add useSnackbar hook

index.d.ts

@@ -27,6 +27,11 @@ export interface withSnackbarProps {
 export function withSnackbar<P extends withSnackbarProps>(component: React.ComponentType<P>):
     React.ComponentClass<Omit<P, keyof withSnackbarProps>> & { WrappedComponent: React.ComponentType<P> };
 
+
+export function useSnackbar(): InjectedNotistackProps;
+
+export type ClassNameMap<ClassKey extends string = string> = Record<ClassKey, string>;
+
 // all material-ui props, including class keys for notistack and material-ui with additional notistack props
 export interface SnackbarProviderProps extends Omit<SnackbarProps, 'open' | 'message' | 'classes'> {
     classes?: Partial<ClassNameMap<CombinedClassKey>>;

src/index.js

@@ -1,2 +1,3 @@
 export { default as SnackbarProvider } from './SnackbarProvider';
 export { default as withSnackbar } from './withSnackbar';
+export { default as useSnackbar } from './useSnackbar';

src/useSnackbar.js

@@ -0,0 +1,17 @@
+import { useContext } from 'react';
+import { SnackbarContext, SnackbarContextNext } from './SnackbarContext';
+
+const useSnackbar = () => {
+    const handlePresentSnackbar = useContext(SnackbarContext);
+    const {
+        handleEnqueueSnackbar,
+        handleCloseSnackbar,
+    } = useContext(SnackbarContextNext);
+    return {
+        onPresentSnackbar: handlePresentSnackbar,
+        enqueueSnackbar: handleEnqueueSnackbar,
+        closeSnackbar: handleCloseSnackbar,
+    };
+};
+
+export default useSnackbar;