Apply class transform.

_Hash.js

@@ -11,7 +11,8 @@ import hashSet from './_hashSet.js';
  * @constructor
  * @param {Array} [entries] The key-value pairs to cache.
  */
-function Hash(entries) {
+class Hash {
+  constructor(entries) {
     let index = -1;
     const length = entries == null ? 0 : entries.length;
 
@@ -20,6 +21,7 @@ function Hash(entries) {
       const entry = entries[index];
       this.set(entry[0], entry[1]);
     }
+  }
 }
 
 // Add methods to `Hash`.

_ListCache.js

@@ -11,7 +11,8 @@ import listCacheSet from './_listCacheSet.js';
  * @constructor
  * @param {Array} [entries] The key-value pairs to cache.
  */
-function ListCache(entries) {
+class ListCache {
+  constructor(entries) {
     let index = -1;
     const length = entries == null ? 0 : entries.length;
 
@@ -20,6 +21,7 @@ function ListCache(entries) {
       const entry = entries[index];
       this.set(entry[0], entry[1]);
     }
+  }
 }
 
 // Add methods to `ListCache`.

_MapCache.js

@@ -11,7 +11,8 @@ import mapCacheSet from './_mapCacheSet.js';
  * @constructor
  * @param {Array} [entries] The key-value pairs to cache.
  */
-function MapCache(entries) {
+class MapCache {
+  constructor(entries) {
     let index = -1;
     const length = entries == null ? 0 : entries.length;
 
@@ -20,6 +21,7 @@ function MapCache(entries) {
       const entry = entries[index];
       this.set(entry[0], entry[1]);
     }
+  }
 }
 
 // Add methods to `MapCache`.

_SetCache.js

@@ -10,7 +10,8 @@ import setCacheHas from './_setCacheHas.js';
  * @constructor
  * @param {Array} [values] The values to cache.
  */
-function SetCache(values) {
+class SetCache {
+  constructor(values) {
     let index = -1;
     const length = values == null ? 0 : values.length;
 
@@ -18,6 +19,7 @@ function SetCache(values) {
     while (++index < length) {
       this.add(values[index]);
     }
+  }
 }
 
 // Add methods to `SetCache`.

_Stack.js

@@ -12,9 +12,11 @@ import stackSet from './_stackSet.js';
  * @constructor
  * @param {Array} [entries] The key-value pairs to cache.
  */
-function Stack(entries) {
+class Stack {
+  constructor(entries) {
     const data = this.__data__ = new ListCache(entries);
     this.size = data.size;
+  }
 }
 
 // Add methods to `Stack`.