Use consistent nullish check for array.

dropRightWhile.js

@@ -22,7 +22,7 @@ import baseWhile from './.internal/baseWhile.js'
  * // => objects for ['barney']
  */
 function dropRightWhile(array, predicate) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseWhile(array, predicate, true, true)
     : []
 }

dropWhile.js

@@ -22,7 +22,7 @@ import baseWhile from './.internal/baseWhile.js'
  * // => objects for ['pebbles']
  */
 function dropWhile(array, predicate) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseWhile(array, predicate, true)
     : []
 }

maxBy.js

@@ -20,7 +20,7 @@ import isSymbol from './isSymbol.js'
 function maxBy(array, iteratee) {
   let result
   let index = -1
-  const length = array ? array.length : 0
+  const length = array == null ? 0 : array.length
 
   while (++index < length) {
     let computed

minBy.js

@@ -20,7 +20,7 @@ import isSymbol from './isSymbol.js'
 function minBy(array, iteratee) {
   let result
   let index = -1
-  const length = array ? array.length : 0
+  const length = array == null ? 0 : array.length
 
   while (++index < length) {
     let computed

nth.js

@@ -21,7 +21,7 @@ import toInteger from './toInteger.js'
  * // => 'c'
  */
 function nth(array, n) {
-  return (array && array.length) ? baseNth(array, toInteger(n)) : undefined
+  return (array != null && array.length) ? baseNth(array, toInteger(n)) : undefined
 }
 
 export default nth

pullAll.js

@@ -20,7 +20,7 @@ import basePullAll from './.internal/basePullAll.js'
  * // => ['b', 'b']
  */
 function pullAll(array, values) {
-  return (array && array.length && values && values.length)
+  return (array != null && array.length && values != null && values.length)
     ? basePullAll(array, values)
     : array
 }

pullAllBy.js

@@ -23,7 +23,7 @@ import basePullAll from './.internal/basePullAll.js'
  * // => [{ 'x': 2 }]
  */
 function pullAllBy(array, values, iteratee) {
-  return (array && array.length && values && values.length)
+  return (array != null && array.length && values != null && values.length)
     ? basePullAll(array, values, iteratee)
     : array
 }

pullAllWith.js

@@ -23,7 +23,7 @@ import basePullAll from './.internal/basePullAll.js'
  * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
  */
 function pullAllWith(array, values, comparator) {
-  return (array && array.length && values && values.length)
+  return (array != null && array.length && values != null && values.length)
     ? basePullAll(array, values, undefined, comparator)
     : array
 }

remove.js

@@ -27,7 +27,7 @@ import basePullAt from './.internal/basePullAt.js'
  */
 function remove(array, predicate) {
   const result = []
-  if (!(array && array.length)) {
+  if (!(array != null && array.length)) {
     return result
   }
   let index = -1

sortedUniq.js

@@ -14,7 +14,7 @@ import baseSortedUniq from './.internal/baseSortedUniq.js'
  * // => [1, 2]
  */
 function sortedUniq(array) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseSortedUniq(array)
     : []
 }

sortedUniqBy.js

@@ -15,7 +15,7 @@ import baseSortedUniq from './.internal/baseSortedUniq.js'
  * // => [1.1, 2.3]
  */
 function sortedUniqBy(array, iteratee) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseSortedUniq(array, iteratee)
     : []
 }

sum.js

@@ -13,7 +13,7 @@ import baseSum from './.internal/baseSum.js'
  * // => 20
  */
 function sum(array) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseSum(array, value => value)
     : 0
 }

sumBy.js

@@ -18,7 +18,7 @@ import baseSum from './.internal/baseSum.js'
  * // => 20
  */
 function sumBy(array, iteratee) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseSum(array, iteratee)
     : 0
 }

take.js

@@ -25,7 +25,7 @@ import toInteger from './toInteger.js'
  * // => []
  */
 function take(array, n, guard) {
-  if (!(array && array.length)) {
+  if (!(array != null && array.length)) {
     return []
   }
   n = (guard || n === undefined) ? 1 : toInteger(n)

takeRightWhile.js

@@ -22,7 +22,7 @@ import baseWhile from './.internal/baseWhile.js'
  * // => objects for ['fred', 'pebbles']
  */
 function takeRightWhile(array, predicate) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseWhile(array, predicate, false, true)
     : []
 }

takeWhile.js

@@ -22,7 +22,7 @@ import baseWhile from './.internal/baseWhile.js'
  * // => objects for ['barney', 'fred']
  */
 function takeWhile(array, predicate) {
-  return (array && array.length)
+  return (array != null && array.length)
     ? baseWhile(array, predicate)
     : []
 }

uniq.js

@@ -18,7 +18,7 @@ import baseUniq from './.internal/baseUniq.js'
  * // => [2, 1]
  */
 function uniq(array) {
-  return (array && array.length) ? baseUniq(array) : []
+  return (array != null && array.length) ? baseUniq(array) : []
 }
 
 export default uniq

uniqBy.js

@@ -19,7 +19,7 @@ import baseUniq from './.internal/baseUniq.js'
  * // => [2.1, 1.2]
  */
 function uniqBy(array, iteratee) {
-  return (array && array.length) ? baseUniq(array, iteratee) : []
+  return (array != null && array.length) ? baseUniq(array, iteratee) : []
 }
 
 export default uniqBy

uniqWith.js

@@ -21,7 +21,7 @@ import baseUniq from './.internal/baseUniq.js'
  */
 function uniqWith(array, comparator) {
   comparator = typeof comparator == 'function' ? comparator : undefined
-  return (array && array.length) ? baseUniq(array, undefined, comparator) : []
+  return (array != null && array.length) ? baseUniq(array, undefined, comparator) : []
 }
 
 export default uniqWith

unzip.js

@@ -26,7 +26,7 @@ const nativeMax = Math.max
  * // => [['a', 'b'], [1, 2], [true, false]]
  */
 function unzip(array) {
-  if (!(array && array.length)) {
+  if (!(array != null && array.length)) {
     return []
   }
   let length = 0

unzipWith.js

@@ -21,7 +21,7 @@ import unzip from './unzip.js'
  * // => [3, 30, 300]
  */
 function unzipWith(array, iteratee) {
-  if (!(array && array.length)) {
+  if (!(array != null && array.length)) {
     return []
   }
   const result = unzip(array)