Function resolveModuleName

test/fixtures/snapshot/typescript.js:43020–43107

(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode)

    }
    ts.resolveModuleNameFromCache = resolveModuleNameFromCache;
    function resolveModuleName(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode) {
        var traceEnabled = isTraceEnabled(compilerOptions, host);
        if (redirectedReference) {
            compilerOptions = redirectedReference.commandLine.options;
        }
        if (traceEnabled) {
            trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile);
            if (redirectedReference) {
                trace(host, ts.Diagnostics.Using_compiler_options_of_project_reference_redirect_0, redirectedReference.sourceFile.fileName);
            }
        }
        var containingDirectory = ts.getDirectoryPath(containingFile);
        var perFolderCache = cache && cache.getOrCreateCacheForDirectory(containingDirectory, redirectedReference);
        var result = perFolderCache && perFolderCache.get(moduleName, resolutionMode);
        if (result) {
            if (traceEnabled) {
                trace(host, ts.Diagnostics.Resolution_for_module_0_was_found_in_cache_from_location_1, moduleName, containingDirectory);
            }
        }
        else {
            var moduleResolution = compilerOptions.moduleResolution;
            if (moduleResolution === undefined) {
                switch (ts.getEmitModuleKind(compilerOptions)) {
                    case ts.ModuleKind.CommonJS:
                        moduleResolution = ts.ModuleResolutionKind.NodeJs;
                        break;
                    case ts.ModuleKind.Node16:
                        moduleResolution = ts.ModuleResolutionKind.Node16;
                        break;
                    case ts.ModuleKind.NodeNext:
                        moduleResolution = ts.ModuleResolutionKind.NodeNext;
                        break;
                    default:
                        moduleResolution = ts.ModuleResolutionKind.Classic;
                        break;
                }
                if (traceEnabled) {
                    trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]);
                }
            }
            else {
                if (traceEnabled) {
                    trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]);
                }
            }
            ts.perfLogger.logStartResolveModule(moduleName /* , containingFile, ModuleResolutionKind[moduleResolution]*/);
            switch (moduleResolution) {
                case ts.ModuleResolutionKind.Node16:
                    result = node16ModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode);
                    break;
                case ts.ModuleResolutionKind.NodeNext:
                    result = nodeNextModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference, resolutionMode);
                    break;
                case ts.ModuleResolutionKind.NodeJs:
                    result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference);
                    break;
                case ts.ModuleResolutionKind.Classic:
                    result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache, redirectedReference);