fix: replace deprecated typeParameters with typeArguments (#623)

Author: ota-meshi

.changeset/small-fishes-sin.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-svelte": patch
+---
+
+fix: replace deprecated typeParameters with typeArguments

src/rules/indent-helpers/es.ts

@@ -183,19 +183,20 @@ export function defineVisitor(context: IndentContext): NodeListener {
 			visitor.BreakStatement(node);
 		},
 		CallExpression(node: TSESTree.CallExpression) {
+			const typeArguments = node.typeArguments ?? node.typeParameters;
 			const firstToken = sourceCode.getFirstToken(node);
-			const leftParenToken = sourceCode.getTokenAfter(node.typeParameters || node.callee, {
+			const leftParenToken = sourceCode.getTokenAfter(typeArguments || node.callee, {
 				filter: isOpeningParenToken,
 				includeComments: false
 			})!;
 			const rightParenToken = sourceCode.getLastToken(node);
 
-			if (node.typeParameters) {
-				offsets.setOffsetToken(sourceCode.getFirstToken(node.typeParameters), 1, firstToken);
+			if (typeArguments) {
+				offsets.setOffsetToken(sourceCode.getFirstToken(typeArguments), 1, firstToken);
 			}
 
 			for (const optionalToken of sourceCode.getTokensBetween(
-				sourceCode.getLastToken(node.typeParameters || node.callee),
+				sourceCode.getLastToken(typeArguments || node.callee),
 				leftParenToken,
 				{ filter: isOptionalToken, includeComments: false }
 			)) {
@@ -693,18 +694,15 @@ export function defineVisitor(context: IndentContext): NodeListener {
 			visitor.MethodDefinition(node);
 		},
 		NewExpression(node: TSESTree.NewExpression) {
+			const typeArguments = node.typeArguments ?? node.typeParameters;
 			const newToken = sourceCode.getFirstToken(node);
 			const calleeTokens = getFirstAndLastTokens(sourceCode, node.callee);
 			offsets.setOffsetToken(calleeTokens.firstToken, 1, newToken);
 
-			if (node.typeParameters) {
-				offsets.setOffsetToken(
-					sourceCode.getFirstToken(node.typeParameters),
-					1,
-					calleeTokens.firstToken
-				);
+			if (typeArguments) {
+				offsets.setOffsetToken(sourceCode.getFirstToken(typeArguments), 1, calleeTokens.firstToken);
 			}
-			const leftParenBefore = node.typeParameters || calleeTokens.lastToken;
+			const leftParenBefore = typeArguments || calleeTokens.lastToken;
 			if (node.arguments.length || leftParenBefore.range[1] < node.range[1]) {
 				const rightParenToken = sourceCode.getLastToken(node);
 				const leftParenToken = sourceCode.getTokenAfter(leftParenBefore)!;

src/rules/indent-helpers/ts.ts

@@ -62,9 +62,10 @@ export function defineVisitor(context: IndentContext): NodeListener {
 			// or
 			// const ErrorMap = Map<string, Error>
 			//                  ^^^^^^^^^^^^^^^^^^
-			if (node.typeParameters) {
+			const typeArguments = node.typeArguments ?? node.typeParameters;
+			if (typeArguments) {
 				const firstToken = sourceCode.getFirstToken(node);
-				offsets.setOffsetToken(sourceCode.getFirstToken(node.typeParameters), 1, firstToken);
+				offsets.setOffsetToken(sourceCode.getFirstToken(typeArguments), 1, firstToken);
 			}
 		},
 		TSInstantiationExpression(node: TSESTree.TSInstantiationExpression) {
@@ -401,9 +402,10 @@ export function defineVisitor(context: IndentContext): NodeListener {
 		TSClassImplements(node: TSESTree.TSClassImplements | TSESTree.TSInterfaceHeritage) {
 			// class C implements T {}
 			//                    ^
-			if (node.typeParameters) {
+			const typeArguments = node.typeArguments ?? node.typeParameters;
+			if (typeArguments) {
 				offsets.setOffsetToken(
-					sourceCode.getFirstToken(node.typeParameters),
+					sourceCode.getFirstToken(typeArguments),
 					1,
 					sourceCode.getFirstToken(node)
 				);
@@ -675,6 +677,7 @@ export function defineVisitor(context: IndentContext): NodeListener {
 		},
 		TSImportType(node: TSESTree.TSImportType) {
 			// import('foo').B
+			const typeArguments = node.typeArguments ?? node.typeParameters;
 			const firstToken = sourceCode.getFirstToken(node);
 			const leftParenToken = sourceCode.getTokenAfter(firstToken, {
 				filter: isOpeningParenToken,
@@ -695,8 +698,8 @@ export function defineVisitor(context: IndentContext): NodeListener {
 				const propertyToken = sourceCode.getTokenAfter(dotToken);
 				offsets.setOffsetToken([dotToken, propertyToken], 1, firstToken);
 			}
-			if (node.typeParameters) {
-				offsets.setOffsetToken(sourceCode.getFirstToken(node.typeParameters), 1, firstToken);
+			if (typeArguments) {
+				offsets.setOffsetToken(sourceCode.getFirstToken(typeArguments), 1, firstToken);
 			}
 		},
 		TSParameterProperty(node: TSESTree.TSParameterProperty) {
@@ -1055,9 +1058,10 @@ export function defineVisitor(context: IndentContext): NodeListener {
 					sourceCode.getFirstToken(node.id || node)
 				);
 			}
-			if (node.superTypeParameters != null && node.superClass != null) {
+			const superTypeArguments = node.superTypeArguments ?? node.superTypeParameters;
+			if (superTypeArguments != null && node.superClass != null) {
 				offsets.setOffsetToken(
-					sourceCode.getFirstToken(node.superTypeParameters),
+					sourceCode.getFirstToken(superTypeArguments),
 					1,
 					sourceCode.getFirstToken(node.superClass)
 				);

src/rules/require-event-dispatcher-types.ts

@@ -42,7 +42,7 @@ export default createRule('require-event-dispatcher-types', {
 					}
 				})) {
 					const node = n as TSESTree.CallExpression;
-					if (node.typeParameters === undefined) {
+					if ((node.typeArguments ?? node.typeParameters) === undefined) {
 						context.report({ node, messageId: 'missingTypeParameter' });
 					}
 				}