73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include "JSDeltaBundleClient.h"
|
|
|
|
#include <sstream>
|
|
|
|
#include <folly/Memory.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
namespace {
|
|
std::string startupCode(const folly::dynamic *pre, const folly::dynamic *post) {
|
|
std::ostringstream startupCode;
|
|
|
|
for (auto section : {pre, post}) {
|
|
if (section != nullptr) {
|
|
for (folly::dynamic pair : *section) {
|
|
startupCode << pair[1].getString() << '\n';
|
|
}
|
|
}
|
|
}
|
|
|
|
return startupCode.str();
|
|
}
|
|
} // namespace
|
|
|
|
void JSDeltaBundleClient::patch(const folly::dynamic& delta) {
|
|
auto const reset = delta.get_ptr("reset");
|
|
if (reset != nullptr && reset->asBool()) {
|
|
clear();
|
|
}
|
|
|
|
auto const pre = delta.get_ptr("pre");
|
|
auto const post = delta.get_ptr("post");
|
|
|
|
if ((pre != nullptr && pre->size() > 0) || (post != nullptr && post->size() > 0)) {
|
|
startupCode_ = startupCode(pre, post);
|
|
}
|
|
|
|
const folly::dynamic *modules = delta.get_ptr("delta");
|
|
if (modules != nullptr) {
|
|
for (const folly::dynamic pair : *modules) {
|
|
auto id = pair[0].getInt();
|
|
auto module = pair[1];
|
|
if (module.isNull()) {
|
|
modules_.erase(id);
|
|
} else {
|
|
modules_.emplace(id, module.getString());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
JSModulesUnbundle::Module JSDeltaBundleClient::getModule(uint32_t moduleId) const {
|
|
auto search = modules_.find(moduleId);
|
|
if (search != modules_.end()) {
|
|
return {folly::to<std::string>(search->first, ".js"), search->second};
|
|
}
|
|
|
|
throw JSModulesUnbundle::ModuleNotFound(moduleId);
|
|
}
|
|
|
|
std::unique_ptr<const JSBigString> JSDeltaBundleClient::getStartupCode() const {
|
|
return folly::make_unique<JSBigStdString>(startupCode_);
|
|
}
|
|
|
|
void JSDeltaBundleClient::clear() {
|
|
modules_.clear();
|
|
startupCode_.clear();
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|