feat: add sutiable RegExp prototype methods (#4737)

rollup · Dec 8, 2022 · e83d539 · e83d539
1 parent 248d09a
commit e83d539
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Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/src/ast/values.ts b/src/ast/values.ts
@@ -200,6 +200,14 @@ const literalNumberMembers: MemberDescriptions = assembleMemberDescriptions(
 	objectMembers
 );
 
+const literalRegExpMembers: MemberDescriptions = assembleMemberDescriptions(
+	{
+		exec: returnsUnknown,
+		test: returnsBoolean
+	},
+	objectMembers
+);
+
 export const literalStringMembers: MemberDescriptions = assembleMemberDescriptions(
 	{
 		anchor: returnsString,
@@ -258,6 +266,9 @@ export const literalStringMembers: MemberDescriptions = assembleMemberDescriptio
 export function getLiteralMembersForValue<T extends LiteralValue = LiteralValue>(
 	value: T
 ): MemberDescriptions {
+	if (value instanceof RegExp) {
+		return literalRegExpMembers;
+	}
 	switch (typeof value) {
 		case 'boolean': {
 			return literalBooleanMembers;

diff --git a/test/form/samples/builtin-prototypes/literal/main.js b/test/form/samples/builtin-prototypes/literal/main.js
@@ -48,6 +48,10 @@ const _numberHasOwnProperty = (1).hasOwnProperty('toString').valueOf();
 const _numberIsPrototypeOf = (1).isPrototypeOf(1).valueOf();
 const _numberPropertyIsEnumerable = (1).propertyIsEnumerable('toString').valueOf();
 
+// RegExp prototype
+/1/.test(2);
+/1/.exec(1);
+
 // string prototype
 'ab'.valueOf();
 'ab'.valueOf().valueOf();