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Method change has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
Open

  def change
    add_index ActsAsTaggableOn.taggings_table, :tag_id unless index_exists? ActsAsTaggableOn.taggings_table, :tag_id
    add_index ActsAsTaggableOn.taggings_table, :taggable_id unless index_exists? ActsAsTaggableOn.taggings_table, :taggable_id
    add_index ActsAsTaggableOn.taggings_table, :taggable_type unless index_exists? ActsAsTaggableOn.taggings_table, :taggable_type
    add_index ActsAsTaggableOn.taggings_table, :tagger_id unless index_exists? ActsAsTaggableOn.taggings_table, :tagger_id
Severity: Minor
Found in rails/db/migrate/20210513145859_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb - 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

Method to_sc has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
Open

    def to_sc
      str = ''
      if @scheme
        str << @scheme
        str << ':'
Severity: Minor
Found in rails/config/initializers/00_core_extensions.rb - 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

Function StudentsTable has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
Open

export const StudentsTable = ({ classId, currentSelectedProject }: IProps) => {
  const { data: studentsData, isLoading: studentsLoading, refetch: refetchStudentsData } =
    useFetch<IStudent[]>(Portal.API_V1.permissionFormsClassPermissionForms(classId), []);
  const { data: permissionForms, isLoading: permissionFormsLoading } = useFetch<IPermissionForm[]>(Portal.API_V1.PERMISSION_FORMS, []);
  const [isStudentSelected, setIsStudentSelected] = useState<Record<number, boolean>>({});
Severity: Minor
Found in rails/react-components/src/library/components/permission-forms/students-tab/students-table.tsx - 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

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

Element.addMethods({
  enableDrag: function(element) {
    return $(element).writeAttribute('draggable');
  },
Severity: Major
Found in rails/app/assets/javascripts/prototype-ui/prototype-ui.js and 3 other locations - About 2 hrs to fix
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1534..1546
rails/public/javascripts/light_box.js on lines 1534..1546
rails/public/javascripts/light_box.js on lines 1927..1939

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 93.

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 max(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index, this);
Severity: Major
Found in rails/app/assets/javascripts/prototype.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/prototype.js on lines 984..993

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 93.

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 min(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index, this);
Severity: Major
Found in rails/app/assets/javascripts/prototype.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/prototype.js on lines 973..982

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 93.

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

Element.addMethods({
  enableDrag: function(element) {
    return $(element).writeAttribute('draggable');
  },
Severity: Major
Found in rails/public/javascripts/light_box.js and 3 other locations - About 2 hrs to fix
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1534..1546
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1927..1939
rails/public/javascripts/light_box.js on lines 1927..1939

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 93.

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

Element.addMethods({
  enableDrag: function(element) {
    return $(element).writeAttribute('draggable');
  },
Severity: Major
Found in rails/public/javascripts/light_box.js and 3 other locations - About 2 hrs to fix
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1534..1546
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1927..1939
rails/public/javascripts/light_box.js on lines 1534..1546

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 93.

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

Element.addMethods({
  enableDrag: function(element) {
    return $(element).writeAttribute('draggable');
  },
Severity: Major
Found in rails/app/assets/javascripts/prototype-ui/prototype-ui.js and 3 other locations - About 2 hrs to fix
rails/app/assets/javascripts/prototype-ui/prototype-ui.js on lines 1927..1939
rails/public/javascripts/light_box.js on lines 1534..1546
rails/public/javascripts/light_box.js on lines 1927..1939

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 93.

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

        { Portal.currentUser.isAdmin && adminOnlyExternalReports.length > 0 && (
          <>
            <div style={{ marginTop: "12px" }}>
              <strong>For Developers Only:</strong>
            </div>
Severity: Major
Found in rails/react-components/src/library/components/user-report-form/index.tsx and 1 other location - About 2 hrs to fix
rails/react-components/src/library/components/learner-report-form/index.tsx on lines 392..401

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 93.

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

        { Portal.currentUser.isAdmin && adminOnlyExternalReports.length > 0 && (
          <>
            <div style={{ marginTop: "12px" }}>
              <strong>For Developers Only:</strong>
            </div>
Severity: Major
Found in rails/react-components/src/library/components/learner-report-form/index.tsx and 1 other location - About 2 hrs to fix
rails/react-components/src/library/components/user-report-form/index.tsx on lines 259..268

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 93.

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

  @Authorized()
  @Mutation(() => User)
  async deleteUser(@Arg("id") id: string) {
    const user = await User.findOne({ where: { id } });
    if (!user) throw new Error("User not found!");
Severity: Major
Found in admin-panel/graphql-backend/src/resolvers/UserResolver.ts and 1 other location - About 2 hrs to fix
admin-panel/graphql-backend/src/resolvers/PortalStudentResolver.ts on lines 65..75

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 93.

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

  @Authorized()
  @Mutation(() => PortalStudent)
  async deletePortalStudent(@Arg("id") id: string) {
    const portalStudent = await PortalStudent.findOne({
      where: { id }
Severity: Major
Found in admin-panel/graphql-backend/src/resolvers/PortalStudentResolver.ts and 1 other location - About 2 hrs to fix
admin-panel/graphql-backend/src/resolvers/UserResolver.ts on lines 82..89

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 93.

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

  Element.addMethods({
    getLayout:              getLayout,
    measure:                measure,
    getWidth:               getWidth,
    getHeight:              getHeight,
Severity: Major
Found in rails/app/assets/javascripts/prototype.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/prototype.js on lines 2707..2728

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 92.

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

    endResize: function(event) {
        if(this._timeout) { 
          clearTimeout(this._timeout); 
          this._timeout = null; 
        }
Severity: Major
Found in rails/app/assets/javascripts/livepipe/resizable.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/dragdrop.js on lines 181..190

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 92.

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

  endDrag: function(event) {
    if(this._timeout) {
      clearTimeout(this._timeout);
      this._timeout = null;
    }
Severity: Major
Found in rails/app/assets/javascripts/dragdrop.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/livepipe/resizable.js on lines 58..67

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 92.

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

  Object.extend(methods, {
    recursivelyCollect:   recursivelyCollect,
    ancestors:            ancestors,
    descendants:          descendants,
    firstDescendant:      firstDescendant,
Severity: Major
Found in rails/app/assets/javascripts/prototype.js and 1 other location - About 2 hrs to fix
rails/app/assets/javascripts/prototype.js on lines 4381..4400

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 92.

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

  render404 () {
    return (
      <div className="portal-pages-resource-lightbox-modal-content">
        <div className="portal-pages-resource-lightbox-not-found">
          Sorry, the requested resource was not found.
Severity: Major
Found in rails/react-components/src/library/components/browse-page/browse-page.tsx and 1 other location - About 2 hrs to fix
rails/react-components/src/library/components/resource-lightbox.tsx on lines 332..343

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 92.

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

  render404 () {
    return (
      <div className="portal-pages-resource-lightbox-modal-content">
        <div className="portal-pages-resource-lightbox-not-found">
          Sorry, the requested resource was not found.
Severity: Major
Found in rails/react-components/src/library/components/resource-lightbox.tsx and 1 other location - About 2 hrs to fix
rails/react-components/src/library/components/browse-page/browse-page.tsx on lines 184..195

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 92.

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 add has 71 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    add: function( elem, types, handler, data, selector ) {

        var elemData, eventHandle, events,
            t, tns, type, namespaces, handleObj,
            handleObjIn, handlers, special;
Severity: Major
Found in rails/app/assets/javascripts/jquery/jquery.js - About 2 hrs to fix
    Severity
    Category
    Status
    Source
    Language