@modern-kit/utils/dist/common/throttle/index.cjs

modern-kit/utils

'use strict';

var commonDebounce = require('../debounce/index.cjs');

function throttle(func, wait, options = {}) {
  const { signal, leading = true, trailing = true } = options;
  const debounced = commonDebounce.debounce(func, wait, { signal, leading, trailing });
  let pendingAt = null;
  const throttled = function(...args) {
    const now = Date.now();
    if (pendingAt == null) {
      pendingAt = now;
    } else {
      if (now - pendingAt >= wait) {
        pendingAt = now;
        debounced.cancel();
      }
    }
    debounced(...args);
  };
  throttled.cancel = debounced.cancel;
  throttled.flush = debounced.flush;
  return throttled;
}

exports.throttle = throttle;
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