Which functions/methods do you...

const delay = (ms) => new Promise((r) => setTimeout(r, ms));
await delay(1000);

const isSameOrigin = (url: string) =>
    new URL(url, window.location.href).origin === window.location.origin

const isTouchDevice = window.matchMedia('(pointer: coarse)').matches
const isMobile = navigator.userAgent.includes('Mobi')

const capitalize = (str: string) => str.charAt(0).toUpperCase() + str.slice(1)

const decodeBase64 = (base64: string) =>
    new TextDecoder().decode(new Uint8Array(atob(base64).split('').map((char) => char.charCodeAt(0))))

const encodeBase64 = (str: string) =>
    btoa(Array.from(new TextEncoder().encode(str))
        .map((n) => String.fromCharCode(n))
        .join(''))

const xor = (...args: any[]) =>
    args.filter(Boolean).length === 1

export type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;

export type MaybeNull<T> = T | null;
export type MaybeUndefined<T> = T | undefined;
export type MaybeNil<T> = T | null | undefined;

export type AsyncFn = (...args: any[]) => Promise<any>;
export type AnyFn = (...args: any[]) => any;
export type UnboxPromise<T extends Promise<any>> = T extends Promise<infer U> ? U : never;

export type Nullable<T> = {
  [P in keyof T]: MaybeNull<T[P]>;
};
export type NullableBy<T, K extends keyof T> = Omit<T, K> & Nullable<Pick<T, K>>;

export type DistributedArray<U> = U extends any ? U[] : never;

/**
 * type ID = string | number;
 * type T0 = ID[];
 * type T1 = DistributedArray<ID>;
 * type EQ1 = IfEquals<T0, T1, 'same', 'different'>;  // different
 */
export type IfEquals<T, U, Y = unknown, N = never> = (<G>() => G extends T ? 1 : 2) extends <G>() => G extends U ? 1 : 2 ? Y : N;

export type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;

export type ValueOf<T> = T[keyof T];

autocmd FileType php nnoremap <buffer> <leader>dump Oheader('X-XSS-Protection:0');ob_get_clean(); echo '<pre>'; var_dump([]); echo '</pre>'; die(__FILE__ . ':' . __LINE__);<esc>F[a
autocmd FileType php nnoremap <buffer> <leader>args Oheader('X-XSS-Protection:0');ob_get_clean(); echo '<pre>'; var_dump(func_get_args()); echo '</pre>'; die(__FILE__ . ':' . __LINE__);<esc>F[a
autocmd FileType php nnoremap <buffer> <leader>back Oheader('X-XSS-Protection:0');ob_get_clean(); echo '<pre>'; foreach (debug_backtrace() as $d) { echo $d['file'] . ':' . $d['line'] . ' ' . $d['function'] . "()\n"; } echo '</pre>'; d  ie(__FILE__ . ':' . __LINE__);<esc>^

/**
 * Takes full name and converts into initials
 * @param {string} string full name of user e.g John Doe
 * @returns initials e.g JD
 */
const getInitials = (string = '') =>
  string
    .split(' ')
    .map(([firstLetter]) => firstLetter)
    .filter((_, index, array) => index === 0 || index === array.length - 1)
    .join('')
    .toUpperCase()