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export function hook(
_this: { [x: string]: any },
method: string | number,
callback: (arg0: any) => void,
) {
const orig = _this[method];
return (...args: any) => {
callback.apply(_this, args);
return orig.apply(_this, args);
};
}
export function sleep(ms: number | undefined) {
return new Promise(resolve => setTimeout(resolve, ms));
}
export function shuffleArray(a) {
const arr = a.slice();
for (let i = arr.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
const temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
return arr;
}
export function chunkArray(arr: any[], size: number) {
const chunks: any[] = [];
let index = 0;
while (index < arr.length) {
chunks.push(arr.slice(index, size + index));
index += size;
}
return chunks;
}
export function ensureArray(arr?: any) {
if (arr === undefined || arr === null) return [];
if (Array.isArray(arr)) return arr;
return [arr];
}
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