impl turnon/off and notifications
This commit is contained in:
icanos
parent
5d90bceb99
commit
c21d7e1243
3 changed files with 167 additions and 3 deletions
106
plejd/ble.js
106
plejd/ble.js
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@ -3,7 +3,6 @@ const crypto = require('crypto');
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const xor = require('buffer-xor');
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const _ = require('lodash');
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const EventEmitter = require('events');
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const sleep = require('sleep');
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let debug = 'console';
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@ -47,8 +46,11 @@ class PlejdService extends EventEmitter {
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this.devices = {};
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// Keeps track of the currently connected device
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this.device = null;
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this.deviceAddress = null;
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this.deviceIdx = 0;
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this.writeQueue = [];
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// Holds a reference to all characteristics
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this.characteristicState = STATE_UNINITIALIZED;
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this.characteristics = {
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@ -62,6 +64,27 @@ class PlejdService extends EventEmitter {
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this.wireEvents();
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}
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turnOn(id, brightness) {
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logger('turning on ' + id + ' at brightness ' + brightness);
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var payload;
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if (!brightness) {
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payload = Buffer.from((id).toString(16).padStart(2, '0') + '0110009701', 'hex');
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} else {
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brightness = brightness << 8 | brightness;
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payload = Buffer.from((id).toString(16).padStart(2, '0') + '0110009801' + (brightness).toString(16).padStart(4, '0'), 'hex');
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}
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this.write(payload);
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}
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turnOff(id) {
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logger('turning off ' + id);
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var payload = Buffer.from((id).toString(16).padStart(2, '0') + '0110009700', 'hex');
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this.write(payload);
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}
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scan() {
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logger('scan()');
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@ -112,6 +135,14 @@ class PlejdService extends EventEmitter {
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return;
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}
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this.deviceAddress = this._reverseBuffer(
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Buffer.from(
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String(this.device.address)
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.replace(/\-/g, '')
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.replace(/\:/g, ''), 'hex'
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)
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);
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logger('connecting to ' + this.device.id + ' with addr ' + this.device.address + ' and rssi ' + this.device.rssi);
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setTimeout(() => {
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if (self.state !== STATE_CONNECTED && self.state !== STATE_AUTHENTICATED) {
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@ -141,7 +172,12 @@ class PlejdService extends EventEmitter {
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return;
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}
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clearInterval(this.pingRef);
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this.unsubscribeCharacteristics();
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this.device.disconnect();
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this.state = STATE_DISCONNECTED;
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}
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authenticate() {
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@ -179,6 +215,22 @@ class PlejdService extends EventEmitter {
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});
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}
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write(data) {
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if (this.state !== STATE_AUTHENTICATED) {
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logger('error: not connected.');
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this.writeQueue.push(data);
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return false;
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}
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const encryptedData = this._encryptDecrypt(this.cryptoKey, this.deviceAddress, data);
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this.characteristics.data.write(encryptedData, false);
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let writeData;
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while ((writeData = this.writeQueue.shift()) !== undefined) {
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this.characteristics.data.write(this._encryptDecrypt(this.cryptoKey, this.deviceAddress, writeData), false);
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}
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}
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onAuthenticated() {
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// Start ping
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logger('onAuthenticated()');
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@ -194,6 +246,9 @@ class PlejdService extends EventEmitter {
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logger('ping');
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this.ping();
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}
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else if (this.state === STATE_DISCONNECTED) {
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console.log('warning: device disconnected, stop ping.');
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}
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else {
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console.log('error: ping failed, not connected.');
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}
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@ -210,7 +265,9 @@ class PlejdService extends EventEmitter {
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logger('stopping ping and reconnecting.');
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clearInterval(this.pingRef);
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this.unsubscribeCharacteristics();
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this.state = STATE_DISCONNECTED;
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this.connect(this.device.id);
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}
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@ -322,6 +379,10 @@ class PlejdService extends EventEmitter {
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&& self.characteristics.ping) {
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self.characteristicState = STATE_INITIALIZED;
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// subscribe to notifications
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this.subscribeCharacteristics();
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self.emit('deviceCharacteristicsComplete', self.device);
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}
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});
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@ -367,6 +428,28 @@ class PlejdService extends EventEmitter {
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}
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}
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onLastDataUpdated(data, isNotification) {
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const decoded = this._encryptDecrypt(this.cryptoKey, this.deviceAddress, data);
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let state = 0;
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let dim = 0;
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let device = parseInt(decoded[0], 10);
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if (decoded.toString('hex', 3, 5) === '00c8' || decoded.toString('hex', 3, 5) === '0098') {
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state = parseInt(decoded.toString('hex', 5, 6), 10);
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dim = parseInt(decoded.toString('hex', 6, 8), 16) >> 8;
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logger('d: ' + device + ' got state+dim update: ' + state + ' - ' + dim);
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this.emit('dimChanged', device, state, dim);
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}
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else if (decoded.toString('hex', 3, 5) === '0097') {
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state = parseInt(decoded.toString('hex', 5, 6), 10);
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logger('d: ' + device + ' got state update: ' + state);
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this.emit('stateChanged', device, state);
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}
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}
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wireEvents() {
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logger('wireEvents()');
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const self = this;
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@ -383,6 +466,27 @@ class PlejdService extends EventEmitter {
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this.on('pingSuccess', this.onPingSuccess.bind(self));
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}
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subscribeCharacteristics() {
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if (this.characteristics.lastData) {
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this.characteristics.lastData.subscribe((err) => {
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if (err) {
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console.log('error: could not subscribe to event.');
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}
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});
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this.characteristics.lastData.on('data', this.onLastDataUpdated.bind(this));
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}
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}
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unsubscribeCharacteristics() {
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if (this.characteristics.lastData) {
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this.characteristics.lastData.unsubscribe((err) => {
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if (err) {
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console.log('error: could not unsubscribe from event.');
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}
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});
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}
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}
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_createChallengeResponse(key, challenge) {
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const intermediate = crypto.createHash('sha256').update(xor(key, challenge)).digest();
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const part1 = intermediate.subarray(0, 16);
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60
plejd/package-lock.json
generated
60
plejd/package-lock.json
generated
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@ -24,6 +24,11 @@
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"node-addon-api": "^1.1.0"
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}
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},
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"@types/zen-observable": {
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"version": "0.8.0",
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"resolved": "https://registry.npmjs.org/@types/zen-observable/-/zen-observable-0.8.0.tgz",
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"integrity": "sha512-te5lMAWii1uEJ4FwLjzdlbw3+n0FZNOvFXHxQDKeT0dilh7HOzdMzV2TrJVUzq8ep7J4Na8OUYPRLSQkJHAlrg=="
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},
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"abbrev": {
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"version": "1.1.1",
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"resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
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@ -134,6 +139,11 @@
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"readable-stream": "> 1.0.0 < 3.0.0"
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}
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},
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"callsites": {
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"version": "3.1.0",
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"resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
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"integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ=="
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},
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"chownr": {
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"version": "1.1.3",
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"resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.3.tgz",
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@ -311,6 +321,11 @@
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"ext": "^1.1.2"
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}
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},
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"esm": {
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"version": "3.2.25",
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"resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
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"integrity": "sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA=="
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},
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"event-emitter": {
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"version": "0.3.5",
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"resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
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@ -550,6 +565,14 @@
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"resolved": "https://registry.npmjs.org/is-negated-glob/-/is-negated-glob-1.0.0.tgz",
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"integrity": "sha1-aRC8pdqMleeEtXUbl2z1oQ/uNtI="
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},
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"is-observable": {
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"version": "1.1.0",
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"resolved": "https://registry.npmjs.org/is-observable/-/is-observable-1.1.0.tgz",
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"integrity": "sha512-NqCa4Sa2d+u7BWc6CukaObG3Fh+CU9bvixbpcXYhy2VvYS7vVGIdAgnIS5Ks3A/cqk4rebLJ9s8zBstT2aKnIA==",
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"requires": {
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"symbol-observable": "^1.1.0"
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}
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},
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"is-relative": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/is-relative/-/is-relative-1.0.0.tgz",
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@ -818,6 +841,11 @@
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"resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
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"integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
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},
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"observable-fns": {
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"version": "0.4.0",
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"resolved": "https://registry.npmjs.org/observable-fns/-/observable-fns-0.4.0.tgz",
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"integrity": "sha512-2BFtEqza7sjLpgImAmagHK97mBwh3+bkwAZS/qF/4n2S8RzKsbdsdOczRBh+Piz7QgQZRAjTzI5vtxtOUgU+cQ=="
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},
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"once": {
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"version": "1.4.0",
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"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
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@ -1090,6 +1118,11 @@
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"resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
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"integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
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},
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"symbol-observable": {
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"version": "1.2.0",
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"resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.2.0.tgz",
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"integrity": "sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ=="
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},
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"tar": {
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"version": "4.4.13",
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"resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
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@ -1142,6 +1175,20 @@
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}
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}
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},
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"threads": {
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"version": "1.0.0-beta.9",
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"resolved": "https://registry.npmjs.org/threads/-/threads-1.0.0-beta.9.tgz",
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"integrity": "sha512-ZjpQvqA78p+y4jtlhnQsKc8V9AwUvrWwOhy9FkFKWO24JHKte3oWllmjvUw896YqrZymsJvqJwlbUHV1CpVtKw==",
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"requires": {
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"@types/zen-observable": "^0.8.0",
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"callsites": "^3.1.0",
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"debug": "^4.1.1",
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"is-observable": "^1.1.0",
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"observable-fns": "^0.4.0",
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"tiny-worker": ">= 2",
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"zen-observable": "^0.8.14"
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}
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},
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"through2": {
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"version": "2.0.5",
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"resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
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@ -1160,6 +1207,14 @@
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"xtend": "~4.0.0"
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}
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},
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"tiny-worker": {
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"version": "2.3.0",
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"resolved": "https://registry.npmjs.org/tiny-worker/-/tiny-worker-2.3.0.tgz",
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"integrity": "sha512-pJ70wq5EAqTAEl9IkGzA+fN0836rycEuz2Cn6yeZ6FRzlVS5IDOkFHpIoEsksPRQV34GDqXm65+OlnZqUSyK2g==",
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"requires": {
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"esm": "^3.2.25"
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}
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},
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"to-absolute-glob": {
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"version": "2.0.2",
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"resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
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@ -1282,6 +1337,11 @@
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"version": "3.1.1",
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"resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
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"integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
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},
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"zen-observable": {
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"version": "0.8.15",
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"resolved": "https://registry.npmjs.org/zen-observable/-/zen-observable-0.8.15.tgz",
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"integrity": "sha512-PQ2PC7R9rslx84ndNBZB/Dkv8V8fZEpk83RLgXtYd0fwUgEjseMn1Dgajh2x6S8QbZAFa9p2qVCEuYZNgve0dQ=="
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}
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}
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}
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