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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.runDev = void 0;
var child_process_1 = require("child_process");
var chokidar_1 = __importDefault(require("chokidar"));
var fs_1 = __importDefault(require("fs"));
var readline_1 = __importDefault(require("readline"));
var kill = require('tree-kill');
var ipc = __importStar(require("./ipc"));
var resolveMain_1 = require("./resolveMain");
var compiler_1 = require("./compiler");
var cfg_1 = require("./cfg");
var notify_1 = require("./notify");
var log_1 = require("./log");
var version = require('../package.json').version;
var tsNodeVersion = require('ts-node').VERSION;
var tsVersion = require('typescript').version;
exports.runDev = function (script, scriptArgs, nodeArgs, opts) {
if (typeof script !== 'string' || script.length === 0) {
throw new TypeError('`script` must be a string');
}
if (!Array.isArray(scriptArgs)) {
throw new TypeError('`scriptArgs` must be an array');
}
if (!Array.isArray(nodeArgs)) {
throw new TypeError('`nodeArgs` must be an array');
}
// The child_process
var child;
var wrapper = resolveMain_1.resolveMain(__dirname + '/wrap.js');
var main = resolveMain_1.resolveMain(script);
var cfg = cfg_1.makeCfg(main, opts);
var log = log_1.makeLog(cfg);
var notify = notify_1.makeNotify(cfg, log);
// Run ./dedupe.js as preload script
if (cfg.dedupe)
process.env.NODE_DEV_PRELOAD = __dirname + '/dedupe';
function initWatcher() {
var watcher = chokidar_1.default.watch([], {
usePolling: opts.poll,
interval: parseInt(opts.interval) || undefined,
});
watcher.on('change', restart);
watcher.on('fallback', function (limit) {
log.warn('node-dev ran out of file handles after watching %s files.', limit);
log.warn('Falling back to polling which uses more CPU.');
log.info('Run ulimit -n 10000 to increase the file descriptor limit.');
if (cfg.deps)
log.info('... or add `--no-deps` to use less file handles.');
});
return watcher;
}
var watcher = initWatcher();
var starting = false;
// Read for "rs" from command line
if (opts.rs !== false) {
var rl = readline_1.default.createInterface({
input: process.stdin,
output: process.stdout,
terminal: false,
});
rl.on('line', function (line) {
if (line.trim() === 'rs') {
restart('', true);
}
});
}
log.info('ts-node-dev ver. ' +
version +
' (using ts-node ver. ' +
tsNodeVersion +
', typescript ver. ' +
tsVersion +
')');
/**
* Run the wrapped script.
*/
var compileReqWatcher;
function start() {
if (cfg.clear)
process.stdout.write('\u001bc');
for (var _i = 0, _a = (opts.watch || '').split(','); _i < _a.length; _i++) {
var watched = _a[_i];
if (watched)
watcher.add(watched);
}
var cmd = nodeArgs.concat(wrapper, script, scriptArgs);
var childHookPath = compiler.getChildHookPath();
cmd = (opts.priorNodeArgs || []).concat(['-r', childHookPath]).concat(cmd);
log.debug('Starting child process %s', cmd.join(' '));
child = child_process_1.fork(cmd[0], cmd.slice(1), {
cwd: process.cwd(),
env: process.env,
});
starting = false;
if (compileReqWatcher) {
compileReqWatcher.close();
}
compileReqWatcher = chokidar_1.default.watch([], {
usePolling: opts.poll,
interval: parseInt(opts.interval) || undefined,
});
var currentCompilePath;
fs_1.default.writeFileSync(compiler.getCompileReqFilePath(), '');
compileReqWatcher.add(compiler.getCompileReqFilePath());
compileReqWatcher.on('change', function (file) {
fs_1.default.readFile(file, 'utf-8', function (err, data) {
if (err) {
log.error('Error reading compile request file', err);
return;
}
var split = data.split('\n');
var compile = split[0];
var compiledPath = split[1];
if (currentCompilePath == compiledPath)
return;
currentCompilePath = compiledPath;
if (compiledPath) {
compiler.compile({
compile: compile,
compiledPath: compiledPath,
});
}
});
});
child.on('message', function (message) {
if (!message.compiledPath ||
currentCompilePath === message.compiledPath) {
return;
}
currentCompilePath = message.compiledPath;
compiler.compile(message);
});
child.on('exit', function (code) {
log.debug('Child exited with code %s', code);
if (!child)
return;
if (!child.respawn)
process.exit(code || 0);
child = undefined;
});
if (cfg.respawn) {
child.respawn = true;
}
if (compiler.tsConfigPath) {
watcher.add(compiler.tsConfigPath);
}
// Listen for `required` messages and watch the required file.
ipc.on(child, 'required', function (m) {
var required = m.required;
var isIgnored = cfg.ignore.some(isPrefixOf(required)) ||
cfg.ignore.some(isRegExpMatch(required));
if (!isIgnored && (cfg.deps === -1 || getLevel(required) <= cfg.deps)) {
log.debug(required, 'added to watcher');
watcher.add(required);
}
});
// Upon errors, display a notification and tell the child to exit.
ipc.on(child, 'error', function (m) {
log.debug('Child error');
notify(m.error, m.message, 'error');
stop(m.willTerminate);
});
compiler.writeReadyFile();
}
var killChild = function () {
if (!child)
return;
log.debug('Sending SIGTERM kill to child pid', child.pid);
if (opts['tree-kill']) {
log.debug('Using tree-kill');
kill(child.pid);
}
else {
child.kill('SIGTERM');
}
};
function stop(willTerminate) {
if (!child || child.stopping) {
return;
}
child.stopping = true;
child.respawn = true;
if (child.connected === undefined || child.connected === true) {
log.debug('Disconnecting from child');
child.disconnect();
if (!willTerminate) {
killChild();
}
}
}
function restart(file, isManualRestart) {
if (file === compiler.tsConfigPath) {
notify('Reinitializing TS compilation', '');
compiler.init();
}
compiler.clearErrorCompile();
if (isManualRestart === true) {
notify('Restarting', 'manual restart from user');
}
else {
notify('Restarting', file + ' has been modified');
}
compiler.compileChanged(file);
if (starting) {
log.debug('Already starting');
return;
}
log.debug('Removing all watchers from files');
//watcher.removeAll()ya
watcher.close();
watcher = initWatcher();
starting = true;
if (child) {
log.debug('Child is still running, restart upon exit');
child.on('exit', start);
stop();
}
else {
log.debug('Child is already stopped, probably due to a previous error');
start();
}
}
// Relay SIGTERM
process.on('SIGTERM', function () {
log.debug('Process got SIGTERM');
killChild();
process.exit(0);
});
var compiler = compiler_1.makeCompiler(opts, {
restart: restart,
log: log,
});
compiler.init();
start();
};
/**
* Returns the nesting-level of the given module.
* Will return 0 for modules from the main package or linked modules,
* a positive integer otherwise.
*/
function getLevel(mod) {
var p = getPrefix(mod);
return p.split('node_modules').length - 1;
}
/**
* Returns the path up to the last occurence of `node_modules` or an
* empty string if the path does not contain a node_modules dir.
*/
function getPrefix(mod) {
var n = 'node_modules';
var i = mod.lastIndexOf(n);
return ~i ? mod.slice(0, i + n.length) : '';
}
function isPrefixOf(value) {
return function (prefix) {
return value.indexOf(prefix) === 0;
};
}
function isRegExpMatch(value) {
return function (regExp) {
return new RegExp(regExp).test(value);
};
}