@nutui/nutui-react-taro/dist/esm/get-rect-by-taro-D0h6aiDr.js

京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序

import { a as __awaiter } from "./tslib.es6-iWu3F_1J.js";
import { createSelectorQuery } from "@tarojs/taro";
class MiniLru {
  constructor(capacity) {
    if (capacity <= 0) {
      throw new Error("Cache capacity must be a positive number");
    }
    this.cache = /* @__PURE__ */ new Map();
    this.capacity = capacity;
  }
  get(key) {
    if (this.cache.has(key)) {
      const value = this.cache.get(key);
      this.cache.delete(key);
      this.cache.set(key, value);
      return value;
    }
    return null;
  }
  set(key, value) {
    if (this.cache.has(key)) {
      this.cache.delete(key);
    } else if (this.cache.size >= this.capacity) {
      this.cache.delete(this.cache.keys().next().value);
    }
    this.cache.set(key, value);
  }
  has(key) {
    return this.cache.has(key);
  }
}
const inBrowser = typeof document !== "undefined" && !!document.scripts;
function isWindow(val) {
  return val === window;
}
const getRect = (elementRef) => {
  const element = elementRef;
  if (isWindow(element)) {
    const width = element.innerWidth;
    const height = element.innerHeight;
    return {
      top: 0,
      left: 0,
      right: width,
      bottom: height,
      width,
      height
    };
  }
  if (element && element.getBoundingClientRect) {
    return element.getBoundingClientRect();
  }
  return {
    top: 0,
    left: 0,
    right: 0,
    bottom: 0,
    width: 0,
    height: 0
  };
};
const lru = new MiniLru(10);
function makeRect(width, height) {
  return {
    top: 0,
    left: 0,
    right: width,
    bottom: height,
    width,
    height
  };
}
const getRectByTaro = (element) => __awaiter(void 0, void 0, void 0, function* () {
  if (element) {
    if (inBrowser) {
      return Promise.resolve(getRect(element));
    }
    return new Promise((resolve, reject) => {
      if (lru.has(element)) {
        resolve(lru.get(element));
        return;
      }
      createSelectorQuery().select(`#${element.uid}`).boundingClientRect().exec(([rects]) => {
        if (rects) {
          lru.set(element, rects);
        }
        resolve(rects);
      });
    });
  }
  return Promise.resolve(makeRect(0, 0));
});
export {
  getRect as a,
  getRectByTaro as g
};