Persist device state with node-persist. This allows multiple controllers to share state, and for device to maintain settings between shutdowns.
This commit is contained in:
parent
d0e1026c7a
commit
b307567a51
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@ -1,2 +1,3 @@
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node_modules
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run_dev.sh
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run_dev.sh
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state
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@ -265,12 +265,15 @@
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<option value="33">2</option>
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</select>
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</div>
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<h2>BLUETOOTH</h2>
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<select id="bluetooth">
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<option>N/A</option>
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</select>
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<h2>WIFI</h2>
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<div>
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<div class="label">Wifi SSID</div>
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<input type="text" id="ssid" placeholder="Wifi SSID" />
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</div>
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<div>
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<div class="label">Wifi Password</div>
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<input type="password" id="password" placeholder="Wifi Password" />
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</div>
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</div>
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@ -1,10 +1,12 @@
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'use strict'
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const log = require('../log')('intval')
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const storage = require('node-persist')
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const fs = require('fs')
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let Gpio
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try {
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Gpio = require('onoff').Gpio
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//Gpio = require('onoff').Gpio
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} catch (e) {
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log.warn('Failed including Gpio, using sim')
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Gpio = require('../../lib/onoffsim').Gpio
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@ -36,7 +38,53 @@ const PINS = {
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const intval = {}
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intval.init = function () {
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if (!fs.existsSync('./state')) fs.mkdirSync('./state')
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storage.init({
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dir: './state',
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stringify: JSON.stringify,
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parse: JSON.parse,
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encoding: 'utf8',
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logging: false, // can also be custom logging function
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continuous: true, // continously persist to disk
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interval: false, // milliseconds, persist to disk on an interval
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ttl: false, // ttl* [NEW], can be true for 24h default or a number in MILLISECONDS
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expiredInterval: 2 * 60 * 1000, // [NEW] every 2 minutes the process will clean-up the expired cache
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forgiveParseErrors: false // [NEW]
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}).then((res) => {
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//console.dir(res)
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storage.getItem('_state', 'test').then(intval._setState).catch((err) => {
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intval._setState(undefined)
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log.error('init', err)
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})
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}).catch((err) => {
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log.error('init', err)
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})
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intval._frame = {
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open : 250, //delay before pausing frame in open state
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openBwd : 400,
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closed : 100, //time that frame actually remains closed for
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expected : 630 //expected length of frame, in ms
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}
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intval._release = {
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min : 20,
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seq : 1000
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}
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intval._microDelay = 10 // delay after stop signal before stopping motors
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intval._pin = {}
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intval._declarePins()
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process.on('SIGINT', intval._undeclarePins)
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process.on('uncaughtException', intval._undeclarePins)
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}
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intval._setState = function (data) {
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if (typeof data !== 'undefined') {
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intval._state = data
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intval._state.frame.cb = () => {}
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log.info('_setState', 'Restored intval state from disk')
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return true
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}
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intval._state = {
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frame : {
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dir : true, //forward
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@ -57,22 +105,17 @@ intval.init = function () {
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},
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counter : 0
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}
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intval._frame = {
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open : 250, //delay before pausing frame in open state
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openBwd : 400,
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closed : 100, //time that frame actually remains closed for
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expected : 630 //expected length of frame, in ms
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}
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intval._release = {
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min : 20,
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seq : 1000
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}
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intval._microDelay = 10 // delay after stop signal before stopping motors
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intval._declarePins()
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process.on('SIGINT', intval._undeclarePins)
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process.on('uncaughtException', intval._undeclarePins)
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intval._storeState()
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}
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intval._storeState = function () {
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setItem('_state', intval._state)
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.then(() => {})
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.catch((err) => {
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log.error('_storeState', err)
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})
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}
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/**
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* (internal function) Declares all Gpio pins that will be used
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*
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@ -253,20 +296,24 @@ intval.setDir = function (val = true) {
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return log.warn('Direction must be represented as either true or false')
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}
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intval._state.frame.dir = val
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intval._storeState()
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log.info('setDir', { direction : val ? 'forward' : 'backward' })
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}
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intval.setExposure = function (val = 0) {
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intval._state.frame.exposure = val
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intval._storeState()
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log.info('setExposure', { exposure : val })
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}
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intval.setDelay = function (val = 0) {
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intval._state.frame.delay = val
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intval._storeState()
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log.info('setDelay', { delay : val })
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}
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intval.setCounter = function (val = 0) {
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intval._state.counter = val
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intval._storeState()
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log.info('setCounter', { counter : val })
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}
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/**
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@ -321,11 +368,13 @@ intval.frame = function (dir = null, time = null, cb = () => {}) {
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if (dir) {
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intval._state.frame.cb = (len) => {
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intval._state.counter++
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intval._storeState()
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cb(len)
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}
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} else {
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intval._state.frame.cb = (len) => {
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intval._state.counter--
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intval._storeState()
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cb(len)
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}
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}
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@ -607,16 +607,46 @@
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"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
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"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
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},
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"is-absolute": {
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"version": "0.2.6",
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"resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-0.2.6.tgz",
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"integrity": "sha1-IN5p89uULvLYe5wto28XIjWxtes=",
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"requires": {
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"is-relative": "0.2.1",
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"is-windows": "0.2.0"
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}
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},
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"is-regexp": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/is-regexp/-/is-regexp-1.0.0.tgz",
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"integrity": "sha1-/S2INUXEa6xaYz57mgnof6LLUGk="
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},
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"is-relative": {
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"version": "0.2.1",
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"resolved": "https://registry.npmjs.org/is-relative/-/is-relative-0.2.1.tgz",
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"integrity": "sha1-0n9MfVFtF1+2ENuEu+7yPDvJeqU=",
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"requires": {
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"is-unc-path": "0.1.2"
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}
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},
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"is-supported-regexp-flag": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/is-supported-regexp-flag/-/is-supported-regexp-flag-1.0.0.tgz",
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"integrity": "sha1-i1IMhfrnolM4LUsCZS4EVXbhO7g="
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},
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"is-unc-path": {
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"version": "0.1.2",
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"resolved": "https://registry.npmjs.org/is-unc-path/-/is-unc-path-0.1.2.tgz",
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"integrity": "sha1-arBTpyVzwQJQ/0FqOBTDUXivObk=",
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"requires": {
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"unc-path-regex": "0.1.2"
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}
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},
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"is-windows": {
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"version": "0.2.0",
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"resolved": "https://registry.npmjs.org/is-windows/-/is-windows-0.2.0.tgz",
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"integrity": "sha1-3hqm1j6indJIc3tp8f+LgALSEIw="
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},
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"isarray": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
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@ -888,6 +918,16 @@
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"js-queue": "2.0.0"
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}
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},
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"node-persist": {
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"version": "2.1.0",
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"resolved": "https://registry.npmjs.org/node-persist/-/node-persist-2.1.0.tgz",
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"integrity": "sha1-5lK784haBNrWo1PXQXYXfIORRwc=",
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"requires": {
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"is-absolute": "0.2.6",
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"mkdirp": "0.5.1",
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"q": "1.1.2"
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}
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},
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"object-get": {
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"version": "2.1.0",
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"resolved": "https://registry.npmjs.org/object-get/-/object-get-2.1.0.tgz",
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@ -946,6 +986,11 @@
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"resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
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"integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
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},
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"q": {
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"version": "1.1.2",
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"resolved": "https://registry.npmjs.org/q/-/q-1.1.2.tgz",
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"integrity": "sha1-Y1fikSBnAdmfGXq4TlforRlvKok="
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},
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"qs": {
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"version": "6.5.0",
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"resolved": "https://registry.npmjs.org/qs/-/qs-6.5.0.tgz",
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@ -1312,6 +1357,11 @@
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}
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}
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},
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"unc-path-regex": {
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"version": "0.1.2",
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"resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
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"integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
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},
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"underscore": {
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"version": "1.8.3",
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"resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
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@ -28,6 +28,7 @@
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"cron": "^1.2.1",
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"gpio": "^0.2.7",
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"node-ipc": "^9.1.0",
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"node-persist": "^2.1.0",
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"onoff": "^1.1.5",
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"restify": "^5.2.0",
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"uuid": "^3.1.0",
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