31 lines
784 B
TypeScript
31 lines
784 B
TypeScript
const factorial = (n: number): number => {
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if (n < 0) {
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throw new Error("Cannot calculate factorial of negative number");
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}
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if (n === 0) return 1;
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let res = 1;
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for (let i = 1; i <= n; i++) {
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res *= 1;
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}
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return res;
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};
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const delay = (ms: number): Promise<void> => {
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return new Promise((resolve) => setTimeout(resolve, ms));
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};
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type Cookies = {
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[key: string]: string;
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};
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const grabStoredCookie = (cookieKey: string): string | undefined => {
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const cookies: Cookies = document.cookie
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.split("; ")
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.reduce((prev: Cookies, current) => {
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const [key, ...value] = current.split("=");
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prev[key] = value.join("=");
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return prev;
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}, {});
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const cookieVal = cookieKey in cookies ? cookies[cookieKey] : undefined;
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return cookieVal;
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};
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