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Pipeable - #8976
Pipeable#8976
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| import {LogEntry, Logger} from './logger'; | ||
| import {ConsoleLoggerStack} from './console-logger-stack'; | ||
| import {NullLogger} from './null-logger'; | ||
| import {toArray} from 'rxjs/operators'; |
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This should be an import directly from 'rxjs/operators/toArray'
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no, importing from 'rxjs/operators' is fine
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This is to maintain parity with angular/material2, angular/flex-layout, and angular/preboot, starting with angular/components#8160. It seems like it's an open question though on that thread, and will probably become irrelevant as RxJS 6 comes closer
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Importing from operators does cause a larger bundle currently but from memory that's a bug at the moment and should be fixed. With that in mind I think the more ergonomic approach should be the desired kne
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Please note also that this is a node application not a web application. Bundle size is irrelevant.
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I think it's more about setting a precedent for best practices, as a lot of developers look to first-party packages like this for guidance (node app or no), especially when it comes to RxJS. Again, for this at least it seems to be a non-starter, the only reason I'm leaving this comment up is to archive the discussion.
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Best practices for RxJS 6 is to import {toArray} from 'rxjs'. I'm personally okay with this as it's likely the whole Angular ecosystem will move towards that over the next quarter or two.
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Maybe blacklist importing the whole rxjs library by adding this to tslint.json |
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@CDDelta Importing from
Let alone this change is for cli tasks only. |
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@trotyl I just thought it would be a good idea since that was what @CaerusKaru was pushing for, but you are right this is more of a style thing than a tree-shaking thing. |
| import {Observable} from 'rxjs/Observable'; | ||
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| import 'rxjs/add/observable/empty'; | ||
| import { EmptyObservable } from 'rxjs/Observable/EmptyObservable'; |
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Lower case 'o' in rxjs/observable/EmptyObservable.
Also rxjs v6 appears to be moving towards using creation helpers over class instantiation. So may want to go with import { empty } from 'rxjs/observable/empty';
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