@slan-health/taro-vueuse/dist/utils/index.js

taro vue版本hooks

import { unref } from "vue";
const timeOutPromise = (time) => {
  return new Promise((resolve, reject) => {
    try {
      setTimeout(() => {
        resolve(time);
      }, time);
    } catch (error) {
      reject();
    }
  });
};
function createFilterWrapper(filter, fn) {
  function wrapper(...args) {
    filter(() => fn.apply(this, args), { fn, thisArg: this, args });
  }
  return wrapper;
}
function debounceFilter(ms, options = {}) {
  let timer;
  let maxTimer;
  const filter = (invoke) => {
    const duration = unref(ms);
    const maxDuration = unref(options.maxWait);
    if (timer)
      clearTimeout(timer);
    if (duration <= 0 || maxDuration !== void 0 && maxDuration <= 0) {
      if (maxTimer) {
        clearTimeout(maxTimer);
        maxTimer = null;
      }
      return invoke();
    }
    if (maxDuration && !maxTimer) {
      maxTimer = setTimeout(() => {
        if (timer)
          clearTimeout(timer);
        maxTimer = null;
        invoke();
      }, maxDuration);
    }
    timer = setTimeout(() => {
      if (maxTimer)
        clearTimeout(maxTimer);
      maxTimer = null;
      invoke();
    }, duration);
  };
  return filter;
}
function throttleFilter(ms, trailing = true, leading = true) {
  let lastExec = 0;
  let timer;
  let isLeading = true;
  const clear = () => {
    if (timer) {
      clearTimeout(timer);
      timer = void 0;
    }
  };
  const filter = (invoke) => {
    const duration = unref(ms);
    const elapsed = Date.now() - lastExec;
    clear();
    if (duration <= 0) {
      lastExec = Date.now();
      return invoke();
    }
    if (elapsed > duration && (leading || !isLeading)) {
      lastExec = Date.now();
      invoke();
    } else if (trailing) {
      timer = setTimeout(() => {
        lastExec = Date.now();
        isLeading = true;
        clear();
        invoke();
      }, duration);
    }
    if (!leading && !timer)
      timer = setTimeout(() => isLeading = true, duration);
    isLeading = false;
  };
  return filter;
}
export {
  createFilterWrapper,
  debounceFilter,
  throttleFilter,
  timeOutPromise
};
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