const std = @import("std"); const JSC = @import("javascript_core"); const strings = @import("strings"); const bun = @import("../global.zig"); const JSValue = JSC.JSValue; const ZigString = JSC.ZigString; const TODO_EXCEPTION: JSC.C.ExceptionRef = null; pub const napi_env = *JSC.JSGlobalObject; pub const napi_ref = struct_napi_ref__; pub const napi_handle_scope = napi_env; pub const napi_escapable_handle_scope = struct_napi_escapable_handle_scope__; pub const napi_callback_info = *JSC.CallFrame; pub const napi_deferred = *JSC.JSPromise; pub const uv_loop_s = struct_uv_loop_s; pub const napi_value = JSC.JSValue; pub const struct_napi_ref__ = opaque {}; pub const struct_napi_escapable_handle_scope__ = opaque {}; pub const struct_napi_deferred__ = opaque {}; const char16_t = u16; pub const napi_default: c_int = 0; pub const napi_writable: c_int = 1; pub const napi_enumerable: c_int = 2; pub const napi_configurable: c_int = 4; pub const napi_static: c_int = 1024; pub const napi_default_method: c_int = 5; pub const napi_default_jsproperty: c_int = 7; pub const napi_property_attributes = c_uint; pub const napi_valuetype = enum(c_uint) { @"undefined" = 0, @"null" = 1, @"boolean" = 2, @"number" = 3, @"string" = 4, @"symbol" = 5, @"object" = 6, @"function" = 7, @"external" = 8, @"bigint" = 9, }; pub const napi_typedarray_type = enum(c_uint) { int8_array = 0, uint8_array = 1, uint8_clamped_array = 2, int16_array = 3, uint16_array = 4, int32_array = 5, uint32_array = 6, float32_array = 7, float64_array = 8, bigint64_array = 9, biguint64_array = 10, pub fn fromJSType(this: JSC.JSValue.JSType) ?napi_typedarray_type { return switch (this) { .Int8Array => napi_typedarray_type.int8_array, .Uint8Array => napi_typedarray_type.uint8_array, .Uint8ClampedArray => napi_typedarray_type.uint8_clamped_array, .Int16Array => napi_typedarray_type.int16_array, .Uint16Array => napi_typedarray_type.uint16_array, .Int32Array => napi_typedarray_type.int32_array, .Uint32Array => napi_typedarray_type.uint32_array, .Float32Array => napi_typedarray_type.float32_array, .Float64Array => napi_typedarray_type.float64_array, .BigInt64Array => napi_typedarray_type.bigint64_array, .BigUint64Array => napi_typedarray_type.biguint64_array, else => null, }; } pub fn toJSType(this: napi_typedarray_type) JSC.JSValue.JSType { return switch (this) { .int8_array => .Int8Array, .uint8_array => .Uint8Array, .uint8_clamped_array => .Uint8ClampedArray, .int16_array => .Int16Array, .uint16_array => .Uint16Array, .int32_array => .Int32Array, .uint32_array => .Uint32Array, .float32_array => .Float32Array, .float64_array => .Float64Array, .bigint64_array => .BigInt64Array, .biguint64_array => .BigUint64Array, }; } pub fn toC(this: napi_typedarray_type) JSC.C.JSTypedArrayType { return this.toJSType().toC(); } }; pub const napi_status = enum(c_uint) { ok = 0, invalid_arg = 1, object_expected = 2, string_expected = 3, name_expected = 4, function_expected = 5, number_expected = 6, boolean_expected = 7, array_expected = 8, generic_failure = 9, pending_exception = 10, cancelled = 11, escape_called_twice = 12, handle_scope_mismatch = 13, callback_scope_mismatch = 14, queue_full = 15, closing = 16, bigint_expected = 17, date_expected = 18, arraybuffer_expected = 19, detachable_arraybuffer_expected = 20, would_deadlock = 21, }; pub const napi_callback = ?fn (napi_env, napi_callback_info) callconv(.C) napi_value; pub const napi_finalize = ?fn (napi_env, ?*anyopaque, ?*anyopaque) callconv(.C) void; pub const napi_property_descriptor = extern struct { utf8name: [*c]const u8, name: napi_value, method: napi_callback, getter: napi_callback, setter: napi_callback, value: napi_value, attributes: napi_property_attributes, data: ?*anyopaque, }; pub const napi_extended_error_info = extern struct { error_message: [*c]const u8, engine_reserved: ?*anyopaque, engine_error_code: u32, error_code: napi_status, }; pub const napi_key_include_prototypes: c_int = 0; pub const napi_key_own_only: c_int = 1; pub const napi_key_collection_mode = c_uint; pub const napi_key_all_properties: c_int = 0; pub const napi_key_writable: c_int = 1; pub const napi_key_enumerable: c_int = 2; pub const napi_key_configurable: c_int = 4; pub const napi_key_skip_strings: c_int = 8; pub const napi_key_skip_symbols: c_int = 16; pub const napi_key_filter = c_uint; pub const napi_key_keep_numbers: c_int = 0; pub const napi_key_numbers_to_strings: c_int = 1; pub const napi_key_conversion = c_uint; pub const napi_type_tag = extern struct { lower: u64, upper: u64, }; pub extern fn napi_get_last_error_info(env: napi_env, result: [*c][*c]const napi_extended_error_info) napi_status; pub export fn napi_get_undefined(_: napi_env, result: *napi_value) napi_status { result.* = JSValue.jsUndefined(); return .ok; } pub export fn napi_get_null(_: napi_env, result: *napi_value) napi_status { result.* = JSValue.jsNull(); return .ok; } pub extern fn napi_get_global(env: napi_env, result: *napi_value) napi_status; pub export fn napi_get_boolean(_: napi_env, value: bool, result: *napi_value) napi_status { result.* = JSValue.jsBoolean(value); return .ok; } pub export fn napi_create_object(env: napi_env, result: *napi_value) napi_status { result.* = JSValue.c(JSC.C.JSObjectMake(env.ref(), null, null)); return .ok; } pub export fn napi_create_array(env: napi_env, result: *napi_value) napi_status { result.* = JSValue.c(JSC.C.JSObjectMakeArray(env.ref(), 0, null, null)); return .ok; } const prefilled_undefined_args_array: [128]JSC.JSValue = brk: { var args: [128]JSC.JSValue = undefined; for (args) |_, i| { args[i] = JSValue.jsUndefined(); } break :brk args; }; pub export fn napi_create_array_with_length(env: napi_env, length: usize, result: *napi_value) napi_status { if (length < prefilled_undefined_args_array.len) { result.* = JSValue.c(JSC.C.JSObjectMakeArray(env.ref(), length, @ptrCast([*]const JSC.C.JSValueRef, &prefilled_undefined_args_array[0..length]), null)); return .ok; } const allocator = JSC.VirtualMachine.vm.allocator; var undefined_args = allocator.alloc(JSC.C.JSValueRef, length) catch return .generic_failure; defer allocator.free(undefined_args); for (undefined_args) |_, i| { undefined_args[i] = JSValue.jsUndefined().asObjectRef(); } result.* = JSValue.c(JSC.C.JSObjectMakeArray(env.ptr(), length, undefined_args.ptr, null)); return .ok; } pub export fn napi_create_double(_: napi_env, value: f64, result: *napi_value) napi_status { result.* = JSValue.jsNumber(value); return .ok; } pub export fn napi_create_int32(_: napi_env, value: i32, result: *napi_value) napi_status { result.* = JSValue.jsNumber(value); return .ok; } pub export fn napi_create_uint32(_: napi_env, value: u32, result: *napi_value) napi_status { result.* = JSValue.jsNumber(value); return .ok; } pub export fn napi_create_int64(_: napi_env, value: i64, result: *napi_value) napi_status { result.* = JSValue.jsNumber(value); return .ok; } pub export fn napi_create_string_latin1(env: napi_env, str: [*]const u8, length: usize, result: *napi_value) napi_status { var len = length; if (NAPI_AUTO_LENGTH == length) { len = std.mem.sliceTo(str, 0).len; } result.* = JSC.ZigString.init(str[0..len]).toValueGC(env); return .ok; } pub export fn napi_create_string_utf8(env: napi_env, str: [*]const u8, length: usize, result: *napi_value) napi_status { var len = length; if (NAPI_AUTO_LENGTH == length) { len = std.mem.sliceTo(str, 0).len; } result.* = JSC.ZigString.init(str[0..len]).withEncoding().toValueGC(env); return .ok; } pub export fn napi_create_string_utf16(env: napi_env, str: [*]const char16_t, length: usize, result: *napi_value) napi_status { var len = length; if (NAPI_AUTO_LENGTH == length) { len = std.mem.sliceTo(str, 0).len; } result.* = JSC.ZigString.from16(str, len, env).toValueGC(env); return .ok; } pub export fn napi_create_symbol(env: napi_env, description: napi_value, result: *napi_value) napi_status { var string_ref = JSC.C.JSValueToStringCopy(env, description, null); defer JSC.C.JSStringRelease(string_ref); result.* = JSValue.c(JSC.C.JSValueMakeSymbol(env, string_ref)); return .ok; } // const wrapped_callback_function_class_def = JSC.C.JSClassDefinition{ // .version = 0, // .attributes = JSC.C.JSClassAttributes.kJSClassAttributeNone, // .className = "", // .parentClass = null, // .staticValues = null, // .staticFunctions = null, // .initialize = null, // .finalize = null, // .hasProperty = null, // .getProperty = null, // .setProperty = null, // .deleteProperty = null, // .getPropertyNames = null, // .callAsFunction = call_wrapped_callback_function, // .callAsConstructor = null, // .hasInstance = null, // .convertToType = null, // }; // pub fn call_wrapped_callback_function( // ctx: JSC.C.JSContextRef, // function: JSC.C.JSObjectRef, // thisObject: JSC.C.JSObjectRef, // argumentCount: usize, // arguments: [*c]const JSC.C.JSValueRef, // exception: JSC.C.ExceptionRef, // ) callconv(.C) JSC.C.JSValueRef { // var private = JSC.C.JSObjectGetPrivate(function); // } // pub fn getWrappedCallbackFunctionClass(env: napi_env) JSC.C.JSClassRef {} // pub export fn napi_create_function(env: napi_env, utf8name: [*c]const u8, length: usize, cb: napi_callback, data: ?*anyopaque, result: *napi_value) napi_status { // // JSC.C.JSObjectMakeFunctionWithCallback(ctx: JSContextRef, name: JSStringRef, callAsFunction: JSObjectCallAsFunctionCallback) // } pub export fn napi_create_error(env: napi_env, code: napi_value, msg: napi_value, result: *napi_value) napi_status { const system_error = JSC.SystemError{ .code = if (!code.isEmptyOrUndefinedOrNull()) code.getZigString(env) else ZigString.Empty, .message = msg.getZigString(env), }; result.* = system_error.toErrorInstance(env); return .ok; } pub extern fn napi_create_type_error(env: napi_env, code: napi_value, msg: napi_value, result: *napi_value) napi_status; pub extern fn napi_create_range_error(env: napi_env, code: napi_value, msg: napi_value, result: *napi_value) napi_status; pub export fn napi_typeof(env: napi_env, value: napi_value, result: *napi_valuetype) napi_status { if (value.isEmpty()) { result.* = .undefined; return .ok; } //"undefined" = 0, //"null" = 1, //"boolean" = 2, //"number" = 3, //"string" = 4, //"symbol" = 5, //"object" = 6, //"function" = 7, //"external" = 8, //"bigint" = 9, if (value.isUndefined()) { result.* = .undefined; return .ok; } if (value.isNull()) { result.* = .null; return .ok; } if (value.isBoolean()) { result.* = .boolean; return .ok; } if (value.isNumber()) { result.* = .number; return .ok; } if (value.isString()) { result.* = .string; return .ok; } if (value.isSymbol()) { result.* = .symbol; return .ok; } if (value.isBigInt()) { result.* = .bigint; return .ok; } if (value.jsType() == .JSProxy) { result.* = .external; return .ok; } if (value.isObject()) { if (value.isCallable(env.vm())) { result.* = .function; return .ok; } result.* = .object; return .ok; } if (value.isCell() and value.isCallable(env.vm())) { result.* = .function; return .ok; } return .invalid_arg; } pub export fn napi_get_value_double(_: napi_env, value: napi_value, result: *f64) napi_status { result.* = value.to(f64); return .ok; } pub export fn napi_get_value_int32(_: napi_env, value: napi_value, result: *i32) napi_status { result.* = value.to(i32); return .ok; } pub export fn napi_get_value_uint32(_: napi_env, value: napi_value, result: *u32) napi_status { result.* = value.to(u32); return .ok; } pub export fn napi_get_value_int64(_: napi_env, value: napi_value, result: *i64) napi_status { result.* = value.to(i64); return .ok; } pub export fn napi_get_value_bool(_: napi_env, value: napi_value, result: *bool) napi_status { result.* = value.to(bool); return .ok; } pub export fn napi_get_value_string_latin1(env: napi_env, value: napi_value, buf: [*]u8, bufsize: usize, result: *usize) napi_status { const zig_str = value.getZigString(env); if (zig_str.is16Bit()) { const utf16 = zig_str.utf16SliceAligned(); const wrote = JSC.WebCore.Encoder.writeU16(utf16.ptr, utf16.len, buf, @minimum(utf16.len, bufsize), .latin1); if (wrote < 0) { return .generic_failure; } result.* = @intCast(usize, wrote); return .ok; } const to_copy = @minimum(zig_str.len, bufsize); @memcpy(buf, zig_str.slice().ptr, to_copy); result.* = to_copy; return .ok; } pub export fn napi_get_value_string_utf8(env: napi_env, value: napi_value, buf: [*]u8, bufsize: usize, result: *usize) napi_status { const zig_str = value.getZigString(env); if (zig_str.is16Bit()) { const utf16 = zig_str.utf16SliceAligned(); const wrote = JSC.WebCore.Encoder.writeU16(utf16.ptr, utf16.len, buf, @minimum(utf16.len, bufsize), .utf8); if (wrote < 0) { return .generic_failure; } result.* = @intCast(usize, wrote); return .ok; } const to_copy = @minimum(zig_str.len, bufsize); @memcpy(buf, zig_str.slice().ptr, to_copy); result.* = to_copy; return .ok; } pub export fn napi_get_value_string_utf16(env: napi_env, value: napi_value, buf: [*]char16_t, bufsize: usize, result: *usize) napi_status { const zig_str = value.getZigString(env); if (!zig_str.is16Bit()) { const slice = zig_str.slice(); const encode_into_result = strings.copyLatin1IntoUTF16([]char16_t, buf[0..bufsize], []const u8, slice); result.* = encode_into_result.written; return .ok; } const to_copy = @minimum(zig_str.len, bufsize); @memcpy(buf[0..], zig_str.utf16SliceAligned().ptr, to_copy); result.* = to_copy; return .ok; } pub export fn napi_coerce_to_bool(_: napi_env, value: napi_value, result: *napi_value) napi_status { result.* = value.to(bool); return .ok; } pub export fn napi_coerce_to_number(env: napi_env, value: napi_value, result: *napi_value) napi_status { result.* = JSValue.from(JSC.C.JSValueToNumber(env.ref(), value.asObjectRef(), TODO_EXCEPTION)); return .ok; } pub export fn napi_coerce_to_object(env: napi_env, value: napi_value, result: *napi_value) napi_status { result.* = JSValue.from(JSC.C.JSValueToObject(env.ref(), value.asObjectRef(), TODO_EXCEPTION)); return .ok; } // pub export fn napi_coerce_to_string(env: napi_env, value: napi_value, result: *napi_value) napi_status { // // result.* = .?(env.ref(), value.asObjectRef(), TODO_EXCEPTION)); // // return .ok; // } pub export fn napi_get_prototype(env: napi_env, object: napi_value, result: *napi_value) napi_status { if (!object.isObject()) { return .object_expected; } result.* = JSValue.from(JSC.C.JSObjectGetPrototype(env.ref(), object.asObjectRef())); return .ok; } // TODO: bind JSC::ownKeys // pub export fn napi_get_property_names(env: napi_env, object: napi_value, result: *napi_value) napi_status { // if (!object.isObject()) { // return .object_expected; // } // result.* = // } pub export fn napi_set_property(env: napi_env, object: napi_value, key: napi_value, value: napi_value) napi_status { if (!object.isObject()) { return .object_expected; } var name = key.getZigString(env); if (name.len == 0 or value.isEmpty()) { return .invalid_arg; } var exception: ?JSC.C.JSValueRef = null; JSC.C.JSObjectSetPropertyForKey(env.ref(), object.asObjectRef(), key.asObjectRef(), value, JSC.C.JSPropertyAttributes.kJSPropertyAttributeNone, &exception); return if (exception == null) .ok else .generic_failure; } pub export fn napi_has_property(env: napi_env, object: napi_value, key: napi_value, result: *bool) napi_status { if (!object.isObject()) { return .object_expected; } var name = key.getZigString(env); var name_slice = name.toSlice(JSC.VirtualMachine.vm.allocator); defer name_slice.deinit(); if (name.len == 0) { return .invalid_arg; } // TODO: bind hasOwnProperty result.* = object.get(env, &name_slice) != null; return .ok; } pub export fn napi_get_property(env: napi_env, object: napi_value, key: napi_value, result: ?*napi_value) napi_status { if (!object.isObject()) { return .object_expected; } if (!key.isString()) { return .invalid_arg; } var name = key.getZigString(env); var name_slice = name.toSlice(JSC.VirtualMachine.vm.allocator); defer name_slice.deinit(); if (name.len == 0) { return .invalid_arg; } // TODO: DECLARE_THROW_SCOPE result.* = object.get(env, &name_slice); return .ok; } pub export fn napi_delete_property(env: napi_env, object: napi_value, key: napi_value, result: *bool) napi_status { if (!object.isObject()) { return .object_expected; } if (!key.isString()) { return .invalid_arg; } result.* = JSC.C.JSObjectDeletePropertyForKey(env, object.asObjectRef(), key.asObjectRef(), null); return .ok; } pub export fn napi_has_own_property(env: napi_env, object: napi_value, key: napi_value, result: *bool) napi_status { if (!object.isObject()) { return .object_expected; } if (!key.isString()) { return .invalid_arg; } result.* = JSC.C.JSObjectHasPropertyForKey(env, object.asObjectRef(), key.asObjectRef(), null); return .ok; } pub export fn napi_set_named_property(env: napi_env, object: napi_value, utf8name: [*c]const u8, value: napi_value) napi_status { if (!object.isObject()) { return .object_expected; } if (utf8name == null) { return .invalid_arg; } const str = std.mem.span(utf8name); if (str.len == 0) return .invalid_arg; var ext = JSC.C.JSStringCreateExternal(utf8name, str.len, null, null); defer JSC.C.JSStringRelease(ext); JSC.C.JSObjectSetProperty(env.ref(), object.asObjectRef, ext, value.asObjectRef(), 0, TODO_EXCEPTION); return .ok; } pub export fn napi_has_named_property(env: napi_env, object: napi_value, utf8name: [*c]const u8, result: *bool) napi_status { if (!object.isObject()) { return .object_expected; } if (utf8name == null) { return .invalid_arg; } const str = std.mem.span(utf8name); if (str.len == 0) return .invalid_arg; var ext = JSC.C.JSStringCreateExternal(utf8name, str.len, null, null); defer JSC.C.JSStringRelease(ext); result.* = JSC.C.JSObjectHasProperty(env.ref(), object.asObjectRef, ext); return .ok; } pub export fn napi_get_named_property(env: napi_env, object: napi_value, utf8name: [*c]const u8, result: *napi_value) napi_status { if (!object.isObject()) { return .object_expected; } if (utf8name == null) { return .invalid_arg; } const str = std.mem.span(utf8name); if (str.len == 0) return .invalid_arg; var ext = JSC.C.JSStringCreateExternal(utf8name, str.len, null, null); defer JSC.C.JSStringRelease(ext); result.* = JSValue.from(JSC.C.JSObjectGetProperty(env.ref(), object.asObjectRef, ext, TODO_EXCEPTION)); return .ok; } pub export fn napi_set_element(env: napi_env, object: napi_value, index: c_uint, value: napi_value) napi_status { if (!object.jsType().isIndexable()) { return .array_expected; } if (value.isEmpty()) return .invalid_arg; JSC.C.JSObjectSetPropertyAtIndex(env.ref(), object.asObjectRef(), index, value, TODO_EXCEPTION); return .ok; } pub export fn napi_has_element(env: napi_env, object: napi_value, index: c_uint, result: *bool) napi_status { if (!object.jsType().isIndexable()) { return .array_expected; } result.* = object.getLengthOfArray(env) > index; return .ok; } pub export fn napi_get_element(env: napi_env, object: napi_value, index: u32, result: *napi_value) napi_status { if (!object.jsType().isIndexable()) { return .array_expected; } result.* = JSC.JSObject.getIndex(object, env, index); return .ok; } pub export fn napi_delete_element(env: napi_env, object: napi_value, index: u32, result: *bool) napi_status { if (!object.jsType().isIndexable()) { return .array_expected; } // TODO: this might be incorrect because I don't know if this API supports numbers, it may only support strings result.* = JSC.C.JSObjectDeleteProperty(env.ref(), object.asObjectRef(), JSC.JSValue.jsNumber(index), TODO_EXCEPTION); return .ok; } pub extern fn napi_define_properties(env: napi_env, object: napi_value, property_count: usize, properties: [*c]const napi_property_descriptor) napi_status; pub export fn napi_is_array(_: napi_env, value: napi_value, result: *bool) napi_status { result.* = value.jsType().isArray(); return .ok; } pub export fn napi_get_array_length(env: napi_env, value: napi_value, result: [*c]u32) napi_status { if (!value.jsType().isArray()) { return .array_expected; } result.* = value.getLengthOfArray(env); return .ok; } pub export fn napi_strict_equals(env: napi_env, lhs: napi_value, rhs: napi_value, result: *bool) napi_status { result.* = lhs.isSameValue(rhs, env); return .ok; } pub export fn napi_call_function(env: napi_env, recv: napi_value, func: napi_value, argc: usize, argv: [*c]const napi_value, result: *napi_value) napi_status { var exception = [_]JSC.C.JSValueRef{null}; result.* = JSValue.c( JSC.C.JSObjectCallAsFunctionReturnValue( env.ref(), func.asObjectRef(), recv.asObjectRef(), argc, @ptrCast([*]const JSC.C.JSValueRef, argv), &exception, ), ); if (exception.* != null) { return .generic_failure; } return .ok; } pub export fn napi_new_instance(env: napi_env, constructor: napi_value, argc: usize, argv: [*c]const napi_value, result: *napi_value) napi_status { var exception = [_]JSC.C.JSValueRef{null}; result.* = JSValue.c( JSC.C.JSObjectCallAsConstructor( env.ref(), constructor.asObjectRef(), argc, @ptrCast([*]const JSC.C.JSValueRef, argv), &exception, ), ); if (exception.* != null) { return .generic_failure; } return .ok; } pub export fn napi_instanceof(env: napi_env, object: napi_value, constructor: napi_value, result: *bool) napi_status { // TODO: does this throw object_expected in node? result.* = object.isInstanceOf(env, constructor); return .ok; } pub extern fn napi_get_cb_info(env: napi_env, cbinfo: napi_callback_info, argc: [*c]usize, argv: *napi_value, this_arg: *napi_value, data: [*]*anyopaque) napi_status; pub extern fn napi_get_new_target(env: napi_env, cbinfo: napi_callback_info, result: *napi_value) napi_status; pub extern fn napi_define_class(env: napi_env, utf8name: [*c]const u8, length: usize, constructor: napi_callback, data: ?*anyopaque, property_count: usize, properties: [*c]const napi_property_descriptor, result: *napi_value) napi_status; pub extern fn napi_wrap(env: napi_env, js_object: napi_value, native_object: ?*anyopaque, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque, result: [*c]napi_ref) napi_status; pub extern fn napi_unwrap(env: napi_env, js_object: napi_value, result: [*]*anyopaque) napi_status; pub extern fn napi_remove_wrap(env: napi_env, js_object: napi_value, result: [*]*anyopaque) napi_status; pub extern fn napi_create_external(env: napi_env, data: ?*anyopaque, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque, result: *napi_value) napi_status; pub extern fn napi_get_value_external(env: napi_env, value: napi_value, result: [*]*anyopaque) napi_status; pub extern fn napi_create_reference(env: napi_env, value: napi_value, initial_refcount: u32, result: [*c]napi_ref) napi_status; pub extern fn napi_delete_reference(env: napi_env, ref: napi_ref) napi_status; pub extern fn napi_reference_ref(env: napi_env, ref: napi_ref, result: [*c]u32) napi_status; pub extern fn napi_reference_unref(env: napi_env, ref: napi_ref, result: [*c]u32) napi_status; pub extern fn napi_get_reference_value(env: napi_env, ref: napi_ref, result: *napi_value) napi_status; // JSC scans the stack // we don't need this pub export fn napi_open_handle_scope(env: napi_env, result: *napi_handle_scope) napi_status { result.* = env; return .ok; } // JSC scans the stack // we don't need this pub export fn napi_close_handle_scope(_: napi_env, _: napi_handle_scope) napi_status { return .ok; } pub extern fn napi_open_escapable_handle_scope(env: napi_env, result: [*c]napi_escapable_handle_scope) napi_status; pub extern fn napi_close_escapable_handle_scope(env: napi_env, scope: napi_escapable_handle_scope) napi_status; pub extern fn napi_escape_handle(env: napi_env, scope: napi_escapable_handle_scope, escapee: napi_value, result: *napi_value) napi_status; pub extern fn napi_throw(env: napi_env, @"error": napi_value) napi_status; pub extern fn napi_throw_error(env: napi_env, code: [*c]const u8, msg: [*c]const u8) napi_status; pub extern fn napi_throw_type_error(env: napi_env, code: [*c]const u8, msg: [*c]const u8) napi_status; pub extern fn napi_throw_range_error(env: napi_env, code: [*c]const u8, msg: [*c]const u8) napi_status; pub export fn napi_is_error(env: napi_env, value: napi_value, result: *bool) napi_status { result.* = value.isAnyError(env); return .ok; } pub extern fn napi_is_exception_pending(env: napi_env, result: *bool) napi_status; pub extern fn napi_get_and_clear_last_exception(env: napi_env, result: *napi_value) napi_status; pub export fn napi_is_arraybuffer(_: napi_env, value: napi_value, result: *bool) napi_status { result.* = !value.isNumber() and value.jsTypeLoose() == .ArrayBuffer; return .ok; } pub export fn napi_create_arraybuffer(env: napi_env, byte_length: usize, data: [*]const u8, result: *napi_value) napi_status { var typed_array = JSC.C.JSObjectMakeTypedArray(env.ref(), .kJSTypedArrayTypeArrayBuffer, byte_length, TODO_EXCEPTION); var array_buffer = JSValue.c(typed_array).asArrayBuffer(env) orelse return .generic_failure; @memcpy(array_buffer.ptr, data, @minimum(array_buffer.len, @truncate(u32, byte_length))); result.* = JSValue.c(typed_array); return .ok; } pub export fn napi_create_external_arraybuffer(env: napi_env, external_data: ?*anyopaque, byte_length: usize, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque, result: *napi_value) napi_status { var external = JSC.ExternalBuffer.create( finalize_hint, @ptrCast([*]u8, external_data).?[0..byte_length], finalize_cb, JSC.VirtualMachine.vm.allocator, ) catch { return .generic_failure; }; result.* = external.toArrayBuffer(env); return .ok; } pub export fn napi_get_arraybuffer_info(env: napi_env, arraybuffer: napi_value, data: *[*]u8, byte_length: *usize) napi_status { const array_buffer = arraybuffer.asArrayBuffer(env) orelse return .arraybuffer_expected; var slice = array_buffer.slice(); data.* = slice.ptr; byte_length.* = slice.len; return .ok; } pub export fn napi_is_typedarray(_: napi_env, value: napi_value, result: *bool) napi_status { result.* = value.jsTypeLoose().isTypedArray(); return .ok; } pub export fn napi_create_typedarray(env: napi_env, @"type": napi_typedarray_type, length: usize, arraybuffer: napi_value, byte_offset: usize, result: *napi_value) napi_status { result.* = JSValue.c( JSC.C.JSObjectMakeTypedArrayWithArrayBufferAndOffset( env.ref(), @"type".toC(), arraybuffer.asObjectRef(), byte_offset, length, TODO_EXCEPTION, ), ); return .ok; } pub export fn napi_get_typedarray_info( env: napi_env, typedarray: napi_value, @"type": *napi_typedarray_type, length: *usize, data: *[*]u8, arraybuffer: *napi_value, byte_offset: *usize, ) napi_status { const array_buffer = arraybuffer.asArrayBuffer(env) orelse return .invalid_arg; @"type" = napi_typedarray_type.fromJSType(array_buffer.typed_array_type) orelse return .invalid_arg; var slice = array_buffer.slice(); data.* = slice.ptr; length.* = slice.len; arraybuffer.* = JSValue.c(JSC.C.JSObjectGetTypedArrayBuffer(env.ref(), typedarray.asObjectRef(), null)); byte_offset.* = array_buffer.offset; return .ok; } pub extern fn napi_create_dataview(env: napi_env, length: usize, arraybuffer: napi_value, byte_offset: usize, result: *napi_value) napi_status; pub export fn napi_is_dataview(_: napi_env, value: napi_value, result: *bool) napi_status { result.* = !value.isEmptyOrUndefinedOrNull() and value.jsTypeLoose() == .DataView; return .ok; } pub export fn napi_get_dataview_info(env: napi_env, dataview: napi_value, bytelength: *usize, data: *?[*]u8, arraybuffer: *napi_value, byte_offset: *usize) napi_status { var array_buffer = dataview.asArrayBuffer(env) orelse return .object_expected; bytelength.* = array_buffer.byte_len; data.* = array_buffer.ptr; // TODO: will this work? will it fail due to being a DataView instead of a TypedArray? arraybuffer.* = JSValue.c(JSC.C.JSObjectGetTypedArrayBuffer(env.ref(), dataview.asObjectRef(), null)); byte_offset.* = array_buffer.offset; return .ok; } pub export fn napi_get_version(_: napi_env, result: [*]u32) napi_status { result[0] = bun.Global.version.major; result[1] = bun.Global.version.minor; result[2] = bun.Global.version.patch; return .ok; } pub export fn napi_create_promise(env: napi_env, deferred: *napi_deferred, promise: *napi_value) napi_status { deferred.* = JSC.JSPromise.create(env); promise.* = deferred.*.asValue(env); return .ok; } pub export fn napi_resolve_deferred(env: napi_env, deferred: napi_deferred, resolution: napi_value) napi_status { deferred.resolve(env, resolution); return .ok; } pub export fn napi_reject_deferred(env: napi_env, deferred: napi_deferred, rejection: napi_value) napi_status { deferred.reject(env, rejection); return .ok; } pub export fn napi_is_promise(_: napi_env, value: napi_value, is_promise: *bool) napi_status { if (value.isEmptyOrUndefinedOrNull()) { is_promise.* = false; return .ok; } is_promise.* = value.asPromise() != null or value.asInternalPromise() != null; return .ok; } pub export fn napi_run_script(env: napi_env, script: napi_value, result: *napi_value) napi_status { // TODO: don't copy var ref = JSC.C.JSValueToStringCopy(env, script.asObjectRef(), TODO_EXCEPTION); defer JSC.C.JSStringRelease(ref); var exception = [_]JSC.C.JSValueRef{null}; const val = JSC.C.JSEvaluateScript(env.ref(), script, env, null, 0, &exception); if (exception[0] != null) { return .generic_failure; } result.* = JSValue.c(val); return .ok; } pub extern fn napi_adjust_external_memory(env: napi_env, change_in_bytes: i64, adjusted_value: [*c]i64) napi_status; pub export fn napi_create_date(env: napi_env, time: f64, result: *napi_value) napi_status { var args = [_]JSC.C.JSValueRef{JSC.JSValue.jsNumber(time)}; result.* = JSC.C.JSObjectMakeDate(env.ref(), 1, &args, TODO_EXCEPTION); return .ok; } pub export fn napi_is_date(_: napi_env, value: napi_value, is_date: *bool) napi_status { is_date.* = value.jsTypeLoose() == .JSDate; return .ok; } pub export fn napi_get_date_value(env: napi_env, value: napi_value, result: *f64) napi_status { const getTimeFunction = value.get(env, "getTime") orelse { return .date_expected; }; result.* = JSValue.c(JSC.C.JSObjectCallAsFunction(env.ref(), getTimeFunction.asObjectRef(), value.asObjectRef, 0, null, TODO_EXCEPTION)).asNumber(); return .ok; } pub extern fn napi_add_finalizer(env: napi_env, js_object: napi_value, native_object: ?*anyopaque, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque, result: [*c]napi_ref) napi_status; pub export fn napi_create_bigint_int64(env: napi_env, value: i64, result: *napi_value) napi_status { result.* = JSC.JSValue.fromInt64NoTruncate(env, value); return .ok; } pub export fn napi_create_bigint_uint64(env: napi_env, value: u64, result: *napi_value) napi_status { result.* = JSC.JSValue.fromUint64NoTruncate(env, value); return .ok; } pub extern fn napi_create_bigint_words(env: napi_env, sign_bit: c_int, word_count: usize, words: [*c]const u64, result: *napi_value) napi_status; // TODO: lossless pub export fn napi_get_value_bigint_int64(_: napi_env, value: napi_value, result: *i64, _: *bool) napi_status { result.* = value.toInt64(); return .ok; } // TODO: lossless pub export fn napi_get_value_bigint_uint64(_: napi_env, value: napi_value, result: *u64, _: *bool) napi_status { result.* = value.toUInt64NoTruncate(); return .ok; } pub extern fn napi_get_value_bigint_words(env: napi_env, value: napi_value, sign_bit: [*c]c_int, word_count: [*c]usize, words: [*c]u64) napi_status; pub extern fn napi_get_all_property_names(env: napi_env, object: napi_value, key_mode: napi_key_collection_mode, key_filter: napi_key_filter, key_conversion: napi_key_conversion, result: *napi_value) napi_status; pub extern fn napi_set_instance_data(env: napi_env, data: ?*anyopaque, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque) napi_status; pub extern fn napi_get_instance_data(env: napi_env, data: [*]*anyopaque) napi_status; pub extern fn napi_detach_arraybuffer(env: napi_env, arraybuffer: napi_value) napi_status; pub extern fn napi_is_detached_arraybuffer(env: napi_env, value: napi_value, result: *bool) napi_status; pub extern fn napi_type_tag_object(env: napi_env, value: napi_value, type_tag: [*c]const napi_type_tag) napi_status; pub extern fn napi_check_object_type_tag(env: napi_env, value: napi_value, type_tag: [*c]const napi_type_tag, result: *bool) napi_status; pub extern fn napi_object_freeze(env: napi_env, object: napi_value) napi_status; pub extern fn napi_object_seal(env: napi_env, object: napi_value) napi_status; pub const struct_napi_async_work__ = opaque {}; const WorkPool = @import("../work_pool.zig").WorkPool; /// must be globally allocated pub const napi_async_work = struct { task: JSC.WorkPoolTask = .{ .callback = runFromThreadPool }, completion_task: ?*anyopaque = null, event_loop: *JSC.VirtualMachine.EventLoop, global: napi_env, execute: napi_async_execute_callback = null, complete: napi_async_complete_callback = null, ctx: ?*anyopaque = null, status: std.atomic.Atomic(u32) = std.atomic.Atomic(u32).init(0), can_deinit: bool = false, wait_for_deinit: bool = false, scheduled: bool = false, pub const Status = enum(u32) { pending = 0, started = 1, completed = 2, cancelled = 3, }; pub fn create(global: napi_env, execute: napi_async_execute_callback, complete: napi_async_complete_callback, ctx: ?*anyopaque) !*napi_async_work { var work = try bun.default_allocator.create(napi_async_work); work.* = .{ .global = global, .execute = execute, .complete = complete, .ctx = ctx, }; return work; } pub fn runFromThreadPool(task: *JSC.WorkPoolTask) void { var this = @fieldParentPtr(napi_async_work, "task", task); this.run(); } pub fn run(this: *napi_async_work) void { if (this.status.compareAndSwap(@enumToInt(Status.pending), @enumToInt(Status.started), .SeqCst, .SeqCst)) |state| { if (state == @enumToInt(Status.cancelled)) { if (this.wait_for_deinit) { // this might cause a segfault due to Task using a linked list! bun.default_allocator.destroy(this); } } return; } this.execute.?(this.global, this.ctx); this.status.store(@enumToInt(Status.completed), .SeqCst); this.event_loop.enqueueTaskConcurrent(JSC.Task.from(JSC.Task.init(this))); } pub fn schedule(this: *napi_async_work) void { if (this.scheduled) return; this.scheduled = true; WorkPool.get().schedule(&this.task); } pub fn cancel(this: *napi_async_work) bool { const prev_status = @intToEnum( Status, this.status.compareAndSwap(@enumToInt(Status.cancelled), @enumToInt(Status.pending), .SeqCst, .SeqCst), ); if (prev_status == Status.pending) { return true; } return false; } pub fn deinit(this: *napi_async_work) void { if (this.can_deinit) { bun.default_allocator.destroy(this); return; } this.wait_for_deinit = true; } pub fn runFromJS(this: *napi_async_work) void { this.complete.?( this.global, if (this.status.load(.SeqCst) == @enumToInt(Status.cancelled)) napi_status.cancelled else napi_status.ok, this.ctx, ); } }; pub const struct_napi_threadsafe_function__ = opaque {}; pub const napi_threadsafe_function = ?*struct_napi_threadsafe_function__; pub const napi_tsfn_release: c_int = 0; pub const napi_tsfn_abort: c_int = 1; pub const napi_threadsafe_function_release_mode = c_uint; pub const napi_tsfn_nonblocking: c_int = 0; pub const napi_tsfn_blocking: c_int = 1; pub const napi_threadsafe_function_call_mode = c_uint; pub const napi_async_execute_callback = ?fn (napi_env, ?*anyopaque) callconv(.C) void; pub const napi_async_complete_callback = ?fn (napi_env, napi_status, ?*anyopaque) callconv(.C) void; pub const napi_threadsafe_function_call_js = ?fn (napi_env, napi_value, ?*anyopaque, ?*anyopaque) callconv(.C) void; pub const napi_node_version = extern struct { major: u32, minor: u32, patch: u32, release: [*c]const u8, pub const global: napi_node_version = .{ .major = 17, .minor = 7, .patch = 17, .release = "Bun!!!", }; }; pub const struct_napi_async_cleanup_hook_handle__ = opaque {}; pub const napi_async_cleanup_hook_handle = ?*struct_napi_async_cleanup_hook_handle__; pub const napi_async_cleanup_hook = ?fn (napi_async_cleanup_hook_handle, ?*anyopaque) callconv(.C) void; pub const struct_uv_loop_s = opaque {}; pub const napi_addon_register_func = ?fn (napi_env, napi_value) callconv(.C) napi_value; pub const struct_napi_module = extern struct { nm_version: c_int, nm_flags: c_uint, nm_filename: [*c]const u8, nm_register_func: napi_addon_register_func, nm_modname: [*c]const u8, nm_priv: ?*anyopaque, reserved: [4]?*anyopaque, }; pub const napi_module = struct_napi_module; pub extern fn napi_module_register(mod: [*c]napi_module) void; pub extern fn napi_fatal_error(location: [*c]const u8, location_len: usize, message: [*c]const u8, message_len: usize) noreturn; pub extern fn napi_async_init(env: napi_env, async_resource: napi_value, async_resource_name: napi_value, result: [*c]napi_async_context) napi_status; pub extern fn napi_async_destroy(env: napi_env, async_context: napi_async_context) napi_status; pub extern fn napi_make_callback(env: napi_env, async_context: napi_async_context, recv: napi_value, func: napi_value, argc: usize, argv: [*c]const napi_value, result: *napi_value) napi_status; pub export fn napi_create_buffer(env: napi_env, length: usize, data: [*]*anyopaque, result: *napi_value) napi_status { var buf = JSC.ExternalBuffer.create(null, @ptrCast([*]u8, data.?)[0..length], env, null, JSC.VirtualMachine.vm.allocator) catch { return .generic_failure; }; result.* = buf.toJS(env); return .ok; } pub export fn napi_create_external_buffer(env: napi_env, length: usize, data: ?*anyopaque, finalize_cb: napi_finalize, finalize_hint: ?*anyopaque, result: *napi_value) napi_status { var buf = JSC.ExternalBuffer.create(finalize_hint, @ptrCast([*]u8, data.?)[0..length], env, finalize_cb, JSC.VirtualMachine.vm.allocator) catch { return .generic_failure; }; result.* = buf.toJS(env); return .ok; } pub export fn napi_create_buffer_copy(env: napi_env, length: usize, data: [*]u8, result_data: ?*?*anyopaque, result: *napi_value) napi_status { var duped = JSC.VirtualMachine.vm.allocator.alloc(u8, data[0..length]) catch { return .generic_failure; }; @memcpy(duped.ptr, data, length); if (result_data) |res| { res.* = duped.ptr; } result.* = JSC.JSValue.createBuffer(env, duped, JSC.VirtualMachine.vm.allocator); return .ok; } pub export fn napi_is_buffer(env: napi_env, value: napi_value, result: *bool) napi_status { result.* = value.isBuffer(env); return .ok; } pub export fn napi_get_buffer_info(env: napi_env, value: napi_value, data: *[*]u8, length: *usize) napi_status { const array_buf = value.asArrayBuffer(env) orelse { // TODO: is invalid_arg what to return here? return .arraybuffer_expected; }; data.* = array_buf.ptr; length.* = array_buf.length; return .ok; } pub export fn napi_create_async_work( env: napi_env, _: napi_value, _: [*:0]const u8, execute: napi_async_execute_callback, complete: napi_async_complete_callback, data: ?*anyopaque, result: *napi_async_work, ) napi_status { result.* = napi_async_work.create(env, execute, complete, data) catch { return .generic_failure; }; return .ok; } pub export fn napi_delete_async_work(env: napi_env, work: *napi_async_work) napi_status { std.debug.assert(env == work.global); work.deinit(); } pub export fn napi_queue_async_work(env: napi_env, work: *napi_async_work) napi_status { std.debug.assert(env == work.global); work.schedule(); return .ok; } pub export fn napi_cancel_async_work(env: napi_env, work: *napi_async_work) napi_status { std.debug.assert(env == work.global); if (work.cancel()) { return .ok; } return napi_status.generic_failure; } pub export fn napi_get_node_version(_: napi_env, version: **const napi_node_version) napi_status { version.* = &napi_node_version.global; return .ok; } pub export fn napi_get_uv_event_loop(_: napi_env, loop: *?*struct_uv_loop_s) napi_status { // lol loop.* = JSC.VirtualMachine.vm.eventLoop(); } pub extern fn napi_fatal_exception(env: napi_env, err: napi_value) napi_status; // We use a linked list here because we assume removing these is relatively rare // and array reallocations are relatively expensive. pub export fn napi_add_env_cleanup_hook(env: napi_env, fun: ?fn (?*anyopaque) callconv(.C) void, arg: ?*anyopaque) napi_status { if (fun == null) return .ok; JSC.VirtualMachine.vm.rareData().pushCleanupHook(env, arg, fun); return .ok; } pub export fn napi_remove_env_cleanup_hook(env: napi_env, fun: ?fn (?*anyopaque) callconv(.C) void, arg: ?*anyopaque) napi_status { if (JSC.VirtualMachine.vm.rare_data == null or fun == null) return .ok; var rare_data = JSC.VirtualMachine.vm.rare_data.?; var hook = rare_data.cleanup_hook orelse return .ok; const cmp = JSC.RareData.CleanupHook.from(env, arg, fun.?); if (hook.eql(cmp)) { JSC.VirtualMachine.vm.allocator.destroy(hook); rare_data.cleanup_hook = null; rare_data.tail_cleanup_hook = null; } while (hook.next) |current| { if (hook.eql(cmp)) { if (current.next) |next| { hook.next = next; } else { hook.next = null; } JSC.VirtualMachine.vm.allocator.destroy(current); return .ok; } hook = current; } return .ok; } pub extern fn napi_open_callback_scope(env: napi_env, resource_object: napi_value, context: napi_async_context, result: [*c]napi_callback_scope) napi_status; pub extern fn napi_close_callback_scope(env: napi_env, scope: napi_callback_scope) napi_status; pub extern fn napi_create_threadsafe_function(env: napi_env, func: napi_value, async_resource: napi_value, async_resource_name: napi_value, max_queue_size: usize, initial_thread_count: usize, thread_finalize_data: ?*anyopaque, thread_finalize_cb: napi_finalize, context: ?*anyopaque, call_js_cb: napi_threadsafe_function_call_js, result: [*c]napi_threadsafe_function) napi_status; pub extern fn napi_get_threadsafe_function_context(func: napi_threadsafe_function, result: [*]*anyopaque) napi_status; pub extern fn napi_call_threadsafe_function(func: napi_threadsafe_function, data: ?*anyopaque, is_blocking: napi_threadsafe_function_call_mode) napi_status; pub extern fn napi_acquire_threadsafe_function(func: napi_threadsafe_function) napi_status; pub extern fn napi_release_threadsafe_function(func: napi_threadsafe_function, mode: napi_threadsafe_function_release_mode) napi_status; pub extern fn napi_unref_threadsafe_function(env: napi_env, func: napi_threadsafe_function) napi_status; pub extern fn napi_ref_threadsafe_function(env: napi_env, func: napi_threadsafe_function) napi_status; pub export fn napi_add_async_cleanup_hook(_: napi_env, _: napi_async_cleanup_hook, _: ?*anyopaque, _: [*c]napi_async_cleanup_hook_handle) napi_status { // TODO: return .ok; } pub export fn napi_remove_async_cleanup_hook(_: napi_async_cleanup_hook_handle) napi_status { // TODO: return .ok; } pub const NAPI_VERSION_EXPERIMENTAL = @import("std").zig.c_translation.promoteIntLiteral(c_int, 2147483647, .decimal); pub const NAPI_VERSION = @as(c_int, 8); pub const NAPI_AUTO_LENGTH = std.math.maxInt(usize); pub const SRC_NODE_API_TYPES_H_ = ""; pub const NAPI_MODULE_VERSION = @as(c_int, 1);