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Increment debug port for each child process. #874

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Increment debug port for each child process. #874

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19 changes: 18 additions & 1 deletion index.js
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Expand Up @@ -558,7 +558,24 @@ Command.prototype.executeSubCommand = function(argv, args, unknown) {
if (isExplicitJS) {
args.unshift(bin);
// add executable arguments to spawn
args = (process.execArgv || []).concat(args);
args = ((process.execArgv && process.execArgv.map(function( v ) {

var debugPort, matches;

if( (matches = v.match(/^(--debug=|--debug-brk=|--inspect=|--inspect-brk=)(?:(\b(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\b):)?(\d+)/)) && matches.length > 0 ){

debugPort = + matches[3];

if( ! Number.isFinite(debugPort) )
throw new Error('Debug port is not a finite number.');

return ( matches[2] ) ? matches[1] + matches[2] + ':' + (++debugPort) : matches[1] + (++debugPort);

}
else
return v;

})) || []).concat(args);

proc = spawn(process.argv[0], args, { stdio: 'inherit', customFds: [0, 1, 2] });
} else {
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