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77 lines
1.3 KiB
JavaScript
77 lines
1.3 KiB
JavaScript
// EXAMPLE: bitfield_tutorial
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// HIDE_START
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import assert from 'assert';
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import { createClient } from 'redis';
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const client = createClient();
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await client.connect();
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// HIDE_END
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// REMOVE_START
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await client.flushDb();
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// REMOVE_END
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// STEP_START bf
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let res1 = await client.bitField("bike:1:stats", [{
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operation: 'SET',
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encoding: 'u32',
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offset: '#0',
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value: 1000
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}]);
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console.log(res1); // >>> [0]
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let res2 = await client.bitField('bike:1:stats', [
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{
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operation: 'INCRBY',
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encoding: 'u32',
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offset: '#0',
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increment: -50
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},
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{
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operation: 'INCRBY',
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encoding: 'u32',
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offset: '#1',
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increment: 1
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}
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]);
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console.log(res2); // >>> [950, 1]
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let res3 = await client.bitField('bike:1:stats', [
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{
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operation: 'INCRBY',
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encoding: 'u32',
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offset: '#0',
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increment: 500
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},
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{
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operation: 'INCRBY',
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encoding: 'u32',
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offset: '#1',
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increment: 1
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}
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]);
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console.log(res3); // >>> [1450, 2]
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let res4 = await client.bitField('bike:1:stats', [
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{
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operation: 'GET',
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encoding: 'u32',
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offset: '#0'
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},
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{
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operation: 'GET',
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encoding: 'u32',
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offset: '#1'
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}
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]);
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console.log(res4); // >>> [1450, 2]
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// STEP_END
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// REMOVE_START
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assert.deepEqual(res1, [0])
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assert.deepEqual(res2, [950, 1])
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assert.deepEqual(res3, [1450, 2])
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assert.deepEqual(res4, [1450, 2])
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await client.quit();
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// REMOVE_END
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