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package/component/es/useLevel/index.js

@@ -0,0 +1,21 @@
+import { inject, computed, isRef, provide, reactive } from "vue";
+const LevelInjectionKey = Symbol("menuLevelKey");
+function provideLevel(level) {
+  const computedLevel = computed(() => isRef(level) ? level.value : level);
+  provide(LevelInjectionKey, reactive({
+    level: computedLevel
+  }));
+}
+function useLevel(props) {
+  const { provideNextLevel } = props || {};
+  const levelContext = inject(LevelInjectionKey);
+  const level = computed(() => levelContext.level || 1);
+  if (provideNextLevel) {
+    const nextLevel = computed(() => level.value + 1);
+    provideLevel(nextLevel);
+  }
+  return {
+    level
+  };
+}
+export { provideLevel as p, useLevel as u };