52 | obs::distinctUntilChanged()}
55 | end={end}
56 | completion={completion}
57 | label=".distinctUntilChanged()"
58 | />
59 |
60 | obs::distinctUntilChanged()}
63 | end={end}
64 | completion={completion}
65 | label=".distinctUntilChanged()"
66 | />
67 |
68 | ))
69 | .add('.delay(5)', () => (
70 | 
RxJS Diagrams
3 |
4 | React Components for visualising RxJS observables and operators
5 |
6 | 
7 | 
8 |
33 | (
42 |
50 | )
51 | })
52 | .add('.map(x => x * 10)', () => {
53 | const width = 80
54 | const input = [
55 | { x: 5, d: 1 },
56 | { x: 20, d: 2 },
57 | { x: 35, d: 2 },
58 | { x: 60, d: 1 },
59 | { x: 70, d: 3 }
60 | ]
61 |
62 | const output = transformEmissions(
63 | obs => obs::map(x => x * 10),
64 | width,
65 | input
66 | )
67 |
68 | return (
69 |
70 | (
79 |
87 | )
88 | })
89 | .add('.first()', () => {
90 | const width = 80
91 | const input = [
92 | { x: 5, d: 1 },
93 | { x: 20, d: 2 },
94 | { x: 35, d: 2 },
95 | { x: 60, d: 1 },
96 | { x: 70, d: 3 }
97 | ]
98 |
99 | const output = transformEmissions(
100 | obs => obs::first(),
101 | width,
102 | input
103 | )
104 |
105 | return (
106 |
107 | (
116 |
124 | )
125 | })
126 | .add('.delay(5)', () => {
127 | const width = 80
128 | const input = [
129 | { x: 5, d: 1 },
130 | { x: 20, d: 2 },
131 | { x: 35, d: 2 },
132 | { x: 60, d: 1 },
133 | { x: 70, d: 3 }
134 | ]
135 |
136 | const output = transformEmissions(
137 | (obs, scheduler) => obs::delay(5, scheduler),
138 | width,
139 | input
140 | )
141 |
142 | return (
143 |
144 | (
153 |
161 | )
162 | })
163 | .add('.combineLatest((x, y) => `${x}${y}`)', () => {
164 | const width = 80
165 | const inputA = [
166 | { x: 5, d: 1 },
167 | { x: 20, d: 2 },
168 | { x: 35, d: 3 },
169 | { x: 60, d: 4 },
170 | { x: 70, d: 5 }
171 | ]
172 |
173 | const inputB = [
174 | { x: 5, d: 'A' },
175 | { x: 28, d: 'B' },
176 | { x: 35, d: 'C' },
177 | { x: 45, d: 'D' },
178 | { x: 70, d: 'E' }
179 | ]
180 |
181 | const output = transformEmissions(
182 | (a, b, scheduler) => combineLatest(a, b, (x, y) => `${x}${y}`, scheduler),
183 | width,
184 | inputA,
185 | inputB
186 | )
187 |
188 | return (
189 |
190 | (
204 |
212 | )
213 | })
214 | .add('.scan((acc, d) => acc + d)', () => {
215 | const width = 80
216 | const input = [
217 | { x: 5, d: 1 },
218 | { x: 20, d: 2 },
219 | { x: 35, d: 3 },
220 | { x: 60, d: 4 },
221 | { x: 70, d: 5 }
222 | ]
223 |
224 | const reducer = (acc, d) => acc + d
225 |
226 | const output = transformEmissions(
227 | obs => obs::scan((acc, d) => acc + d),
228 | width,
229 | input
230 | )
231 |
232 | return (
233 |
234 | (
243 |
251 | )
252 | })
253 |
--------------------------------------------------------------------------------
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