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Add String::New overload for string_view #1706

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Add String::New overload for string_view #1706

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93333fe
Add String::New overload for string_view
cacharle Jan 30, 2026
5b7448e
Add Symbol::New with string_view
cacharle Jan 30, 2026
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16 changes: 16 additions & 0 deletions napi-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,9 @@
#endif // NAPI_HAS_THREADS
#include <type_traits>
#include <utility>
#if __cplusplus >= 201703L
#include <string_view>
#endif

#if defined(__clang__) || defined(__GNUC__)
#define NAPI_NO_SANITIZE_VPTR __attribute__((no_sanitize("vptr")))
Expand Down Expand Up @@ -1255,6 +1258,12 @@ inline String String::New(napi_env env, const std::u16string& val) {
return String::New(env, val.c_str(), val.size());
}

#if __cplusplus >= 201703L
inline String String::New(napi_env env, std::string_view val) {
return String::New(env, val.data(), val.size());
}
#endif

inline String String::New(napi_env env, const char* val) {
// TODO(@gabrielschulhof) Remove if-statement when core's error handling is
// available in all supported versions.
Expand Down Expand Up @@ -1364,6 +1373,13 @@ inline Symbol Symbol::New(napi_env env, const std::string& description) {
return Symbol::New(env, descriptionValue);
}

#if __cplusplus >= 201703L
inline Symbol Symbol::New(napi_env env, std::string_view description) {
napi_value descriptionValue = String::New(env, description);
return Symbol::New(env, descriptionValue);
}
#endif

inline Symbol Symbol::New(napi_env env, String description) {
napi_value descriptionValue = description;
return Symbol::New(env, descriptionValue);
Expand Down
19 changes: 19 additions & 0 deletions napi.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@
#endif // NAPI_HAS_THREADS
#include <string>
#include <vector>
#if __cplusplus >= 201703L
#include <string_view>
#endif

// VS2015 RTM has bugs with constexpr, so require min of VS2015 Update 3 (known
// good version)
Expand Down Expand Up @@ -718,6 +721,13 @@ class String : public Name {
const std::u16string& value ///< UTF-16 encoded C++ string
);

#if __cplusplus >= 201703L
/// Creates a new String value from a UTF-8 encoded C++ string view.
static String New(napi_env env, ///< Node-API environment
std::string_view value ///< UTF-8 encoded C++ string view
);
#endif

/// Creates a new String value from a UTF-8 encoded C string.
static String New(
napi_env env, ///< Node-API environment
Expand Down Expand Up @@ -791,6 +801,15 @@ class Symbol : public Name {
description ///< UTF-8 encoded C++ string describing the symbol
);

#if __cplusplus >= 201703L
/// Creates a new Symbol value with a description.
static Symbol New(
napi_env env, ///< Node-API environment
std::string_view
description ///< UTF-8 encoded C++ string view describing the symbol
);
#endif

/// Creates a new Symbol value with a description.
static Symbol New(napi_env env, ///< Node-API environment
String description ///< String value describing the symbol
Expand Down