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

一套适用于Taro3及React的vantui组件库

import Taro, { getSystemInfoSync as TaroGetSystemInfoSync, getWindowInfo as TaroGetWindowInfo, 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() {
  systemInfo = TaroGetSystemInfoSync();
  return systemInfo;
}
var windowInfo;
export function getWindowInfo() {
  windowInfo = process.env.TARO_ENV === 'weapp' ? TaroGetWindowInfo() : getSystemInfoSync();
  return windowInfo;
}
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 cancelAnimationFrame(id) {
  if (window.cancelAnimationFrame) {
    return window.cancelAnimationFrame(id);
  }
  return raf.cancel(id);
}
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, parent) {
  // 微信端层级太深找不到元素信息 （https://taro-docs.jd.com/docs/optimized#1-%E5%85%A8%E5%B1%80%E9%85%8D%E7%BD%AE%E9%A1%B9-baselevel）
  var target = process.env.TARO_ENV === 'weapp' && parent ? "".concat(parent, " >>> ").concat(selector) : selector;
  return new Promise(function (resolve) {
    var query = createSelectorQuery();
    if (context) {
      query = query.in(context);
    }
    query.select(target).boundingClientRect().exec(function () {
      var rect = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
      return resolve(rect[0]);
    });
  });
}
export function getAllRect(context, selector, parent) {
  // 微信端层级太深找不到元素信息 （https://taro-docs.jd.com/docs/optimized#1-%E5%85%A8%E5%B1%80%E9%85%8D%E7%BD%AE%E9%A1%B9-baselevel）
  var target = process.env.TARO_ENV === 'weapp' && parent ? "".concat(parent, " >>> ").concat(selector) : selector;
  return new Promise(function (resolve) {
    var query = createSelectorQuery();
    if (context) {
      query = query.in(context);
    }
    query.selectAll(target).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];
}