691 lines
27 KiB
TypeScript
691 lines
27 KiB
TypeScript
/// <reference path="sys.ts"/>
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/// <reference path="types.ts"/>
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/// <reference path="core.ts"/>
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/// <reference path="diagnosticInformationMap.generated.ts"/>
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/// <reference path="scanner.ts"/>
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namespace ts {
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/* @internal */
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export let optionDeclarations: CommandLineOption[] = [
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{
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name: "charset",
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type: "string",
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},
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{
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name: "declaration",
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shortName: "d",
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type: "boolean",
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description: Diagnostics.Generates_corresponding_d_ts_file,
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},
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{
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name: "diagnostics",
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type: "boolean",
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},
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{
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name: "emitBOM",
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type: "boolean"
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},
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{
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name: "help",
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shortName: "h",
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type: "boolean",
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description: Diagnostics.Print_this_message,
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},
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{
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name: "init",
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type: "boolean",
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description: Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file,
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},
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{
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name: "inlineSourceMap",
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type: "boolean",
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},
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{
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name: "inlineSources",
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type: "boolean",
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},
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{
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name: "jsx",
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type: {
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"preserve": JsxEmit.Preserve,
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"react": JsxEmit.React
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},
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paramType: Diagnostics.KIND,
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description: Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react,
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error: Diagnostics.Argument_for_jsx_must_be_preserve_or_react
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},
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{
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name: "reactNamespace",
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type: "string",
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description: Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit
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},
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{
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name: "listFiles",
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type: "boolean",
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},
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{
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name: "locale",
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type: "string",
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},
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{
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name: "mapRoot",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
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paramType: Diagnostics.LOCATION,
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},
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{
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name: "module",
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shortName: "m",
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type: {
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"none": ModuleKind.None,
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"commonjs": ModuleKind.CommonJS,
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"amd": ModuleKind.AMD,
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"system": ModuleKind.System,
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"umd": ModuleKind.UMD,
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"es6": ModuleKind.ES6,
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"es2015": ModuleKind.ES2015,
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},
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description: Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015,
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paramType: Diagnostics.KIND,
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error: Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none
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},
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{
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name: "newLine",
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type: {
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"crlf": NewLineKind.CarriageReturnLineFeed,
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"lf": NewLineKind.LineFeed
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},
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description: Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
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paramType: Diagnostics.NEWLINE,
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error: Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF
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},
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{
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name: "noEmit",
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type: "boolean",
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description: Diagnostics.Do_not_emit_outputs,
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},
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{
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name: "noEmitHelpers",
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type: "boolean"
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},
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{
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name: "noEmitOnError",
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type: "boolean",
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description: Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported,
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},
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{
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name: "noImplicitAny",
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type: "boolean",
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description: Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type,
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},
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{
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name: "noLib",
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type: "boolean",
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},
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{
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name: "noResolve",
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type: "boolean",
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},
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{
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name: "skipDefaultLibCheck",
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type: "boolean",
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},
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{
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name: "out",
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type: "string",
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isFilePath: false, // This is intentionally broken to support compatability with existing tsconfig files
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// for correct behaviour, please use outFile
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paramType: Diagnostics.FILE,
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},
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{
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name: "outFile",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Concatenate_and_emit_output_to_single_file,
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paramType: Diagnostics.FILE,
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},
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{
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name: "outDir",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Redirect_output_structure_to_the_directory,
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paramType: Diagnostics.DIRECTORY,
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},
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{
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name: "preserveConstEnums",
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type: "boolean",
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description: Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
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},
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{
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name: "pretty",
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paramType: Diagnostics.KIND,
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description: Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental,
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type: "boolean"
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},
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{
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name: "project",
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shortName: "p",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Compile_the_project_in_the_given_directory,
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paramType: Diagnostics.DIRECTORY
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},
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{
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name: "removeComments",
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type: "boolean",
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description: Diagnostics.Do_not_emit_comments_to_output,
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},
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{
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name: "rootDir",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir,
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paramType: Diagnostics.LOCATION,
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},
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{
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name: "isolatedModules",
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type: "boolean",
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},
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{
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name: "sourceMap",
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type: "boolean",
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description: Diagnostics.Generates_corresponding_map_file,
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},
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{
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name: "sourceRoot",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
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paramType: Diagnostics.LOCATION,
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},
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{
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name: "suppressExcessPropertyErrors",
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type: "boolean",
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description: Diagnostics.Suppress_excess_property_checks_for_object_literals,
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experimental: true
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},
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{
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name: "suppressImplicitAnyIndexErrors",
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type: "boolean",
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description: Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures,
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},
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{
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name: "stripInternal",
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type: "boolean",
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description: Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
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experimental: true
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},
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{
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name: "target",
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shortName: "t",
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type: {
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"es3": ScriptTarget.ES3,
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"es5": ScriptTarget.ES5,
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"es6": ScriptTarget.ES6,
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"es2015": ScriptTarget.ES2015,
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},
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description: Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental,
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paramType: Diagnostics.VERSION,
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error: Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015
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},
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{
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name: "version",
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shortName: "v",
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type: "boolean",
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description: Diagnostics.Print_the_compiler_s_version,
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},
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{
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name: "watch",
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shortName: "w",
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type: "boolean",
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description: Diagnostics.Watch_input_files,
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},
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{
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name: "experimentalDecorators",
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type: "boolean",
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description: Diagnostics.Enables_experimental_support_for_ES7_decorators
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},
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{
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name: "emitDecoratorMetadata",
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type: "boolean",
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experimental: true,
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description: Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
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},
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{
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name: "moduleResolution",
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type: {
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"node": ModuleResolutionKind.NodeJs,
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"classic": ModuleResolutionKind.Classic,
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},
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description: Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6,
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error: Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic,
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},
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{
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name: "allowUnusedLabels",
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type: "boolean",
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description: Diagnostics.Do_not_report_errors_on_unused_labels
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},
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{
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name: "noImplicitReturns",
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type: "boolean",
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description: Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
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},
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{
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name: "noFallthroughCasesInSwitch",
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type: "boolean",
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description: Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
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},
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{
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name: "allowUnreachableCode",
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type: "boolean",
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description: Diagnostics.Do_not_report_errors_on_unreachable_code
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},
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{
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name: "forceConsistentCasingInFileNames",
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type: "boolean",
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description: Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
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},
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{
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name: "baseUrl",
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type: "string",
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isFilePath: true,
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description: Diagnostics.Base_directory_to_resolve_non_absolute_module_names
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},
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{
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// this option can only be specified in tsconfig.json
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// use type = object to copy the value as-is
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name: "paths",
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type: "object",
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isTSConfigOnly: true
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},
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{
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// this option can only be specified in tsconfig.json
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// use type = object to copy the value as-is
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name: "rootDirs",
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type: "object",
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isTSConfigOnly: true,
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isFilePath: true
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},
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{
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name: "traceModuleResolution",
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type: "boolean",
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description: Diagnostics.Enable_tracing_of_the_module_resolution_process
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},
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{
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name: "allowJs",
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type: "boolean",
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description: Diagnostics.Allow_javascript_files_to_be_compiled
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},
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{
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name: "allowSyntheticDefaultImports",
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type: "boolean",
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description: Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
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},
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{
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name: "noImplicitUseStrict",
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type: "boolean",
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description: Diagnostics.Do_not_emit_use_strict_directives_in_module_output
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},
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{
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name: "strictNullChecks",
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type: "boolean",
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description: Diagnostics.Enable_strict_null_checks
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}
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];
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/* @internal */
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export interface OptionNameMap {
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optionNameMap: Map<CommandLineOption>;
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shortOptionNames: Map<string>;
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}
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let optionNameMapCache: OptionNameMap;
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/* @internal */
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export function getOptionNameMap(): OptionNameMap {
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if (optionNameMapCache) {
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return optionNameMapCache;
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}
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const optionNameMap: Map<CommandLineOption> = {};
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const shortOptionNames: Map<string> = {};
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forEach(optionDeclarations, option => {
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optionNameMap[option.name.toLowerCase()] = option;
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if (option.shortName) {
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shortOptionNames[option.shortName] = option.name;
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}
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});
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optionNameMapCache = { optionNameMap, shortOptionNames };
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return optionNameMapCache;
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}
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export function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine {
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const options: CompilerOptions = {};
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const fileNames: string[] = [];
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const errors: Diagnostic[] = [];
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const { optionNameMap, shortOptionNames } = getOptionNameMap();
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parseStrings(commandLine);
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return {
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options,
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fileNames,
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errors
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};
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function parseStrings(args: string[]) {
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let i = 0;
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while (i < args.length) {
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let s = args[i];
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i++;
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if (s.charCodeAt(0) === CharacterCodes.at) {
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parseResponseFile(s.slice(1));
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}
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else if (s.charCodeAt(0) === CharacterCodes.minus) {
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s = s.slice(s.charCodeAt(1) === CharacterCodes.minus ? 2 : 1).toLowerCase();
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// Try to translate short option names to their full equivalents.
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if (hasProperty(shortOptionNames, s)) {
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s = shortOptionNames[s];
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}
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if (hasProperty(optionNameMap, s)) {
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const opt = optionNameMap[s];
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if (opt.isTSConfigOnly) {
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errors.push(createCompilerDiagnostic(Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name));
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}
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else {
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// Check to see if no argument was provided (e.g. "--locale" is the last command-line argument).
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if (!args[i] && opt.type !== "boolean") {
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errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
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}
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switch (opt.type) {
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case "number":
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options[opt.name] = parseInt(args[i]);
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i++;
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break;
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case "boolean":
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options[opt.name] = true;
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break;
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case "string":
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options[opt.name] = args[i] || "";
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i++;
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break;
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// If not a primitive, the possible types are specified in what is effectively a map of options.
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default:
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let map = <Map<number>>opt.type;
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let key = (args[i] || "").toLowerCase();
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i++;
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if (hasProperty(map, key)) {
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options[opt.name] = map[key];
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}
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else {
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errors.push(createCompilerDiagnostic((<CommandLineOptionOfCustomType>opt).error));
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}
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}
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}
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}
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else {
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errors.push(createCompilerDiagnostic(Diagnostics.Unknown_compiler_option_0, s));
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}
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}
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else {
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fileNames.push(s);
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}
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}
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}
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function parseResponseFile(fileName: string) {
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const text = readFile ? readFile(fileName) : sys.readFile(fileName);
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if (!text) {
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errors.push(createCompilerDiagnostic(Diagnostics.File_0_not_found, fileName));
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return;
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}
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const args: string[] = [];
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let pos = 0;
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while (true) {
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while (pos < text.length && text.charCodeAt(pos) <= CharacterCodes.space) pos++;
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if (pos >= text.length) break;
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const start = pos;
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if (text.charCodeAt(start) === CharacterCodes.doubleQuote) {
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pos++;
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while (pos < text.length && text.charCodeAt(pos) !== CharacterCodes.doubleQuote) pos++;
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if (pos < text.length) {
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args.push(text.substring(start + 1, pos));
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pos++;
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}
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else {
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errors.push(createCompilerDiagnostic(Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
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}
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}
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else {
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while (text.charCodeAt(pos) > CharacterCodes.space) pos++;
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args.push(text.substring(start, pos));
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}
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}
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parseStrings(args);
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}
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}
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/**
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* Read tsconfig.json file
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* @param fileName The path to the config file
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*/
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export function readConfigFile(fileName: string, readFile: (path: string) => string): { config?: any; error?: Diagnostic } {
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let text = "";
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try {
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text = readFile(fileName);
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}
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catch (e) {
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return { error: createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) };
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}
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return parseConfigFileTextToJson(fileName, text);
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}
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/**
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* Parse the text of the tsconfig.json file
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* @param fileName The path to the config file
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* @param jsonText The text of the config file
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*/
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export function parseConfigFileTextToJson(fileName: string, jsonText: string): { config?: any; error?: Diagnostic } {
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try {
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const jsonTextWithoutComments = removeComments(jsonText);
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return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} };
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}
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catch (e) {
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return { error: createCompilerDiagnostic(Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) };
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}
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}
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/**
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* Remove the comments from a json like text.
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* Comments can be single line comments (starting with # or //) or multiline comments using / * * /
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*
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* This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate.
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*/
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function removeComments(jsonText: string): string {
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let output = "";
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const scanner = createScanner(ScriptTarget.ES5, /* skipTrivia */ false, LanguageVariant.Standard, jsonText);
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let token: SyntaxKind;
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while ((token = scanner.scan()) !== SyntaxKind.EndOfFileToken) {
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switch (token) {
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case SyntaxKind.SingleLineCommentTrivia:
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case SyntaxKind.MultiLineCommentTrivia:
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// replace comments with whitespace to preserve original character positions
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output += scanner.getTokenText().replace(/\S/g, " ");
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break;
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default:
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output += scanner.getTokenText();
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break;
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}
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}
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return output;
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}
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/**
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* Parse the contents of a config file (tsconfig.json).
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* @param json The contents of the config file to parse
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* @param host Instance of ParseConfigHost used to enumerate files in folder.
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* @param basePath A root directory to resolve relative path entries in the config
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* file to. e.g. outDir
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*/
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export function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions: CompilerOptions = {}, configFileName?: string): ParsedCommandLine {
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const { options: optionsFromJsonConfigFile, errors } = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName);
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|
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const options = extend(existingOptions, optionsFromJsonConfigFile);
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|
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return {
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options,
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fileNames: getFileNames(),
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errors
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};
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|
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function getFileNames(): string[] {
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let fileNames: string[] = [];
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if (hasProperty(json, "files")) {
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if (json["files"] instanceof Array) {
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fileNames = map(<string[]>json["files"], s => combinePaths(basePath, s));
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}
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else {
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errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array"));
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}
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}
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else {
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const filesSeen: Map<boolean> = {};
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let exclude: string[] = [];
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if (json["exclude"] instanceof Array) {
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exclude = json["exclude"];
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}
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else {
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// by default exclude node_modules, and any specificied output directory
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exclude = ["node_modules"];
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const outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"];
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if (outDir) {
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exclude.push(outDir);
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|
}
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|
}
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|
exclude = map(exclude, normalizeSlashes);
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|
|
|
const supportedExtensions = getSupportedExtensions(options);
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|
Debug.assert(indexOf(supportedExtensions, ".ts") < indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick");
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|
|
|
// Get files of supported extensions in their order of resolution
|
|
for (const extension of supportedExtensions) {
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|
const filesInDirWithExtension = host.readDirectory(basePath, extension, exclude);
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|
for (const fileName of filesInDirWithExtension) {
|
|
// .ts extension would read the .d.ts extension files too but since .d.ts is lower priority extension,
|
|
// lets pick them when its turn comes up
|
|
if (extension === ".ts" && fileExtensionIs(fileName, ".d.ts")) {
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|
continue;
|
|
}
|
|
|
|
// Skip over any minified JavaScript files (ending in ".min.js")
|
|
if (/\.min\.js$/.test(fileName)) {
|
|
continue;
|
|
}
|
|
|
|
// If this is one of the output extension (which would be .d.ts and .js if we are allowing compilation of js files)
|
|
// do not include this file if we included .ts or .tsx file with same base name as it could be output of the earlier compilation
|
|
if (extension === ".d.ts" || (options.allowJs && contains(supportedJavascriptExtensions, extension))) {
|
|
const baseName = fileName.substr(0, fileName.length - extension.length);
|
|
if (hasProperty(filesSeen, baseName + ".ts") || hasProperty(filesSeen, baseName + ".tsx")) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
filesSeen[fileName] = true;
|
|
fileNames.push(fileName);
|
|
}
|
|
}
|
|
}
|
|
return fileNames;
|
|
}
|
|
}
|
|
|
|
export function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { options: CompilerOptions, errors: Diagnostic[] } {
|
|
const options: CompilerOptions = {};
|
|
const errors: Diagnostic[] = [];
|
|
|
|
if (configFileName && getBaseFileName(configFileName) === "jsconfig.json") {
|
|
options.allowJs = true;
|
|
}
|
|
|
|
if (!jsonOptions) {
|
|
return { options, errors };
|
|
}
|
|
|
|
const optionNameMap = arrayToMap(optionDeclarations, opt => opt.name);
|
|
|
|
for (const id in jsonOptions) {
|
|
if (hasProperty(optionNameMap, id)) {
|
|
const opt = optionNameMap[id];
|
|
const optType = opt.type;
|
|
let value = jsonOptions[id];
|
|
const expectedType = typeof optType === "string" ? optType : "string";
|
|
if (typeof value === expectedType) {
|
|
if (typeof optType !== "string") {
|
|
const key = value.toLowerCase();
|
|
if (hasProperty(optType, key)) {
|
|
value = optType[key];
|
|
}
|
|
else {
|
|
errors.push(createCompilerDiagnostic((<CommandLineOptionOfCustomType>opt).error));
|
|
value = 0;
|
|
}
|
|
}
|
|
if (opt.isFilePath) {
|
|
switch (typeof value) {
|
|
case "string":
|
|
value = normalizePath(combinePaths(basePath, value));
|
|
break;
|
|
case "object":
|
|
// "object" options with 'isFilePath' = true expected to be string arrays
|
|
let paths: string[] = [];
|
|
let invalidOptionType = false;
|
|
if (!isArray(value)) {
|
|
invalidOptionType = true;
|
|
}
|
|
else {
|
|
for (const element of <any[]>value) {
|
|
if (typeof element === "string") {
|
|
paths.push(normalizePath(combinePaths(basePath, element)));
|
|
}
|
|
else {
|
|
invalidOptionType = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (invalidOptionType) {
|
|
errors.push(createCompilerDiagnostic(Diagnostics.Option_0_should_have_array_of_strings_as_a_value, opt.name));
|
|
}
|
|
else {
|
|
value = paths;
|
|
}
|
|
break;
|
|
}
|
|
if (value === "") {
|
|
value = ".";
|
|
}
|
|
}
|
|
options[opt.name] = value;
|
|
}
|
|
else {
|
|
errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType));
|
|
}
|
|
}
|
|
else {
|
|
errors.push(createCompilerDiagnostic(Diagnostics.Unknown_compiler_option_0, id));
|
|
}
|
|
}
|
|
|
|
return { options, errors };
|
|
}
|
|
}
|