👔 lint eqeqeq error smart

.eslintrc.js

@@ -15,6 +15,7 @@ module.exports = {
     QUnit: 'readonly',
   },
   rules: {
+    eqeqeq: [ 'error', 'smart' ],
     'id-length': [ 'error', {
       min: 2,
       max: 30,

imagesloaded.js

@@ -94,7 +94,7 @@ const elementNodeTypes = [ 1, 9, 11 ];
  */
 ImagesLoaded.prototype.addElementImages = function( elem ) {
   // filter siblings
-  if ( elem.nodeName == 'IMG' ) {
+  if ( elem.nodeName === 'IMG' ) {
     this.addImage( elem );
   }
   // get background image on element
@@ -185,7 +185,7 @@ ImagesLoaded.prototype.progress = function( image, elem, message ) {
     this.jqDeferred.notify( this, image );
   }
   // check if completed
-  if ( this.progressedCount == this.images.length ) {
+  if ( this.progressedCount === this.images.length ) {
     this.complete();
   }
 
@@ -247,7 +247,7 @@ LoadingImage.prototype.confirm = function( isLoaded, message ) {
   this.isLoaded = isLoaded;
   let { parentNode } = this.img;
   // emit progress with parent <picture> or self <img>
-  let elem = parentNode.nodeName == 'PICTURE' ? parentNode : this.img;
+  let elem = parentNode.nodeName === 'PICTURE' ? parentNode : this.img;
   this.emitEvent( 'progress', [ this, elem, message ] );
 };
 

test/unit/background.js

@@ -16,7 +16,7 @@ QUnit.test( 'background', function( assert ) {
   assert.equal( imgLoad0.images.length, 1, '1 image on .images' );
 
   imgLoad0.on( 'progress', function( instance, image, element ) {
-    assert.ok( element.nodeName == 'DIV', 'progress; element is div' );
+    assert.ok( element.nodeName === 'DIV', 'progress; element is div' );
     assert.ok( image.isLoaded, 'progress; image.isLoaded' );
     done();
   } );

test/unit/picture.js

@@ -9,7 +9,7 @@ QUnit.test( 'picture', function( assert ) {
   assert.equal( imgLoad0.images.length, 3, '3 images on #picture-list' );
 
   imgLoad0.on( 'progress', function( instance, image, element ) {
-    assert.ok( element.nodeName == 'PICTURE', 'progress; element is picture' );
+    assert.ok( element.nodeName === 'PICTURE', 'progress; element is picture' );
     assert.ok( image.isLoaded, 'progress; image.isLoaded' );
     done();
   } );

test/unit/srcset.js

@@ -9,7 +9,7 @@ QUnit.test( 'srcset', function( assert ) {
   assert.equal( imgLoad0.images.length, 3, '3 images on #srcset' );
 
   imgLoad0.on( 'progress', function( instance, image, element ) {
-    assert.ok( element.nodeName == 'IMG', 'progress; element is img' );
+    assert.ok( element.nodeName === 'IMG', 'progress; element is img' );
     assert.ok( image.isLoaded, 'progress; image.isLoaded' );
     done();
   } );