vuetify/lib/composables/delay.mjs

Vue Material Component Framework

// Utilities
import { IN_BROWSER, propsFactory } from "../util/index.mjs"; // Types
// Composables
export const makeDelayProps = propsFactory({
  closeDelay: [Number, String],
  openDelay: [Number, String]
}, 'delay');
export function useDelay(props, cb) {
  const delays = {};
  const runDelayFactory = prop => () => {
    // istanbul ignore next
    if (!IN_BROWSER) return Promise.resolve(true);
    const active = prop === 'openDelay';
    delays.closeDelay && window.clearTimeout(delays.closeDelay);
    delete delays.closeDelay;
    delays.openDelay && window.clearTimeout(delays.openDelay);
    delete delays.openDelay;
    return new Promise(resolve => {
      const delay = parseInt(props[prop] ?? 0, 10);
      delays[prop] = window.setTimeout(() => {
        cb?.(active);
        resolve(active);
      }, delay);
    });
  };
  return {
    runCloseDelay: runDelayFactory('closeDelay'),
    runOpenDelay: runDelayFactory('openDelay')
  };
}
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