rxjs#last TypeScript Examples

The following examples show how to use rxjs#last. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: search.spec.ts    From platyplus with MIT License 6 votes vote down vote up 
describe('monitor changes', () => {
  const expression$ = 'a.b.c'
  const given = from([
    { a: { b: { c: 'hello' } } },
    { a: { b: { c: 'world' } } }
  ])
  it('should pass when changing value', (done) => {
    given
      .pipe(search$(expression$))
      .pipe(first())
      .subscribe({
        next: (result) => {
          expect(result).toEqual('hello')
        },
        error: done
      })
    given
      .pipe(search$(expression$))
      .pipe(last())
      .subscribe({
        next: (result) => {
          expect(result).toEqual('world')
          done()
        },
        error: done
      })
  }, 300)
})