Ramynn

# DigiExpress, Debounce (Core JS → React Hook) — #09
## Part A — Implement `debounce`

**Goal:** Write a **pure JavaScript** `debounce(fn, wait, options?)` that delays invoking `fn` until `wait` ms since the last call.

**Signature**

```js
/**
 * @param {Function} fn

Ramynn

DELIMITER $$

CREATE FUNCTION gregorian_to_jalali(gregorian_datetime DATETIME)
RETURNS VARCHAR(19)
DETERMINISTIC
BEGIN
    -- Variable declarations
    DECLARE adjusted_datetime DATETIME;

    -- Gregorian date components

Ramynn

DELIMITER $$

CREATE FUNCTION jalali_to_gregorian(jalali_datetime VARCHAR(19))
RETURNS VARCHAR(19)
DETERMINISTIC
BEGIN
    -- Jalali date and time components
    DECLARE jy INT;    -- Year
    DECLARE jm INT;    -- Month
    DECLARE jd INT;    -- Day

Ramynn

-- Drop the function if it already exists
DROP FUNCTION IF EXISTS jalali_to_gregorian(jalali_datetime VARCHAR, end_of_day BOOLEAN);

-- Create the jalali_to_gregorian function
CREATE OR REPLACE FUNCTION jalali_to_gregorian(jalali_datetime VARCHAR, end_of_day BOOLEAN)
RETURNS TIMESTAMP WITHOUT TIME ZONE AS
$$
DECLARE
    -- Jalali date and time components
    jy INT;

Ramynn

CREATE OR REPLACE FUNCTION gregorian_to_jalali(gregorian_datetime TIMESTAMPTZ)
RETURNS TEXT AS $$
DECLARE
    -- Adjusted datetime in Tehran time (without time zone)
    adjusted_datetime TIMESTAMP;

    -- Gregorian date components
    gy INTEGER;     -- Year
    gm INTEGER;     -- Month
    gd INTEGER;     -- Day

Ramynn

export type Implements<T, U extends T> = {}

type APIBasicDataResponse<Type> = {
    type: Type;
    id: string;
};

type APILinkObject = {
    href: string;
    meta: object;