智慧宿舍系统小程序

wechat/miniprogram/node_modules/@vant/weapp/dist/common/utils.js

@@ -0,0 +1,89 @@
+import { isDef, isNumber, isPlainObject, isPromise } from './validator';
+import { canIUseGroupSetData, canIUseNextTick } from './version';
+export function range(num, min, max) {
+  return Math.min(Math.max(num, min), max);
+}
+export function nextTick(cb) {
+  if (canIUseNextTick()) {
+    wx.nextTick(cb);
+  } else {
+    setTimeout(() => {
+      cb();
+    }, 1000 / 30);
+  }
+}
+let systemInfo;
+export function getSystemInfoSync() {
+  if (systemInfo == null) {
+    systemInfo = wx.getSystemInfoSync();
+  }
+  return systemInfo;
+}
+export function addUnit(value) {
+  if (!isDef(value)) {
+    return undefined;
+  }
+  value = String(value);
+  return isNumber(value) ? `${value}px` : value;
+}
+export function requestAnimationFrame(cb) {
+  const systemInfo = getSystemInfoSync();
+  if (systemInfo.platform === 'devtools') {
+    return setTimeout(() => {
+      cb();
+    }, 1000 / 30);
+  }
+  return wx
+    .createSelectorQuery()
+    .selectViewport()
+    .boundingClientRect()
+    .exec(() => {
+      cb();
+    });
+}
+export function pickExclude(obj, keys) {
+  if (!isPlainObject(obj)) {
+    return {};
+  }
+  return Object.keys(obj).reduce((prev, key) => {
+    if (!keys.includes(key)) {
+      prev[key] = obj[key];
+    }
+    return prev;
+  }, {});
+}
+export function getRect(context, selector) {
+  return new Promise((resolve) => {
+    wx.createSelectorQuery()
+      .in(context)
+      .select(selector)
+      .boundingClientRect()
+      .exec((rect = []) => resolve(rect[0]));
+  });
+}
+export function getAllRect(context, selector) {
+  return new Promise((resolve) => {
+    wx.createSelectorQuery()
+      .in(context)
+      .selectAll(selector)
+      .boundingClientRect()
+      .exec((rect = []) => resolve(rect[0]));
+  });
+}
+export function groupSetData(context, cb) {
+  if (canIUseGroupSetData()) {
+    context.groupSetData(cb);
+  } else {
+    cb();
+  }
+}
+export function toPromise(promiseLike) {
+  if (isPromise(promiseLike)) {
+    return promiseLike;
+  }
+  return Promise.resolve(promiseLike);
+}
+export function getCurrentPage() {
+  const pages = getCurrentPages();
+  return pages[pages.length - 1];
+}