Fix `node --inspect`

src/meta/debugParams.js

@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = function () {
+	var debugArg = process.execArgv.find(function (arg) {
+		return /^--(debug|inspect)/.test(arg);
+	});
+	if (global.v8debug || debugArg) {
+		debugArg = debugArg ? debugArg.split('=') : ['--debug', 5859];
+		var num = parseInt(debugArg[1], 10) + 1;
+
+		return { execArgv: [debugArg[0] + '=' + num, '--nolazy'] };
+	}
+
+	return { execArgv: []	};
+};

src/meta/minifier.js

@@ -11,30 +11,9 @@ var postcss = require('postcss');
 var autoprefixer = require('autoprefixer');
 var clean = require('postcss-clean');
 
-var Minifier = module.exports;
-
-function setupDebugging() {
-	/**
-	 * Check if the parent process is running with the debug option --debug (or --debug-brk)
-	 */
-	var forkProcessParams = {};
-	if (global.v8debug || parseInt(process.execArgv.indexOf('--debug'), 10) !== -1) {
-		/**
-		 * use the line below if you want to debug minifier.js script too (or even --debug-brk option, but
-		 * you'll have to setup your debugger and connect to the forked process)
-		 */
-		// forkProcessParams = { execArgv: ['--debug=' + (global.process.debugPort + 1), '--nolazy'] };
-
-		/**
-		 * otherwise, just clean up --debug/--debug-brk options which are set up by default from the parent one
-		 */
-		forkProcessParams = {
-			execArgv: [],
-		};
-	}
+var debugParams = require('./debugParams');
 
-	return forkProcessParams;
-}
+var Minifier = module.exports;
 
 var pool = [];
 var free = [];
@@ -68,7 +47,7 @@ function getChild() {
 		return free.shift();
 	}
 
-	var forkProcessParams = setupDebugging();
+	var forkProcessParams = debugParams();
 	var proc = childProcess.fork(__filename, [], Object.assign({}, forkProcessParams, {
 		cwd: __dirname,
 		env: {

src/password.js

@@ -1,9 +1,10 @@
 'use strict';
 
-
 var fork = require('child_process').fork;
 var path = require('path');
 
+var debugParams = require('./meta/debugParams');
+
 exports.hash = function (rounds, password, callback) {
 	forkChild({ type: 'hash', rounds: rounds, password: password }, callback);
 };
@@ -16,11 +17,7 @@ exports.compare = function (password, hash, callback) {
 };
 
 function forkChild(message, callback) {
-	var forkProcessParams = {};
-	if (global.v8debug || parseInt(process.execArgv.indexOf('--debug'), 10) !== -1) {
-		forkProcessParams = { execArgv: ['--debug=' + (5859), '--nolazy'] };
-	}
-	var child = fork(path.join(__dirname, 'bcrypt'), [], forkProcessParams);
+	var child = fork(path.join(__dirname, 'bcrypt'), [], debugParams());
 
 	child.on('message', function (msg) {
 		if (msg.err) {