feat: 氧化铝数字孪生系统监控大屏完成

node_modules/react-popper/lib/cjs/utils.js.flow

@@ -0,0 +1,59 @@
+// @flow strict
+import * as React from 'react';
+import { type Ref } from './RefTypes';
+
+/**
+ * Takes an argument and if it's an array, returns the first item in the array,
+ * otherwise returns the argument. Used for Preact compatibility.
+ */
+export const unwrapArray = (arg: *): * => (Array.isArray(arg) ? arg[0] : arg);
+
+/**
+ * Takes a maybe-undefined function and arbitrary args and invokes the function
+ * only if it is defined.
+ */
+export const safeInvoke = <F: Function>(
+  fn: ?F,
+  ...args: Array<mixed>
+): $Call<F> => {
+  if (typeof fn === 'function') {
+    return fn(...args);
+  }
+};
+
+/**
+ * Sets a ref using either a ref callback or a ref object
+ */
+export const setRef = (ref: ?Ref, node: ?HTMLElement): void => {
+  // if its a function call it
+  if (typeof ref === 'function') {
+    return safeInvoke(ref, node);
+  }
+  // otherwise we should treat it as a ref object
+  else if (ref != null) {
+    ref.current = node;
+  }
+};
+
+/**
+ * Simple ponyfill for Object.fromEntries
+ */
+export const fromEntries = (
+  entries: Array<[string, any]>
+): { [key: string]: any } =>
+  entries.reduce((acc, [key, value]) => {
+    acc[key] = value;
+    return acc;
+  }, {});
+
+/**
+ * Small wrapper around `useLayoutEffect` to get rid of the warning on SSR envs
+ */
+export const useIsomorphicLayoutEffect:
+  | typeof React.useEffect
+  | typeof React.useLayoutEffect =
+  typeof window !== 'undefined' &&
+  window.document &&
+  window.document.createElement
+    ? React.useLayoutEffect
+    : React.useEffect;