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mohemmionic5/Mohem/node_modules_/ts-node/dist/bin.js

319 lines
11 KiB
JavaScript

#!/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