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Previously effects were queued as they became dirty, and this queue was flushed at various checkpoints during the change detection cycle. The result was that change detection _was_ the effect runner, and without executing CD, effects would not execute. This leads a particular tradeoff: * effects are subject to unidirectional data flow (bad for dx) * effects don't cause a new round of CD (good/bad depending on use case) * effects can be used to implement control flow efficiently (desirable) This commit changes the scheduling mechanism. Effects are now scheduled via the microtask queue. This changes the tradeoffs: * effects are no longer limited by unidirectional data flow (easy dx) * effects registered in the Angular zone will trigger CD after they run (same as `Promise.resolve` really) * the public `effect()` type of effect probably isn't a good building block for our built-in control flow, and we'll need a new internal abstraction. As `effect()` is in developer preview, changing the execution timing is not considered breaking even though it may impact current users. PR Close #51049 |
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| .. | ||
| animations | ||
| bazel | ||
| benchpress | ||
| common | ||
| compiler | ||
| compiler-cli | ||
| core | ||
| docs/di | ||
| elements | ||
| examples | ||
| forms | ||
| language-service | ||
| localize | ||
| misc/angular-in-memory-web-api | ||
| platform-browser | ||
| platform-browser-dynamic | ||
| platform-server | ||
| private/testing | ||
| router | ||
| service-worker | ||
| upgrade | ||
| zone.js | ||
| BUILD.bazel | ||
| circular-deps-test.conf.js | ||
| empty.ts | ||
| goog.d.ts | ||
| license-banner.txt | ||
| README.md | ||
| system.d.ts | ||
| tsconfig-build.json | ||
| tsconfig-legacy-saucelabs.json | ||
| tsconfig-test.json | ||
| tsconfig-tsec-base.json | ||
| tsconfig.json | ||
| tsec-exemption.json | ||
| types.d.ts | ||
Angular
The sources for this package are in the main Angular repo. Please file issues and pull requests against that repo.
Usage information and reference details can be found in Angular documentation.
License: MIT