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Building real time data heavy interfaces for SaaS
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Siddharth Kshetrapal
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@siddharthkp
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@siddharthkp javascript architect
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@siddharthkp javascript architect past: practo
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@siddharthkp interfaces, web performance, open source
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bit.ly/siddharthkpshow
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Building real time data heavy interfaces for SaaS
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Building real time data heavy interfaces for SaaS
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- user tailored content - N users - data changes fast
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- user tailored content - N users - data changes fast
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- user tailored content - N users - data changes fast
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shot by Joshua Sortino
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shot by Petr Knoll
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shot by Imran Khan
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shot by Rajat Kashyap
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shot by Eric Hoffman
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- user tailored content - N users - data changes fast
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real time
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2012
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2012
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polling
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would this scale? lol no
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[email protected]
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const server = require('http').createServer().listen(3000) const io = require('socket.io')(server) io.on('connection', socket => { socket.on('appointment', data => { socket.broadcast.emit('appointment', data) }) })
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const server = require('http').createServer().listen(3000) const io = require('socket.io')(server) io.on('connection', socket => { socket.on('appointment', data => { socket.broadcast.emit('appointment', data) }) })
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const server = require('http').createServer().listen(3000) const io = require('socket.io')(server) io.on('connection', socket => { socket.on('appointment', data => { socket.broadcast.emit('appointment', data) }) })
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const server = require('http').createServer().listen(3000) const io = require('socket.io')(server) io.on('connection', socket => { socket.on('appointment', data => { socket.broadcast.emit('appointment', data) }) })
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const server = require('http').createServer().listen(3000) const io = require('socket.io')(server) io.on('connection', socket => { socket.on('appointment', data => { socket.broadcast.emit('appointment', data) }) })
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const io = require('socket.io-client') const socket = io('http://localhost:3000') socket.on('appointment', data => { // update calendar })
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const io = require('socket.io-client') const socket = io('http://localhost:3000') socket.on('appointment', data => { // update calendar })
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const io = require('socket.io-client') const socket = io('http://localhost:3000') socket.on('appointment', data => { // update calendar })
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const io = require('socket.io-client') const socket = io('http://localhost:3000') socket.on('appointment', data => { // update calendar })
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10x developers
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10x doctors
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shot by Imran Khan
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npm install idb-wrapper
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const IDBStore = require('idb-wrapper') const apptStore = new IDBStore({ dbVersion: 1, storeName: 'appointments', keyPath: 'id', autoIncrement: true })
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const IDBStore = require('idb-wrapper') const apptStore = new IDBStore({ dbVersion: 1, storeName: 'appointments', keyPath: 'id', autoIncrement: true })
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apptStore.put({ id: 1, patient_name: 'Siddharth', doctor_id: 2, start_time: '2017-10-07 10:00:00', end_time: '2017-10-07 10:30:00' }, callback, errorCallback) apptStore.batch(arrayOfAppointments, callback, errorCB)
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apptStore.put({ id: 1, patient_name: 'Siddharth', doctor_id: 2, start_time: '2017-10-07 10:00:00', end_time: '2017-10-07 10:30:00' }, callback, errorCallback) apptStore.batch(arrayOfAppointments, callback, errorCB)
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apptStore.put({ id: 1, patient_name: 'Siddharth', doctor_id: 2, start_time: '2017-10-07 10:00:00', end_time: '2017-10-07 10:30:00' }, callback, errorCallback) apptStore.batch(arrayOfAppointments, callback, errorCB)
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apptStore.get(1, callback, errorCB) apptStore.getAll apptStore.query apptStore.remove apptStore.clear
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get('/api/appointments?from=2017-10-06&till=2017-10-13') .then(appointments => { apptStore.batch(appointments, callback, errorCB) })
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get('/api/appointments?from=2017-10-06&till=2017-10-13') .then(appointments => { apptStore.batch(appointments, callback, errorCB) })
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eager fetching
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get('/api/appointments?updated_after=2017-10-06 10:30:00') .then(appointments => { apptStore.batch(appointments, callback, errorCB) })
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const io = require('socket.io-client') const socket = io('http://localhost:3000') socket.on('appointment', data => { apptStore.put(data) })
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main thead locked?
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const worker = new Worker('sync.js') worker.postMessage({trigger: 'start_sync'})
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const worker = new Worker('sync.js') worker.postMessage({trigger: 'start_sync'})
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// sync.js self.onMessage(message => if (message.trigger === 'start_sync') { // fetch data from api // batch update indexedDB } })
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// sync.js self.onMessage(message => if (message.trigger === 'start_sync') { // fetch data from api // batch update indexedDB } })
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// sync.js self.onMessage(message => if (message.trigger === 'start_sync') { // fetch data from api // batch update indexedDB } })
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@siddharthkp DM is open, say hi!
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@siddharthkp DM is open, say hi! bit.ly/react-training