Use ts.map for stylistic consistency

okmttdhr · okmttdhr · commit 4faa7b20d1e3 · 2020-05-24T12:35:00.000+09:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -12706,10 +12706,9 @@ namespace ts {
                             return undefinedType;
                         }
                         else if (indexType.flags & (TypeFlags.Number | TypeFlags.String)) {
-                            const types = (<ResolvedType>objectType).properties
-                                .map(property => {
-                                    return getTypeOfSymbol(property);
-                                });
+                            const types = ts.map((<ResolvedType>objectType).properties, property => {
+                                return getTypeOfSymbol(property);
+                            })
                             return getUnionType(append(types, undefinedType));
                         }
                     }

Original file line number	Diff line number	Diff line change
`@@ -12706,10 +12706,9 @@ namespace ts {`
`12706`	`12706`	`return undefinedType;`
`12707`	`12707`	`}`
`12708`	`12708`	`else if (indexType.flags & (TypeFlags.Number \| TypeFlags.String)) {`
`12709`		`- const types = (<ResolvedType>objectType).properties`
`12710`		`- .map(property => {`
`12711`		`- return getTypeOfSymbol(property);`
`12712`		`- });`
	`12709`	`+ const types = ts.map((<ResolvedType>objectType).properties, property => {`
	`12710`	`+ return getTypeOfSymbol(property);`
	`12711`	`+ })`
`12713`	`12712`	`return getUnionType(append(types, undefinedType));`
`12714`	`12713`	`}`
`12715`	`12714`	`}`