angular-docs-cn

History

Pete Bacon Darwin 88683702e5 refactor(core): rename ...WithMeta types to ...Declaration and alias to unknown (#41119 )

These types are only used in the generated typings files to provide
information to the Angular compiler in order that it can compile code
in downstream libraries and applications.

This commit aliases these types to `unknown` to avoid exposing the
previous alias types such as `ɵɵDirectiveDef`, which are internal to
the compiler.

PR Close #41119

2021-03-22 08:57:18 -07:00

BUILD.bazel

test(compiler-cli): move testing utils to separate package (#39594 )

2020-11-17 11:59:56 -08:00

index.ts

refactor(core): rename ...WithMeta types to ...Declaration and alias to unknown (#41119 )

2021-03-22 08:57:18 -07:00

package.json

test(compiler-cli): move testing utils to separate package (#39594 )

2020-11-17 11:59:56 -08:00

README.md

test(compiler-cli): move testing utils to separate package (#39594 )

2020-11-17 11:59:56 -08:00

README.md

fake_core is a library designed to expose some of the same symbols as @angular/core, without requiring compilation of the whole of @angular/core. This enables unit tests for the compiler to be written without incurring long rebuilds for every change.

@angular/core is compiled with @angular/compiler-cli, and therefore has an implicit dependency on it. Therefore core must be rebuilt if the compiler changes.
Tests for the compiler which intend to build code that depends on @angular/core must have a data dependency on @angular/core. Therefore core must be built to run the compiler tests, and thus rebuilt if the compiler changes.

This rebuild cycle is expensive and slow. fake_core avoids this by exposing a subset of the @angular/core API, which enables applications to be built by the ngtsc compiler without needing a full version of core present at compile time.