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commandLineParser.ts
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/// <reference path="sys.ts"/>
/// <reference path="types.ts"/>
/// <reference path="core.ts"/>
/// <reference path="diagnosticInformationMap.generated.ts"/>
/// <reference path="parser.ts"/>
namespace ts {
/* @internal */
export const compileOnSaveCommandLineOption: CommandLineOption = { name: "compileOnSave", type: "boolean" };
/* @internal */
export const optionDeclarations: CommandLineOption[] = [
// CommandLine only options
{
name: "help",
shortName: "h",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Print_this_message,
},
{
name: "help",
shortName: "?",
type: "boolean"
},
{
name: "all",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Show_all_compiler_options,
},
{
name: "version",
shortName: "v",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Print_the_compiler_s_version,
},
{
name: "init",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,
},
{
name: "project",
shortName: "p",
type: "string",
isFilePath: true,
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
paramType: Diagnostics.FILE_OR_DIRECTORY,
description: Diagnostics.Compile_the_project_given_the_path_to_its_configuration_file_or_to_a_folder_with_a_tsconfig_json,
},
{
name: "pretty",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental
},
{
name: "watch",
shortName: "w",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Command_line_Options,
description: Diagnostics.Watch_input_files,
},
// Basic
{
name: "target",
shortName: "t",
type: createMapFromTemplate({
es3: ScriptTarget.ES3,
es5: ScriptTarget.ES5,
es6: ScriptTarget.ES2015,
es2015: ScriptTarget.ES2015,
es2016: ScriptTarget.ES2016,
es2017: ScriptTarget.ES2017,
es2018: ScriptTarget.ES2018,
esnext: ScriptTarget.ESNext,
}),
paramType: Diagnostics.VERSION,
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_ES2018_or_ESNEXT,
},
{
name: "module",
shortName: "m",
type: createMapFromTemplate({
none: ModuleKind.None,
commonjs: ModuleKind.CommonJS,
amd: ModuleKind.AMD,
system: ModuleKind.System,
umd: ModuleKind.UMD,
es6: ModuleKind.ES2015,
es2015: ModuleKind.ES2015,
esnext: ModuleKind.ESNext
}),
paramType: Diagnostics.KIND,
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Specify_module_code_generation_Colon_none_commonjs_amd_system_umd_es2015_or_ESNext,
},
{
name: "lib",
type: "list",
element: {
name: "lib",
type: createMapFromTemplate({
// JavaScript only
"es5": "lib.es5.d.ts",
"es6": "lib.es2015.d.ts",
"es2015": "lib.es2015.d.ts",
"es7": "lib.es2016.d.ts",
"es2016": "lib.es2016.d.ts",
"es2017": "lib.es2017.d.ts",
"es2018": "lib.es2018.d.ts",
"esnext": "lib.esnext.d.ts",
// Host only
"dom": "lib.dom.d.ts",
"dom.iterable": "lib.dom.iterable.d.ts",
"webworker": "lib.webworker.d.ts",
"scripthost": "lib.scripthost.d.ts",
// ES2015 Or ESNext By-feature options
"es2015.core": "lib.es2015.core.d.ts",
"es2015.collection": "lib.es2015.collection.d.ts",
"es2015.generator": "lib.es2015.generator.d.ts",
"es2015.iterable": "lib.es2015.iterable.d.ts",
"es2015.promise": "lib.es2015.promise.d.ts",
"es2015.proxy": "lib.es2015.proxy.d.ts",
"es2015.reflect": "lib.es2015.reflect.d.ts",
"es2015.symbol": "lib.es2015.symbol.d.ts",
"es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts",
"es2016.array.include": "lib.es2016.array.include.d.ts",
"es2017.object": "lib.es2017.object.d.ts",
"es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts",
"es2017.string": "lib.es2017.string.d.ts",
"es2017.intl": "lib.es2017.intl.d.ts",
"es2017.typedarrays": "lib.es2017.typedarrays.d.ts",
"esnext.asynciterable": "lib.esnext.asynciterable.d.ts",
}),
},
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon
},
{
name: "allowJs",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Allow_javascript_files_to_be_compiled
},
{
name: "checkJs",
type: "boolean",
category: Diagnostics.Basic_Options,
description: Diagnostics.Report_errors_in_js_files
},
{
name: "jsx",
type: createMapFromTemplate({
"preserve": JsxEmit.Preserve,
"react-native": JsxEmit.ReactNative,
"react": JsxEmit.React
}),
paramType: Diagnostics.KIND,
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Specify_JSX_code_generation_Colon_preserve_react_native_or_react,
},
{
name: "declaration",
shortName: "d",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Generates_corresponding_d_ts_file,
},
{
name: "sourceMap",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Generates_corresponding_map_file,
},
{
name: "outFile",
type: "string",
isFilePath: true,
paramType: Diagnostics.FILE,
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Concatenate_and_emit_output_to_single_file,
},
{
name: "outDir",
type: "string",
isFilePath: true,
paramType: Diagnostics.DIRECTORY,
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Redirect_output_structure_to_the_directory,
},
{
name: "rootDir",
type: "string",
isFilePath: true,
paramType: Diagnostics.LOCATION,
category: Diagnostics.Basic_Options,
description: Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,
},
{
name: "removeComments",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Do_not_emit_comments_to_output,
},
{
name: "noEmit",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Basic_Options,
description: Diagnostics.Do_not_emit_outputs,
},
{
name: "importHelpers",
type: "boolean",
category: Diagnostics.Basic_Options,
description: Diagnostics.Import_emit_helpers_from_tslib
},
{
name: "downlevelIteration",
type: "boolean",
category: Diagnostics.Basic_Options,
description: Diagnostics.Provide_full_support_for_iterables_in_for_of_spread_and_destructuring_when_targeting_ES5_or_ES3
},
{
name: "isolatedModules",
type: "boolean",
category: Diagnostics.Basic_Options,
description: Diagnostics.Transpile_each_file_as_a_separate_module_similar_to_ts_transpileModule
},
// Strict Type Checks
{
name: "strict",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Enable_all_strict_type_checking_options
},
{
name: "noImplicitAny",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type,
},
{
name: "strictNullChecks",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Enable_strict_null_checks
},
{
name: "strictFunctionTypes",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Enable_strict_checking_of_function_types
},
{
name: "strictPropertyInitialization",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Enable_strict_checking_of_property_initialization_in_classes
},
{
name: "noImplicitThis",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type,
},
{
name: "alwaysStrict",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Strict_Type_Checking_Options,
description: Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file
},
// Additional Checks
{
name: "noUnusedLocals",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Additional_Checks,
description: Diagnostics.Report_errors_on_unused_locals,
},
{
name: "noUnusedParameters",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Additional_Checks,
description: Diagnostics.Report_errors_on_unused_parameters,
},
{
name: "noImplicitReturns",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Additional_Checks,
description: Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
},
{
name: "noFallthroughCasesInSwitch",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Additional_Checks,
description: Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
},
// Module Resolution
{
name: "moduleResolution",
type: createMapFromTemplate({
node: ModuleResolutionKind.NodeJs,
classic: ModuleResolutionKind.Classic,
}),
paramType: Diagnostics.STRATEGY,
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,
},
{
name: "baseUrl",
type: "string",
isFilePath: true,
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Base_directory_to_resolve_non_absolute_module_names
},
{
// this option can only be specified in tsconfig.json
// use type = object to copy the value as-is
name: "paths",
type: "object",
isTSConfigOnly: true,
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.A_series_of_entries_which_re_map_imports_to_lookup_locations_relative_to_the_baseUrl
},
{
// this option can only be specified in tsconfig.json
// use type = object to copy the value as-is
name: "rootDirs",
type: "list",
isTSConfigOnly: true,
element: {
name: "rootDirs",
type: "string",
isFilePath: true
},
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.List_of_root_folders_whose_combined_content_represents_the_structure_of_the_project_at_runtime
},
{
name: "typeRoots",
type: "list",
element: {
name: "typeRoots",
type: "string",
isFilePath: true
},
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.List_of_folders_to_include_type_definitions_from
},
{
name: "types",
type: "list",
element: {
name: "types",
type: "string"
},
showInSimplifiedHelpView: true,
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Type_declaration_files_to_be_included_in_compilation
},
{
name: "allowSyntheticDefaultImports",
type: "boolean",
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
},
{
name: "esModuleInterop",
type: "boolean",
showInSimplifiedHelpView: true,
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Enables_emit_interoperability_between_CommonJS_and_ES_Modules_via_creation_of_namespace_objects_for_all_imports_Implies_allowSyntheticDefaultImports
},
{
name: "preserveSymlinks",
type: "boolean",
category: Diagnostics.Module_Resolution_Options,
description: Diagnostics.Do_not_resolve_the_real_path_of_symlinks,
},
// Source Maps
{
name: "sourceRoot",
type: "string",
isFilePath: true,
paramType: Diagnostics.LOCATION,
category: Diagnostics.Source_Map_Options,
description: Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
},
{
name: "mapRoot",
type: "string",
isFilePath: true,
paramType: Diagnostics.LOCATION,
category: Diagnostics.Source_Map_Options,
description: Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
},
{
name: "inlineSourceMap",
type: "boolean",
category: Diagnostics.Source_Map_Options,
description: Diagnostics.Emit_a_single_file_with_source_maps_instead_of_having_a_separate_file
},
{
name: "inlineSources",
type: "boolean",
category: Diagnostics.Source_Map_Options,
description: Diagnostics.Emit_the_source_alongside_the_sourcemaps_within_a_single_file_requires_inlineSourceMap_or_sourceMap_to_be_set
},
// Experimental
{
name: "experimentalDecorators",
type: "boolean",
category: Diagnostics.Experimental_Options,
description: Diagnostics.Enables_experimental_support_for_ES7_decorators
},
{
name: "emitDecoratorMetadata",
type: "boolean",
category: Diagnostics.Experimental_Options,
description: Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
},
// Advanced
{
name: "jsxFactory",
type: "string",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h
},
{
name: "diagnostics",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Show_diagnostic_information
},
{
name: "extendedDiagnostics",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Show_verbose_diagnostic_information
},
{
name: "traceResolution",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Enable_tracing_of_the_name_resolution_process
},
{
name: "listFiles",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Print_names_of_files_part_of_the_compilation
},
{
name: "listEmittedFiles",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Print_names_of_generated_files_part_of_the_compilation
},
{
name: "out",
type: "string",
isFilePath: false, // This is intentionally broken to support compatability with existing tsconfig files
// for correct behaviour, please use outFile
category: Diagnostics.Advanced_Options,
paramType: Diagnostics.FILE,
description: Diagnostics.Deprecated_Use_outFile_instead_Concatenate_and_emit_output_to_single_file,
},
{
name: "reactNamespace",
type: "string",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Deprecated_Use_jsxFactory_instead_Specify_the_object_invoked_for_createElement_when_targeting_react_JSX_emit
},
{
name: "skipDefaultLibCheck",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Deprecated_Use_skipLibCheck_instead_Skip_type_checking_of_default_library_declaration_files
},
{
name: "charset",
type: "string",
category: Diagnostics.Advanced_Options,
description: Diagnostics.The_character_set_of_the_input_files
},
{
name: "emitBOM",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Emit_a_UTF_8_Byte_Order_Mark_BOM_in_the_beginning_of_output_files
},
{
name: "locale",
type: "string",
category: Diagnostics.Advanced_Options,
description: Diagnostics.The_locale_used_when_displaying_messages_to_the_user_e_g_en_us
},
{
name: "newLine",
type: createMapFromTemplate({
crlf: NewLineKind.CarriageReturnLineFeed,
lf: NewLineKind.LineFeed
}),
paramType: Diagnostics.NEWLINE,
category: Diagnostics.Advanced_Options,
description: Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
},
{
name: "noErrorTruncation",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_truncate_error_messages
},
{
name: "noLib",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_include_the_default_library_file_lib_d_ts
},
{
name: "noResolve",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_add_triple_slash_references_or_imported_modules_to_the_list_of_compiled_files
},
{
name: "stripInternal",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
},
{
name: "disableSizeLimit",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Disable_size_limitations_on_JavaScript_projects
},
{
name: "noImplicitUseStrict",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_emit_use_strict_directives_in_module_output
},
{
name: "noEmitHelpers",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_generate_custom_helper_functions_like_extends_in_compiled_output
},
{
name: "noEmitOnError",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,
},
{
name: "preserveConstEnums",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
},
{
name: "declarationDir",
type: "string",
isFilePath: true,
paramType: Diagnostics.DIRECTORY,
category: Diagnostics.Advanced_Options,
description: Diagnostics.Output_directory_for_generated_declaration_files
},
{
name: "skipLibCheck",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Skip_type_checking_of_declaration_files,
},
{
name: "allowUnusedLabels",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_report_errors_on_unused_labels
},
{
name: "allowUnreachableCode",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Do_not_report_errors_on_unreachable_code
},
{
name: "suppressExcessPropertyErrors",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Suppress_excess_property_checks_for_object_literals,
},
{
name: "suppressImplicitAnyIndexErrors",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,
},
{
name: "forceConsistentCasingInFileNames",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
},
{
name: "maxNodeModuleJsDepth",
type: "number",
category: Diagnostics.Advanced_Options,
description: Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files
},
{
name: "noStrictGenericChecks",
type: "boolean",
category: Diagnostics.Advanced_Options,
description: Diagnostics.Disable_strict_checking_of_generic_signatures_in_function_types,
},
{
// A list of plugins to load in the language service
name: "plugins",
type: "list",
isTSConfigOnly: true,
element: {
name: "plugin",
type: "object"
},
description: Diagnostics.List_of_language_service_plugins
}
];
/* @internal */
export const typeAcquisitionDeclarations: CommandLineOption[] = [
{
/* @deprecated typingOptions.enableAutoDiscovery
* Use typeAcquisition.enable instead.
*/
name: "enableAutoDiscovery",
type: "boolean",
},
{
name: "enable",
type: "boolean",
},
{
name: "include",
type: "list",
element: {
name: "include",
type: "string"
}
},
{
name: "exclude",
type: "list",
element: {
name: "exclude",
type: "string"
}
}
];
/* @internal */
export interface OptionNameMap {
optionNameMap: Map<CommandLineOption>;
shortOptionNames: Map<string>;
}
/* @internal */
export const defaultInitCompilerOptions: CompilerOptions = {
module: ModuleKind.CommonJS,
target: ScriptTarget.ES5,
strict: true,
esModuleInterop: true
};
let optionNameMapCache: OptionNameMap;
/* @internal */
export function convertEnableAutoDiscoveryToEnable(typeAcquisition: TypeAcquisition): TypeAcquisition {
// Convert deprecated typingOptions.enableAutoDiscovery to typeAcquisition.enable
if (typeAcquisition && typeAcquisition.enableAutoDiscovery !== undefined && typeAcquisition.enable === undefined) {
return {
enable: typeAcquisition.enableAutoDiscovery,
include: typeAcquisition.include || [],
exclude: typeAcquisition.exclude || []
};
}
return typeAcquisition;
}
function getOptionNameMap(): OptionNameMap {
if (optionNameMapCache) {
return optionNameMapCache;
}
const optionNameMap = createMap<CommandLineOption>();
const shortOptionNames = createMap<string>();
forEach(optionDeclarations, option => {
optionNameMap.set(option.name.toLowerCase(), option);
if (option.shortName) {
shortOptionNames.set(option.shortName, option.name);
}
});
optionNameMapCache = { optionNameMap, shortOptionNames };
return optionNameMapCache;
}
/* @internal */
export function createCompilerDiagnosticForInvalidCustomType(opt: CommandLineOptionOfCustomType): Diagnostic {
return createDiagnosticForInvalidCustomType(opt, createCompilerDiagnostic);
}
function createDiagnosticForInvalidCustomType(opt: CommandLineOptionOfCustomType, createDiagnostic: (message: DiagnosticMessage, arg0: string, arg1: string) => Diagnostic): Diagnostic {
const namesOfType = arrayFrom(opt.type.keys()).map(key => `'${key}'`).join(", ");
return createDiagnostic(Diagnostics.Argument_for_0_option_must_be_Colon_1, `--${opt.name}`, namesOfType);
}
/* @internal */
export function parseCustomTypeOption(opt: CommandLineOptionOfCustomType, value: string, errors: Push<Diagnostic>) {
return convertJsonOptionOfCustomType(opt, trimString(value || ""), errors);
}
/* @internal */
export function parseListTypeOption(opt: CommandLineOptionOfListType, value = "", errors: Push<Diagnostic>): (string | number)[] | undefined {
value = trimString(value);
if (startsWith(value, "-")) {
return undefined;
}
if (value === "") {
return [];
}
const values = value.split(",");
switch (opt.element.type) {
case "number":
return map(values, parseInt);
case "string":
return map(values, v => v || "");
default:
return filter(map(values, v => parseCustomTypeOption(<CommandLineOptionOfCustomType>opt.element, v, errors)), v => !!v);
}
}
export function parseCommandLine(commandLine: ReadonlyArray<string>, readFile?: (path: string) => string | undefined): ParsedCommandLine {
const options: CompilerOptions = {};
const fileNames: string[] = [];
const errors: Diagnostic[] = [];
parseStrings(commandLine);
return {
options,
fileNames,
errors
};
function parseStrings(args: ReadonlyArray<string>) {
let i = 0;
while (i < args.length) {
const s = args[i];
i++;
if (s.charCodeAt(0) === CharacterCodes.at) {
parseResponseFile(s.slice(1));
}
else if (s.charCodeAt(0) === CharacterCodes.minus) {
const opt = getOptionFromName(s.slice(s.charCodeAt(1) === CharacterCodes.minus ? 2 : 1), /*allowShort*/ true);
if (opt) {
if (opt.isTSConfigOnly) {
errors.push(createCompilerDiagnostic(Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name));
}
else {
// Check to see if no argument was provided (e.g. "--locale" is the last command-line argument).
if (!args[i] && opt.type !== "boolean") {
errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
}
switch (opt.type) {
case "number":
options[opt.name] = parseInt(args[i]);
i++;
break;
case "boolean":
// boolean flag has optional value true, false, others
const optValue = args[i];
options[opt.name] = optValue !== "false";
// consume next argument as boolean flag value
if (optValue === "false" || optValue === "true") {
i++;
}
break;
case "string":
options[opt.name] = args[i] || "";
i++;
break;
case "list":
const result = parseListTypeOption(<CommandLineOptionOfListType>opt, args[i], errors);
options[opt.name] = result || [];
if (result) {
i++;
}
break;
// If not a primitive, the possible types are specified in what is effectively a map of options.
default:
options[opt.name] = parseCustomTypeOption(<CommandLineOptionOfCustomType>opt, args[i], errors);
i++;
break;
}
}
}
else {
errors.push(createCompilerDiagnostic(Diagnostics.Unknown_compiler_option_0, s));
}
}
else {
fileNames.push(s);
}
}
}
function parseResponseFile(fileName: string) {
const text = readFile ? readFile(fileName) : sys.readFile(fileName);
if (!text) {
errors.push(createCompilerDiagnostic(Diagnostics.File_0_not_found, fileName));
return;
}
const args: string[] = [];
let pos = 0;
while (true) {
while (pos < text.length && text.charCodeAt(pos) <= CharacterCodes.space) pos++;
if (pos >= text.length) break;
const start = pos;
if (text.charCodeAt(start) === CharacterCodes.doubleQuote) {
pos++;
while (pos < text.length && text.charCodeAt(pos) !== CharacterCodes.doubleQuote) pos++;
if (pos < text.length) {
args.push(text.substring(start + 1, pos));
pos++;
}
else {
errors.push(createCompilerDiagnostic(Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
}
}
else {
while (text.charCodeAt(pos) > CharacterCodes.space) pos++;
args.push(text.substring(start, pos));
}
}
parseStrings(args);
}
}
function getOptionFromName(optionName: string, allowShort = false): CommandLineOption | undefined {
optionName = optionName.toLowerCase();
const { optionNameMap, shortOptionNames } = getOptionNameMap();
// Try to translate short option names to their full equivalents.
if (allowShort) {
const short = shortOptionNames.get(optionName);
if (short !== undefined) {
optionName = short;
}
}
return optionNameMap.get(optionName);
}
/**
* Read tsconfig.json file
* @param fileName The path to the config file
*/
export function readConfigFile(fileName: string, readFile: (path: string) => string | undefined): { config?: any; error?: Diagnostic } {
const textOrDiagnostic = tryReadFile(fileName, readFile);
return isString(textOrDiagnostic) ? parseConfigFileTextToJson(fileName, textOrDiagnostic) : { config: {}, error: textOrDiagnostic };
}
/**
* Parse the text of the tsconfig.json file
* @param fileName The path to the config file
* @param jsonText The text of the config file
*/
export function parseConfigFileTextToJson(fileName: string, jsonText: string): { config?: any; error?: Diagnostic } {
const jsonSourceFile = parseJsonText(fileName, jsonText);
return {
config: convertToObject(jsonSourceFile, jsonSourceFile.parseDiagnostics),
error: jsonSourceFile.parseDiagnostics.length ? jsonSourceFile.parseDiagnostics[0] : undefined
};
}
/**
* Read tsconfig.json file
* @param fileName The path to the config file
*/
export function readJsonConfigFile(fileName: string, readFile: (path: string) => string | undefined): JsonSourceFile {
const textOrDiagnostic = tryReadFile(fileName, readFile);
return isString(textOrDiagnostic) ? parseJsonText(fileName, textOrDiagnostic) : <JsonSourceFile>{ parseDiagnostics: [textOrDiagnostic] };
}
function tryReadFile(fileName: string, readFile: (path: string) => string | undefined): string | Diagnostic {
let text: string | undefined;
try {
text = readFile(fileName);
}
catch (e) {
return createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message);
}
return text === undefined ? createCompilerDiagnostic(Diagnostics.The_specified_path_does_not_exist_Colon_0, fileName) : text;
}
function commandLineOptionsToMap(options: ReadonlyArray<CommandLineOption>) {
return arrayToMap(options, option => option.name);
}
let _tsconfigRootOptions: Map<CommandLineOption>;
function getTsconfigRootOptionsMap() {
if (_tsconfigRootOptions === undefined) {
_tsconfigRootOptions = commandLineOptionsToMap([
{
name: "compilerOptions",
type: "object",
elementOptions: commandLineOptionsToMap(optionDeclarations),
extraKeyDiagnosticMessage: Diagnostics.Unknown_compiler_option_0
},
{
name: "typingOptions",
type: "object",
elementOptions: commandLineOptionsToMap(typeAcquisitionDeclarations),
extraKeyDiagnosticMessage: Diagnostics.Unknown_type_acquisition_option_0
},
{
name: "typeAcquisition",
type: "object",
elementOptions: commandLineOptionsToMap(typeAcquisitionDeclarations),
extraKeyDiagnosticMessage: Diagnostics.Unknown_type_acquisition_option_0
},
{
name: "extends",
type: "string"
},
{
name: "files",
type: "list",
element: {
name: "files",
type: "string"
}
},
{
name: "include",
type: "list",
element: {
name: "include",
type: "string"
}
},
{
name: "exclude",
type: "list",
element: {
name: "exclude",
type: "string"
}