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Merged
merged 15 commits into from
Aug 9, 2020

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PR Checklist

Please check if your PR fulfills the following requirements:

PR Type

What kind of change does this PR introduce?

  • Bugfix
  • Feature
  • Code style update (formatting, local variables)
  • Refactoring (no functional changes, no api changes)
  • Build related changes
  • CI related changes
  • Documentation content changes
  • angular.io application / infrastructure changes
  • Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

  • Yes
  • No

Other information

ajitsinghkaler and others added 15 commits August 6, 2020 09:01
PR #36601 introduces icons on all links if the link contains
https:// or http:// but there were some internal links left
which contained https://angular.io. Removed https://angular.io
from all these links.

PR Close #38360
This is to enable the compiler to generate `noSideEffects()` calls. This is a private export, gated by `ɵ`.

PR Close #38320
This introduces a new `ModuleInfo` interface to represent some of the statically analyzed data from an `NgModule`. This
gets passed into transforms to give them more context around a given `NgModule` in the compilation.

PR Close #38320
…ide effectful (#38320)

Roll forward of #38147.

This allows Closure compiler to tree shake unused constructor calls to `NgModuleFactory`, which is otherwise considered
side-effectful. The Angular compiler generates factory objects which are exported but typically not used, as they are
only needed for compatibility with View Engine. This results in top-level constructor calls, such as:

```typescript
export const FooNgFactory = new NgModuleFactory(Foo);
```

`NgModuleFactory` has a side-effecting constructor, so this statement cannot be tree shaken, even if `FooNgFactory` is
never imported. The `NgModuleFactory` continues to reference its associated `NgModule` and prevents the module and all
its unused dependencies from being tree shaken, making Closure builds significantly larger than necessary.

The fix here is to wrap `NgModuleFactory` constructor with `noSideEffects(() => /* ... */)`, which tricks the Closure
compiler into assuming that the invoked function has no side effects. This allows it to tree-shake unused
`NgModuleFactory()` constructors when they aren't imported. Since the factory can be removed, the module can also be
removed (if nothing else references it), thus tree shaking unused dependencies as expected.

The one notable edge case is for lazy loaded modules. Internally, lazy loading is done as a side effect when the lazy
script is evaluated. For Angular, this side effect is registering the `NgModule`. In Ivy this is done by the
`NgModuleFactory` constructor, so lazy loaded modules **cannot** have their top-level `NgModuleFactory` constructor
call tree shaken. We handle this case by looking for the `id` field on `@NgModule` annotations. All lazy loaded modules
include an `id`. When this `id` is found, the `NgModuleFactory` is generated **without** with `noSideEffects()` call,
so Closure will not tree shake it and the module will lazy-load correctly.

PR Close #38320
…ew page moves (#38365)

Previously, the [processCliCommands][1] dgeni processor, which is used
to generate the docs pages for the CLI commands, expected the CLI
commands overview page (with a URL of `cli`) to exist as a child of a
top-level navigation section (`CLI Commands`). If one tried to move the
`CLI Commands` section inside another section, `processCliCommnads`
would fail to find it and thus fail to generate the CLI commands docs.
This problem came up in #38353.

This commit updates the `processCliCommands` processor to be able to
find it regardless of the position of the `CLI Commands` section inside
the navigation doc.

[1]:
https://github.com/angular/angular/blob/dca4443a8ed65d341356fe62f6df9934e6314dfe/aio/tools/transforms/cli-docs-package/processors/processCliCommands.js#L7-L9

PR Close #38365
…quest handling (#38364)

The order of asset- and data-groups in `ngsw-config.json` affects how a
request is handled by the ServiceWorker. Previously, this was not
clearly documented.

This commit describes how the order of asset-/data-groups affects
request handling.

Closes #21189

PR Close #38364
I18n code breaks up internationalization into opCodes which are then stored
in arrays. To make it easier to debug the codebase this PR adds `debug`
property to the arrays which presents the data in human readable format.

PR Close #38154
…edIcu` (#38154)

Extract `icuSwitchCase`, `icuUpdateCase`, `removeNestedIcu` into
separate functions to align them with the `.debug` property text.

PR Close #38154
The changes in angular/components#20136 are required to allow the
framework tests to succeed.

PR Close #38273
…e's coercion members (#38273)

For attribute bindings that target a directive's input, the template
type checker is able to verify that the type of the input expression is
compatible with the directive's declaration for said input. This
checking adheres to the `strictNullChecks` flag as configured in the
TypeScript compilation, such that errors are reported for expressions
that include `undefined` or `null` in their type if the input's
declaration does not include those types.

There was a bug with this level of type-checking for directives that
also declare coercion members, where binding an expression that includes
the `undefined` type to a directive's input that does not include the
`undefined` type would not be reported as error.

This commit fixes the bug by changing the type-constructor in type-check
code to use an intersection type of regular inputs and coerced inputs,
instead of a union type. The union type would inadvertently allow
`undefined` types to be assigned into the regular inputs, as that would
still satisfy the characteristics of a union type.

As a result of this change, you may start to see build failures if
`strictTemplates` is enabled and `strictInputTypes` is not disabled.
These errors are legitimate and some action is required to achieve a
successful build:

1. Update the templates for which an error is reported and introduce the
   non-null assertion operator at the end of the expression. This
   removes the `undefined` type from the expression's type, making it
   appear as a valid assignment.
2. Disable `strictNullInputTypes` in the compiler options. This will
   implicitly add the non-null assertion operators similar to option 1,
   but all templates in the compilation are affected.
3. Update the directive's input declaration to include the `undefined`
   type, if the directive is not implemented in an external library.

PR Close #38273
The Chrome debugger is not able to render the syntax properly when the
code contains backticks. This is a known issue in Chrome and they have an
open [issue](https://bugs.chromium.org/p/chromium/issues/detail?id=659515) for that.
This commit adds the work-around to use double backslash with one
backtick ``\\` `` at the end of the line.

This can be reproduced by running the following command:

`yarn bazel test //packages/forms/test --config=debug`

When opening the chrome debugger tools, you should see the correct
code highlighting syntax.

PR Close #38332
This change provides better typing for the `LView.debug` property which
is intended to be used by humans while debugging the application with
`ngDevMode` turned on.

In addition this chang also adds jasmine matchers for better asserting
that `LView` is in the correct state.

PR Close #38359
…or (#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
This commit performs minor refactoring in Forms package to get rid of duplicate functions.
It looks like the functions were duplicated due to a slightly different type signatures, but
their logic is completely identical. The logic in retained functions remains the same and now
these function also accept a generic type to achieve the same level of type safety.

PR Close #38371
@GulajavaMinistudio GulajavaMinistudio merged commit 5238aac into TypescriptID:master Aug 9, 2020
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10 participants