TypeScript core.Stream类代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› TypeScript›TypeScript教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了TypeScript中@tempest/core.Stream类的典型用法代码示例。如果您正苦于以下问题：TypeScript Stream类的具体用法？TypeScript Stream怎么用？TypeScript Stream使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Stream类的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: it

  it ('should remember the last value for a late subscriber', (done) => {
    const stream = new Stream<number>({
      run (sink: Sink<number>, scheduler: Scheduler) {
        let i = -1
        const interval = setInterval(() => {
          sink.event(scheduler.now(), ++i)
        }, 50)

        return {
          dispose () {
            clearInterval(interval)
          }
        }
      }
    })

    const rstream = remember(stream)

    stream.subscribe()
    setTimeout(() => {
      rstream.subscribe((x: number) => {
        assert(x === 1)
        done()
      })
    }, 80)
  })

开发者ID:TylorS，项目名称:tempest，代码行数:26，代码来源:index.ts

示例2: it

  it ('should be curried', (done) => {
    const predicate = (x: number) => x > 2
    const greaterThan2 = filter(predicate)
    const stream: Stream<number> = greaterThan2(Stream.of(1, 2, 3))
    const expected = [3]

    stream.subscribe((x: number) => {
      assert(x === expected.shift())
    }, done, () => done())
  })

开发者ID:TylorS，项目名称:tempest，代码行数:10，代码来源:index.ts

示例3: it

  it ('should create a stream from a Promise', (done) => {
    const promise: Promise<number> = Promise.resolve<number>(123)
    const stream: Stream<number> = fromPromise(promise)

    const expected = [123]

    stream.subscribe((x: number) => {
      assert(x === expected.shift())
    }, done, () => done())
  })

开发者ID:TylorS，项目名称:tempest，代码行数:10，代码来源:index.ts

示例4: it

  it ('should create a stream of incrementing numbers', (done) => {
    const stream: Stream<number> = periodic(100)
    const expected = [0, 1, 2, 3]

    const sub = stream.subscribe((x) => {
      assert(x === expected.shift())
      if (expected.length === 0) {
        sub.unsubscribe()
        done()
      }
    })
  })

开发者ID:TylorS，项目名称:tempest，代码行数:12，代码来源:index.ts

示例5: it

 it ('should only emit the last value of a stream', (done) => {
   const stream = last(Stream.from([1, 2, 3]))
   const expected = [3]
   stream.subscribe((value) => {
     assert(value === expected.shift())
   }, done, () => done())
 })

开发者ID:TylorS，项目名称:tempest，代码行数:7，代码来源:index.ts

示例6: it

  it ('should merge multiple streams into 1', (done) => {
    const stream = merge([
      Stream.of(1),
      Stream.of(2),
      Stream.of(3)
    ])

    const expected = [1, 2, 3]

    stream.subscribe((x) => {
      assert(x === expected.shift())
    }, done, () => {
      assert(expected.length === 0)
      done()
    })
  })

开发者ID:TylorS，项目名称:tempest，代码行数:16，代码来源:index.ts

示例7: it

  it ('should accumulate values over time', (done) => {
    const stream = fold((x, y) => x + y, 0, Stream.of(1, 1, 1))
    const expected = [0, 1, 2, 3]

    stream.subscribe((x) => {
      assert(x === expected.shift())
    }, done, () => done())
  })

开发者ID:TylorS，项目名称:tempest，代码行数:8，代码来源:index.ts

示例8: it

  it ('should take n events and end', (done) => {
    const stream = take(1, Stream.of(1, 2, 3))
    const expected = [1]

    stream.subscribe((x: number) => {
      assert(x === expected.shift())
    }, done, () => done())
  })

开发者ID:TylorS，项目名称:tempest，代码行数:8，代码来源:index.ts

示例9: it

  it ('should drop first n events', (done) => {
    const stream = drop(1, Stream.of(1, 2, 3))
    const expected = [2, 3]

    stream.subscribe((x: number) => {
      assert(x === expected.shift())
    }, done, () => done())
  })

开发者ID:TylorS，项目名称:tempest，代码行数:8，代码来源:index.ts

注：本文中的@tempest/core.Stream类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。