Merge pull request #5773 from chrootsu/lodash-result

lodash: changed _.result() method

lodash/lodash-tests.ts

@@ -1681,6 +1681,17 @@ interface TestPickFn {
     result = _({}).pick<TResult>(testPickFn, any).value();
 }
 
+// _.result
+{
+    let testResultPath: number|string|boolean|Array<number|string|boolean>;
+    let testResultDefaultValue: TResult;
+    let result: TResult;
+    result = _.result<{}, TResult>({}, testResultPath);
+    result = _.result<{}, TResult>({}, testResultPath, testResultDefaultValue);
+    result = _({}).result<TResult>(testResultPath);
+    result = _({}).result<TResult>(testResultPath, testResultDefaultValue);
+}
+
 // _.set
 result = <{ a: { b: { c: number; }}[]}>_.set({ 'a': [{ 'b': { 'c': 3 } }] }, 'a[0].b.c', 4);
 result = <{ a: { b: { c: number; }}[]}>_({ 'a': [{ 'b': { 'c': 3 } }] }).set('a[0].b.c', 4).value();
@@ -1752,22 +1763,6 @@ result = <void>_<string>([]).noop(true, 'a', 1);
 result = <void>_({}).noop(true, 'a', 1);
 result = <void>_(any).noop(true, 'a', 1);
 
-var object = {
-    'cheese': 'crumpets',
-    'one': 1,
-    'nested': {
-        'two': 2
-    },
-    'stuff': function () {
-        return 'nonsense';
-    }
-};
-
-result = <string>_.result(object, 'cheese');
-result = <string>_.result(object, 'stuff');
-result = _.result<number>(object, 'one');
-result = _.result<number>(object, ['nested', 'two'] );
-
 var tempObject = {};
 result = <typeof _>_.runInContext(tempObject);
 

lodash/lodash.d.ts

@@ -7560,6 +7560,34 @@ declare module _ {
         ): LoDashObjectWrapper<TResult>;
     }
 
+    //_.result
+    interface LoDashStatic {
+        /**
+         * This method is like _.get except that if the resolved value is a function it’s invoked with the this binding
+         * of its parent object and its result is returned.
+         *
+         * @param object The object to query.
+         * @param path The path of the property to resolve.
+         * @param defaultValue The value returned if the resolved value is undefined.
+         * @return Returns the resolved value.
+         */
+        result<TObject, TResult>(
+            object: TObject,
+            path: number|string|boolean|Array<number|string|boolean>,
+            defaultValue?: TResult
+        ): TResult;
+    }
+
+    interface LoDashWrapperBase<T, TWrapper> {
+        /**
+         * @see _.result
+         */
+        result<TResult>(
+            path: number|string|boolean|Array<number|string|boolean>,
+            defaultValue?: TResult
+        ): TResult;
+    }
+
     //_.set
     interface LoDashStatic {
         /**
@@ -8399,21 +8427,6 @@ declare module _ {
         random(min: number, max: number, floating?: boolean): number;
     }
 
-    //_.result
-    interface LoDashStatic {
-        /**
-        * Resolves the value of property on object. If property is a function it will be invoked with
-        * the this binding of object and its result returned, else the property value is returned. If
-        * object is false then undefined is returned.
-        * @param object The object to query.
-        * @param path The path of the property to resolve.
-        * @param defaultValue The value returned if the resolved value is undefined.
-        * @return The resolved value.
-        **/
-
-        result<T>(object: any, path: string|string[], defaultValue?: T): T;
-    }
-
     //_.runInContext
     interface LoDashStatic {
         /**