luau/Config/include/Luau/Config.h

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once

#include "Luau/LinterConfig.h"
#include "Luau/ParseOptions.h"

#include <optional>
#include <string>
#include <unordered_map>
#include <vector>

namespace Luau
{

using ModuleName = std::string;

constexpr const char* kConfigName = ".luaurc";

struct Config
{
    Config();

    Mode mode = Mode::Nonstrict;

    ParseOptions parseOptions;

    LintOptions enabledLint;
    LintOptions fatalLint;

    bool lintErrors = false;
    bool typeErrors = true;

    std::vector<std::string> globals;

    std::unordered_map<std::string, std::string> aliases;
};

struct ConfigResolver
{
    virtual ~ConfigResolver() {}

    virtual const Config& getConfig(const ModuleName& name) const = 0;
};

struct NullConfigResolver : ConfigResolver
{
    Config defaultConfig;

    virtual const Config& getConfig(const ModuleName& name) const override;
};

std::optional<std::string> parseModeString(Mode& mode, const std::string& modeString, bool compat = false);
std::optional<std::string> parseLintRuleString(
    LintOptions& enabledLints,
    LintOptions& fatalLints,
    const std::string& warningName,
    const std::string& value,
    bool compat = false
);

bool isValidAlias(const std::string& alias);

std::optional<std::string> parseConfig(const std::string& contents, Config& config, bool compat = false);

} // namespace Luau