'use strict'
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const childProcess = require('child_process')
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, childModule = require.resolve('./child/index')
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function fork (forkModule, workerOptions) {
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// suppress --debug / --inspect flags while preserving others (like --harmony)
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let filteredArgs = process.execArgv.filter(function (v) {
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return !(/^--(debug|inspect)/).test(v)
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})
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, options = Object.assign({
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execArgv : filteredArgs
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, env : process.env
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, cwd : process.cwd()
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}, workerOptions)
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, child = childProcess.fork(childModule, process.argv, options)
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child.on('error', function() {
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// this *should* be picked up by onExit and the operation requeued
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})
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child.send({ owner: 'farm', module: forkModule })
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// return a send() function for this child
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return {
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send : child.send.bind(child)
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, child : child
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}
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}
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module.exports = fork
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