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[TS] Generate entry point module (#6674)

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This commit is contained in:
Björn Harrtell
2021-06-01 18:09:55 +02:00
committed by GitHub
parent bec23700fc
commit eabdbda755
6 changed files with 109 additions and 29 deletions
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93
src/idl_gen_ts.cpp
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@@ -29,7 +29,10 @@ namespace flatbuffers {
struct ImportDefinition {
std::string name;
std::string statement;
std::string import_statement;
std::string export_statement;
std::string bare_file_path;
std::string rel_file_path;
const Definition *dependent;
const Definition *dependency;
};
@@ -49,6 +52,7 @@ class TsGenerator : public BaseGenerator {
bool generate() {
generateEnums();
generateStructs();
generateEntry();
return true;
}
@@ -62,12 +66,12 @@ class TsGenerator : public BaseGenerator {
"// " + std::string(FlatBuffersGeneratedWarning()) + "\n\n";
for (auto it = bare_imports.begin(); it != bare_imports.end(); it++)
code += it->second.statement + "\n";
code += it->second.import_statement + "\n";
if (!bare_imports.empty()) code += "\n";
for (auto it = imports.begin(); it != imports.end(); it++)
if (it->second.dependency != &definition) // do not import itself
code += it->second.statement + "\n";
code += it->second.import_statement + "\n";
if (!imports.empty()) code += "\n\n";
code += classcode;
@@ -77,6 +81,8 @@ class TsGenerator : public BaseGenerator {
}
private:
import_set imports_all_;
// Generate code for all enums.
void generateEnums() {
for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end();
@@ -88,6 +94,7 @@ class TsGenerator : public BaseGenerator {
GenEnum(enum_def, &enumcode, imports, false);
GenEnum(enum_def, &enumcode, imports, true);
SaveType(enum_def, enumcode, imports, bare_imports);
imports_all_.insert(imports.begin(), imports.end());
}
}
@@ -102,9 +109,19 @@ class TsGenerator : public BaseGenerator {
std::string declcode;
GenStruct(parser_, struct_def, &declcode, imports);
SaveType(struct_def, declcode, imports, bare_imports);
imports_all_.insert(imports.begin(), imports.end());
}
}
// Generate code for a single entry point module.
void generateEntry() {
std::string code;
for (auto it = imports_all_.begin(); it != imports_all_.end(); it++)
code += it->second.export_statement + "\n";
std::string path = "./" + path_ + file_name_ + ".ts";
SaveFile(path.c_str(), code, false);
}
// Generate a documentation comment, if available.
static void GenDocComment(const std::vector<std::string> &dc,
std::string *code_ptr,
@@ -465,30 +482,40 @@ class TsGenerator : public BaseGenerator {
}
}
std::string import_statement;
std::string export_statement;
import_statement += "import { ";
export_statement += "export { ";
std::string symbols_expression;
if (long_import_name.empty()) {
import_statement += import_name;
symbols_expression += import_name;
if (parser_.opts.generate_object_based_api)
import_statement += ", " + import_name + "T";
symbols_expression += ", " + import_name + "T";
} else {
import_statement += dependency.name + " as " + long_import_name;
symbols_expression += dependency.name + " as " + long_import_name;
if (parser_.opts.generate_object_based_api)
import_statement +=
symbols_expression +=
", " + dependency.name + "T as " + long_import_name + "T";
}
import_statement += " } from '";
std::string file_name;
import_statement += symbols_expression + " } from '";
export_statement += symbols_expression + " } from '";
std::string bare_file_path;
std::string rel_file_path;
const auto &dep_comps = dependent.defined_namespace->components;
for (size_t i = 0; i < dep_comps.size(); i++)
file_name += i == 0 ? ".." : (kPathSeparator + std::string(".."));
if (dep_comps.size() == 0) file_name += ".";
rel_file_path += i == 0 ? ".." : (kPathSeparator + std::string(".."));
if (dep_comps.size() == 0) rel_file_path += ".";
for (auto it = depc_comps.begin(); it != depc_comps.end(); it++)
file_name += kPathSeparator + ToDasherizedCase(*it);
file_name += kPathSeparator + ToDasherizedCase(dependency.name);
import_statement += file_name + "';";
bare_file_path += kPathSeparator + ToDasherizedCase(*it);
bare_file_path += kPathSeparator + ToDasherizedCase(dependency.name);
rel_file_path += bare_file_path;
import_statement += rel_file_path + "';";
export_statement += "." + bare_file_path + "';";
ImportDefinition import;
import.name = long_import_name.empty() ? import_name : long_import_name;
import.statement = import_statement;
import.bare_file_path = bare_file_path;
import.rel_file_path = rel_file_path;
import.import_statement = import_statement;
import.export_statement = export_statement;
import.dependency = &dependency;
import.dependent = &dependent;
imports.insert(std::make_pair(unique_name, import));
@@ -514,28 +541,38 @@ class TsGenerator : public BaseGenerator {
}
}
std::string import_statement;
std::string export_statement;
import_statement += "import { ";
export_statement += "export { ";
std::string symbols_expression;
if (long_import_name.empty())
import_statement += import_name;
symbols_expression += import_name;
else
import_statement += dependency.name + " as " + long_import_name;
symbols_expression += dependency.name + " as " + long_import_name;
if (dependency.is_union) {
import_statement += ", unionTo" + import_name;
import_statement += ", unionListTo" + import_name;
symbols_expression += ", unionTo" + import_name;
symbols_expression += ", unionListTo" + import_name;
}
import_statement += " } from '";
std::string file_name;
import_statement += symbols_expression + " } from '";
export_statement += symbols_expression + " } from '";
std::string bare_file_path;
std::string rel_file_path;
const auto &dep_comps = dependent.defined_namespace->components;
for (size_t i = 0; i < dep_comps.size(); i++)
file_name += i == 0 ? ".." : (kPathSeparator + std::string(".."));
if (dep_comps.size() == 0) file_name += ".";
rel_file_path += i == 0 ? ".." : (kPathSeparator + std::string(".."));
if (dep_comps.size() == 0) rel_file_path += ".";
for (auto it = depc_comps.begin(); it != depc_comps.end(); it++)
file_name += kPathSeparator + ToDasherizedCase(*it);
file_name += kPathSeparator + ToDasherizedCase(dependency.name);
import_statement += file_name + "';";
bare_file_path += kPathSeparator + ToDasherizedCase(*it);
bare_file_path += kPathSeparator + ToDasherizedCase(dependency.name);
rel_file_path += bare_file_path;
import_statement += rel_file_path + "';";
export_statement += "." + bare_file_path + "';";
ImportDefinition import;
import.name = long_import_name.empty() ? import_name : long_import_name;
import.statement = import_statement;
import.bare_file_path = bare_file_path;
import.rel_file_path = rel_file_path;
import.import_statement = import_statement;
import.export_statement = export_statement;
import.dependency = &dependency;
import.dependent = &dependent;
imports.insert(std::make_pair(unique_name, import));
@@ -546,7 +583,7 @@ class TsGenerator : public BaseGenerator {
std::string fileName) {
ImportDefinition import;
import.name = import_name;
import.statement = "import " + import_name + " from '" + fileName + "';";
import.import_statement = "import " + import_name + " from '" + fileName + "';";
imports.insert(std::make_pair(import_name, import));
}