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Add C API function JS_GetClassID()

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If you want to extend a built-in class you need it's class ID and there
is no robust way to get that without this accessor.

* add JS_INVALID_CLASS_ID constant for invalid class ID.

Signed-off-by: Tyler Rockwood <rockwood@redpanda.com>
This commit is contained in:
Tyler Rockwood
2024-02-20 09:29:08 +01:00
committed by Charlie Gordon
parent 12c91df577
commit b91a2aec67
2 changed files with 12 additions and 0 deletions
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3
quickjs.h
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@@ -499,7 +499,10 @@ typedef struct JSClassDef {
JSClassExoticMethods *exotic;
} JSClassDef;
#define JS_INVALID_CLASS_ID 0
JSClassID JS_NewClassID(JSClassID *pclass_id);
/* Returns the class ID if `v` is an object, otherwise returns JS_INVALID_CLASS_ID. */
JSClassID JS_GetClassID(JSValue v);
int JS_NewClass(JSRuntime *rt, JSClassID class_id, const JSClassDef *class_def);
int JS_IsRegisteredClass(JSRuntime *rt, JSClassID class_id);