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Scaling React Applications
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Stepan Parunashvili
June 02, 2016
Technology
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Scaling React Applications
On Scaling React Applications, at Applicative 2016
Stepan Parunashvili
June 02, 2016
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Transcript
On Scaling React Applications Stepan Parunashvili 1
@stopachka www.stepanp.com 2
3 Scaling React Applications?
4 Scaling React Applications?
Scaling Your Team 5
6 # engineers output
7 # engineers output
8 # engineers output
9 # engineers output
Scaling Your Product 10
11 LOC # features
12 LOC # features rewrite
13 LOC # features
Goal: Scale Frontend 14
Why React? 15
16
...2015 17
...2014 18
...2013 19
...2012 20
...2011 21
2010 22
23
24 v0.1.0
25
26
27
28
29
30
increment append, decrement, replace 31
Now... 32
33
34
35
36
37
Problem: Keep the DOM in Sync 38
39
40
41
42
2011... 43
2012... 44
2013 45
46
47
48
declarative 49
50
composable 51
52
cohesive 53
54
declarative composable cohesive 55
What's next? 56
57
58
59
How do we do this? 60
Container Components 61
62 props @huang47
63 FooContainer
64 FooContainer Foo
65 FooContainer Foo handle data ui logic
66
Why? 67
68 Container Components • manage data
69 Container Components • manage data • ui logic
70 Container Components • manage data • ui logic •
reusable
71 Container Components • manage data • ui logic •
reusable • tests needed
72 UI Components • manage data • ui logic •
reusable • tests needed
73
74
75
76
77
78
79
80
timeout/retry 81
timeout/retry batch 82
timeout/retry batch filter params 83
84
85
86
87
88
89
90
91
Expose UI Components 92
93
94
95 UI Component
96 container container
* Works best with Redux 97
98
99
100 Containers to Manage Data Expose UI Components Keep a
single app state
What's next? 101
102
103 Step: Action Fired
104 Step: Diff Virtual DOM
105 Step: Apply changeset
106 Step: Diff Virtual DOM
107 Step: Diff Virtual DOM :0
None
None
None
None
None
1 year later... 113
1 year later... 114
None
ImmutableJS 116
None
None
None
None
None
Structural Sharing 122
None
None
Robust by Default 125
None
None
None
None
None
Records 131
None
None
None
None
What's next? 136
HOC 137
None
Implicit Contracts 139
Implicit Contracts State Clashes 140
Implicit Contracts State Clashes Performance Issues 141
None
None
Push difficulties towards the core 144
On JS Fatigue 145
Stick to Principles 146
Could this be a paradigm shift? 147
Could this level the playing field? 148
Could this reduce iteration time? 149
For now, 150
Use Container Components Use Immutable Data Use FP 151
Bonus: relay, redux-saga css-modules 152
Thank you :) 153