Merge pull request #7112 from chrootsu/lodash-before

lodash: signatures of _.before have been changed

lodash/lodash-tests.ts

@@ -4658,22 +4658,31 @@ module TestBackflow {
 }
 
 // _.before
-var testBeforeFn = ((n: number) => () => ++n)(0);
-var testBeforeResultFn = <() => number>_.before<() => number>(3, testBeforeFn);
-result = <number>testBeforeResultFn();
-// → 1
-result = <number>testBeforeResultFn();
-// → 2
-result = <number>testBeforeResultFn();
-// → 2
-var testBeforeFn = ((n: number) => () => ++n)(0);
-var testBeforeResultFn = <() => number>_(3).before<() => number>(testBeforeFn);
-result = <number>testBeforeResultFn();
-// → 1
-result = <number>testBeforeResultFn();
-// → 2
-result = <number>testBeforeResultFn();
-// → 2
+module TestBefore {
+    interface Func {
+        (a: string, b: number): boolean;
+    }
+
+    let func: Func;
+
+    {
+        let result: Func;
+
+        _.before(42, func);
+    }
+
+    {
+        let result: _.LoDashImplicitObjectWrapper<Func>;
+
+        _(42).before(func);
+    }
+
+    {
+        let result: _.LoDashExplicitObjectWrapper<Func>;
+
+        _(42).chain().before(func);
+    }
+}
 
 var funcBind = function(greeting: string, punctuation: string) { return greeting + ' ' + this.user + punctuation; };
 var funcBound1: (punctuation: string) => any = _.bind(funcBind, { 'name': 'moe' }, 'hi');

lodash/lodash.d.ts

@@ -8048,20 +8048,31 @@ declare module _ {
     interface LoDashStatic {
         /**
          * Creates a function that invokes func, with the this binding and arguments of the created function, while
-         * it is called less than n times. Subsequent calls to the created function return the result of the last func
+         * it’s called less than n times. Subsequent calls to the created function return the result of the last func
          * invocation.
+         *
          * @param n The number of calls at which func is no longer invoked.
          * @param func The function to restrict.
          * @return Returns the new restricted function.
          */
-        before<TFunc extends Function>(n: number, func: TFunc): TFunc;
+        before<TFunc extends Function>(
+            n: number,
+            func: TFunc
+        ): TFunc;
     }
 
     interface LoDashImplicitWrapper<T> {
         /**
-         * @sed _.before
-         */
-        before<TFunc extends Function>(func: TFunc): TFunc;
+         * @see _.before
+         **/
+        before<TFunc extends Function>(func: TFunc): LoDashImplicitObjectWrapper<TFunc>;
+    }
+
+    interface LoDashExplicitWrapper<T> {
+        /**
+         * @see _.before
+         **/
+        before<TFunc extends Function>(func: TFunc): LoDashExplicitObjectWrapper<TFunc>;
     }
 
     //_.bind