TypeScript/src/compiler/commandLineParser.ts at master · killercup/TypeScript · GitHub

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/// <reference path="sys.ts"/>

/// <reference path="types.ts"/>

/// <reference path="core.ts"/>

/// <reference path="diagnosticInformationMap.generated.ts"/>

/// <reference path="scanner.ts"/>

namespace ts {

/* @internal */

export const compileOnSaveCommandLineOption: CommandLineOption = { name: "compileOnSave", type: "boolean" };

/* @internal */

export const optionDeclarations: CommandLineOption[] = [

{

type: "string",

compileOnSaveCommandLineOption,

{

shortName: "d",

type: "boolean",

description: Diagnostics.Generates_corresponding_d_ts_file,

{

type: "string",

isFilePath: true,

paramType: Diagnostics.DIRECTORY,

{

type: "boolean",

{

type: "boolean",

experimental: true

{

type: "boolean"

{

shortName: "h",

type: "boolean",

description: Diagnostics.Print_this_message,

{

shortName: "?",

type: "boolean"

{

type: "boolean",

description: Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,

{

type: "boolean",

{

type: "boolean",

{

type: createMap({

"preserve": JsxEmit.Preserve,

"react": JsxEmit.React

}),

paramType: Diagnostics.KIND,

description: Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react,

{

type: "string",

description: Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit

{

type: "string",

description: Diagnostics.Specify_the_JSX_factory_function_to_use_when_targeting_react_JSX_emit_e_g_React_createElement_or_h

{

type: "boolean",

{

type: "string",

{

type: "string",

isFilePath: true,

description: Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,

paramType: Diagnostics.LOCATION,

{

shortName: "m",

type: createMap({

"none": ModuleKind.None,

"commonjs": ModuleKind.CommonJS,

"amd": ModuleKind.AMD,

"system": ModuleKind.System,

"umd": ModuleKind.UMD,

"es6": ModuleKind.ES2015,

"es2015": ModuleKind.ES2015,

}),

description: Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015,

paramType: Diagnostics.KIND,

{

type: createMap({

"crlf": NewLineKind.CarriageReturnLineFeed,

"lf": NewLineKind.LineFeed

}),

description: Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,

paramType: Diagnostics.NEWLINE,

{

type: "boolean",

description: Diagnostics.Do_not_emit_outputs,

{

type: "boolean"

{

type: "boolean",

description: Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,

{

type: "boolean"

{

type: "boolean",

description: Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type,

{

type: "boolean",

description: Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type,

{

type: "boolean",

description: Diagnostics.Report_errors_on_unused_locals,

{

type: "boolean",

description: Diagnostics.Report_errors_on_unused_parameters,

{

type: "boolean",

{

type: "boolean",

{

type: "boolean",

{

type: "boolean",

description: Diagnostics.Skip_type_checking_of_declaration_files,

{

type: "string",

isFilePath: false, // This is intentionally broken to support compatability with existing tsconfig files

// for correct behaviour, please use outFile

paramType: Diagnostics.FILE,

{

type: "string",

isFilePath: true,

description: Diagnostics.Concatenate_and_emit_output_to_single_file,

paramType: Diagnostics.FILE,

{

type: "string",

isFilePath: true,

description: Diagnostics.Redirect_output_structure_to_the_directory,

paramType: Diagnostics.DIRECTORY,

{

type: "boolean",

description: Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code

{

description: Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental,

type: "boolean"

{

shortName: "p",

type: "string",

isFilePath: true,

description: Diagnostics.Compile_the_project_in_the_given_directory,

paramType: Diagnostics.DIRECTORY

{

type: "boolean",

description: Diagnostics.Do_not_emit_comments_to_output,

{

type: "string",

isFilePath: true,

paramType: Diagnostics.LOCATION,

description: Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,

{

type: "boolean",

{

type: "boolean",

description: Diagnostics.Generates_corresponding_map_file,

{

type: "string",

isFilePath: true,

description: Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,

paramType: Diagnostics.LOCATION,

{

type: "boolean",

description: Diagnostics.Suppress_excess_property_checks_for_object_literals,

experimental: true

{

type: "boolean",

description: Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,

{

type: "boolean",

description: Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,

experimental: true

{

shortName: "t",

type: createMap({

"es3": ScriptTarget.ES3,

"es5": ScriptTarget.ES5,

"es6": ScriptTarget.ES2015,

"es2015": ScriptTarget.ES2015,

"es2016": ScriptTarget.ES2016,

"es2017": ScriptTarget.ES2017,

"esnext": ScriptTarget.ESNext,

}),

description: Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015,

paramType: Diagnostics.VERSION,

{

shortName: "v",

type: "boolean",

description: Diagnostics.Print_the_compiler_s_version,

{

shortName: "w",

type: "boolean",

description: Diagnostics.Watch_input_files,

{

type: "boolean",

description: Diagnostics.Enables_experimental_support_for_ES7_decorators

{

type: "boolean",

experimental: true,

description: Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators

{

type: createMap({

"node": ModuleResolutionKind.NodeJs,

"classic": ModuleResolutionKind.Classic,

}),

description: Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,

paramType: Diagnostics.STRATEGY,

{

type: "boolean",

description: Diagnostics.Do_not_report_errors_on_unused_labels

{

type: "boolean",

description: Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value

{

type: "boolean",

description: Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement

{

type: "boolean",

description: Diagnostics.Do_not_report_errors_on_unreachable_code

{

type: "boolean",

description: Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file

{

type: "string",

isFilePath: true,

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

type: "object",

isTSConfigOnly: true

{

// this option can only be specified in tsconfig.json

// use type = object to copy the value as-is

type: "list",

isTSConfigOnly: true,

element: {

type: "string",

isFilePath: true

}

{

type: "list",

element: {

type: "string",

isFilePath: true

}

{

type: "list",

element: {

type: "string"

description: Diagnostics.Type_declaration_files_to_be_included_in_compilation

{

type: "boolean",

description: Diagnostics.Enable_tracing_of_the_name_resolution_process

{

type: "boolean",

description: Diagnostics.Allow_javascript_files_to_be_compiled

{

type: "boolean",

description: Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking

{

type: "boolean",

description: Diagnostics.Do_not_emit_use_strict_directives_in_module_output

{

type: "number",

description: Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files

{

type: "boolean"

{

type: "list",

element: {

type: createMap({

// 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",

// 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",

}),

description: Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon

{

type: "boolean"

{

type: "boolean",

description: Diagnostics.Enable_strict_null_checks

{

type: "boolean",

description: Diagnostics.Import_emit_helpers_from_tslib

{

type: "boolean",

description: Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file

}

];

/* @internal */

export let typingOptionDeclarations: CommandLineOption[] = [

{

type: "boolean",

{

type: "list",

element: {

type: "string"

}

{

type: "list",

element: {

type: "string"

}

];

/* @internal */

export interface OptionNameMap {

optionNameMap: Map<CommandLineOption>;

shortOptionNames: Map<string>;

}

/* @internal */

export const defaultInitCompilerOptions: CompilerOptions = {

module: ModuleKind.CommonJS,

target: ScriptTarget.ES5,

noImplicitAny: false,

sourceMap: false,

};

let optionNameMapCache: OptionNameMap;

/* @internal */

export function getOptionNameMap(): OptionNameMap {

if (optionNameMapCache) {

return optionNameMapCache;

}

const optionNameMap = createMap<CommandLineOption>();

const shortOptionNames = createMap<string>();

forEach(optionDeclarations, option => {

optionNameMap[option.name.toLowerCase()] = option;

if (option.shortName) {

shortOptionNames[option.shortName] = option.name;

}

});

optionNameMapCache = { optionNameMap, shortOptionNames };

return optionNameMapCache;

}

/* @internal */

export function createCompilerDiagnosticForInvalidCustomType(opt: CommandLineOptionOfCustomType): Diagnostic {

const namesOfType = Object.keys(opt.type).map(key => `'${key}'`).join(", ");

return createCompilerDiagnostic(Diagnostics.Argument_for_0_option_must_be_Colon_1, `--${opt.name}`, namesOfType);

}

/* @internal */

export function parseCustomTypeOption(opt: CommandLineOptionOfCustomType, value: string, errors: Diagnostic[]) {

const key = trimString((value || "")).toLowerCase();

const map = opt.type;

if (key in map) {

return map[key];

}

else {

errors.push(createCompilerDiagnosticForInvalidCustomType(opt));

}

/* @internal */

export function parseListTypeOption(opt: CommandLineOptionOfListType, value = "", errors: 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);

}

/* @internal */

export function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine {

const options: CompilerOptions = {};

const fileNames: string[] = [];

const errors: Diagnostic[] = [];

const { optionNameMap, shortOptionNames } = getOptionNameMap();

parseStrings(commandLine);

return {

options,

fileNames,

errors

};

function parseStrings(args: string[]) {

let i = 0;

while (i < args.length) {

let s = args[i];

i++;

if (s.charCodeAt(0) === CharacterCodes.at) {

parseResponseFile(s.slice(1));

}

else if (s.charCodeAt(0) === CharacterCodes.minus) {

s = s.slice(s.charCodeAt(1) === CharacterCodes.minus ? 2 : 1).toLowerCase();

// Try to translate short option names to their full equivalents.

if (s in shortOptionNames) {

s = shortOptionNames[s];

}

if (s in optionNameMap) {

const opt = optionNameMap[s];

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

let 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);

}

/**

* Read tsconfig.json file

* @param fileName The path to the config file

export function readConfigFile(fileName: string, readFile: (path: string) => string): { config?: any; error?: Diagnostic } {

let text = "";

try {

text = readFile(fileName);

}

catch (e) {

return { error: createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) };

}

return parseConfigFileTextToJson(fileName, text);

}

/**

* 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, stripComments = true): { config?: any; error?: Diagnostic } {

try {

const jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText;

return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} };

}

catch (e) {

return { error: createCompilerDiagnostic(Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) };

}

/**

* Generate tsconfig configuration when running command line "--init"

* @param options commandlineOptions to be generated into tsconfig.json

* @param fileNames array of filenames to be generated into tsconfig.json

/* @internal */

export function generateTSConfig(options: CompilerOptions, fileNames: string[]): { compilerOptions: Map<CompilerOptionsValue> } {

const compilerOptions = extend(options, defaultInitCompilerOptions);

const configurations: any = {

compilerOptions: serializeCompilerOptions(compilerOptions)

};

if (fileNames && fileNames.length) {

// only set the files property if we have at least one file

configurations.files = fileNames;

}

return configurations;

function getCustomTypeMapOfCommandLineOption(optionDefinition: CommandLineOption): Map<string | number> | undefined {

if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") {

// this is of a type CommandLineOptionOfPrimitiveType

return undefined;

}

else if (optionDefinition.type === "list") {

return getCustomTypeMapOfCommandLineOption((<CommandLineOptionOfListType>optionDefinition).element);

}

else {

return (<CommandLineOptionOfCustomType>optionDefinition).type;

}

function getNameOfCompilerOptionValue(value: CompilerOptionsValue, customTypeMap: MapLike<string | number>): string | undefined {

// There is a typeMap associated with this command-line option so use it to map value back to its name

for (const key in customTypeMap) {

if (customTypeMap[key] === value) {

return key;

}

return undefined;

}

function serializeCompilerOptions(options: CompilerOptions): Map<CompilerOptionsValue> {

const result = createMap<CompilerOptionsValue>();

const optionsNameMap = getOptionNameMap().optionNameMap;

for (const name in options) {

if (hasProperty(options, name)) {

// tsconfig only options cannot be specified via command line,

// so we can assume that only types that can appear here string | number | boolean

switch (name) {

case "init":

case "watch":

case "version":

case "help":

case "project":

break;

default:

const value = options[name];

let optionDefinition = optionsNameMap[name.toLowerCase()];

if (optionDefinition) {

const customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition);

if (!customTypeMap) {

// There is no map associated with this compiler option then use the value as-is

// This is the case if the value is expect to be string, number, boolean or list of string

result[name] = value;

}

else {

if (optionDefinition.type === "list") {

const convertedValue: string[] = [];

for (const element of value as (string | number)[]) {

convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap));

}

result[name] = convertedValue;

}

else {

// There is a typeMap associated with this command-line option so use it to map value back to its name

result[name] = getNameOfCompilerOptionValue(value, customTypeMap);

}

break;

}

return result;

}

/**

* Remove the comments from a json like text.

* Comments can be single line comments (starting with # or //) or multiline comments using / * * /

* This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate.

function removeComments(jsonText: string): string {

let output = "";

const scanner = createScanner(ScriptTarget.ES5, /* skipTrivia */ false, LanguageVariant.Standard, jsonText);

let token: SyntaxKind;

while ((token = scanner.scan()) !== SyntaxKind.EndOfFileToken) {

switch (token) {

case SyntaxKind.SingleLineCommentTrivia:

case SyntaxKind.MultiLineCommentTrivia:

// replace comments with whitespace to preserve original character positions

output += scanner.getTokenText().replace(/\S/g, " ");

break;

default:

output += scanner.getTokenText();

break;

}

return output;

}

/**

* Parse the contents of a config file (tsconfig.json).

* @param json The contents of the config file to parse

* @param host Instance of ParseConfigHost used to enumerate files in folder.

* @param basePath A root directory to resolve relative path entries in the config

* file to. e.g. outDir

export function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions: CompilerOptions = {}, configFileName?: string, resolutionStack: Path[] = []): ParsedCommandLine {

const errors: Diagnostic[] = [];

const getCanonicalFileName = createGetCanonicalFileName(host.useCaseSensitiveFileNames);

const resolvedPath = toPath(configFileName || "", basePath, getCanonicalFileName);

if (resolutionStack.indexOf(resolvedPath) >= 0) {

return {

options: {},

fileNames: [],

typingOptions: {},

raw: json,

errors: [createCompilerDiagnostic(Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, [...resolutionStack, resolvedPath].join(" -> "))],

wildcardDirectories: {}

};

}

let options: CompilerOptions = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName);

const typingOptions: TypingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName);

if (json["extends"]) {

let [include, exclude, files, baseOptions]: [string[], string[], string[], CompilerOptions] = [undefined, undefined, undefined, {}];

if (typeof json["extends"] === "string") {

[include, exclude, files, baseOptions] = (tryExtendsName(json["extends"]) || [include, exclude, files, baseOptions]);

}

else {

errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string"));

}

if (include && !json["include"]) {

json["include"] = include;

}

if (exclude && !json["exclude"]) {

json["exclude"] = exclude;

}

if (files && !json["files"]) {

json["files"] = files;

}

options = assign({}, baseOptions, options);

}

options = extend(existingOptions, options);

options.configFilePath = configFileName;

const { fileNames, wildcardDirectories } = getFileNames(errors);

const compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors);

return {

options,

fileNames,

typingOptions,

raw: json,

errors,

wildcardDirectories,

compileOnSave

};

function tryExtendsName(extendedConfig: string): [string[], string[], string[], CompilerOptions] {

// If the path isn't a rooted or relative path, don't try to resolve it (we reserve the right to special case module-id like paths in the future)

if (!(isRootedDiskPath(extendedConfig) || startsWith(normalizeSlashes(extendedConfig), "./") || startsWith(normalizeSlashes(extendedConfig), "../"))) {

errors.push(createCompilerDiagnostic(Diagnostics.The_path_in_an_extends_options_must_be_relative_or_rooted));

return;

}

let extendedConfigPath = toPath(extendedConfig, basePath, getCanonicalFileName);

if (!host.fileExists(extendedConfigPath) && !endsWith(extendedConfigPath, ".json")) {

extendedConfigPath = `${extendedConfigPath}.json` as Path;

if (!host.fileExists(extendedConfigPath)) {

errors.push(createCompilerDiagnostic(Diagnostics.File_0_does_not_exist, extendedConfig));

return;

}

const extendedResult = readConfigFile(extendedConfigPath, path => host.readFile(path));

if (extendedResult.error) {

errors.push(extendedResult.error);

return;

}

const extendedDirname = getDirectoryPath(extendedConfigPath);

const relativeDifference = convertToRelativePath(extendedDirname, basePath, getCanonicalFileName);

const updatePath: (path: string) => string = path => isRootedDiskPath(path) ? path : combinePaths(relativeDifference, path);

// Merge configs (copy the resolution stack so it is never reused between branches in potential diamond-problem scenarios)

const result = parseJsonConfigFileContent(extendedResult.config, host, extendedDirname, /*existingOptions*/undefined, getBaseFileName(extendedConfigPath), resolutionStack.concat([resolvedPath]));

errors.push(...result.errors);

const [include, exclude, files] = map(["include", "exclude", "files"], key => {

if (!json[key] && extendedResult.config[key]) {

return map(extendedResult.config[key], updatePath);

}

});

return [include, exclude, files, result.options];

}

function getFileNames(errors: Diagnostic[]): ExpandResult {

let fileNames: string[];

if (hasProperty(json, "files")) {

if (isArray(json["files"])) {

fileNames = <string[]>json["files"];

if (fileNames.length === 0) {

errors.push(createCompilerDiagnostic(Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json"));

}

else {

errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array"));

}

let includeSpecs: string[];

if (hasProperty(json, "include")) {

if (isArray(json["include"])) {

includeSpecs = <string[]>json["include"];

}

else {

errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array"));

}

let excludeSpecs: string[];

if (hasProperty(json, "exclude")) {

if (isArray(json["exclude"])) {

excludeSpecs = <string[]>json["exclude"];

}

else {

errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array"));

}

else if (hasProperty(json, "excludes")) {

errors.push(createCompilerDiagnostic(Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));

}

else {

// By default, exclude common package folders and the outDir

excludeSpecs = ["node_modules", "bower_components", "jspm_packages"];

const outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"];

if (outDir) {

excludeSpecs.push(outDir);

}

if (fileNames === undefined && includeSpecs === undefined) {

includeSpecs = ["**/*"];

}

const result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors);

if (result.fileNames.length === 0 && !hasProperty(json, "files") && resolutionStack.length === 0) {

errors.push(

createCompilerDiagnostic(

Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2,

configFileName || "tsconfig.json",

JSON.stringify(includeSpecs || []),

JSON.stringify(excludeSpecs || [])));

}

return result;

}

export function convertCompileOnSaveOptionFromJson(jsonOption: any, basePath: string, errors: Diagnostic[]): boolean {

if (!hasProperty(jsonOption, compileOnSaveCommandLineOption.name)) {

return false;

}

const result = convertJsonOption(compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors);

if (typeof result === "boolean" && result) {

return result;

}

return false;

}

export function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { options: CompilerOptions, errors: Diagnostic[] } {

const errors: Diagnostic[] = [];

const options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);

return { options, errors };

}

export function convertTypingOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { options: TypingOptions, errors: Diagnostic[] } {

const errors: Diagnostic[] = [];

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TypeScript/src/compiler/commandLineParser.ts at master · killercup/TypeScript · GitHub

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