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44 lines
937 B
44 lines
937 B
const { spawn } = require('child_process')
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let pidMap = {}
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/**
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* options: { onSuccess: null | function, onError: null | function, onClose: null | function }
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*/
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function start(command, args, options = {}) {
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const childProgress = spawn(command, args)
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pidMap[childProgress.pid] = childProgress
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const promise = new Promise((resolve, reject) => {
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childProgress.stdout.on('data', data => {
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resolve(data.toString())
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})
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childProgress.stderr.on('data', data => {
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reject(data.toString())
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})
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})
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/**
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childProgress.on('close', code => {
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options.onClose && options.onClose(code)
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})
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*/
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return { pid: childProgress.pid, promise }
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}
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function kill(pid) {
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let childProgress = pidMap[pid]
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let status = false
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if (childProgress && !childProgress.killed) {
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status = childProgress.kill()
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}
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childProgress = null
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delete pidMap[pid]
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return status
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}
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module.exports = {
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start,
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kill,
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}
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