@mskcc/carbon-react/es/internal/OptimizedResize.js

Carbon react components for the MSKCC DSM

/**
 * MSKCC 2021, 2024
 */

import window from 'window-or-global';

// mdn resize function
const OptimizedResize = function optimizedResize() {
  const callbacks = [];
  let running = false;

  // run the actual callbacks
  function runCallbacks() {
    callbacks.forEach(callback => {
      callback();
    });
    running = false;
  }

  // fired on resize event
  function resize() {
    if (!running) {
      running = true;
      window.requestAnimationFrame(runCallbacks);
    }
  }

  // adds callback to loop
  function addCallback(callback) {
    if (callback) {
      const index = callbacks.indexOf(callback);
      if (index < 0) {
        callbacks.push(callback);
      }
    }
  }
  return {
    // public method to add additional callback
    add: callback => {
      if (!callbacks.length) {
        window.addEventListener('resize', resize);
      }
      addCallback(callback);
      return {
        release() {
          const index = callbacks.indexOf(callback);
          if (index >= 0) {
            callbacks.splice(index, 1);
          }
        }
      };
    }
  };
}();
var OptimizedResize$1 = OptimizedResize;

export { OptimizedResize$1 as default };