Showing 4 of 4 total issues
Function indexOfPolyfill
has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring. Open
export default function indexOfPolyfill() : void {
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function indexOf(element) { // eslint-disable-line
const length = this.length >>> 0;
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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 shortcut
has 30 lines of code (exceeds 25 allowed). Consider refactoring. Open
export default function shortcut(shortcutStr:string, domNode:HTMLElement) : Object {
// Should we envify these?
if (!domNode || domNode.ELEMENT_NODE !== 1) {
return error(
`You must pass a function as a second argument to 'shortcut(string, domNode)'. Check the definition of 'shortcut("${shortcutStr}", ${domNode})`
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Function shortcut
has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring. Open
export default function shortcut(shortcutStr:string, domNode:HTMLElement) : Object {
// Should we envify these?
if (!domNode || domNode.ELEMENT_NODE !== 1) {
return error(
`You must pass a function as a second argument to 'shortcut(string, domNode)'. Check the definition of 'shortcut("${shortcutStr}", ${domNode})`
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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 callShortcutFunctions
has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring. Open
export function callShortcutFunctions(downKeyString: string, domNode: HTMLElement, e: KeyboardEvent) : void {
const shortcutInstance: Object = shortcut(downKeyString, domNode);
// shortcut is paused, so stop
if (shortcutInstance.isPaused) {
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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"