2961bf06c6
This change moves information from instructions to declarative position: - `ɵɵallocHostVars(vars)` => `DirectiveDef.hostVars` - `ɵɵelementHostAttrs(attrs)` => `DirectiveDef.hostAttrs` When merging directives it is necessary to know about `hostVars` and `hostAttrs`. Before this change the information was stored in the `hostBindings` function. This was problematic, because in order to get to the information the `hostBindings` would have to be executed. In order for `hostBindings` to be executed the directives would have to be instantiated. This means that the directive instantiation would happen before we had knowledge about the `hostAttrs` and as a result the directive could observe in the constructor that not all of the `hostAttrs` have been applied. This further complicates the runtime as we have to apply `hostAttrs` in parts over many invocations. `ɵɵallocHostVars` was unnecessarily complicated because it would have to update the `LView` (and Blueprint) while existing directives are already executing. By moving it out of `hostBindings` function we can access it statically and we can create correct `LView` (and Blueprint) in a single pass. This change only changes how the instructions are generated, but does not change the runtime much. (We cheat by emulating the old behavior by calling `ɵɵallocHostVars` and `ɵɵelementHostAttrs`) Subsequent change will refactor the runtime to take advantage of the static information. PR Close #34683 |
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| .. | ||
| animations | ||
| bazel | ||
| benchpress | ||
| common | ||
| compiler | ||
| compiler-cli | ||
| core | ||
| docs | ||
| elements | ||
| examples | ||
| forms | ||
| http | ||
| language-service | ||
| localize | ||
| platform-browser | ||
| platform-browser-dynamic | ||
| platform-server | ||
| platform-webworker | ||
| platform-webworker-dynamic | ||
| private/testing | ||
| router | ||
| service-worker | ||
| upgrade | ||
| zone.js | ||
| BUILD.bazel | ||
| README.md | ||
| empty.ts | ||
| goog.d.ts | ||
| license-banner.txt | ||
| system.d.ts | ||
| tsconfig-build-no-strict.json | ||
| tsconfig-build.json | ||
| tsconfig-test.json | ||
| tsconfig.json | ||
| types.d.ts | ||
README.md
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