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jeecgboot-vue3/src/hooks/core/useContext.ts

@@ -0,0 +1,38 @@
+import {
+  InjectionKey,
+  provide,
+  inject,
+  reactive,
+  readonly as defineReadonly,
+  // defineComponent,
+  UnwrapRef,
+} from 'vue';
+
+export interface CreateContextOptions {
+  readonly?: boolean;
+  createProvider?: boolean;
+  native?: boolean;
+}
+
+type ShallowUnwrap<T> = {
+  [P in keyof T]: UnwrapRef<T[P]>;
+};
+
+export function createContext<T>(context: any, key: InjectionKey<T> = Symbol(), options: CreateContextOptions = {}) {
+  const { readonly = true, createProvider = false, native = false } = options;
+
+  const state = reactive(context);
+  const provideData = readonly ? defineReadonly(state) : state;
+  !createProvider && provide(key, native ? context : provideData);
+
+  return {
+    state,
+  };
+}
+
+export function useContext<T>(key: InjectionKey<T>, native?: boolean): T;
+export function useContext<T>(key: InjectionKey<T>, defaultValue?: any, native?: boolean): T;
+
+export function useContext<T>(key: InjectionKey<T> = Symbol(), defaultValue?: any): ShallowUnwrap<T> {
+  return inject(key, defaultValue || {});
+}