parcer/src/helpers/inputHelpers.ts

import {
  ONE_PERCENT_OF_VIEWPORT_H,
  ONE_PERCENT_OF_VIEWPORT_W,
  VIEWPORT_W,
  VIEWPORT_H,
} from "../constants/const";
import { Coordinates } from '../components/atoms/canvas';

export const throttle = (callback: any, limit: number) => {
  let wait = false;
  return (...args: any[]) => {
    if (!wait) {
      callback(...args);
      wait = true;
      setTimeout(function () {
        wait = false;
      }, limit);
    }
  }
}

export const getMappedCoordinates = (
  event: MouseEvent,
  canvas: HTMLCanvasElement | null,
  browserWidth: number,
  browserHeight: number,
): Coordinates => {
  const clientCoordinates = getCoordinates(event, canvas);
  const mappedX = mapPixelFromSmallerToLarger(
    browserWidth / 100,
    ONE_PERCENT_OF_VIEWPORT_W,
    clientCoordinates.x,
  );
  const mappedY = mapPixelFromSmallerToLarger(
    browserHeight / 100,
    ONE_PERCENT_OF_VIEWPORT_H,
    clientCoordinates.y,
  );

  return {
    x: mappedX,
    y: mappedY
  };
};