Commit Graph

482 Commits

Author SHA1 Message Date
Alessandro 354e66efad refactor(common): use getElementById in ViewportScroller.scrollToAnchor (#30143)
This commit uses getElementById and getElementsByName when an anchor scroll happens,
to avoid escaping the anchor and wrapping the code in a try/catch block.

Related to #28960

PR Close #30143
2020-08-07 11:14:31 -07:00
marcvincenti bb88c9fa3d fix(common): ensure scrollRestoration is writable (#30630)
Some specialised browsers that do not support scroll restoration
(e.g. some web crawlers) do not allow `scrollRestoration` to be
writable.

We already sniff the browser to see if it has the `window.scrollTo`
method, so now we also check whether `window.history.scrollRestoration`
is writable too.

Fixes #30629

PR Close #30630
2020-08-05 16:13:15 -07:00
JiaLiPassion 8fbf40bf40 feat(core): update reference and doc to change `async` to `waitAsync`. (#37583)
The last commit change `async` to `waitForAsync`.
This commit update all usages in the code and also update aio doc.

PR Close #37583
2020-08-03 12:54:13 -07:00
Andrew Scott 8effc83b92 docs(router): clarify how base href is used to construct targets (#38123)
The documentation is not clear on how the base href and APP_BASE_HREF are used. This commit
should help clarify more complicated use-cases beyond the most common one of just a '/'

PR Close #38123
2020-07-29 13:34:02 -07:00
Andrea Canciani 9c8bc4a239 fix(common): narrow `NgIf` context variables in template type checker (#36627)
When the `NgIf` directive is used in a template, its context variables
can be used to capture the bound value. This is sometimes used in
complex expressions, where the resulting value is captured in a
context variable. There's two syntax forms available:

1. Binding to `NgIfContext.ngIf` using the `as` syntax:
```html
<span *ngIf="enabled && user as u">{{u.name}}</span>
```

2. Binding to `NgIfContext.$implicit` using the `let` syntax:
```html
<span *ngIf="enabled && user; let u">{{u.name}}</span>
```

Because of the semantics of `ngIf`, it is known that the captured
context variable is truthy, however the template type checker
would not consider them as such and still report errors when
`strict` is enabled.

This commit updates `NgIf`'s context guard to make the types of the
context variables truthy, avoiding the issue.

Based on https://github.com/angular/angular/pull/35125

PR Close #36627
2020-07-29 10:30:44 -07:00
Ajit Singh 3373453736 feat(common): add ReadonlyMap in place of Map in keyValuePipe (#37311)
ReadonlyMap is a superset of Map, in keyValuePipe we do not change the value of the object so ReadonlyPipe Works right in this case and we can accomodate more types. To accomodate more types added ReadonlyMap in Key Value pipe.

Fixes #37308

PR Close #37311
2020-07-20 14:13:15 -07:00
Kapunahele Wong 5b31a0a294 docs: separate template syntax into multiple docs (#36954)
This is part of a re-factor of template syntax and
structure. The first phase breaks out template syntax
into multiple documents. The second phase will be
a rewrite of each doc.

Specifically, this PR does the following:

- Breaks sections of the current template syntax document each into their own page.
- Corrects the links to and from these new pages.
- Adds template syntax subsection to the left side NAV which contains all the new pages.
- Adds the new files to pullapprove.

PR Close #36954
2020-07-20 11:16:44 -07:00
Dmitrij Kuba 8a74508130 fix(http): avoid abort a request when fetch operation is completed (#37367)
`abort` method is calling, even if fetch operation is completed

Fixes https://github.com/angular/angular/issues/36537

PR Close #37367
2020-06-25 12:09:39 -07:00
Ajit Singh ef1fb6dee4 fix(common): date pipe gives wrong week number (#37632)
Date pipe is giving wrong week number when used with the date format 'w'. If first week(according to Iso)  has some days in previous year

Fixes #33961

PR Close #37632
2020-06-25 12:08:46 -07:00
Joey Perrott 1bc807c81a style(common): enforce format on newly included files (#36940)
Historically files to be formatted were added to a listing (via matchers)
to be included in formatting.  Instead, this change begins efforts to
instead include all files in format enforcement, relying instead on an
opt out methodology.

PR Close #36940
2020-06-12 15:06:41 -07:00
Joey Perrott 0a1d078a74 Revert "build: remove wombot proxy registry from package.jsons for release (#37378)" (#37495)
This reverts commit 26849ca99d.

PR Close #37495
2020-06-10 08:21:45 -07:00
Lars Gyrup Brink Nielsen 7edb026619 fix(common): prevent duplicate URL change notifications (#37459)
Prevent duplicate notifications from being emitted when multiple URL change listeners are registered using SpyLocation#onUrlChange.

Use `@internal` annotation for the `_urlChangeSubscription` properties instead of the `private` access modifier. Otherwise, we get in trouble because of  `SpyLocation implements Location`.

PR Close #37459
2020-06-09 08:26:34 -07:00
Lars Gyrup Brink Nielsen 0b7845964b test(common): prefer TestBed.inject over inject (#37459)
Use the strongly typed TestBed.inject rather than the weakly typed inject test utility function. Reuse injected dependency variables between sibling test cases.

PR Close #37459
2020-06-09 08:26:34 -07:00
Lars Gyrup Brink Nielsen 3569fdf451 fix(common): prevent duplicate URL change notifications (#37404)
Prevent duplicate notifications from being emitted when multiple URL change listeners are registered using Location#onUrlChange.

PR Close #37404
2020-06-04 16:45:06 -07:00
Joey Perrott 26849ca99d build: remove wombot proxy registry from package.jsons for release (#37378)
Due to an outage with the proxy we rely on for publishing, we need
to temporarily directly publish to NPM using our own angular
credentials again.

PR Close #37378
2020-06-01 12:41:19 -04:00
Joey Perrott d1ea1f4c7f build: update license headers to reference Google LLC (#37205)
Update the license headers throughout the repository to reference Google LLC
rather than Google Inc, for the required license headers.

PR Close #37205
2020-05-26 14:26:58 -04:00
Alan Agius 772c5b8f64 refactor: update to tslib 2.0 and move to direct dependencies (#37198)
Tslib version is bound to the TypeScript version used to compile the library. Thus, we shouldn't list `tslib` as a  `peerDependencies`. This is because, a user can install libraries which have been compiled with older versions of TypeScript and thus require multiple `tslib` versions to be installed.

Reference: TOOL-1374 and TOOL-1375

Closes: #37188

PR Close #37198
2020-05-19 14:57:09 -07:00
Shadi Namrouti 90205079d7 docs(common): English grammar (#36908)
In English grammar, the comma followed by a conjunction is considered incorrect. This kind of mistakes called comma splice.
See: https://www.grammarly.com/blog/comma-splice/
PR Close #36908
2020-05-13 16:03:25 -07:00
cexbrayat 4f3ac1d983 docs(common): fix CLDR website link in FormStyle doc (#37069)
The `FormStyle` enum offers two options, and the explanation of the difference between the two can be found on the CLDR official website. Sadly, the link changed and the one currently referenced is a dead-end. This commit fixes the link.

PR Close #37069
2020-05-12 14:41:20 -07:00
Misko Hevery cb6ddfc215 Revert "fix(common): `locales/global/*.js` are not ES5 compliant (#36342)" (#37074)
This reverts commit 078b0be4dc.

The original commit was a work around for a bug in CLI. That bug was fixed in the CLI, as a result this change is no longer needed and is being reverted.

PR Close #37074
2020-05-12 13:11:57 -07:00
Lars Gyrup Brink Nielsen 14be55c9fa docs(common): remove mention of the deprecated (#36953)
web worker platform. Minor grammar/stylistic changes.

Inline documentation for the PlatformLocation service instead mentions @angular/platform-server.

Typos corrected, minor grammar and stylistic changes.

PR Close #36953
2020-05-08 09:40:35 -07:00
Igor Minar d578ab8f3c build: simplify package.jsons for all of our packages (#36944)
We can remove all of the entry point resolution configuration from the package.json
in our source code as ng_package rule adds the properties automatically and correctly
configures them.

This change simplifies our code base but doesn't have any impact on the package.json
in the distributed npm_packages.

PR Close #36944
2020-05-06 13:54:26 -07:00
Andrew Scott 49be32c931 refactor(common): remove WrappedValue from AsyncPipe (#36633)
`AsyncPipe` only uses `WrappedValue` when the latest value from the `Promise` or `Observable` is different from the previous one. This is already enough to trigger change detection so the `WrappedValue` is not necessary.

Fixes #29927

BREAKING CHANGE:
This change could result in ExpressionChangedAfterItHasBeenChecked errors that
were not detected before. The error could previously have gone undetected
because two WrappedValues are considered "equal" in all cases for the purposes
of the check, even if their respective unwrapped values are not.

Additionally, `[val]=(observable | async).someProperty` will no longer
trigger change detection if the value of `someProperty` is identical to
the value in the previous emit. If you need to force change detection,
either update the binding to use an object whose reference changes or
subscribe to the observable and call markForCheck as needed.

PR Close #36633
2020-04-30 11:41:49 -07:00
Santosh Yadav e5d2853070 docs: correct ngSwitch definition (#35489)
PR Close #35489
2020-04-23 12:13:39 -07:00
Pete Bacon Darwin c6e5fc4fbe fix(common): format day-periods that cross midnight (#36611)
When formatting a time with the `b` or `B` format codes, the rendered
string was not correctly handling day periods that spanned midnight.
Instead the logic was falling back to the default case of `AM`.

Now the logic has been updated so that it matches times that are within
a day period that spans midnight, so it will now render the correct
output, such as `at night` in the case of English.

Applications that are using either `formatDate()` or `DatePipe` and any
of the `b` or `B` format codes will be affected by this change.

Fixes #36566

PR Close #36611
2020-04-16 09:40:40 -07:00
Joey Perrott 698b0288be build: reformat repo to new clang@1.4.0 (#36613)
PR Close #36613
2020-04-14 12:08:36 -07:00
Alison Gale 0cc53fb398 fix(upgrade): update $locationShim to handle Location changes before initialization (#36498)
Updates the $locationShim to receive the most recent Location change
made, even if it happened before initialize() is called. This is
important when AngularJS bootstrapping is deferred and there is a delay
between when $locationShim is constructed and when it is initialized.
With this change, the $locationShim will correctly reflect any redirects
that occurred between construction and initialization.

Closes #36492

PR Close #36498
2020-04-13 17:33:00 -07:00
Terence D. Honles 078b0be4dc fix(common): `locales/global/*.js` are not ES5 compliant (#36342)
Although this code has been part of Angular 9.x I only noticed this
error when upgrading to Angular 9.1.x because historically the source
locale data was not injected when localizing, but as of
angular/angular-cli#16394 (9.1.0) it is now included. This tipped me off
that my other bundles were not being built properly, and this change
allows me to build a valid ES5 bundle (I have also added a verification
step to my build pipeline to alert me if this error appears again in any
of my bundles).

I found the `locales/global/*.js` file paths being referenced by the
`I18nOptions` in
@angular-devkit/build-angular/src/utils/i18n-options.ts,
and following that it looks like it is actually loaded and used in
@angular-devkit/build-angular/src/utils/process-bundle.ts. I saw the
function `terserMangle` does appear that it is likely aware of the build
being ES5, but I'm not sure why this is not producing a valid ES5
bundle.

This change updates `tools/gulp-tasks/cldr/extract.js` to produce ES5
compliant `locales/global/*.js` and that fixes my issue. However, I am
not sure if @angular-devkit/build-angular should be modified to produce
a valid ES5 bundle instead or if the files could be TypeScript rather
than JavaScript files.

A test that a valid ES5 bundle is produced would be helpful, and I hope
this is reproducible and not some issue with my config.

PR Close #36342
2020-04-09 11:30:32 -07:00
JiaLiPassion 41667de778 fix(zone.js): add issue numbers of `@types/jasmine` to the test cases (#34625)
Some cases will still need to use `spy as any` cast, because `@types/jasmine` have some issues,
1. The issue jasmine doesn't handle optional method properties, https://github.com/DefinitelyTyped/DefinitelyTyped/issues/43486
2. The issue jasmine doesn't handle overload method correctly, https://github.com/DefinitelyTyped/DefinitelyTyped/issues/42455

PR Close #34625
2020-04-08 12:10:34 -07:00
JiaLiPassion ef4736d052 build: update jasmine to 3.5 (#34625)
1. update jasmine to 3.5
2. update @types/jasmine to 3.5
3. update @types/jasminewd2 to 2.0.8

Also fix several cases, the new jasmine 3 will help to create test cases correctly,
such as in the `jasmine 2.x` version, the following case will pass

```
expect(1 == 2);
```

But in jsamine 3, the case will need to be

```
expect(1 == 2).toBeTrue();
```

PR Close #34625
2020-04-08 12:10:34 -07:00
JoostK d783519835 fix(common): let `KeyValuePipe` accept type unions with `null` (#36093)
`KeyValuePipe` currently accepts `null` values as well as `Map`s and a
few others. However, due to the way in which TS overloads work, a type
of `T|null` will not be accepted by `KeyValuePipe`'s signatures, even
though both `T` and `null` individually would be.

To make this work, each signature that accepts some type `T` has been
duplicated with a second one below it that accepts a `T|null` and
includes `null` in its return type.

Fixes #35743

PR Close #36093
2020-03-24 14:41:41 -07:00
Keen Yee Liau 4f9717331d test(common): Add test for NgForOfContext.count (#36046)
`NgForOfContext.count` is the length of the iterable.

PR Close #36046
2020-03-24 10:15:11 -07:00
Keen Yee Liau 36fc28642a docs(common): Add missing entry for NgForOfContext.count (#36046)
`count` is available in `NgForOfContext` but it's missing in the docs.

PR Close #36046
2020-03-24 10:15:11 -07:00
danranVm 47bfec4e46 feat(core): add `isPromise` generic (#34168)
This commit adds generic to `isPromise` function to help with type inference.

PR Close #34168
2020-03-20 10:15:01 -07:00
Alan Agius 2e493edf80 build: provide full paths to `ts_api_guardian_test_npm_package` and `ts_api_guardian_test` (#36034)
ts-api-guardian uses `require.resolve` to resolve the actual and golden files under bazel. In Windows for these files to be resolved correct the full path including the workspace name as per the MANIFEST entries is required.

This used to be the case until the recent changes done to use npm_integration tests

83c74ceacf/tools/public_api_guard/public_api_guard.bzl (L19)
83c74ceacf/tools/public_api_guard/public_api_guard.bzl (L28)

```
bazel test //packages/... --test_tag_filters=api_guard

//packages/animations:animations_api                            (cached) PASSED in 18.4s
//packages/common:common_api                                    (cached) PASSED in 25.5s
//packages/compiler-cli:compiler_options_api                    (cached) PASSED in 12.4s
//packages/compiler-cli:error_code_api                          (cached) PASSED in 11.6s
//packages/core:core_api                                        (cached) PASSED in 20.6s
//packages/core:ng_global_utils_api                             (cached) PASSED in 13.5s
//packages/elements:elements_api                                (cached) PASSED in 11.9s
//packages/forms:forms_api                                      (cached) PASSED in 13.9s
//packages/http:http_api                                        (cached) PASSED in 14.8s
//packages/localize:localize_api                                (cached) PASSED in 6.3s
//packages/platform-browser:platform-browser_api                (cached) PASSED in 18.1s
//packages/platform-browser-dynamic:platform-browser-dynamic_api (cached) PASSED in 14.0s
//packages/platform-server:platform-server_api                  (cached) PASSED in 13.9s
//packages/platform-webworker:platform-webworker_api            (cached) PASSED in 13.7s
//packages/platform-webworker-dynamic:platform-webworker-dynamic_api (cached) PASSED in 11.7s
//packages/router:router_api                                    (cached) PASSED in 19.9s
//packages/service-worker:service-worker_api                    (cached) PASSED in 18.1s
//packages/upgrade:upgrade_api                                  (cached) PASSED in 13.5s
```

Reference: DEV-71

PR Close #36034
2020-03-12 09:49:00 -07:00
Joey Perrott 15f8afa4bf ci: move public-api goldens to goldens directory (#35768)
Moves the public api .d.ts files from tools/public_api_guard to
goldens/public-api.

Additionally, provides a README in the goldens directory and a script
assist in testing the current state of the repo against the goldens as
well as a command for accepting all changes to the goldens in a single
command.

PR Close #35768
2020-03-10 20:58:39 -04:00
JoostK 40039d8068 fix(ivy): narrow `NgIf` context variables in template type checker (#35125)
When the `NgIf` directive is used in a template, its context variables
can be used to capture the bound value. This is typically used together
with a pipe or function call, where the resulting value is captured in a
context variable. There's two syntax forms available:

1. Binding to `NgIfContext.ngIf` using the `as` syntax:
```html
<span *ngIf="(user$ | async) as user">{{user.name}}</span>
```

2. Binding to `NgIfContext.$implicit` using the `let` syntax:
```html
<span *ngIf="user$ | async; let user">{{user.name}}</span>
```

Because of the semantics of `ngIf`, it is known that the captured
context variable is non-nullable, however the template type checker
would not consider them as such and still report errors when
`strictNullTypes` is enabled.

This commit updates `NgIf`'s context guard to make the types of the
context variables non-nullable, avoiding the issue.

Fixes #34572

PR Close #35125
2020-02-28 07:39:57 -08:00
Lars Gyrup Brink Nielsen d41988437e docs(common): update ngForTrackBy error URL (#34761)
Old URL is redirected to
`https://angular.io/api/common/NgForOf#!#change-propagation`
which is not exactly
`https://angular.io/api/common/NgForOf#change-propagation`

PR Close #34761
2020-02-26 12:47:48 -08:00
Felix Becker 1e20b2ca36 build(packaging): add repository.directory field to package.jsons (#27544)
PR Close #27544
2020-02-25 13:12:45 -08:00
Greg Magolan dde68ff954 build: add npm_integration_test && angular_integration_test (#33927)
* it's tricky to get out of the runfiles tree with `bazel test` as `BUILD_WORKSPACE_DIRECTORY` is not set but I employed a trick to read the `DO_NOT_BUILD_HERE` file that is one level up from `execroot` and that contains the workspace directory. This is experimental and if `bazel test //:test.debug` fails than `bazel run` is still guaranteed to work as  `BUILD_WORKSPACE_DIRECTORY` will be set in that context

* test //integration:bazel_test and //integration:bazel-schematics_test exclusively

* run "exclusive" and "manual" bazel-in-bazel integration tests in their own CI job as they take 8m+ to execute

```
//integration:bazel-schematics_test                                      PASSED in 317.2s
//integration:bazel_test                                                 PASSED in 167.8s
```

* Skip all integration tests that are now handled by angular_integration_test except the tests that are tracked for payload size; these are:
- cli-hello-world*
- hello_world__closure

* add & pin @babel deps as newer versions of babel break //packages/localize/src/tools/test:test

@babel/core dep had to be pinned to 7.6.4 or else //packages/localize/src/tools/test:test failed. Also //packages/localize uses @babel/generator, @babel/template, @babel/traverse & @babel/types so these deps were added to package.json as they were not being hoisted anymore from @babel/core transitive.

NB: integration/hello_world__systemjs_umd test must run with systemjs 0.20.0
NB: systemjs must be at 0.18.10 for legacy saucelabs job to pass
NB: With Bazel 2.0, the glob for the files to test `"integration/bazel/**"` is empty if integation/bazel is in .bazelignore. This glob worked under these conditions with 1.1.0. I did not bother testing with 1.2.x as not having integration/bazel in .bazelignore is correct.

PR Close #33927
2020-02-24 08:59:18 -08:00
cexbrayat c77cf717aa test(common): unit test for http/testing expectOne with several requests (#27005)
PR Close #27005
2020-01-31 13:13:38 -08:00
cexbrayat 115b7e42c6 fix(common): http/testing expectOne lists the received requests if no matches (#27005)
Fixes #18013

Previously it was hard to debug an `expectOne` if the request had no match, as the error message was:

    Expected one matching request for criteria "Match URL: /some-url?query=hello", found none.

This commit adds a bit more info to the error, by listing the actual requests received:

    Expected one matching request for criteria "Match URL: /some-url?query=hello", found none. Requests received are: POST /some-url?query=world.

PR Close #27005
2020-01-31 13:13:37 -08:00
cexbrayat a622a281d3 test(common): unit tests for http/testing expectOne (#27005)
PR Close #27005
2020-01-31 13:13:37 -08:00
cexbrayat fcfce99e9e fix(common): remove extra & in http params (#34896)
Previous to this commit, HTTP params like `{ a: '1', b: [], c: '3' }` resulted in a request like `a=1&&c=3` (note the double &&).

The ideal fix would probably be to stringify these params to `a=1&b=&c=3` like we do for empty string values. But that might be breaking as some APIs may rely on the absence of the parameter.

This fixes the issue in a compatible way by just removing the extra and unnecessary `&`, resulting in `a=1&c=3`.

PR Close #34896
2020-01-31 11:26:25 -08:00
Adam 17650523a8 build: remove unneeded style code for ngClass and ngStyle (#34998)
With the release of Flex Layout v9.0.0-beta.28, some added code
after the recent styling refactor is no longer needed.

PR Close #34998
2020-01-29 14:57:21 -08:00
Miško Hevery 5aabe93abe refactor(ivy): Switch styling to new reconcile algorithm (#34616)
NOTE: This change must be reverted with previous deletes so that it code remains in build-able state.

This change deletes old styling code and replaces it with a simplified styling algorithm.

The mental model for the new algorithm is:
- Create a linked list of styling bindings in the order of priority. All styling bindings ere executed in compiled order and than a linked list of bindings is created in priority order.
- Flush the style bindings at the end of `advance()` instruction. This implies that there are two flush events. One at the end of template `advance` instruction in the template. Second one at the end of `hostBindings` `advance` instruction when processing host bindings (if any).
- Each binding instructions effectively updates the string to represent the string at that location. Because most of the bindings are additive, this is a cheap strategy in most cases. In rare cases the strategy requires removing tokens from the styling up to this point. (We expect that to be rare case)S Because, the bindings are presorted in the order of priority, it is safe to resume the processing of the concatenated string from the last change binding.

PR Close #34616
2020-01-24 12:23:00 -08:00
Miško Hevery 69de7680f5 Revert: "feat(ivy): convert [ngStyle] and [ngClass] to use ivy styling bindings" (#34616)
This change reverts https://github.com/angular/angular/pull/28711
NOTE: This change deletes code and creates a BROKEN SHA. If reverting this SHA needs to be reverted with the next SHA to get back into a valid state.

The change removes the fact that `NgStyle`/`NgClass` is special and colaborates with the `[style]`/`[class]` to merge its styles. By reverting to old behavior we have better backwards compatiblity since it is no longer treated special and simply overwrites the styles (same as VE)

PR Close #34616
2020-01-24 12:22:44 -08:00
Miško Hevery 2961bf06c6 refactor(ivy): move `hostVars`/`hostAttrs` from instruction to `DirectiveDef` (#34683)
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
2020-01-24 12:22:10 -08:00
cexbrayat 055533b6a7 feat(common): expose getLocaleCurrencyCode publicly (#34810)
It was previously defined in core without being exposed publicly, whereas `getLocaleCurrencyName` and `getLocaleCurrencySymbol` were defined in common, and publicly exposed.

This commit now privately exposes `ɵgetLocaleCurrencyCode` from core, and reexports it publicly from common.

PR Close #34810
2020-01-23 13:18:53 -08:00
Paul Gschwendtner 970b22f98e test: setup circular dependency tests for all entry points (#34774)
Sets up circular dependency tests for all entry-points in the
project (except for the ones part of a deprecated package).

PR Close #34774
2020-01-23 11:36:40 -08:00