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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 13x 1x 12x 1x 11x 11x 11x 11x 11x 12x 5x 6x 2x 2x 2x 10x 2x 2x 8x | function arraysEqual(oldArray: unknown[], newArray: unknown[]): boolean {
if (oldArray === newArray) {
return true;
}
if (
oldArray === null ||
newArray === null ||
oldArray.length !== newArray.length
) {
return false;
}
const _oldArray = [...oldArray];
const _newArray = [...newArray];
_oldArray.sort();
_newArray.sort();
for (let i = 0; i < _oldArray.length; i++) {
if (JSON.stringify(_oldArray[i]) !== JSON.stringify(_newArray[i])) {
return false;
}
}
return true;
}
function arrayChunk<T>(arr: T[], chunkSize: number): T[][] {
const chunks: T[][] = [];
const arrCopy = arr.slice(0);
for (let i = 0, ii = arrCopy.length; i < ii; i += chunkSize) {
chunks.push(arrCopy.splice(0, chunkSize));
}
return chunks;
}
function arraysMerge(arr1: unknown[], arr2: unknown[]): unknown[] {
const arr3 = [...arr1, ...arr2];
return arr3.filter((item, i) => arr3.indexOf(item) === i);
}
export { arraysEqual, arrayChunk, arraysMerge };
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