#!/usr/bin/env node "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); var _a; var path_1 = require("path"); var repl_1 = require("repl"); var util_1 = require("util"); var Module = require("module"); var arg = require("arg"); var diff_1 = require("diff"); var vm_1 = require("vm"); var fs_1 = require("fs"); var index_1 = require("./index"); var args = arg({ // Node.js-like options. '--eval': String, '--print': Boolean, '--require': [String], // CLI options. '--files': Boolean, '--help': Boolean, '--version': arg.COUNT, // Project options. '--compiler': String, '--compiler-options': index_1.parse, '--project': String, '--ignore-diagnostics': [String], '--ignore': [String], '--transpile-only': Boolean, '--type-check': Boolean, '--pretty': Boolean, '--skip-project': Boolean, '--skip-ignore': Boolean, // Aliases. '-e': '--eval', '-p': '--print', '-r': '--require', '-h': '--help', '-v': '--version', '-T': '--transpile-only', '-I': '--ignore', '-P': '--project', '-C': '--compiler', '-D': '--ignore-diagnostics', '-O': '--compiler-options' }, { stopAtPositional: true }); var _b = args["--help"], help = _b === void 0 ? false : _b, _c = args["--version"], version = _c === void 0 ? 0 : _c, _d = args["--files"], files = _d === void 0 ? index_1.DEFAULTS.files : _d, _e = args["--compiler"], compiler = _e === void 0 ? index_1.DEFAULTS.compiler : _e, _f = args["--compiler-options"], compilerOptions = _f === void 0 ? index_1.DEFAULTS.compilerOptions : _f, _g = args["--project"], project = _g === void 0 ? index_1.DEFAULTS.project : _g, _h = args["--ignore-diagnostics"], ignoreDiagnostics = _h === void 0 ? index_1.DEFAULTS.ignoreDiagnostics : _h, _j = args["--ignore"], ignore = _j === void 0 ? index_1.DEFAULTS.ignore : _j, _k = args["--transpile-only"], transpileOnly = _k === void 0 ? index_1.DEFAULTS.transpileOnly : _k, _l = args["--type-check"], typeCheck = _l === void 0 ? index_1.DEFAULTS.typeCheck : _l, _m = args["--pretty"], pretty = _m === void 0 ? index_1.DEFAULTS.pretty : _m, _o = args["--skip-project"], skipProject = _o === void 0 ? index_1.DEFAULTS.skipProject : _o, _p = args["--skip-ignore"], skipIgnore = _p === void 0 ? index_1.DEFAULTS.skipIgnore : _p; if (help) { console.log("\nUsage: ts-node [options] [ -e script | script.ts ] [arguments]\n\nOptions:\n\n -e, --eval [code] Evaluate code\n -p, --print Print result of `--eval`\n -r, --require [path] Require a node module before execution\n\n -h, --help Print CLI usage\n -v, --version Print module version information\n\n -T, --transpile-only Use TypeScript's faster `transpileModule`\n -I, --ignore [pattern] Override the path patterns to skip compilation\n -P, --project [path] Path to TypeScript JSON project file\n -C, --compiler [name] Specify a custom TypeScript compiler\n -D, --ignore-diagnostics [code] Ignore TypeScript warnings by diagnostic code\n -O, --compiler-options [opts] JSON object to merge with compiler options\n\n --files Load files from `tsconfig.json` on startup\n --pretty Use pretty diagnostic formatter\n --skip-project Skip reading `tsconfig.json`\n --skip-ignore Skip `--ignore` checks\n"); process.exit(0); } // Output project information. if (version === 1) { console.log("v" + index_1.VERSION); process.exit(0); } var cwd = process.cwd(); var code = args['--eval']; var isPrinted = args['--print'] !== undefined; // Register the TypeScript compiler instance. var service = index_1.register({ files: files, pretty: pretty, typeCheck: typeCheck, transpileOnly: transpileOnly, ignore: ignore, project: project, skipIgnore: skipIgnore, skipProject: skipProject, compiler: compiler, ignoreDiagnostics: ignoreDiagnostics, compilerOptions: compilerOptions, readFile: code ? readFileEval : undefined, fileExists: code ? fileExistsEval : undefined }); // Output project information. if (version >= 2) { console.log("ts-node v" + index_1.VERSION); console.log("node " + process.version); console.log("compiler v" + service.ts.version); process.exit(0); } // Require specified modules before start-up. if (args['--require']) Module._preloadModules(args['--require']); /** * Eval helpers. */ var EVAL_FILENAME = "[eval].ts"; var EVAL_PATH = path_1.join(cwd, EVAL_FILENAME); var EVAL_INSTANCE = { input: '', output: '', version: 0, lines: 0 }; // Prepend `ts-node` arguments to CLI for child processes. (_a = process.execArgv).unshift.apply(_a, [__filename].concat(process.argv.slice(2, process.argv.length - args._.length))); process.argv = [process.argv[1]].concat(args._.length ? path_1.resolve(cwd, args._[0]) : []).concat(args._.slice(1)); // Execute the main contents (either eval, script or piped). if (code) { evalAndExit(code, isPrinted); } else { if (args._.length) { Module.runMain(); } else { // Piping of execution _only_ occurs when no other script is specified. if (process.stdin.isTTY) { startRepl(); } else { var code_1 = ''; process.stdin.on('data', function (chunk) { return code_1 += chunk; }); process.stdin.on('end', function () { return evalAndExit(code_1, isPrinted); }); } } } /** * Evaluate a script. */ function evalAndExit(code, isPrinted) { var module = new Module(EVAL_FILENAME); module.filename = EVAL_FILENAME; module.paths = Module._nodeModulePaths(cwd); global.__filename = EVAL_FILENAME; global.__dirname = cwd; global.exports = module.exports; global.module = module; global.require = module.require.bind(module); var result; try { result = _eval(code); } catch (error) { if (error instanceof index_1.TSError) { console.error(error.diagnosticText); process.exit(1); } throw error; } if (isPrinted) { console.log(typeof result === 'string' ? result : util_1.inspect(result)); } } /** * Evaluate the code snippet. */ function _eval(input) { var lines = EVAL_INSTANCE.lines; var isCompletion = !/\n$/.test(input); var undo = appendEval(input); var output; try { output = service.compile(EVAL_INSTANCE.input, EVAL_PATH, -lines); } catch (err) { undo(); throw err; } // Use `diff` to check for new JavaScript to execute. var changes = diff_1.diffLines(EVAL_INSTANCE.output, output); if (isCompletion) { undo(); } else { EVAL_INSTANCE.output = output; } return changes.reduce(function (result, change) { return change.added ? exec(change.value, EVAL_FILENAME) : result; }, undefined); } /** * Execute some code. */ function exec(code, filename) { var script = new vm_1.Script(code, { filename: filename }); return script.runInThisContext(); } /** * Start a CLI REPL. */ function startRepl() { var repl = repl_1.start({ prompt: '> ', input: process.stdin, output: process.stdout, terminal: process.stdout.isTTY, eval: replEval, useGlobal: true }); // Bookmark the point where we should reset the REPL state. var resetEval = appendEval(''); function reset() { resetEval(); // Hard fix for TypeScript forcing `Object.defineProperty(exports, ...)`. exec('exports = module.exports', EVAL_FILENAME); } reset(); repl.on('reset', reset); repl.defineCommand('type', { help: 'Check the type of a TypeScript identifier', action: function (identifier) { if (!identifier) { repl.displayPrompt(); return; } var undo = appendEval(identifier); var _a = service.getTypeInfo(EVAL_INSTANCE.input, EVAL_PATH, EVAL_INSTANCE.input.length), name = _a.name, comment = _a.comment; undo(); repl.outputStream.write(name + "\n" + (comment ? comment + "\n" : '')); repl.displayPrompt(); } }); } /** * Eval code from the REPL. */ function replEval(code, _context, _filename, callback) { var err = null; var result; // TODO: Figure out how to handle completion here. if (code === '.scope') { callback(err); return; } try { result = _eval(code); } catch (error) { if (error instanceof index_1.TSError) { // Support recoverable compilations using >= node 6. if (repl_1.Recoverable && isRecoverable(error)) { err = new repl_1.Recoverable(error); } else { console.error(error.diagnosticText); } } else { err = error; } } callback(err, result); } /** * Append to the eval instance and return an undo function. */ function appendEval(input) { var undoInput = EVAL_INSTANCE.input; var undoVersion = EVAL_INSTANCE.version; var undoOutput = EVAL_INSTANCE.output; var undoLines = EVAL_INSTANCE.lines; // Handle ASI issues with TypeScript re-evaluation. if (undoInput.charAt(undoInput.length - 1) === '\n' && /^\s*[\[\(\`]/.test(input) && !/;\s*$/.test(undoInput)) { EVAL_INSTANCE.input = EVAL_INSTANCE.input.slice(0, -1) + ";\n"; } EVAL_INSTANCE.input += input; EVAL_INSTANCE.lines += lineCount(input); EVAL_INSTANCE.version++; return function () { EVAL_INSTANCE.input = undoInput; EVAL_INSTANCE.output = undoOutput; EVAL_INSTANCE.version = undoVersion; EVAL_INSTANCE.lines = undoLines; }; } /** * Count the number of lines. */ function lineCount(value) { var count = 0; for (var _i = 0, value_1 = value; _i < value_1.length; _i++) { var char = value_1[_i]; if (char === '\n') { count++; } } return count; } /** * Get the file text, checking for eval first. */ function readFileEval(path) { if (path === EVAL_PATH) return EVAL_INSTANCE.input; try { return fs_1.readFileSync(path, 'utf8'); } catch (err) { /* Ignore. */ } } /** * Get whether the file exists. */ function fileExistsEval(path) { if (path === EVAL_PATH) return true; try { var stats = fs_1.statSync(path); return stats.isFile() || stats.isFIFO(); } catch (err) { return false; } } var RECOVERY_CODES = new Set([ 1003, 1005, 1109, 1126, 1160, 1161, 2355 // "A function whose declared type is neither 'void' nor 'any' must return a value." ]); /** * Check if a function can recover gracefully. */ function isRecoverable(error) { return error.diagnosticCodes.every(function (code) { return RECOVERY_CODES.has(code); }); } //# sourceMappingURL=bin.js.map