All files / algorithms/sort/src insertion.ts

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export const sortInsertion = <Element>(array: Element[]): Element[] => {
    for (let index = 1; index < array.length; index++) {
        const currentItem: Element = array[index];
        let currentLeftIndex: number = index - 1;
 
        while (currentLeftIndex >= 0 && array[currentLeftIndex] > currentItem) {
            array[currentLeftIndex + 1] = array[currentLeftIndex];
            currentLeftIndex -= 1;
        }
 
        array[currentLeftIndex + 1] = currentItem;
    }
 
    return array;
};