3 #include "custom_importer_bridge.h"
4 #include "create_string.h"
6 SassImportList CustomImporterBridge::post_process_return_value(v8::Local<v8::Value> returned_value) const {
7 SassImportList imports = 0;
8 Nan::HandleScope scope;
10 if (returned_value->IsArray()) {
11 v8::Local<v8::Array> array = returned_value.As<v8::Array>();
13 imports = sass_make_import_list(array->Length());
15 for (size_t i = 0; i < array->Length(); ++i) {
16 v8::Local<v8::Value> value = Nan::Get(array, static_cast<uint32_t>(i)).ToLocalChecked();
18 if (!value->IsObject()) {
19 auto entry = sass_make_import_entry(0, 0, 0);
20 sass_import_set_error(entry, "returned array must only contain object literals", -1, -1);
24 v8::Local<v8::Object> object = value.As<v8::Object>();
26 if (value->IsNativeError()) {
27 char* message = create_string(Nan::Get(object, Nan::New<v8::String>("message").ToLocalChecked()));
29 imports[i] = sass_make_import_entry(0, 0, 0);
31 sass_import_set_error(imports[i], message, -1, -1);
34 imports[i] = get_importer_entry(object);
38 else if (returned_value->IsNativeError()) {
39 imports = sass_make_import_list(1);
40 v8::Local<v8::Object> object = returned_value.As<v8::Object>();
41 char* message = create_string(Nan::Get(object, Nan::New<v8::String>("message").ToLocalChecked()));
43 imports[0] = sass_make_import_entry(0, 0, 0);
45 sass_import_set_error(imports[0], message, -1, -1);
47 else if (returned_value->IsObject()) {
48 imports = sass_make_import_list(1);
49 imports[0] = get_importer_entry(returned_value.As<v8::Object>());
55 Sass_Import* CustomImporterBridge::check_returned_string(Nan::MaybeLocal<v8::Value> value, const char *msg) const
57 v8::Local<v8::Value> checked;
58 if (value.ToLocal(&checked)) {
59 if (!checked->IsUndefined() && !checked->IsString()) {
66 auto entry = sass_make_import_entry(0, 0, 0);
67 sass_import_set_error(entry, msg, -1, -1);
71 Sass_Import* CustomImporterBridge::get_importer_entry(const v8::Local<v8::Object>& object) const {
72 auto returned_file = Nan::Get(object, Nan::New<v8::String>("file").ToLocalChecked());
73 auto returned_contents = Nan::Get(object, Nan::New<v8::String>("contents").ToLocalChecked()).ToLocalChecked();
74 auto returned_map = Nan::Get(object, Nan::New<v8::String>("map").ToLocalChecked());
77 if ((err = check_returned_string(returned_file, "returned value of `file` must be a string")))
80 if ((err = check_returned_string(returned_contents, "returned value of `contents` must be a string")))
83 if ((err = check_returned_string(returned_map, "returned value of `returned_map` must be a string")))
86 char* path = create_string(returned_file);
87 char* contents = create_string(returned_contents);
88 char* srcmap = create_string(returned_map);
90 return sass_make_import_entry(path, contents, srcmap);
93 std::vector<v8::Local<v8::Value>> CustomImporterBridge::pre_process_args(std::vector<void*> in) const {
94 std::vector<v8::Local<v8::Value>> out;
96 for (void* ptr : in) {
97 out.push_back(Nan::New<v8::String>((char const*)ptr).ToLocalChecked());