Remove remaining rest helper use.

_castRest.js

@@ -1,14 +0,0 @@
-import baseRest from './_baseRest.js';
-
-/**
- * A `baseRest` alias which can be replaced with `identity` by module
- * replacement plugins.
- *
- * @private
- * @type {Function}
- * @param {Function} func The function to apply a rest parameter to.
- * @returns {Function} Returns the new function.
- */
-const castRest = baseRest;
-
-export default castRest;

_createAssigner.js

@@ -1,4 +1,3 @@
-import baseRest from './_baseRest.js';
 import isIterateeCall from './_isIterateeCall.js';
 
 /**
@@ -9,7 +8,7 @@ import isIterateeCall from './_isIterateeCall.js';
  * @returns {Function} Returns the new assigner function.
  */
 function createAssigner(assigner) {
-  return baseRest((object, sources) => {
+  return (object, ...sources) => {
     let index = -1;
     let length = sources.length;
     let customizer = length > 1 ? sources[length - 1] : undefined;
@@ -31,7 +30,7 @@ function createAssigner(assigner) {
       }
     }
     return object;
-  });
+  };
 }
 
 export default createAssigner;

_createFlow.js

@@ -1,5 +1,4 @@
 import LodashWrapper from './_LodashWrapper.js';
-import flatRest from './_flatRest.js';
 import getData from './_getData.js';
 import getFuncName from './_getFuncName.js';
 import isArray from './isArray.js';
@@ -22,7 +21,7 @@ const WRAP_REARG_FLAG = 256;
  * @returns {Function} Returns the new flow function.
  */
 function createFlow(fromRight) {
-  return flatRest(funcs => {
+  return (...funcs) => {
     const length = funcs.length;
     const prereq = LodashWrapper.prototype.thru;
 
@@ -74,7 +73,7 @@ function createFlow(fromRight) {
       }
       return result;
     };
-  });
+  };
 }
 
 export default createFlow;

_createOver.js

@@ -1,9 +1,7 @@
 import apply from './_apply.js';
 import arrayMap from './_arrayMap.js';
 import baseIteratee from './_baseIteratee.js';
-import baseRest from './_baseRest.js';
 import baseUnary from './_baseUnary.js';
-import flatRest from './_flatRest.js';
 
 /**
  * Creates a function like `_.over`.
@@ -13,13 +11,13 @@ import flatRest from './_flatRest.js';
  * @returns {Function} Returns the new over function.
  */
 function createOver(arrayFunc) {
-  return flatRest(iteratees => {
+  return (...iteratees) => {
     iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
-    return baseRest(function(args) {
+    return (...args) => {
       const thisArg = this;
       return arrayFunc(iteratees, iteratee => apply(iteratee, thisArg, args));
-    });
+    };
-  });
+  };
 }
 
 export default createOver;

_flatRest.js

@@ -1,16 +0,0 @@
-import flatten from './flatten.js';
-import overRest from './_overRest.js';
-import setToString from './_setToString.js';
-
-/**
- * A specialized version of `baseRest` which flattens the rest array.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @returns {Function} Returns the new function.
- */
-function flatRest(func) {
-  return setToString(overRest(func, undefined, flatten), `${ func }`);
-}
-
-export default flatRest;

_overRest.js

@@ -1,36 +0,0 @@
-import apply from './_apply.js';
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-const nativeMax = Math.max;
-
-/**
- * A specialized version of `baseRest` which transforms the rest array.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @param {Function} transform The rest array transform.
- * @returns {Function} Returns the new function.
- */
-function overRest(func, start, transform) {
-  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
-  return function() {
-    const args = arguments;
-    let index = -1;
-    const length = nativeMax(args.length - start, 0);
-    const array = Array(length);
-
-    while (++index < length) {
-      array[index] = args[start + index];
-    }
-    index = -1;
-    const otherArgs = Array(start + 1);
-    while (++index < start) {
-      otherArgs[index] = args[index];
-    }
-    otherArgs[start] = transform(array);
-    return apply(func, this, otherArgs);
-  };
-}
-
-export default overRest;

at.js

@@ -1,5 +1,4 @@
 import baseAt from './_baseAt.js';
-import flatRest from './_flatRest.js';
 
 /**
  * Creates an array of values corresponding to `paths` of `object`.
@@ -18,6 +17,8 @@ import flatRest from './_flatRest.js';
  * _.at(object, ['a[0].b.c', 'a[1]']);
  * // => [3, 4]
  */
-const at = flatRest(baseAt);
+function at(...paths) {
+  return baseAt(paths);
+}
 
 export default at;

attempt.js

@@ -1,5 +1,4 @@
 import apply from './_apply.js';
-import baseRest from './_baseRest.js';
 import isError from './isError.js';
 
 /**
@@ -24,12 +23,12 @@ import isError from './isError.js';
  *   elements = [];
  * }
  */
-const attempt = baseRest((func, args) => {
+function attempt(func, ...args) {
   try {
     return apply(func, undefined, args);
   } catch (e) {
     return isError(e) ? e : new Error(e);
   }
-});
+}
 
 export default attempt;

bind.js

@@ -1,4 +1,3 @@
-import baseRest from './_baseRest.js';
 import createWrap from './_createWrap.js';
 import getHolder from './_getHolder.js';
 import replaceHolders from './_replaceHolders.js';
@@ -42,7 +41,7 @@ const WRAP_PARTIAL_FLAG = 32;
  * bound('hi');
  * // => 'hi fred!'
  */
-const bind = baseRest((func, thisArg, partials) => {
+function bind(func, thisArg, ...partials) {
   let holders;
   let bitmask = WRAP_BIND_FLAG;
   if (partials.length) {
@@ -50,7 +49,7 @@ const bind = baseRest((func, thisArg, partials) => {
     bitmask |= WRAP_PARTIAL_FLAG;
   }
   return createWrap(func, bitmask, thisArg, partials, holders);
-});
+}
 
 // Assign default placeholders.
 bind.placeholder = {};

bindAll.js

@@ -1,7 +1,6 @@
 import arrayEach from './_arrayEach.js';
 import baseAssignValue from './_baseAssignValue.js';
 import bind from './bind.js';
-import flatRest from './_flatRest.js';
 import toKey from './_toKey.js';
 
 /**
@@ -30,12 +29,12 @@ import toKey from './_toKey.js';
  * jQuery(element).on('click', view.click);
  * // => Logs 'clicked docs' when clicked.
  */
-const bindAll = flatRest((object, methodNames) => {
+function bindAll(object, ...methodNames) {
   arrayEach(methodNames, key => {
     key = toKey(key);
     baseAssignValue(object, key, bind(object[key], object));
   });
   return object;
-});
+}
 
 export default bindAll;

bindKey.js

@@ -1,4 +1,3 @@
-import baseRest from './_baseRest.js';
 import createWrap from './_createWrap.js';
 import getHolder from './_getHolder.js';
 import replaceHolders from './_replaceHolders.js';
@@ -53,7 +52,7 @@ const WRAP_PARTIAL_FLAG = 32;
  * bound('hi');
  * // => 'hiya fred!'
  */
-const bindKey = baseRest((object, key, partials) => {
+function bindKey(object, key, ...partials) {
   let holders;
   let bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
   if (partials.length) {
@@ -61,7 +60,7 @@ const bindKey = baseRest((object, key, partials) => {
     bitmask |= WRAP_PARTIAL_FLAG;
   }
   return createWrap(key, bitmask, object, partials, holders);
-});
+}
 
 // Assign default placeholders.
 bindKey.placeholder = {};

cond.js

@@ -1,7 +1,6 @@
 import apply from './_apply.js';
 import arrayMap from './_arrayMap.js';
 import baseIteratee from './_baseIteratee.js';
-import baseRest from './_baseRest.js';
 
 /** Error message constants. */
 const FUNC_ERROR_TEXT = 'Expected a function';
@@ -46,7 +45,7 @@ function cond(pairs) {
     return [toIteratee(pair[0]), pair[1]];
   });
 
-  return baseRest(function(args) {
+  return (...args) => {
     let index = -1;
     while (++index < length) {
       const pair = pairs[index];
@@ -54,7 +53,7 @@ function cond(pairs) {
         return apply(pair[1], this, args);
       }
     }
-  });
+  };
 }
 
 export default cond;

defaults.js

@@ -1,6 +1,5 @@
 import apply from './_apply.js';
 import assignInWith from './assignInWith.js';
-import baseRest from './_baseRest.js';
 import customDefaultsAssignIn from './_customDefaultsAssignIn.js';
 
 /**
@@ -24,9 +23,9 @@ import customDefaultsAssignIn from './_customDefaultsAssignIn.js';
  * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  * // => { 'a': 1, 'b': 2 }
  */
-const defaults = baseRest(args => {
+function defaults(...args) {
   args.push(undefined, customDefaultsAssignIn);
   return apply(assignInWith, undefined, args);
-});
+}
 
 export default defaults;

defaultsDeep.js

@@ -1,5 +1,4 @@
 import apply from './_apply.js';
-import baseRest from './_baseRest.js';
 import customDefaultsMerge from './_customDefaultsMerge.js';
 import mergeWith from './mergeWith.js';
 
@@ -22,9 +21,9 @@ import mergeWith from './mergeWith.js';
  * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
  * // => { 'a': { 'b': 2, 'c': 3 } }
  */
-const defaultsDeep = baseRest(args => {
+function defaultsDeep(...args) {
   args.push(undefined, customDefaultsMerge);
   return apply(mergeWith, undefined, args);
-});
+}
 
 export default defaultsDeep;

invoke.js

@@ -1,5 +1,4 @@
 import baseInvoke from './_baseInvoke.js';
-import baseRest from './_baseRest.js';
 
 /**
  * Invokes the method at `path` of `object`.
@@ -19,6 +18,8 @@ import baseRest from './_baseRest.js';
  * _.invoke(object, 'a[0].b.c.slice', 1, 3);
  * // => [2, 3]
  */
-const invoke = baseRest(baseInvoke);
+function invoke(object, path, ...args) {
+  return baseInvoke(object, path, args);
+}
 
 export default invoke;

method.js

@@ -1,5 +1,4 @@
 import baseInvoke from './_baseInvoke.js';
-import baseRest from './_baseRest.js';
 
 /**
  * Creates a function that invokes the method at `path` of a given object.
@@ -25,6 +24,8 @@ import baseRest from './_baseRest.js';
  * _.map(objects, _.method(['a', 'b']));
  * // => [2, 1]
  */
-const method = baseRest((path, args) => object => baseInvoke(object, path, args));
+function method(path, ...args) {
+  return object => baseInvoke(object, path, args);
+}
 
 export default method;

methodOf.js

@@ -1,5 +1,4 @@
 import baseInvoke from './_baseInvoke.js';
-import baseRest from './_baseRest.js';
 
 /**
  * The opposite of `_.method`; this method creates a function that invokes
@@ -24,6 +23,8 @@ import baseRest from './_baseRest.js';
  * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
  * // => [2, 0]
  */
-const methodOf = baseRest((object, args) => path => baseInvoke(object, path, args));
+function methodOf(object, ...args) {
+  return path => baseInvoke(object, path, args);
+}
 
 export default methodOf;

nthArg.js

@@ -1,5 +1,4 @@
 import baseNth from './_baseNth.js';
-import baseRest from './_baseRest.js';
 import toInteger from './toInteger.js';
 
 /**
@@ -24,7 +23,7 @@ import toInteger from './toInteger.js';
  */
 function nthArg(n) {
   n = toInteger(n);
-  return baseRest(args => baseNth(args, n));
+  return (...args) => baseNth(args, n);
 }
 
 export default nthArg;

pick.js

@@ -1,5 +1,4 @@
 import basePick from './_basePick.js';
-import flatRest from './_flatRest.js';
 
 /**
  * Creates an object composed of the picked `object` properties.
@@ -18,6 +17,8 @@ import flatRest from './_flatRest.js';
  * _.pick(object, ['a', 'c']);
  * // => { 'a': 1, 'c': 3 }
  */
-const pick = flatRest((object, paths) => object == null ? {} : basePick(object, paths));
+function pick(object, ...paths) {
+  return object == null ? {} : basePick(object, paths);
+}
 
 export default pick;

pull.js

@@ -1,4 +1,3 @@
-import baseRest from './_baseRest.js';
 import pullAll from './pullAll.js';
 
 /**
@@ -24,6 +23,8 @@ import pullAll from './pullAll.js';
  * console.log(array);
  * // => ['b', 'b']
  */
-const pull = baseRest(pullAll);
+function pull(array, ...values) {
+  return pullAll(array, values);
+}
 
 export default pull;

pullAt.js

@@ -2,7 +2,6 @@ import arrayMap from './_arrayMap.js';
 import baseAt from './_baseAt.js';
 import basePullAt from './_basePullAt.js';
 import compareAscending from './_compareAscending.js';
-import flatRest from './_flatRest.js';
 import isIndex from './_isIndex.js';
 
 /**
@@ -29,12 +28,12 @@ import isIndex from './_isIndex.js';
  * console.log(pulled);
  * // => ['b', 'd']
  */
-const pullAt = flatRest((array, indexes) => {
+function pullAt(array, ...indexes) {
-  const length = array == null ? 0 : array.length, result = baseAt(array, indexes);
+  const length = array == null ? 0 : array.length;
+  const result = baseAt(array, indexes);
 
   basePullAt(array, arrayMap(indexes, index => isIndex(index, length) ? +index : index).sort(compareAscending));
-
   return result;
-});
+}
 
 export default pullAt;

rearg.js

@@ -1,5 +1,4 @@
 import createWrap from './_createWrap.js';
-import flatRest from './_flatRest.js';
 
 /** Used to compose bitmasks for function metadata. */
 const WRAP_REARG_FLAG = 256;
@@ -26,6 +25,8 @@ const WRAP_REARG_FLAG = 256;
  * rearged('b', 'c', 'a')
  * // => ['a', 'b', 'c']
  */
-const rearg = flatRest((func, indexes) => createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes));
+function rearg(func, ...indexes) {
+  return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+}
 
 export default rearg;

rest.js

@@ -1,40 +0,0 @@
-import baseRest from './_baseRest.js';
-import toInteger from './toInteger.js';
-
-/** Error message constants. */
-const FUNC_ERROR_TEXT = 'Expected a function';
-
-/**
- * Creates a function that invokes `func` with the `this` binding of the
- * created function and arguments from `start` and beyond provided as
- * an array.
- *
- * **Note:** This method is based on the
- * [rest parameter](https://mdn.io/rest_parameters).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Function
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var say = _.rest(function(what, names) {
- *   return what + ' ' + _.initial(names).join(', ') +
- *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
- * });
- *
- * say('hello', 'fred', 'barney', 'pebbles');
- * // => 'hello fred, barney, & pebbles'
- */
-function rest(func, start) {
-  if (typeof func != 'function') {
-    throw new TypeError(FUNC_ERROR_TEXT);
-  }
-  start = start === undefined ? start : toInteger(start);
-  return baseRest(func, start);
-}
-
-export default rest;

spread.js

@@ -1,6 +1,5 @@
 import apply from './_apply.js';
 import arrayPush from './_arrayPush.js';
-import baseRest from './_baseRest.js';
 import castSlice from './_castSlice.js';
 import toInteger from './toInteger.js';
 
@@ -49,7 +48,7 @@ function spread(func, start) {
     throw new TypeError(FUNC_ERROR_TEXT);
   }
   start = start == null ? 0 : nativeMax(toInteger(start), 0);
-  return baseRest(function(args) {
+  return (...args) => {
     const array = args[start];
     const otherArgs = castSlice(args, 0, start);
 
@@ -57,7 +56,7 @@ function spread(func, start) {
       arrayPush(otherArgs, array);
     }
     return apply(func, this, otherArgs);
-  });
+  };
 }
 
 export default spread;

zip.js

@@ -1,4 +1,3 @@
-import baseRest from './_baseRest.js';
 import unzip from './unzip.js';
 
 /**
@@ -17,6 +16,8 @@ import unzip from './unzip.js';
  * _.zip(['a', 'b'], [1, 2], [true, false]);
  * // => [['a', 1, true], ['b', 2, false]]
  */
-const zip = baseRest(unzip);
+function zip(...arays) {
+  return unzip(arrays);
+}
 
 export default zip;