feat: set default deps when call 'inject'

__tests__/index.spec.ts

@@ -36,9 +36,6 @@ test('integration', () => {
     ({ child, print }, a: number, b: number, c: number) => print(child(a, b, c))
   )
 
-  const printInjected = parentFn.inject({ print: data => data })
-  expect(printInjected(2, 3, 4)).toBe((2 + 3) * 4)
-
   const childInjected = parentFn.inject({
     child: child.inject({ grandchild: grandchild.inject({ add: (a, b) => a * b }) }),
     print: data => data

src/index.ts

@@ -3,9 +3,6 @@ export const depend = <T extends Record<string, any>, U extends [] | [any, ...an
   cb: (deps: T, ...params: U) => V
 ) => {
   const fn = (...args: U) => cb(dependencies, ...args)
-  fn.inject = (partialDeps?: Partial<T>) => {
-    const deps = { ...dependencies, ...partialDeps }
-    return (...args: U) => cb(deps, ...args)
-  }
+  fn.inject = (deps = dependencies) => (...args: U) => cb(deps, ...args)
   return fn
 }