logger.error('Data: len called without list facet');
}
Severity: Minor
Found in lib/components/c_facets/Data.js and 1 other location - About 35 mins to fix
lib/components/c_facets/Template.js on lines 102..107

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 46.

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

function Template$binder() {
    if (this.owner.container)
        return this.owner.container.binder();
    else
        logger.error('TemplateFacet: Binder called without container facet.');
Severity: Minor
Found in lib/components/c_facets/Template.js and 1 other location - About 35 mins to fix
lib/components/c_facets/Data.js on lines 587..590

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 46.

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

    function onDrop(eventType, event) {
        var dt = new DragDrop(event);
        assert.deepEqual(dt.getComponentMeta(), COMP_META);
        dropCount++;
    }
Severity: Major
Found in test_browser/components/c_facets/Drop_test.js and 3 other locations - About 30 mins to fix
test_browser/components/c_facets/Drop_test.js on lines 52..56
test_browser/components/c_facets/Drop_test.js on lines 58..62
test_browser/components/c_facets/Drop_test.js on lines 64..68

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 45.

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

    function onDragOver(eventType, event) {
        var dt = new DragDrop(event);
        assert.deepEqual(dt.getComponentMeta(), COMP_META);
        overCount++;
    }
Severity: Major
Found in test_browser/components/c_facets/Drop_test.js and 3 other locations - About 30 mins to fix
test_browser/components/c_facets/Drop_test.js on lines 52..56
test_browser/components/c_facets/Drop_test.js on lines 64..68
test_browser/components/c_facets/Drop_test.js on lines 70..74

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 45.

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

var miloCore = require('milo-core')
    , _ = miloCore.proto
    , check = miloCore.util.check
    , Match = check.Match
    , modelUtils = miloCore.Model._utils
Severity: Minor
Found in lib/components/c_facets/Css.js and 1 other location - About 30 mins to fix
lib/command/index.js on lines 4..8

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 45.

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

Avoid too many return statements within this function.
Open

            return 0;
Severity: Major
Found in lib/util/dom.js - About 30 mins to fix

    Avoid too many return statements within this function.
    Open

        if (! data) return;
    Severity: Major
    Found in lib/util/storage/msg_src.js - About 30 mins to fix

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

      var Facet = require('./facet')
    , miloCore = require('milo-core')
    , _ = miloCore.proto
    , logger = miloCore.util.logger
    , check = miloCore.util.check
      Severity: Minor
      Found in lib/abstract/faceted_object.js and 1 other location - About 30 mins to fix
      lib/components/c_facets/Template.js on lines 15..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 45.

      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

      Avoid too many return statements within this function.
      Open

                  return true;
      Severity: Major
      Found in lib/util/dom.js - About 30 mins to fix

        Similar blocks of code found in 4 locations. Consider refactoring.
        Open

            function onDragEnter(eventType, event) {
        var dt = new DragDrop(event);
        assert.deepEqual(dt.getComponentMeta(), COMP_META);
        enterCount++;
    }
        Severity: Major
        Found in test_browser/components/c_facets/Drop_test.js and 3 other locations - About 30 mins to fix
        test_browser/components/c_facets/Drop_test.js on lines 58..62
        test_browser/components/c_facets/Drop_test.js on lines 64..68
        test_browser/components/c_facets/Drop_test.js on lines 70..74

        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 45.

        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
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