@writetome51/index-is-valid
v2.0.2
Published
Function returns true or false based on whether or not a certain index can exist in a certain array length
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writetome51Readme
indexIsValid(index, arrayLength): boolean
Returns true or false based on whether or not index can exist in arrayLength.index can be negative or positive.
Examples
indexIsValid(0, 0); // --> false
indexIsValid(1, 1); // --> false
indexIsValid(-1, 1); // --> true
indexIsValid(1, 2); // --> true
indexIsValid(-2, 2); // --> true
indexIsValid(-3, 2); // --> falseInstallation
npm i @writetome51/index-is-valid
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import { indexIsValid } from '@writetome51/index-is-valid';