142 lines
3.1 KiB
JavaScript
142 lines
3.1 KiB
JavaScript
const ipc = require('node-ipc')
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const DEFAULT_ID = process.env.VUE_CLI_IPC || 'vue-cli'
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const DEFAULT_IDLE_TIMEOUT = 3000
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const DEFAULT_OPTIONS = {
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networkId: DEFAULT_ID,
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autoConnect: true,
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disconnectOnIdle: false,
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idleTimeout: DEFAULT_IDLE_TIMEOUT,
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namespaceOnProject: true
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}
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const PROJECT_ID = process.env.VUE_CLI_PROJECT_ID
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exports.IpcMessenger = class IpcMessenger {
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constructor (options = {}) {
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options = Object.assign({}, DEFAULT_OPTIONS, options)
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ipc.config.id = this.id = options.networkId
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ipc.config.retry = 1500
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ipc.config.silent = true
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this.connected = false
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this.connecting = false
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this.disconnecting = false
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this.queue = null
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this.options = options
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this.listeners = []
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this.disconnectTimeout = 15000
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this.idleTimer = null
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// Prevent forced process exit
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// (or else ipc messages may not be sent before kill)
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process.exit = code => {
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process.exitCode = code
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}
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this._reset()
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}
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checkConnection () {
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if (!ipc.of[this.id]) {
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this.connected = false
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}
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}
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send (data, type = 'message') {
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this.checkConnection()
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if (this.connected) {
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if (this.options.namespaceOnProject && PROJECT_ID) {
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data = {
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_projectId: PROJECT_ID,
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_data: data
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}
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}
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ipc.of[this.id].emit(type, data)
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clearTimeout(this.idleTimer)
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if (this.options.disconnectOnIdle) {
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this.idleTimer = setTimeout(() => {
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this.disconnect()
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}, this.options.idleTimeout)
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}
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} else {
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this.queue.push(data)
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if (this.options.autoConnect && !this.connecting) {
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this.connect()
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}
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}
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}
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connect () {
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this.checkConnection()
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if (this.connected || this.connecting) return
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this.connecting = true
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this.disconnecting = false
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ipc.connectTo(this.id, () => {
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this.connected = true
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this.connecting = false
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this.queue && this.queue.forEach(data => this.send(data))
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this.queue = null
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ipc.of[this.id].on('message', this._onMessage)
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})
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}
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disconnect () {
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this.checkConnection()
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if (!this.connected || this.disconnecting) return
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this.disconnecting = true
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this.connecting = false
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const ipcTimer = setTimeout(() => {
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this._disconnect()
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}, this.disconnectTimeout)
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this.send({ done: true }, 'ack')
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ipc.of[this.id].on('ack', data => {
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if (data.ok) {
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clearTimeout(ipcTimer)
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this._disconnect()
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}
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})
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}
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on (listener) {
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this.listeners.push(listener)
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}
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off (listener) {
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const index = this.listeners.indexOf(listener)
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if (index !== -1) this.listeners.splice(index, 1)
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}
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_reset () {
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this.queue = []
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this.connected = false
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}
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_disconnect () {
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this.connected = false
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this.disconnecting = false
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ipc.disconnect(this.id)
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this._reset()
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}
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_onMessage (data) {
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this.listeners.forEach(fn => {
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if (this.options.namespaceOnProject && data._projectId) {
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if (data._projectId === PROJECT_ID) {
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data = data._data
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} else {
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return
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}
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}
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fn(data)
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})
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}
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}
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