22 lines
616 B
TypeScript
22 lines
616 B
TypeScript
export function areEqual<T>(arr1: readonly T[], arr2: readonly T[]) {
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return arr1.length === arr2.length && arr1.every((value, index) => value === arr2[index]);
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}
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export function difference<T>(arr1: readonly T[], arr2: readonly T[]) {
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if (arr1.length !== arr2.length) return null;
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const changes = [];
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// eslint-disable-next-line unicorn/no-for-loop
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for (let i = 0; i < arr1.length; i += 1) {
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if (arr1[i] !== arr2[i]) {
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changes.push(i);
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}
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}
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return changes;
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}
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export function isSorted(arr: number[]) {
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return arr.every((value, index, array) => !index || array[index - 1] <= value);
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}
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