Build: upgrade dependencies, including eslint 9.4.0 and uglify 3.7.7

- Sinon is already at the latest version that supports IE9.
- Upgraded uglify to 3.7.7, which is the latest that worked with IE9.
  I tried 3.9.4, which we are using in jquery-migrate, and 3.8.1,
  but there were failures in traversing ("Permission denied" errors).
- Upgraded eslint to version 9, which required some changes.
  Mainly, unused arguments in catch expressions error by default in 9+.
  The config now makes use of `caughtErrorsIgnorePattern`,
  which is set to `"^_"`, the same as unused function params.
- Ignored main branch dist files when switching branches.

Closes gh-5508

6 files changed, 19 insertions, 21 deletions

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index dfe73569f..fc8731e1b 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -2001,9 +2001,7 @@ QUnit.module( "ajax", {
 			} );
 			success = true;
 			xhr.abort();
-		} catch ( e ) {
-
-		}
+		} catch ( _ ) {}
 		assert.ok( success, "document.location did not generate exception" );
 	} );
 
diff --git a/test/unit/attributes.js b/test/unit/attributes.js
index 095404ab2..42c311deb 100644
--- a/test/unit/attributes.js
+++ b/test/unit/attributes.js
@@ -429,7 +429,7 @@ QUnit.test( "attr(String, Object)", function( assert ) {
 	thrown = true;
 	try {
 		jQuery( check ).attr( "type", "checkbox" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		thrown = false;
 	}
 	assert.ok( thrown, "Exception thrown when trying to change type property" );
@@ -439,7 +439,7 @@ QUnit.test( "attr(String, Object)", function( assert ) {
 	thrown = true;
 	try {
 		check.attr( "type", "checkbox" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		thrown = false;
 	}
 	assert.ok( thrown, "Exception thrown when trying to change type property" );
@@ -610,7 +610,7 @@ QUnit.test( "removeAttr(String)", function( assert ) {
 	try {
 		$first = jQuery( "#first" ).attr( "contenteditable", "true" ).removeAttr( "contenteditable" );
 		assert.equal( $first.attr( "contenteditable" ), undefined, "Remove the contenteditable attribute" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		assert.ok( false, "Removing contenteditable threw an error (trac-10429)" );
 	}
 
@@ -1006,7 +1006,7 @@ if ( "value" in document.createElement( "meter" ) &&
 			assert.equal( typeof $progress.val(), "number", "progress, returns a number and does not throw exception" );
 			assert.equal( $progress.val(), $progress[ 0 ].value, "progress, api matches host and does not throw exception" );
 
-		} catch ( e ) {}
+		} catch ( _ ) {}
 
 		$meter.remove();
 		$progress.remove();
@@ -1780,7 +1780,7 @@ QUnit.test( "non-lowercase boolean attribute getters should not crash", function
 		try {
 			assert.strictEqual( elem.attr( original ), lowercased,
 				"The '" + this + "' attribute getter should return the lowercased name" );
-		} catch ( e ) {
+		} catch ( _ ) {
 			assert.ok( false, "The '" + this + "' attribute getter threw" );
 		}
 	} );
diff --git a/test/unit/css.js b/test/unit/css.js
index df0da5222..a2f65da7c 100644
--- a/test/unit/css.js
+++ b/test/unit/css.js
@@ -318,7 +318,7 @@ QUnit.test( "css(String, Object)", function( assert ) {
 	success = true;
 	try {
 		jQuery( "#foo" ).css( "backgroundColor", "rgba(0, 0, 0, 0.1)" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		success = false;
 	}
 	assert.ok( success, "Setting RGBA values does not throw Error (trac-5509)" );
@@ -1065,7 +1065,7 @@ QUnit.test( "internal ref to elem.runtimeStyle (bug trac-7608)", function( asser
 
 	try {
 		jQuery( "#foo" ).css( { "width": "0%" } ).css( "width" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		result = false;
 	}
 
diff --git a/test/unit/deprecated.js b/test/unit/deprecated.js
index bfe57d20a..4cf2f7aec 100644
--- a/test/unit/deprecated.js
+++ b/test/unit/deprecated.js
@@ -448,7 +448,7 @@ supportjQuery.each(
 		var fn;
 		try {
 			fn = Function( "return " + source )();
-		} catch ( e ) {}
+		} catch ( _ ) {}
 
 		QUnit[ jQuery.isFunction && fn ? "test" : "skip" ]( "isFunction(" + subclass + ")",
 			function( assert ) {
diff --git a/test/unit/event.js b/test/unit/event.js
index b1d5bde56..09411e484 100644
--- a/test/unit/event.js
+++ b/test/unit/event.js
@@ -12,12 +12,12 @@ QUnit.test( "null or undefined handler", function( assert ) {
 	try {
 		jQuery( "#firstp" ).on( "click", null );
 		assert.ok( true, "Passing a null handler will not throw an exception" );
-	} catch ( e ) {}
+	} catch ( _ ) {}
 
 	try {
 		jQuery( "#firstp" ).on( "click", undefined );
 		assert.ok( true, "Passing an undefined handler will not throw an exception" );
-	} catch ( e ) {}
+	} catch ( _ ) {}
 
 	var expectedElem = jQuery( "#firstp" );
 	var actualElem = expectedElem.on( "click", null );
@@ -1050,7 +1050,7 @@ QUnit.test( "trigger(type, [data], [fn])", function( assert ) {
 		elem2 = jQuery( "#form input" ).eq( 0 );
 		elem2.get( 0 ).style.display = "none";
 		elem2.trigger( "focus" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		pass = false;
 	}
 	assert.ok( pass, "Trigger focus on hidden element" );
@@ -1058,7 +1058,7 @@ QUnit.test( "trigger(type, [data], [fn])", function( assert ) {
 	pass = true;
 	try {
 		jQuery( "#qunit-fixture table" ).eq( 0 ).on( "test:test", function() {} ).trigger( "test:test" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		pass = false;
 	}
 	assert.ok( pass, "Trigger on a table with a colon in the even type, see trac-3533" );
@@ -1459,7 +1459,7 @@ QUnit[ /(ipad|iphone|ipod)/i.test( navigator.userAgent ) ? "skip" : "test" ](
 				window.onmessage = null;
 				done();
 			}
-		} catch ( e ) {
+		} catch ( _ ) {
 
 			// Messages may come from other sources, like browser extensions;
 			// some may not be valid JSONs and thus cannot be `JSON.parse`d.
@@ -2307,7 +2307,7 @@ QUnit.test( "custom events with colons (trac-3533, trac-8272)", function( assert
 	try {
 		tab.trigger( "back:forth" );
 		assert.ok( true, "colon events don't throw" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		assert.ok( false, "colon events die" );
 	}
 	tab.remove();
@@ -2945,7 +2945,7 @@ QUnit.test( "String.prototype.namespace does not cause trigger() to throw (trac-
 
 	try {
 		jQuery( "<p>" ).trigger( "foo.bar" );
-	} catch ( e ) {
+	} catch ( _ ) {
 		errored = true;
 	}
 	assert.equal( errored, false, "trigger() did not throw exception" );
diff --git a/test/unit/manipulation.js b/test/unit/manipulation.js
index 7f356432a..aa81c122a 100644
--- a/test/unit/manipulation.js
+++ b/test/unit/manipulation.js
@@ -1990,7 +1990,7 @@ QUnit.test( "clone()/html() don't expose jQuery/Sizzle expandos (trac-12858)", f
 		$content.find( ":nth-child(1):lt(4)" ).data( "test", true );
 
 	// But don't break on a non-Sizzle build
-	} catch ( e ) {
+	} catch ( _ ) {
 		$content.find( "*" ).data( "test", true );
 	}
 
@@ -2304,7 +2304,7 @@ QUnit.test( "domManip plain-text caching (trac-6779)", function( assert ) {
 	for ( i = 0; i < bad.length; i++ ) {
 		try {
 			$f.append( bad[ i ] );
-		} catch ( e ) {}
+		} catch ( _ ) {}
 	}
 	assert.equal( $f.text(), bad.join( "" ), "Cached strings that match Object properties" );
 	$f.remove();
@@ -2478,7 +2478,7 @@ QUnit.test( "Guard against exceptions when clearing safeChildNodes", function( a
 
 	try {
 		div = jQuery( "<div></div><hr/><code></code><b></b>" );
-	} catch ( e ) {}
+	} catch ( _ ) {}
 
 	assert.ok( div && div.jquery, "Created nodes safely, guarded against exceptions on safeChildNodes[ -1 ]" );
 } );