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acc2ed2488
Summary: This is only the core C++ part of TurboModule - moving to github to make integration with existing NativeModules system slightly easier. Other bindings for iOS/Android are not yet ready to move. Notes: * TurboModules is not ready to use at the moment. * Build configuration is not yet provided (cocoapods/.xcodeproj/gradle), just like Fabric. * No effort was done to make this lib C++17 strictly compliant yet (there will be in the future). Reviewed By: RSNara Differential Revision: D13551211 fbshipit-source-id: cd3b458e6746ee9218451962ca65b1ad641a32db
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "TurboModuleUtils.h"
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namespace facebook {
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namespace react {
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static jsi::Value deepCopyJSIValue(jsi::Runtime &rt, const jsi::Value &value) {
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if (value.isNull()) {
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return jsi::Value::null();
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}
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if (value.isBool()) {
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return jsi::Value(value.getBool());
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}
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if (value.isNumber()) {
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return jsi::Value(value.getNumber());
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}
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if (value.isString()) {
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return value.getString(rt);
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}
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if (value.isObject()) {
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jsi::Object o = value.getObject(rt);
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if (o.isArray(rt)) {
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return deepCopyJSIArray(rt, o.getArray(rt));
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}
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if (o.isFunction(rt)) {
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return o.getFunction(rt);
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}
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return deepCopyJSIObject(rt, o);
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}
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return jsi::Value::undefined();
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}
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jsi::Object deepCopyJSIObject(jsi::Runtime &rt, const jsi::Object &obj) {
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jsi::Object copy(rt);
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jsi::Array propertyNames = obj.getPropertyNames(rt);
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size_t size = propertyNames.size(rt);
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for (size_t i = 0; i < size; i++) {
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jsi::String name = propertyNames.getValueAtIndex(rt, i).getString(rt);
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jsi::Value value = obj.getProperty(rt, name);
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copy.setProperty(rt, name, deepCopyJSIValue(rt, value));
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}
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return copy;
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}
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jsi::Array deepCopyJSIArray(jsi::Runtime &rt, const jsi::Array &arr) {
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size_t size = arr.size(rt);
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jsi::Array copy(rt, size);
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for (size_t i = 0; i < size; i++) {
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copy.setValueAtIndex(rt, i, deepCopyJSIValue(rt, arr.getValueAtIndex(rt, i)));
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}
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return copy;
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}
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Promise::Promise(jsi::Runtime &rt, jsi::Function resolve, jsi::Function reject)
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: runtime_(rt),
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resolve_(std::move(resolve)),
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reject_(std::move(reject)) {}
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void Promise::resolve(const jsi::Value &result) {
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resolve_.call(runtime_, result);
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}
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void Promise::reject(const std::string &message) {
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jsi::Object error(runtime_);
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error.setProperty(runtime_, "message", jsi::String::createFromUtf8(runtime_, message));
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reject_.call(runtime_, error);
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}
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jsi::Value createPromiseAsJSIValue(jsi::Runtime &rt, const PromiseSetupFunctionType func) {
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jsi::Function JSPromise = rt.global().getPropertyAsFunction(rt, "Promise");
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jsi::Function fn = jsi::Function::createFromHostFunction(
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rt,
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jsi::PropNameID::forAscii(rt, "fn"),
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2,
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[func](jsi::Runtime &rt2, const jsi::Value &thisVal, const jsi::Value *args, size_t count) {
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jsi::Function resolve = args[0].getObject(rt2).getFunction(rt2);
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jsi::Function reject = args[1].getObject(rt2).getFunction(rt2);
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auto wrapper = std::make_shared<Promise>(rt2, std::move(resolve), std::move(reject));
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func(rt2, wrapper);
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return jsi::Value::undefined();
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});
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return JSPromise.callAsConstructor(rt, fn);
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}
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} // namespace react
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} // namespace facebook
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