@gizwits/vantui/es/common/utils.js

机智云组件库

import Taro, { getSystemInfoSync as TaroGetSystemInfoSync, createSelectorQuery } from '@tarojs/taro';
import * as raf from 'raf';
import { isDef, isPlainObject, isPromise } from './validator';
import { canIUseNextTick } from './version';
export { isDef } from './validator';
export function range(num, min, max) {
  return Math.min(Math.max(num, min), max);
}
export function nextTick(cb) {
  if (canIUseNextTick()) {
    Taro.nextTick(cb);
  } else {
    setTimeout(function () {
      cb();
    }, 33.333333333333336);
  }
}
var systemInfo;
export function getSystemInfoSync() {
  if (systemInfo == null) {
    systemInfo = TaroGetSystemInfoSync();
  }
  return systemInfo;
}
var menuInfo;
export function getMenuButtonBoundingClientRect() {
  if (menuInfo == null) {
    menuInfo = Taro.getMenuButtonBoundingClientRect();
  }
  return menuInfo;
}
export function addUnit(value) {
  if (!isDef(value)) {
    return undefined;
  }
  return /^-?\d+(\.\d+)?$/.test('' + value) ? Taro.pxTransform(value) : value;
}
export function requestAnimationFrame(cb) {
  if (window.requestAnimationFrame) {
    return window.requestAnimationFrame(cb);
  }
  return raf.default(cb);
}
export function pickExclude(obj, keys) {
  if (!isPlainObject(obj)) {
    return {};
  }
  return Object.keys(obj).reduce(function (prev, key) {
    if (!keys.includes(key)) {
      prev[key] = obj[key];
    }
    return prev;
  }, {});
}
export function getRect(context, selector) {
  return new Promise(function (resolve) {
    var query = createSelectorQuery();
    if (context) {
      query = query.in(context);
    }
    query.select(selector).boundingClientRect().exec(function () {
      var rect = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
      return resolve(rect[0]);
    });
  });
}
export function getAllRect(context, selector) {
  return new Promise(function (resolve) {
    var query = createSelectorQuery();
    if (context) {
      query = query.in(context);
    }
    query.selectAll(selector).boundingClientRect().exec(function () {
      var rect = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
      return resolve(rect[0]);
    });
  });
}
export function toPromise(promiseLike) {
  if (isPromise(promiseLike)) {
    return promiseLike;
  }
  return Promise.resolve(promiseLike);
}
export function getCurrentPage() {
  var pages = Taro.getCurrentPages();
  return pages[pages.length - 1];
}