26 lines
659 B
JavaScript
26 lines
659 B
JavaScript
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/**
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* Adds an element to an array and returns the element's index.
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*
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* @param {Array} array The array to add to.
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* @param {object} element The element to add.
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* @param {boolean} [checkDuplicates=false] When <code>true</code>, if a duplicate element is found its index is returned and <code>element</code> is not added to the array.
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*
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* @private
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*/
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function addToArray(array, element, checkDuplicates) {
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checkDuplicates = checkDuplicates ?? false;
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if (checkDuplicates) {
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const index = array.indexOf(element);
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if (index > -1) {
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return index;
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}
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}
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array.push(element);
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return array.length - 1;
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}
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export default addToArray;
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