This commit introduces a new API to the ngUpgrade module, which is compatible
with AoT compilation. Primarily, it removes the dependency on reflection
over the Angular 2 metadata by introducing an API where this information
is explicitly defined, in the source code, in a way that is not lost through
AoT compilation.
This commit is a collaboration between @mhevery (who provided the original
design of the API); @gkalpak & @petebacondarwin (who implemented the
API and migrated the specs from the original ngUpgrade tests) and @alexeagle
(who provided input and review).
This commit is an starting point, there is still work to be done:
* add more documentation
* validate the API via internal projects
* align the ngUpgrade compilation of A1 directives closer to the real A1
compiler
* add more unit tests
* consider support for async `templateUrl` A1 upgraded components
Closes#12239
BREAKING CHANGE: previously deprecated @Component.directives and @Component.pipes support was removed.
All the components and pipes now must be declarated via an NgModule. NgModule is the basic
compilation block passed into the Angular compiler via Compiler#compileModuleSync or #compileModuleAsync.
Because of this change, the Compiler#compileComponentAsync and #compileComponentSync were removed as well -
any code doing compilation should compile module instead using the apis mentioned above.
Lastly, since modules are the basic compilation unit, the ngUpgrade module was modified to always require
an NgModule to be passed into the UpgradeAdapter's constructor - previously this was optional.
We changed the bootstrap order:
1. create NgZone
2. bootstrap ng1 inside NgZone and upgrade ng1 components to ng2 components.
3. bootstrap ng2 with NgZone
Note: Previous footgun behavior was: bootstrap ng2 first to extract NgZone, so that ng1 bootstrap can happen in NgZone. This meant that if ng2 bootstrap eagerly compiled a component which contained ng1 components, then we did not have complete metadata.
BREAKING CHANGE (deprecations)
- Instead of `coreBootstrap`, create an `@AppModule` and use `bootstrapModule`.
- Instead of `coreLoadAndBootstarp`, create an `@AppModule` and use `bootstrapModuleFactory`.
- Instead of `bootstrapWorkerApp`, create an `@AppModule` that includes the `WorkerAppModule` and use `bootstrapModule` with the `workerAppPlatform()`.
- Instead of `bootstrapWorkerUi`, create an @AppModule that includes the `WorkerUiModule` and use `bootstrapModule` with the `workerUiPlatform()` instead.
- Instead of `serverBootstrap`, create an @AppModule and use `bootstrapModule` with the `serverDynamicPlatform()` instead.
- Instead of `PLATFORM_PIPES` and `PLATFORM_DIRECTIVES`, provide platform directives/pipes via an `@AppModule`.
- Instead of `ComponentResolver`:
- use `ComponentFactoryResolver` together with `@AppModule.precompile`/`@Component.precompile` or `ANALYZE_FOR_PRECOMPILE` provider for dynamic component creation.
- use `AppModuleFactoryLoader` for lazy loading.
- Instead of `SystemJsComponentResolver`, create an `@AppModule` and use `SystemJsAppModuleLoader`.
- Instead of `SystemJsCmpFactoryResolver`, create an `@AppModule` and use `SystemJsAppModuleFactoryLoader`
Closes#9726
Every test now has an implicit module. It can be configured via `configureModule` (from @angular/core/testing)
to add providers, directives, pipes, ...
The compiler now has to be configured separately via `configureCompiler` (from @angular/core/testing)
to add providers or define whether to use jit.
BREAKING CHANGE:
- Application providers can no longer inject compiler internals (i.e. everything
from `@angular/compiler). Inject `Compiler` instead. This reflects the
changes to `bootstrap` for module support (3f55aa609f).
- Compiler providers can no longer be added via `addProviders` / `withProviders`.
Use the new method `configureCompiler` instead.
- Platform directives / pipes need to be provided via
`configureModule` and can no longer be provided via the
`PLATFORM_PIPES` / `PLATFORM_DIRECTIVES` tokens.
- `setBaseTestProviders()` was renamed into `initTestEnvironment` and
now takes a `PlatformRef` and a factory for a
`Compiler`.
- E.g. for the browser platform:
BEFORE:
```
import {setBaseTestProviders} from ‘@angular/core/testing’;
import {TEST_BROWSER_DYNAMIC_PLATFORM_PROVIDERS,
TEST_BROWSER_DYNAMIC_APPLICATION_PROVIDERS} from ‘@angular/platform-browser-dynamic/testing’;
setBaseTestProviders(TEST_BROWSER_DYNAMIC_PLATFORM_PROVIDERS,
TEST_BROWSER_DYNAMIC_APPLICATION_PROVIDERS);
```
AFTER:
```
import {setBaseTestProviders} from ‘@angular/core/testing’;
import {browserTestCompiler, browserDynamicTestPlatform,
BrowserDynamicTestModule} from ‘@angular/platform-browser-dynamic/testing’;
initTestEnvironment(
browserTestCompiler,
browserDynamicTestPlatform(),
BrowserDynamicTestModule);
```
- E.g. for the server platform:
BEFORE:
```
import {setBaseTestProviders} from ‘@angular/core/testing’;
import {TEST_SERVER_PLATFORM_PROVIDERS,
TEST_SERVER_APPLICATION_PROVIDERS} from ‘@angular/platform-server/testing/server’;
setBaseTestProviders(TEST_SERVER_PLATFORM_PROVIDERS,
TEST_SERVER_APPLICATION_PROVIDERS);
```
AFTER:
```
import {setBaseTestProviders} from ‘@angular/core/testing’;
import {serverTestCompiler, serverTestPlatform,
ServerTestModule} from ‘@angular/platform-browser-dynamic/testing’;
initTestEnvironment(
serverTestCompiler,
serverTestPlatform(),
ServerTestModule);
```
Related to #9726Closes#9846
Currently downgraded ng2 elements fail inside a ui-router view because they are unable
to require an ng2 Injector via the require attribute of the DDO, because ui-router compiles
its templates before they are inserted in a ui-view. This adds a "fallback" behavior if
a parent injector cannot be found to go to the root ng2 Injector.
Delays NG1 Directive controller instatiation where possible and pre-link function always
to the ngOnInit() lifecycle hook. This way bindings are always available on $scope in both
the controller and the link function.
Peter Bacon Darwin
Karl Seamon
Christoph Krautz
Victor Berchet
Alex Eagle
Miško Hevery
Igor Minar
Igor Minar
Chuck Jazdzewski
Jason Choi
Tobias Bosch
ScottSWu
Alex Eagle
ScottSWu
Rob Wormald
Hannah Howard