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js-runtime: Add Object.attributeCount to get the number of user added

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attributes to that object
This commit is contained in:
iddev5 2022-07-08 18:02:54 +05:30 • committed by Stephen Gutekanst
parent 1919595adc
commit e8f5ca9117
2 changed files with 10 additions and 0 deletions
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5
js-runtime/src/js-runtime.js
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@ -252,6 +252,11 @@ const zig = {
delete values[id][index]; delete values[id][index];
}, },
zigGetAttributeCount(id) {
let obj = values[id];
return Object.keys(obj).length;
},
zigCleanupObject(id) { zigCleanupObject(id) {
const idx = Number(id); const idx = Number(id);
delete value_map[values[idx].__uindex]; delete value_map[values[idx].__uindex];

5
js-runtime/src/main.zig
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@ -7,6 +7,7 @@ const js = struct {
extern fn zigCreateArray() u32; extern fn zigCreateArray() u32;
extern fn zigCreateString(str: [*]const u8, len: u32) u32; extern fn zigCreateString(str: [*]const u8, len: u32) u32;
extern fn zigCreateFunction(id: *const anyopaque) u32; extern fn zigCreateFunction(id: *const anyopaque) u32;
extern fn zigGetAttributeCount(id: u64) u32;
extern fn zigGetProperty(id: u64, name: [*]const u8, len: u32, ret_ptr: *anyopaque) void; extern fn zigGetProperty(id: u64, name: [*]const u8, len: u32, ret_ptr: *anyopaque) void;
extern fn zigSetProperty(id: u64, name: [*]const u8, len: u32, set_ptr: *const anyopaque) void; extern fn zigSetProperty(id: u64, name: [*]const u8, len: u32, set_ptr: *const anyopaque) void;
extern fn zigDeleteProperty(id: u64, name: [*]const u8, len: u32) void; extern fn zigDeleteProperty(id: u64, name: [*]const u8, len: u32) void;
@ -91,6 +92,10 @@ pub const Object = struct {
return .{ .tag = .object, .val = .{ .ref = obj.ref } }; return .{ .tag = .object, .val = .{ .ref = obj.ref } };
} }
pub fn attributeCount(obj: *const Object) usize {
return js.zigGetAttributeCount(obj.ref);
}
pub fn get(obj: *const Object, prop: []const u8) Value { pub fn get(obj: *const Object, prop: []const u8) Value {
var ret: Value = undefined; var ret: Value = undefined;
js.zigGetProperty(obj.ref, prop.ptr, @intCast(u32, prop.len), &ret); js.zigGetProperty(obj.ref, prop.ptr, @intCast(u32, prop.len), &ret);