Function getLuaLibExportToFeatureMap

src/LuaLib.ts:158–174

(
    luaTarget: LuaTarget,
    emitHost: EmitHost
)

const lualibExportToFeature = new Map<LuaTarget, ReadonlyMap<string, LuaLibFeature>>();

export function getLuaLibExportToFeatureMap(
    luaTarget: LuaTarget,
    emitHost: EmitHost
): ReadonlyMap<string, LuaLibFeature> {
    if (!lualibExportToFeature.has(luaTarget)) {
        const luaLibModulesInfo = getLuaLibModulesInfo(luaTarget, emitHost);
        const map = new Map<string, LuaLibFeature>();
        for (const [feature, info] of Object.entries(luaLibModulesInfo)) {
            for (const exportName of info.exports) {
                map.set(exportName, feature as LuaLibFeature);
            }
        }
        lualibExportToFeature.set(luaTarget, map);
    }

    return lualibExportToFeature.get(luaTarget)!;
}

const lualibFeatureCache = new Map<LuaTarget, Map<LuaLibFeature, string>>();