This commit simplifies/systemizes accessing the `CacheStorage` through a
wrapper, with the following benefits:
- Ensuring a consistent cache name prefix is used for all caches
(without having to repeat the prefix in different places).
- Allowing referring to caches using their name without the common
cache name prefix.
- Exposing the cache name on cache instances, which for example makes it
easier to delete caches without having to keep track of the name used
to create them.
PR Close#42622
This commit improves the cache names generated by the ServiceWorker by
making them shorter and non-repetitive. In particular, the following
changes are made:
- Data-group cache names no longer include the `dynamic` infix, since it
does not add any value.
Before: `ngsw:<...>:data:dynamic:<...>`
After: `ngsw:<...>:data:<...>`
- `CacheDatabase` table names no longer include the `ngsw:<path>` prefix
twice.
Before: `ngsw:<path>:db:ngsw:<path>:<...>`
After: `ngsw:<path>:db:<...>`
NOTE 1:
This change will result in different cache names being generated for the
same app-versions with the new SericeWorker script. This means that some
of the previously cached data will need to be re-downloaded (because the
ServiceWorker will not be able to re-use the old caches), but that
should be transparent for the end user.
While possible, adding logic to allow the ServiceWorker to retrieve data
from the old caches is not worth the extra complecity and maintenance
cost.
NOTE 2:
Generating different cache names for some of the caches means that the
ServiceWorker will not be able to clean-up some of the old caches. This
will be taken care of in a subsequent commit that will rework the
clean-up logic to be more robust (covering changes such as this one and
other edgecases).
PR Close#42622
`CacheDatabase` uses the un-prefixed table names to interact with
database tables. However, the `list()` method returns the raw, prefixed
table names (which are not useful, since they cannot be used to
open/delete a table).
This commit fixes this by removing the prefix from the cache names
returned by the `list()` method.
NOTE:
This method is currently not used anywhere, so this change does not
affect the ServiceWorker behavior.
PR Close#42622
This commit includes the ServiceWorker version in the debug info shown
at `/ngsw/state` to make it easier to know what version of the
ServiceWorker script is controlling the page.
PR Close#42622
This commit makes some minor refactorings to improve the code
readability and maintainability, including:
- Avoiding code duplication.
- Using more descriptive variable names.
- Using `async/await` instead of `Promise#then()`.
- Accessing variables directly instead of via `this` when possible.
PR Close#42622
The previous default algorithm was `md5`, which is not compliant with FIPS.
The default is now set to `sha256`, which is compliant.
Fixes#42577
PR Close#42582
The hash algorithm for the entry-point manifest was hardcoded to `md5`.
This can now be configured by the `hashAlgorithm` property on the
ngcc.config.js project configuration.
PR Close#42582
The ngcc configuration gets hashed to be used when caching
but it was hardcoded to use the `md5` algorithm, which is
not FIPS compliant.
Now the hash algorithm can be configured in the ngcc.config.js
file at the project level.
PR Close#42582
Add `openWindow`, `focusLastFocusedOrOpen` and `navigateLastFocusedOrOpen` abilty to the notificationclick handler such that when either a notification or notification action is clicked the service-worker can act accordinly without the need for the app to be open
PR Close#26907
PR Close#42520
Previously the lexer would break out of consuming a text token if it contains
a `<` character. Then if the next characters did not indicate an HTML syntax
item, such as a tag or comment, then it would start a new text token. These
consecutive text tokens are then merged into each other in a post tokenization
step.
In the commit before this, interpolation no longer leaks across text tokens.
The approach given above to handling `<` characters that appear in text is
no longer adequate. This change ensures that the lexer only breaks out of
a text token if the next characters indicate a valid HTML tag, comment,
CDATA etc.
PR Close#42605
When consuming a text token, the lexer tracks whether it is reading characters
from inside an interpolation so that it can identify invalid ICU expressions.
Inside an interpolation there will be no ICU expression so it is safe to
have unmatched `{` characters, but outside an interpolation this is an error.
Previously, if an interpolation was started, by an opening marker (e.g. `{{`)
in a text token but the text came to an end before the closing marker (e.g. `}}`)
then the lexer was not clearing its internal state that tracked that it was
inside an interpolation. When the next text token was being consumed,
the lexer, incorrectly thought it was already within an interpolation.
This resulted in invalid ICU expression errors not being reported.
For example, in the following snippet, the first text block has a prematurely
ended interpolation, and the second text block contains an invalid `{` character.
```
<div>{{</div>
<div>{</div>
```
Previously, the lexer would not have identified this as an error. Now there
will be an EOF error that looks like:
```
TS-995002: Unexpected character "EOF"
(Do you have an unescaped "{" in your template? Use "{{ '{' }}") to escape it.)
```
PR Close#42605
The ServiceWorker assigns an app-version to a each client to ensure that
all subsequent requests for a client are served using the same
app-version. The assignment is done based on the client ID.
Previously, the ServiceWorker would only try to read the client's ID off
of the `FetchEvent`'s `clientId` property. However, for navigation
requests the new client's ID will be set on [resultingClientId][1],
while `clientId` will either be empty or hold the ID of the client where
the request initiated from. See also related discussions in
w3c/ServiceWorker#870 and w3c/ServiceWorker#1266.
In theory, this could lead to the navigation request (i.e. `index.html`)
being served from a different app-version than the subsequent
sub-resource requests (i.e. assets). In practice, the likelihood of this
happening is probably very low though, since it would require the latest
app-version to be updated between the initial navigation request and the
first sub-resource request, which should happen very shortly after the
navigation request.
This commit ensures that the correct client ID is determined even for
navigation requests by also taking the `resultingClientId` property into
account.
[1]: https://developer.mozilla.org/en-US/docs/Web/API/FetchEvent/resultingClientId
PR Close#42607
Adds support for shorthand property declarations inside Angular templates. E.g. doing `{foo, bar}` instead of `{foo: foo, bar: bar}`.
Fixes#10277.
PR Close#42421
Previously, the template type checker would only opt-in to inline type
constructors if it could import all type references from absolute module
specifiers. This limitation was put into place in an abundance of
caution as there was a safe, but less performant, fallback available.
The language service is not capable of using this fallback, which now
means that the limitation of absolute module specifiers limits the
language service's ability to use accurate types for component/directive
classes that have generic type parameters.
This commit loosens the restriction such that type references are now
eligible for emit as long as they are exported.
PR Close#42492
When a component/directive has a generic type parameter, the template
type checker attempts to translate the type parameter such that the
type parameters can be replicated in the type constructor that is
emitted into the typecheck file.
Type parameters with a default clause would incorrectly be emitted into
the typecheck file using the original `ts.TypeNode` for the default
clause, such that `ts.TypeReferenceNode`s within the default clause
would likely be invalid (i.e. referencing a type for which no import is
present in the typecheck file). This did not result in user-facing
type-check errors as errors reported in type constructors are not
translated into template positions Regardless, this commit ensures that
`ts.TypeReferenceNode`s within defaults are properly translated into the
typecheck file.
PR Close#42492
The template type checker is capable of recreating generic type bounds
in a different context, rewriting type references along the way (if
possible). This was previously done using a visitor that only supported
a limited set of types, resulting in the inability to emit all sorts of
types (even if they don't contain type references at all).
The inability to emit generic type bounds was not critical when the type
parameter emitting logic was introduced, as the compiler also has a
fallback strategy of creating inline type constructors. However, this
fallback is not available to the language service, resulting in
inaccurate types when components/directives use a complex generic type.
To mitigate this problem, the specialized visitor has been replaced with
a generalized TypeScript transform, where only type references get
special treatment. This allows for more complex types to be emitted,
such as union and intersection types, object literal types and tuple
types.
PR Close#42492
If an implcit receiver is accessed in a listener inside of an `ng-template`, we generate some extra code in order to ensure that we're assigning to the correct object. The problem is that the logic wasn't covering keyed writes which caused it to write to the wrong object and throw an assertion error at runtime.
These changes expand the logic to cover keyed writes.
Fixes#41267.
PR Close#42603
xi18n is the operation of extracting i18n messages from templates in the
compilation. Previously, only View Engine was able to perform xi18n. This
commit implements xi18n in the Ivy compiler, and a copy of the View Engine
test for Ivy verifies that the results are identical.
PR Close#42485
This commit moves some xi18n-related functions in the View Engine
ng.Program into a new file. This is necessary in order to depend on them
from the Ivy ng.Program while avoiding a cycle.
PR Close#42485
Updates to TypeScript 4.3.4 which contains a fix for a printer
regression that caused unexpected JavaScript output with our
compiler transforms.
See: https://github.com/microsoft/TypeScript/pull/44070.
Updates to TypeScript 4.3.4 which contains a fix for a printer
PR Close#42600
The addition of overloads to some of the number pipes caused
the documentation to lose the parameter descriptions.
This change fixes that by moving the JSDOC block in from of the
primary method signature, rather than the first overload.
Fixes#42590
PR Close#42593
This is something I ran into while working on a fix for the `TestBed` module teardown behavior for #18831. In the `RouterInitializer.appInitializer` we have a callback to the `LOCATION_INITIALIZED` which has to do some DI lookups. The problem is that if the module is destroyed before the location promise resolves, the `Injector.get` calls will fail. This is unlikely to happen in a real app, but it'll show up in unit tests once the test module teardown behavior is fixed.
PR Close#42560
We currently have two long-standing issues related to how `TestBed` tests are torn down:
1. The dynamically-created test module isn't going to be destroyed, preventing the `ngOnDestroy` hooks on providers from running and keeping the component `style` nodes in the DOM.
2. The test root elements aren't going to be removed from the DOM. Instead, they will be removed whenever another test component is created.
By themselves, these issues are easy to resolve, but given how long they've been around, there are a lot of unit tests out there that depend on the broken behavior.
These changes address the issues by introducing APIs that allow users to opt into the correct test teardown behavior either at the application level via `TestBed.initTestEnvironment` or the test suite level via `TestBed.configureTestingModule`.
At the moment, the new teardown behavior is opt-in, but the idea is that we'll eventually make it opt-out before removing the configuration altogether.
Fixes#18831.
PR Close#42566
Previously, the "go to definition" action did no account for the
possibility that something may actually be defined in a template. This
change updates the logic in the definition builder to convert any
results that are locations in template typecheck files to their
corresponding locations in the template.
PR Close#42559
Unclosed element tags are not assigned an `endSourceSpan` by the parser.
As a result, the visitor which determines the target node at a position
for the language service was unable to determine that a given position
was inside an unclosed parent. This happens because we update the
`endSourceSpan` of template/element nodes to be the end tag (and there
is not one for unclosed tags). Consequently, the visitor then cannot
match a position to any child node location.
This change updates the visitor logic to check if there are any
`children` of a template/element node and updates the end span to be the
end span of the last child. This allows our `isWithin` logic to identify
that a child position is within the unclosed parent.
Addresses one of the issues found during investigation of https://github.com/angular/vscode-ng-language-service/issues/1399
PR Close#42554
This commit updates the parser logic to continue to try to match an end
tag to an unclosed open tag on the stack. Previously, it would only
push an error to the list and stop looking at unclosed elements.
For example, the invalid HTML of `<li><div></li>`, has an unclosed
element stack of [`li`, `div`] when it encounters the close `li` tag.
We compare against the previously unclosed tag `div` and see that this is
unexpected. Instead of simply giving up here, we continue to move up the
unclosed tags until we find a match (if there is one).
PR Close#42554
Within Google, closure compiler is used for dealing with translations.
We generate a closure-compatible locale file that allows for
registration within Angular, so that Closure i18n works well together
with Angular applications. Closure compiler does not limit its
locales to BCP47-canonical locale identifiers. This commit updates
the generation logic so that we also support deprecated (but aliased)
locale identifiers, or other aliases which are likely used within
Closure. We use CLDR's alias supplemental data for this. It instructs
us to alias `iw` to `he` for example. `iw` is still supported in Closure.
Note that we do not manually extract all locales supported in Closure;
instead we only support the CLDR canonical locales (as done before) +
common aliases that CLDR provides data for. We are not aware of other
locale aliases within Closure that wouldn't be part of the CLDR aliases.
If there would be, then Angular/Closure would fail accordingly.
PR Close#42230
In the past, the closure file has been generated so that all individual
locale files were imported individually. This resulted in a huge
slow-down in g3 due to the large amount of imports.
With 90bd984ff7 this changed so that we
inline the locale data for the g3 closure locale file. Also the file
only contained data for locales being supported by Closure. For this a
list of locales has been extracted from Closure Compiler, as well as a
list of locale aliases.
This logic is prone to CLDR version updates, and also broke as part of
the Gulp -> Bazel migration where this logic has been slightly modified
but caused issues in G3. e.g. a locale `zh-Hant` was requested in g3,
but the locale data had the name of the alias locale that provided the
data at index zero (which represents the locale name). Note that the
locale names at index zero always could differentiate from the requested
`goog.LOCALE` due to the aliasing logic. This just didn't come up before.
We simplify this logic by generating a `goog.LOCALE` case for all
locales CLDR provides data for. We don't need to bother about aliasing
because with the refactorings to the CLDR generation tool, all locales
are built (which also captures the aliases), and we can generate the locale
file on the fly (which has not been done before).
PR Close#42230
The CLDR extraction tool has been reworked to run as part of Bazel.
This adds a initial readme explaining what the tool generates. It's
far from a detailed description but it can serve as foundation for more
detailed explanations.
PR Close#42230
Introduces a few Starlark macros for running the new Bazel
CLDR generation tool. Wires up the new tool so that locales
are generated properly. Also updates the existing
`closure-locale` file to match the new output generated by the Bazel tool.
This commit also re-adds a few locale files that aren't
generated by CLDR 37, but have been accidentally left in
the repository as the Gulp script never removed old locales
from previous CLDR versions. This problem is solved with the
Bazel generation of locale files, but for now we re-add these
old CLDR 33 locale files to not break developers relying on these
(even though the locale data indicies are incorrect; but there might
be users accessing the data directly)
PR Close#42230
Converts the CLDR locale extraction script to a Bazel tool.
This allows us to generate locale files within Bazel, so that
locales don't need to live as sources within the repo. Also
it allows us to get rid of the legacy Gulp tooling.
The migration of the Gulp script to a Bazel tool involved the
following things:
1. Basic conversion of the `extract.js` script to TypeScript.
This mostly was about adding explicit types. e.g. adding `locale:
string` or `localeData: CldrStatic`.
2. Split-up into separate files. Instead of keeping the large
`extract.js` file, the tool has been split into separate files.
The logic remains the same, just that code is more readable and
maintainable.
3. Introduction of a new `index.ts` file that is the entry-point
for the Bazel tool. Previously the Gulp tool just generated
all locale files, the default locale and base currency files
at once. The new entry-point accepts a mode to be passed as
first process argument. based on that argument, either locales
are generated into a specified directory, or the default locale,
base currencies or closure file is generated.
This allows us to generate files with a Bazel genrule where
we simply run the tool and specify the outputs. Note: It's
necessary to have multiple modes because files live in separate
locations. e.g. the default locale in `@angular/core`, but the
rest in `@angular/common`.
4. Removal of the `cldr-data-downloader` and custom CLDR resolution
logic. Within Bazel we cannot run a downloader using network.
We switch this to something more Bazel idiomatic with better
caching. For this a new repository rule is introduced that
downloads the CLDR JSON repository and extracts it. Within
that rule we determine the supported locales so that they
can be used to pre-declare outputs (for the locales) within
Bazel analysis phase. This allows us to add the generated locale
files to a `ts_library` (which we want to have for better testing,
and consistent JS transpilation).
Note that the removal of `cldr-data-downloader` also requires us to
add logic for detecting locales without data. The CLDR data
downloader overwrote the `availableLocales.json` file with a file
that only lists locales that CLDR provides data for. We use the
official `availableLocales` file CLDR provides, but filter out
locales for which no data is available. This is needed until we
update to CLDR 39 where data is available for all such locales
listed in `availableLocales.json`.
PR Close#42230
This is a pre-refactor commit allowing us to move
the CLDR locale generation to Bazel where files would
no longer be checked-in, except for the `closure-locale`
file that is synced into Google3.
PR Close#42230
When a FormControl, FormArray, or FormGroup is first constructed, if an async validator is attached, the `statusChanges` observable should receive a message when the validator complete (i.e. pending -> valid/invalid). If the validator was provided as part of the constructor options, it was not fired at construction time, which is fixed in this PR.
Fixes#35309.
PR Close#42553
We can’t determine whether the user actually meant the `back` or
the `forward` using the popstate event (triggered by a browser
back/forward)
so we instead need to store information on the state and compute the
distance the user is traveling withing the browser history.
So by using the `History#go` method,
we can bring the user back to the page where he is supposed to be after
performing the action.
implementation for #13586
PR Close#38884
Close#41867
In the previous commit https://github.com/angular/angular/pull/41562#issuecomment-822696973,
the error thrown in the event listener will be caught and re-thrown, but there is a bug
in the commit, if there is only one listener for the specified event name, the error
will not be re-thrown, so this commit fixes the issue and make sure the error is re-thrown.
PR Close#41868
In watch builds, the compiler attempts to reuse as much information from
a prior compilation as possible. To accomplish this, it keeps a
reference to the most recently succeeded `TraitCompiler`, which contains
all analysis data for the program. However, `TraitCompiler` has an
internal reference to an `IncrementalBuild`, which is itself built on
top of its prior state. Consequently, all prior compilations continued
to be referenced, preventing garbage collection from cleaning up these
instances.
This commit changes the `AnalyzedIncrementalState` to no longer retain
a `TraitCompiler` instance, but only the analysis data it contains. This
breaks the retainer path to the prior incremental state, allowing it to
be garbage collected.
PR Close#42537
Previously the autoRegisterModuleById registration was marked with noSideEffects wrapper to ensure that we don't end up retaining all NgModules.
However the return value was not referenced by anything, so closure compiler removed it because it determined that this code has no side effects and is not referenced by anyone.
This issue affects apps that use Closure Compiler and also rely on https://angular.io/api/core/getModuleFactory to retrieve factories by ID. This combination is used heavily in google3, especially in Pantheon.
Fixes b/188453434
PR Close#42529
`onSameUrlNavigation` only affects whether the Angular Router
processes the URL and runs it through the navigation pipeline,
retriggering redirects, guards, and resolvers. The name `reload` is a
little confusing because it does _not_ reload the component. Developers
_also_ need to implement a custom `RouteReuseStrategy` to trigger a
component reload on same URL navigation.
Fixes#21115
PR Close#42275
As previously discussed in pull/31070 and issues/30486, this would be useful because it is often desirable to apply styles to fields that are both `ng-invalid` and `ng-pristine` after the first attempt at form submission, but Angular does not provide any simple way to do this (although evidently Angularjs did). This will now be possible with a descendant selector such as `.ng-submitted .ng-invalid`.
In this implementation, the directive that sets control status classes on forms and formGroups has its set of statuses widened to include `ng-submitted`. Then, in the event that `is('submitted')` is invoked, the `submitted` property of the control container is returned iff it exists. This is preferred over checking whether the container is a `Form` or `FormGroup` directly to avoid reflecting on those classes.
Closes#30486.
PR Close#42132.
This reverts commit 00b1444d12, undoing the rollback of this change.
PR Close#42132
corrects a bug that resulted in query params such as
`[queryParams]={a: 1, b:[]}` being serialized as 'a=1&'
instead of 'a=1'
resolves#42445
PR Close#42481
These notes are copied from `ViewChild`. In addition, `ContentChildren` and `ViewChildren`
can specify multiple string selectors by separating each selector by a
comma.
fixes#21734
PR Close#42366
In the past, the closure file has been generated so that all individual
locale files were imported individually. This resulted in a huge
slow-down in g3 due to the large amount of imports.
With 90bd984ff7 this changed so that we
inline the locale data for the g3 closure locale file. Also the file
only contained data for locales being supported by Closure. For this a
list of locales has been extracted from Closure Compiler, as well as a
list of locale aliases.
This logic is prone to CLDR version updates, and also broke as part of
the Gulp -> Bazel migration where this logic has been slightly modified
but caused issues in G3. e.g. a locale `zh-Hant` was requested in g3,
but the locale data had the name of the alias locale that provided the
data at index zero (which represents the locale name). Note that the
locale names at index zero always could differentiate from the requested
`goog.LOCALE` due to the aliasing logic. This just didn't come up before.
We simplify this logic by generating a `goog.LOCALE` case for all
locales CLDR provides data for. We don't need to bother about aliasing
because with the refactorings to the CLDR generation tool, all locales
are built (which also captures the aliases), and we can generate the locale
file on the fly (which has not been done before).
PR Close#42230
The CLDR extraction tool has been reworked to run as part of Bazel.
This adds a initial readme explaining what the tool generates. It's
far from a detailed description but it can serve as foundation for more
detailed explanations.
PR Close#42230
Introduces a few Starlark macros for running the new Bazel
CLDR generation tool. Wires up the new tool so that locales
are generated properly. Also updates the existing
`closure-locale` file to match the new output generated by the Bazel tool.
This commit also re-adds a few locale files that aren't
generated by CLDR 37, but have been accidentally left in
the repository as the Gulp script never removed old locales
from previous CLDR versions. This problem is solved with the
Bazel generation of locale files, but for now we re-add these
old CLDR 33 locale files to not break developers relying on these
(even though the locale data indicies are incorrect; but there might
be users accessing the data directly)
PR Close#42230
Converts the CLDR locale extraction script to a Bazel tool.
This allows us to generate locale files within Bazel, so that
locales don't need to live as sources within the repo. Also
it allows us to get rid of the legacy Gulp tooling.
The migration of the Gulp script to a Bazel tool involved the
following things:
1. Basic conversion of the `extract.js` script to TypeScript.
This mostly was about adding explicit types. e.g. adding `locale:
string` or `localeData: CldrStatic`.
2. Split-up into separate files. Instead of keeping the large
`extract.js` file, the tool has been split into separate files.
The logic remains the same, just that code is more readable and
maintainable.
3. Introduction of a new `index.ts` file that is the entry-point
for the Bazel tool. Previously the Gulp tool just generated
all locale files, the default locale and base currency files
at once. The new entry-point accepts a mode to be passed as
first process argument. based on that argument, either locales
are generated into a specified directory, or the default locale,
base currencies or closure file is generated.
This allows us to generate files with a Bazel genrule where
we simply run the tool and specify the outputs. Note: It's
necessary to have multiple modes because files live in separate
locations. e.g. the default locale in `@angular/core`, but the
rest in `@angular/common`.
4. Removal of the `cldr-data-downloader` and custom CLDR resolution
logic. Within Bazel we cannot run a downloader using network.
We switch this to something more Bazel idiomatic with better
caching. For this a new repository rule is introduced that
downloads the CLDR JSON repository and extracts it. Within
that rule we determine the supported locales so that they
can be used to pre-declare outputs (for the locales) within
Bazel analysis phase. This allows us to add the generated locale
files to a `ts_library` (which we want to have for better testing,
and consistent JS transpilation).
Note that the removal of `cldr-data-downloader` also requires us to
add logic for detecting locales without data. The CLDR data
downloader overwrote the `availableLocales.json` file with a file
that only lists locales that CLDR provides data for. We use the
official `availableLocales` file CLDR provides, but filter out
locales for which no data is available. This is needed until we
update to CLDR 39 where data is available for all such locales
listed in `availableLocales.json`.
PR Close#42230
This is a pre-refactor commit allowing us to move
the CLDR locale generation to Bazel where files would
no longer be checked-in, except for the `closure-locale`
file that is synced into Google3.
PR Close#42230
Before this commit, attribute completion display parts were retrieved
but not assigned. In addition, the switch case was non-exhaustive
because it did not include `StructuralDirectiveAttribute`.
PR Close#42472
In the past, when we enabled `--strict` in the repository, we added
another tsconfig for code not being migrated to be `--strict`
compatible. This was done for the deprecated http and webworker
packages. Since these are now removed, we can rmeove the logic.
PR Close#42506
The `NO_ERRORS_SCHEMA` schema can be used to ignore errors related to unknown elements or properties, but since it suppresses these errors it may also hide real problems in a template. This commit updates the `NO_ERRORS_SCHEMA` docs to mention that.
Closes#39454.
PR Close#42327
This is based on a discussion we had a few weeks ago. Currently if a component uses `ViewEncapsulation.ShadowDom` and its selector doesn't meet the requirements for a custom element tag name, a vague error will be thrown at runtime saying something like "Element does not support attachShadowRoot".
These changes add a new diagnostic to the compiler that validates the component selector and gives a better error message during compilation.
PR Close#42245
For quite a while it is an unspoken convention to add a trailing
new-line files within the Angular repository. This was never enforced
automatically, but has been frequently raised in pull requests through
manual review. This commit sets up a lint rule so that this is
"officially" enforced and doesn't require manual review.
PR Close#42478
Updates the compiler-cli compliance goldens. The golden updates are
required due to a regression in TypeScript 4.3 that causes the emitter
to not incorrectly preserve lines when emitting a node list.
This can be reverted once https://github.com/microsoft/TypeScript/pull/44070
is available.
PR Close#42022
Switches the repository to TypeScript 4.3 and the latest
version of tslib. This involves updating the peer dependency
ranges on `typescript` for the compiler CLI and for the Bazel
package. Tests for new TypeScript features have been added to
ensure compatibility with Angular's ngtsc compiler.
PR Close#42022
Currently we support safe property (`a?.b`) and method (`a?.b()`) accesses, but we don't handle safe keyed reads (`a?.[0]`) which is inconsistent. These changes expand the compiler in order to support safe key read expressions as well.
PR Close#41911
As previously discussed in pull/31070 and issues/30486, this would be useful because it is often desirable to apply styles to fields that are both `ng-invalid` and `ng-pristine` after the first attempt at form submission, but Angular does not provide any simple way to do this (although evidently Angularjs did). This will now be possible with a descendant selector such as `.ng-submitted .ng-invalid`.
In this implementation, the directive that sets control status classes on forms and formGroups has its set of statuses widened to include `ng-submitted`. Then, in the event that `is('submitted')` is invoked, the `submitted` property of the control container is returned iff it exists. This is preferred over checking whether the container is a `Form` or `FormGroup` directly to avoid reflecting on those classes.
Closes#30486.
PR Close#42132
With the removal of the `ModuleWithProviders` transform in the parent commit,
the underlying dts transform can also be removed as it is not used elsewhere.
PR Close#41996
The `ModuleWithProviders` type has required a generic type since Angular 10,
so it is no longer necessary for the compiler to transform usages of the
`ModuleWithProviders` type without the generic type, as that should have
been reported as a compile error. This commit removes the detection logic
from ngtsc.
PR Close#41996
Prior to this change the `min` and `max` validator directives would not
set the `min` and `max` attributes on the host element. The problem was
caused by the truthy check in host binding expression that was
calculated as `false` when `0` is used as a value. This commit updates
the logic to leverage nullish coalescing operator in these host binding
expressions, so `0` is treated as a valid value, thus the `min` and
`max` attributes are set correctly.
Partially closes#42267
PR Close#42412
When a `trackBy` function is used that accepts a supertype of the iterated
array's type, the loop variable would undesirably be inferred as the supertype
instead of the array's item type. This commit adds an inferred type parameter
to `TrackByFunction` to allow an extra degree of freedom, enabling the
loop value to be inferred as the most narrow type.
Fixes#40125
PR Close#41995
The ngtsc test targets have fake declarations files for `@angular/core`
and `@angular/common` and the template type checking tests can leverage
the fake common declarations instead of declaring its own types.
PR Close#41995
Type-only imports are known to be elided by TypeScript, so the compiler
can be certain that such imports do not contribute to potential import
cycles. As such, type-only imports are no longer considered during cycle
analysis.
Regular import statements that would eventually be fully elided by
TypeScript during emit if none of the imported symbols are used in a
value position continue to be included in the cycle analysis, as the
cycle analyzer is unaware of these elision opportunities. Only explicit
`import type` statements are excluded.
PR Close#42453
This change moves the `dev-infra/browsers` folder into `dev-infra/bazel`.
The browser folder is providing custom configuration for Bazel, so it
should live within the `bazel` folder for a more well-structured
`dev-infra` folder.
PR Close#42268
Prior to this PR, attempting to get rename info for pipe name expressions would defer to the
typescript language service, which would return no rename info. This was not caught because
the test was written incorrectly.
This PR corrects the test behavior and adjusts the logic in getting rename info to account
for indirect renames (like pipe names).
PR Close#41974
The compiler flag `compileNonExportedClasses` allows the Angular compiler to
process classes which are not exported at the top level of a source file.
This is often used to allow for AOT compilation of test classes inside
`it()` test blocks, for example.
Previously, the compiler would identify exported classes by looking for an
`export` modifier on the class declaration itself. This works for the
trivial case, but fails for indirectly exported classes:
```typescript
// Component is declared unexported.
@Component({...})
class FooCmp {...}
// Indirect export of FooCmp
export {FooCmp};
```
This is not an immediate problem for most application builds, since the
default value for `compileNonExportedClasses` is `true` and therefore such
classes get compiled regardless.
However, in the Angular Language Service now, `compileNonExportedClasses` is
forcibly overridden to `false`. That's because the tsconfig used by the IDE
and Language Service is often far broader than the application build's
configuration, and pulls in test files that can contain unexported classes
not designed with AOT compilation in mind.
Therefore, the Language Service has trouble working with such structures.
In this commit, the `ReflectionHost` gains a new API for detecting whether a
class is exported. The implementation of this method now not only considers
the `export` modifier, but also scans the `ts.SourceFile` for indirect
exports like the example above. This ensures the above case will be
processed directly in the Language Service.
This new operation is cached using an expando symbol on the `ts.SourceFile`,
ensuring good performance even when scanning large source files with lots of
exports (e.g. a FESM file under `ngcc`).
Fixes#42184.
PR Close#42207
We were linting against usages of `fdescribe` and `fit` by referencing the `no-jasmine-focus` rule which isn't installed, causing tslint to log the following:
```
Could not find implementations for the following rules specified in the configuration:
no-jasmine-focus
Try upgrading TSLint and/or ensuring that you have all necessary custom rules installed.
If TSLint was recently upgraded, you may have old rules configured which need to be cleaned
```
These changes switch to using the built-in `ban` rule.
PR Close#42415
Previously the docs were very minimalistic. The most important thing missing from the docs
was that people should primarily use higher level APIs instead of using ROUTES directly.
It would be nice to holistically overhaul more of the router API docs, but that's out of
scope of this change.
Fixes#39350
PR Close#42398
An internal change in Ivy has surfaced issues in previosly broken code. This change adds a note to the
Ivy compatibility guide as well as the TrackByFunction api docs.
Fixes#35896
PR Close#42338
The list for the possible options of providedIn was not totally clear. This commit ensures each possible value is included explicitly in the docs.
fixes#29330
PR Close#42355
We have some internal proxies for all of the Jasmine functions, as well as some other helpers. This code hasn't been touched in more than 5 years, it can lead to confusion and it isn't really necessary since the same can be achieved using Jasmine.
These changes remove most of the code and clean up our existing unit tests.
PR Close#42177
Most of these were fixed in other PRs but there were are couple of stragglers.
Note that `my-app` components in non-documentation facing code, such as
compliance tests have not been changed.
Fixes#20235
PR Close#42256
This commit fixes the state of variable _started on call of reset method.
Earlier behaviour was on call of `reset()` method we are not setting back
`_started` flag's value to false and it created various issue for end user
which were expecting this behaviour as per name of method.
We provided end user `reset()` method, but it was empty method and on call
of it wasn't doing anything. As end user/developer were not able to
reuse animation not animation after call of reset method.
In this PR on call of `reset()` method we are setting flag `_started` value to false
which can be accessed by `hasStarted()`.
Resolves#18140
PR Close#41608
`Location.go` does not trigger the browser's `popstate` event because
the Angular Router uses `pushState` and `replaceState`. This can be
confusing when calling `Location.go` and using `Location.subscribe`.
This commit clarifies the behavior of `Location.subscribe` and points
developers to the `onUrlChanges` subscription instead.
Fixes#12691
PR Close#42272
Add small clarity to sentence in documentation for navigation cancel event
to indicate that router guards returning false or urlTree is only one of
several reasons a NavigationCancel event happens.
fixes#26613
PR Close#42282
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
Update the supported range of node versions for to be less restrictive, no longer causing
yarn or npm to fail engine's checks for future versions of node.
While this change will no longer cause yarn or npm to fail these engine's check, this does
not reflect a change in the officially supported versions of node for Angular. Angular
continues to maintain support for Active LTS and Maintenance LTS versions of node.
PR Close#42205
This commit clarifies the description of the default `pathMatch`
strategy (prefix) to indicate that the path segments must each match to
a config.
fixes#39737
PR Close#42287
With this change we add a migration to replace the deprecated shadow-piercing selector from `/deep/` with deprecated but recommended `::ng-deep`.
The main motivation for this change is that the CSS optimizer CSSNano which is used by the Angular CLI no longer supports this non standard selector and causes build time errors due to the selector being minified incorrectly. However, CSSNano does support the recommended deprecated `::ng-deep` selector.
Closes: #42196
PR Close#42214
Remove publishConfig property from the package.json entry for each of the entries in
the publish configuration. Using the wombat proxy is now ensured/managed by the
ng-dev release tooling.
PR Close#42104
TypeScript supports ECMAScript private identifiers. It can happen that
developers intend to access such members from within an expression.
This currently results in an unclear error from the lexer. e.g.
```
'Parser Error: Unexpected token # at column 1 in [{{#myField}}] in C:/test.ts@5:2
```
We could improve such errors by tokenizing private identifiers similar to
how the TypeScript scanner processes them. Later we can report better
errors in the expression parser or in the typecheck block. This commit
causes all private identifier tokens to be disallowed, so it never
reaches the type checker. This is done intentionally as private
identifiers should not be considered valid Angular syntax, especially
because private fields are not guaranteed to be accessible from within
a component/directive definition (e.g. there cases where a template
function is generated outside of the class; which results in private
members not being accessible; and this results in mixed/confusing
behavior).
Fixes#36003.
PR Close#42027
We skip event listeners on non-element host nodes (e.g. `ng-container` or `ng-element`), because they don't map to a DOM node so there's nothing to bind the event to. The problem is that this also prevents listeners bound to global targets from being bound.
These changes add an extra condition to allow for the event to be bound if it has a custom event target resolver.
Fixes#14191.
PR Close#42014
* recently, performance events started showing up with a -bpstart and -bpend
suffix to indicate their being the start and end events for our performance
testing. to fix this, we added an additional check for those suffixes in
addition to the old checks.
PR Close#42085
The Validator and AsyncValidator interfaces provide a callback, `registerOnValidatorChange(fn)`. `registerOnValidatorChange` is supposed to be fired at least once to register `fn` with the validator. `fn` is then called by the validator whenever its inputs change. This was previously not happening for FormGroup validators, and is now fixed.
PR Close#41971
Prior to this change, any inserted `<style>` nodes into shadow dom trees would be retained
in memory, even after the shadow dom tree has been removed. This commit fixes the memory
leak by tracking the inserted `<style>` nodes per host element, such that removal of the
host element also releases the style nodes.
Fixes#36655
PR Close#42005
The JIT compiler has a mapping from component to the owning NgModule
and tracks whether a certain NgModule class has been verified; these
maps causes any JIT compiled component and NgModule to be retained even
if they are no longer referenced from anywhere else. This commit
switches the maps to `WeakMap` to allow garbage collecting any
components and NgModules that are no longer referenced elsewhere.
Fixes#19997
PR Close#42003
Now that there is no need to work around the source-map bug in TypeScript
(https://github.com/Microsoft/TypeScript/issues/29300) we can just use
`resolvedTemplateUrl` for the source-map URL, rather than having a separate
property.
PR Close#42000
Indirect templates are templates produced by a non-literal expression value
of the `template` field in `@Component`. The compiler can statically
determine the template string, but there is not guaranteed to be a physical
file which contains the bytes of the template string. For example, the
template string may be computed by a concatenation expression: 'a' + 'b'.
Previously, the compiler would use the TS file path as the source map path
for indirect templates. This is incorrect, however, and breaks source
mapping for such templates, since the offsets within the template string do
not correspond to bytes of the TS file.
This commit returns the compiler to its old behavior for indirect templates,
which is to use `''` as the source map URL for such templates.
Fixes#40854
PR Close#41973
URLSearch params are by default supported in the browser but are not supported by angular/http package added support for URLSearchParams
Fixes#36317
PR Close#37852
Rather than de-duplicating results as we build them, a final de-duplication can be done at the end.
This way, there's no forgetting to de-duplicate results at some level.
Prior to this commit, results from template locations that mapped to
multiple different typescript locations would not be de-duplicated (e.g.
an input binding that is bound to two separate directives).
PR Close#40523
When `checkTypeOfPipes` is set to `false`, our TCB currently generates
the a statement like the following when pipes appear in the template:
`(_pipe1 as any).transform(args)`
This did enable us to get _some_ information from the Language Service
about pipes in this case because we still had access to the pipe
instance. However, because it is immediately cast to `any`, we cannot
get type information about the transform access. That means actions like "go to
definition", "find references", "quick info", etc. will return
incomplete information or fail altogether.
Instead, this commit changes the TCB to generate `(_pipe1.transform as any)(args)`.
This gives us the ability to get complete information for the LS
operations listed above.
PR Close#40523
This commit updates the logic in the LS renaming to handle renaming of
pipes, both from the name expression in the pipe metadata as well as
from the template.
The approach here is to introduce a new concept for renaming: an
"indirect" rename. In this type of rename, we find rename locations
in with the native TS Language Service using a different node than the
one we are renaming. Using pipes as an example, if we want to rename the
pipe name from the string literal expression, we use the transform
method to find rename locations rather than the string literal itself
(which will not return any results because it's just a string).
So the general approach is:
* Determine the details about the requested rename location, i.e. the
targeted template node and symbol for a template rename, or the TS
node for a rename outside a template.
* Using the details of the location, determine if the node is attempting
to rename something that is an indirect rename (pipes, selectors,
bindings). Other renames are considered "direct" and we use whatever
results the native TSLS returns for the rename locations.
* In the case of indirect renames, we throw out results that do not
appear in the templates (in this case, the shim files). These results will be
for the "indirect" rename that we don't want to touch, but are only
using to find template results.
* Create an additional rename result for the string literal expression
that is used for the input/output alias, the pipe name, or the
selector.
Note that renaming is moving towards being much more accurate in its
results than "find references". When the approach for renaming
stabilizes, we may want to then port the changes back to being shared
with the approach for retrieving references.
PR Close#40523
This commit renames the files for the references and rename functionality to indicate
that they deal with _both_ references and rename, not just references.
PR Close#40523
Currently the compiler treats `@page` rules in the same way as `@media`, however that is incorrect and it results in invalid CSS, because `@page` allows style declarations at the root (e.g. `@page (margin: 50%) {}`) and it only allows a limited set of at-rules to be nested into it. Given these restrictions, we can't really encapsulate the styles since they apply at the document level when the user tries to print.
These changes make it so that `@page` rules are preserved so that we don't break the user's CSS.
More information: https://www.w3.org/TR/css-page-3Fixes#26269.
PR Close#41915
adding optional body for HTTP delete request options. This new param added as an optional so won't break the existing code also provide the capability the send the body when and where it required.
PR Close#41723
This commit adds support for `$` in when selecting attributes.
Resolves#41244.
test(language-service): Add test to expose bug caused by source file change (#41500)
This commit adds a test to expose the bug caused by source file change in
between typecheck programs.
PR Close#41500
PR Close#41567
Some localization workflows want to use the extracted source translation
files directy back in the project as a target translation file.
The extraction process generates files that only contain "source" messages
and not "target" messages. This is actually valid for most translation formats
but currently the Angular localization process expects target translation files
to always contain target messages and will stop with an error in this case.
Now, instead of an error, the translation file loader will log a warning,
and then try to falback to a source message, only erroring if this is also
missing.
Fixes#21690
PR Close#41944
This allows the linker to be used as a true Babel plugin. In a Babel
configuration file, include the linker as follows:
```js
{
plugins: [
'@angular/compiler-cli/linker/babel',
]
}
```
or, if you need to specify configuration options:
```js
{
plugins: [
['@angular/compiler-cli/linker/babel', {linkerJitMode: true}],
]
}
```
PR Close#41918
When there are multiple attributes that are marked for i18n translation,
which contain expression bindings, we were generating i18n update op-codes
that did not accurately map to the correct value to be bound in the lView.
Each attribute's bindings were relative to the start of the lView first
attributes values rather than to their own.
This fix passes the current binding index to `generateBindingUpdateOpCodes()`
when processing i18n attributes to account for this.
Fixes#41869
PR Close#41882
When including a component in a template, the component's host element
is immediately appended as child of the parent node upon creation.
Hence, `hostElement.parentNode` will be a valid reference. However, if
the parent component is being inserted as an embedded view—through
`ngIf` for example—then the parent's node itself will not have been
inserted yet. This means that we cannot properly determine the position
of the transition namespace, as any `containsElement` check will return
false given that the partial DOM tree has not been inserted yet, even
though it will be contained within an existing transition namespace once
the partial tree is attached.
This commit fixes the issue by not just looking at the existence of a
parent node, but rather a more extensive check using the driver's
`containsElement` method.
PR Close#19854
This commit changes the reference emitters in the Ivy compiler to prefer
non-aliased exports if they exist. This avoids selecting "private
exports" that may not be stable, e.g. the reexports that have been added
by the View Engine compiler. Such reexports are not stable and are
therefore not suitable to be emitted into partial compilations, as the
output of partial compilations should only reference stable symbols
from upstream libraries.
An alternative solution has been considered where ViewEngine-generated
exports would gain a certain prefix, such that the Ivy compiler could
just exclude those exports (see #41443). However, that solution would
be insufficient in case a library is built using partial compilation and
while depending itself on a VE-compiled library from earlier versions of
Angular, where the magic prefix would be missing. For such libraries,
ngcc would have generated reexports using the declared name if not already
present so this change does result in choosing the correct export.
Because ngcc always generates reexports using the declared name even if
an aliased export is present, this change causes those ngcc-generated
exports to be chosen in downstream libraries using partial compilation.
This is unfortunate as it means that the declared names become
effectively public even if the library author was intentionally
exporting it using an alias. This commit does not address this problem;
it is expected that this should not result in widespread issues across
the library ecosystem.
Fixes#41277
PR Close#41866
The legacy-unit-tests-saucelabs job does not need to compile the
compiler compliance tests as they are not used in those tests. Since
the compliance tests can be configured to use specific compiler options,
the generic tsconfig that is used in legacy-unit-tests-saucelabs may not
succeed to compile the compliance tests so this commit excludes those
source files.
PR Close#41866
Makes the following improvements to the listener instructions to make them slightly smaller and more memory-efficient.
1. Removes the default value from the `useCapture` parameter since it generates more code than just castint to `false`.
2. Removes the `useCapture` and `eventTargetResolver` parameters from `ɵɵsyntheticHostListener` since they won't be generated by the compiler, as far as I can tell.
3. Makes it so that we don't have to return a target name from a `GlobalTargetResolver`. This allows us to save on some memory, because we can return a reference to the target without having to wrap it in an object literal.
DEPRECATIONS:
`EventManagerPlugin.getGlobalEventTarget` is now deprecated and won't be called from Ivy code anymore. Global events will go through `addEventListener`.
PR Close#41807
Updates some tests where values related to the `HEADER_OFFSET` are hardcoded, causing them to break when the offset is updated. This comes up once in a while during refactorings and these changes should save us some time in the future.
PR Close#41883
`@font-face` rules cannot contain nested selectors. Nor can they be
nested under a selector. Normally this would be a syntax error by the
author of the styles. But in some rare cases, such as importing styles
from a library, and applying `:host ::ng-deep` to the imported styles,
we can end up with broken css if the imported styles happen to contain
`@font-face` rules.
This commit works around this problem by sanitizing such cases (erasing
any scoping selectors) during emulated ShadowDOM encapsulation style
processing.
Fixes#41751
PR Close#41815
George Kalpakas
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