feat: add testObjectAddress

src/functions/address-object.spec.ts

@@ -1,4 +1,4 @@
-import {addressObject} from '../'
+import {addressObject, testObjectAddress} from '../'
 
 describe('Address Object', () => {
   it('should address an object', () => {
@@ -17,5 +17,10 @@ describe('Address Object', () => {
     expect(
       addressObject(object, 'level1#level2#level3#sample', {seperator: '#'})
     ).toBe('pass')
+
+    expect(testObjectAddress(object, 'level1.level2')).toBe(true)
+    expect(testObjectAddress(object, 'level1.level1')).toBe(false)
+    expect(testObjectAddress(object, 'level1.level2.level4')).toBe(false)
+    expect(testObjectAddress(object, 'level2.level2.level4')).toBe(false)
   })
 })

src/functions/address-object.ts

@@ -34,3 +34,26 @@ export const addressObject = <ObjectType extends {[key: string]: any}>(
     return value[key]
   }, object)
 }
+
+export const testObjectAddress = <ObjectType extends {[key: string]: any}>(
+  object: ObjectType,
+  address: string,
+  options?: DeepPartial<AddressObjectOptions>
+): boolean => {
+  const {seperator} = defaults(options, defaultOptions)
+
+  return address.split(seperator).reduce(
+    ({currentObject, result}, key) => {
+      if (!result) {
+        return {currentObject, result}
+      }
+
+      if (currentObject[key]) {
+        return {currentObject: currentObject[key], result: true}
+      }
+
+      return {currentObject: {}, result: false}
+    },
+    {currentObject: object, result: true}
+  ).result
+}

src/index.ts

@@ -1,7 +1,11 @@
 export {BitMask} from './classes/bit-mask'
 export {Logger, LoggerOptions} from './classes/logger'
 
-export {addressObject, AddressObjectOptions} from './functions/address-object'
+export {
+  addressObject,
+  AddressObjectOptions,
+  testObjectAddress
+} from './functions/address-object'
 export {arrayMove} from './functions/array-move'
 export {randomEntry} from './functions/array-selectors'
 export {asyncForEach} from './functions/async-for-each'