Update: fix indentation of multiline new.target expressions (#9116)

Author: not-an-aardvark

lib/rules/indent.js

@@ -1178,14 +1178,15 @@ module.exports = {
                 }
             },
 
-            "MemberExpression, JSXMemberExpression"(node) {
-                const firstNonObjectToken = sourceCode.getFirstTokenBetween(node.object, node.property, astUtils.isNotClosingParenToken);
+            "MemberExpression, JSXMemberExpression, MetaProperty"(node) {
+                const object = node.type === "MetaProperty" ? node.meta : node.object;
+                const firstNonObjectToken = sourceCode.getFirstTokenBetween(object, node.property, astUtils.isNotClosingParenToken);
                 const secondNonObjectToken = sourceCode.getTokenAfter(firstNonObjectToken);
 
-                const objectParenCount = sourceCode.getTokensBetween(node.object, node.property, { filter: astUtils.isClosingParenToken }).length;
+                const objectParenCount = sourceCode.getTokensBetween(object, node.property, { filter: astUtils.isClosingParenToken }).length;
                 const firstObjectToken = objectParenCount
-                    ? sourceCode.getTokenBefore(node.object, { skip: objectParenCount - 1 })
-                    : sourceCode.getFirstToken(node.object);
+                    ? sourceCode.getTokenBefore(object, { skip: objectParenCount - 1 })
+                    : sourceCode.getFirstToken(object);
                 const lastObjectToken = sourceCode.getTokenBefore(firstNonObjectToken);
                 const firstPropertyToken = node.computed ? firstNonObjectToken : secondNonObjectToken;
 

tests/lib/rules/indent.js

@@ -1843,6 +1843,18 @@ ruleTester.run("indent", rule, {
             `,
             options: [4, { MemberExpression: 1 }]
         },
+        unIndent`
+            function foo() {
+                new
+                    .target
+            }
+        `,
+        unIndent`
+            function foo() {
+                new.
+                    target
+            }
+        `,
         {
             code: unIndent`
                 if (foo) {
@@ -6127,6 +6139,36 @@ ruleTester.run("indent", rule, {
             options: [2, { MemberExpression: 2 }],
             errors: expectedErrors([[2, 4, 2, "Punctuator"], [3, 4, 2, "Punctuator"]])
         },
+        {
+            code: unIndent`
+                function foo() {
+                    new
+                    .target
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    new
+                        .target
+                }
+            `,
+            errors: expectedErrors([3, 8, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    new.
+                    target
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    new.
+                        target
+                }
+            `,
+            errors: expectedErrors([3, 8, 4, "Identifier"])
+        },
         {
 
             // Indentation with multiple else statements: https://github.com/eslint/eslint/issues/6956