Add file extensions to imports for esmodule build

Author: mattphillips

src/added.js

@@ -1,4 +1,4 @@
-import { isEmpty, isObject, hasOwnProperty } from './utils';
+import { isEmpty, isObject, hasOwnProperty } from './utils.js';
 
 const addedDiff = (lhs, rhs) => {
 

src/arrayDiff.js

@@ -1,4 +1,4 @@
-import { isDate, isEmpty, isObject, hasOwnProperty } from './utils';
+import { isDate, isEmpty, isObject, hasOwnProperty } from './utils.js';
 
 const diff = (lhs, rhs) => {
   if (lhs === rhs) return {}; // equal return no diff

src/deleted.js

@@ -1,4 +1,4 @@
-import { isEmpty, isObject, hasOwnProperty } from './utils';
+import { isEmpty, isObject, hasOwnProperty } from './utils.js';
 
 const deletedDiff = (lhs, rhs) => {
   if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};

src/detailed.js

@@ -1,6 +1,6 @@
-import addedDiff from './added';
-import deletedDiff from './deleted';
-import updatedDiff from './updated';
+import addedDiff from './added.js';
+import deletedDiff from './deleted.js';
+import updatedDiff from './updated.js';
 
 const detailedDiff = (lhs, rhs) => ({
   added: addedDiff(lhs, rhs),

src/diff.js

@@ -1,4 +1,4 @@
-import { isDate, isEmptyObject, isObject, hasOwnProperty } from './utils';
+import { isDate, isEmptyObject, isObject, hasOwnProperty } from './utils.js';
 
 const diff = (lhs, rhs) => {
   if (lhs === rhs) return {}; // equal return no diff

src/index.js

@@ -1,8 +1,8 @@
-import diff from './diff';
-import addedDiff from './added';
-import deletedDiff from './deleted';
-import updatedDiff from './updated';
-import detailedDiff from './detailed';
+import diff from './diff.js';
+import addedDiff from './added.js';
+import deletedDiff from './deleted.js';
+import updatedDiff from './updated.js';
+import detailedDiff from './detailed.js';
 
 export {
   addedDiff,

src/preserveArray.js

@@ -1,4 +1,4 @@
-import { isObject, hasOwnProperty } from './utils';
+import { isObject, hasOwnProperty } from './utils.js';
 
 const getLargerArray = (l, r) => l.length > r.length ? l : r;
 

src/updated.js

@@ -1,4 +1,4 @@
-import { isDate, isEmptyObject, isObject, hasOwnProperty } from './utils';
+import { isDate, isEmptyObject, isObject, hasOwnProperty } from './utils.js';
 
 const updatedDiff = (lhs, rhs) => {
   if (lhs === rhs) return {};