diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/quickjs/quickjs.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/quickjs/quickjs.c b/lib/quickjs/quickjs.c index 52f1d159..7aa3cfd2 100644 --- a/lib/quickjs/quickjs.c +++ b/lib/quickjs/quickjs.c @@ -38544,6 +38544,35 @@ exception: return JS_EXCEPTION; } +static JSValue js_array_at(JSContext *ctx, JSValueConst this_val, int argc, + JSValueConst *argv) +{ + JSValue obj, val; + int64_t len, k; + + obj = JS_ToObject(ctx, this_val); + if (JS_IsException(obj)) + return JS_EXCEPTION; + + if (js_get_length64(ctx, &len, obj)) + goto exception; + + if (JS_ToInt64Clamp(ctx, &k, argv[0], -1, len, len)) + goto exception; + + if (k >= len || k < 0) { + JS_FreeValue(ctx, obj); + return JS_UNDEFINED; + } + + val = JS_GetPropertyInt64(ctx, obj, k); + JS_FreeValue(ctx, obj); + return val; +exception: + JS_FreeValue(ctx, obj); + return JS_EXCEPTION; +} + #define special_every 0 #define special_some 1 #define special_forEach 2 @@ -39840,6 +39869,7 @@ static const JSCFunctionListEntry js_iterator_proto_funcs[] = { static const JSCFunctionListEntry js_array_proto_funcs[] = { JS_CFUNC_DEF("concat", 1, js_array_concat ), + JS_CFUNC_DEF("at", 1, js_array_at ), JS_CFUNC_MAGIC_DEF("every", 1, js_array_every, special_every ), JS_CFUNC_MAGIC_DEF("some", 1, js_array_every, special_some ), JS_CFUNC_MAGIC_DEF("forEach", 1, js_array_every, special_forEach ), |