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35 lines
751 B
JavaScript
35 lines
751 B
JavaScript
export function findItemAndDelete(array, predicate) {
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return deleteAtIndex(array, array.findIndex(predicate));
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}
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export function addItem(array, item) {
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const index = array.indexOf(item);
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if (index > -1) return false;
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array.push(item);
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return true;
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}
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export function deleteItem(array, item) {
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return deleteAtIndex(array, array.indexOf(item));
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}
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export function deleteItems(array, ...items) {
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for (let item of items) {
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deleteItem(array, item);
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}
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}
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export function findById(array, id) {
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return array.find((item) => item.id === id);
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}
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export function hasItem(array, item) {
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return array.indexOf(item) > -1;
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}
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function deleteAtIndex(array, index) {
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if (index === -1) return false;
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array.splice(index, 1);
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return true;
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}
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