---初始化后台管理web页面项目

src/hooks/event/useBreakpoint.ts

@@ -0,0 +1,89 @@
+import { ref, computed, ComputedRef, unref } from 'vue';
+import { useEventListener } from '/@/hooks/event/useEventListener';
+import { screenMap, sizeEnum, screenEnum } from '/@/enums/breakpointEnum';
+
+let globalScreenRef: ComputedRef<sizeEnum | undefined>;
+let globalWidthRef: ComputedRef<number>;
+let globalRealWidthRef: ComputedRef<number>;
+
+export interface CreateCallbackParams {
+  screen: ComputedRef<sizeEnum | undefined>;
+  width: ComputedRef<number>;
+  realWidth: ComputedRef<number>;
+  screenEnum: typeof screenEnum;
+  screenMap: Map<sizeEnum, number>;
+  sizeEnum: typeof sizeEnum;
+}
+
+export function useBreakpoint() {
+  return {
+    screenRef: computed(() => unref(globalScreenRef)),
+    widthRef: globalWidthRef,
+    screenEnum,
+    realWidthRef: globalRealWidthRef,
+  };
+}
+
+// Just call it once
+export function createBreakpointListen(fn?: (opt: CreateCallbackParams) => void) {
+  const screenRef = ref<sizeEnum>(sizeEnum.XL);
+  const realWidthRef = ref(window.innerWidth);
+
+  function getWindowWidth() {
+    const width = document.body.clientWidth;
+    const xs = screenMap.get(sizeEnum.XS)!;
+    const sm = screenMap.get(sizeEnum.SM)!;
+    const md = screenMap.get(sizeEnum.MD)!;
+    const lg = screenMap.get(sizeEnum.LG)!;
+    const xl = screenMap.get(sizeEnum.XL)!;
+    if (width < xs) {
+      screenRef.value = sizeEnum.XS;
+    } else if (width < sm) {
+      screenRef.value = sizeEnum.SM;
+    } else if (width < md) {
+      screenRef.value = sizeEnum.MD;
+    } else if (width < lg) {
+      screenRef.value = sizeEnum.LG;
+    } else if (width < xl) {
+      screenRef.value = sizeEnum.XL;
+    } else {
+      screenRef.value = sizeEnum.XXL;
+    }
+    realWidthRef.value = width;
+  }
+
+  useEventListener({
+    el: window,
+    name: 'resize',
+
+    listener: () => {
+      getWindowWidth();
+      resizeFn();
+    },
+    // wait: 100,
+  });
+
+  getWindowWidth();
+  globalScreenRef = computed(() => unref(screenRef));
+  globalWidthRef = computed((): number => screenMap.get(unref(screenRef)!)!);
+  globalRealWidthRef = computed((): number => unref(realWidthRef));
+
+  function resizeFn() {
+    fn?.({
+      screen: globalScreenRef,
+      width: globalWidthRef,
+      realWidth: globalRealWidthRef,
+      screenEnum,
+      screenMap,
+      sizeEnum,
+    });
+  }
+
+  resizeFn();
+  return {
+    screenRef: globalScreenRef,
+    screenEnum,
+    widthRef: globalWidthRef,
+    realWidthRef: globalRealWidthRef,
+  };
+}