Narrows down the versions of TypeScript we need to support.
BREAKING CHANGE:
* TypeScript versions less than 5.8 are no longer supported.
PR Close#60197
This commit fixes a bug where nodes are reused across incremental
compilations. The source file's next template ID is lost because a new
source file is created but nodes may still be retained.
PR Close#60152
Instead of using a property on BinaryOperatorExpr / UnaryOperatorExpr,
introduce a ParenthesizedExpr which can be used to parenthesize any
expression.
PR Close#60127
Add support for the `void` operator in templates and host bindings.
This is useful when binding a listener that may return `false` and
unintentionally prevent the default event behavior.
Ex:
```
@Directive({
host: { '(mousedown)': 'void handleMousedown()' }
})
```
BREAKING CHANGE: `void` in an expression now refers to the operator
Previously an expression in the template like `{{void}}` referred to a
property on the component class. After this change it now refers to the
`void` operator, which would make the above example invalid. If you have
existing expressions that need to refer to a property named `void`,
change the expression to use `this.void` instead: `{{this.void}}`.
PR Close#59894
The CLI uses the `ts.transform` API to apply the Angular compiler's transformers
on the source files when `isolatedModules` is true (and various other constraints)
instead of going through a full `ts.Program.emit` operation. This results in the
transformers to operate in an environment where no emit resolver is available, which
was not previously accounted for. This commit reflects the possibility for the emit
resolver to be missing and handles this scenario accordingly.
Fixes#59837
PR Close#59869
Currently when we generate the tracking expression for a `@for` block, we process its expression in the context of the creation block. This is incorrect, because the expression may require ops of its own for cases like nullish coalescing or safe reads. The result is that while we do generate the correct variable, they're added to the creation block rather than the tracking function which causes an error at runtime.
These changes address the issue by keeping track of a separate set of ops for the `track` expression that are prepended to the generated function, similarly to how we handle event listeners.
Fixes#56256.
PR Close#58520
When the compiler analyzes the defer blocks in a component, it generates two sets of dependencies: ones specific for each block and others from all the deferred blocks within the component. The logic that combines all the defer block dependencies wasn't de-duplicating them which resulted in us producing `setClassMetadataAsync` calls where the callback can have multiple parameters with the same name. This was a problem both in full and partial compilation, but the latter was more visible, because Babel throws an error in such cases.
These changes add some logic to de-duplicate the dependencies so that we produce valid code.
Fixes#59922.
PR Close#59926
Adjusts the code we generate for HMR so that it passes in the HMR ID and `import.meta` to the `replaceMetadata` call. This is necessary so we can do better logging of errors.
PR Close#59854
When we generate an HMR replacement function, we determine which locals from the file are used and we pass them by reference. This works fine in most cases, but breaks down for const enums which don't have a runtime representation.
These changes work around the issue by passing in all the values as an object literal.
Fixes#59800.
PR Close#59815
Fixes that the partial evaluator was interpreting initializer-less enum members as undefined. In this case the value is the same as the index.
PR Close#59815
Makes the following cleanups in the output AST:
* The `TemplateLiteral` and `TemplateLiteralElement` nodes have been renamed to `TemplateLiteralExpr` and `TemplateLiteralElementExpr` respectively for consistency and to avoid overlaps with the expression AST nodes.
* The `TemplateLiteralExpr` and `TemplateLiteralElementExpr` have been refactored to be `Expression`s for correctness. This involves updating some existing code.
* The `TaggedTemplateExpr` has been renamed to `TaggedTemplateLiteralExpr` for consistency.
PR Close#59230
Updates the HMR dependencies extraction logic to handle conditional expressions.
For example, `providers: [condition ? providersA : providersB]`.
PR Close#59637
Fixes that we were filtering out the component itself from the set of dependencies when HMR is enabled, breaking self-referencing components.
Fixes#59632.
PR Close#59644
When HMR is enabled, we need to capture the dependencies used in a template and forward them to the HMR replacement function. One half of this process is static, meaning that we can't change it after the initial compilation. Tree shaking becomes a problem in such a case, because the user can change the template in a way that changes the set of dependencies which will start matching with the static part of the HMR code.
These changes disable the tree shaking when HMR is enabled to ensure that the dependencies stay stable.
Fixes#59581.
PR Close#59595
Adds a new diagnostic that ensures that a standalone component using custom structural directives in a template has the necessary imports for those directives.
Fixes#37322
PR Close#59443
The URL that is dynamically imported to fetch a potential component update
for HMR is now based on the value of `import.meta.url`. This ensures that
the request is sent to the same location that was used to retrieve the
application code. For some development server setups the HTML base HREF
may not be the location of the Angular development server. By using the
application code location which was generated by the development server,
HMR requests can continue to work as expected in these scenarios. In
most common cases, this change will not have any effect as the HTML base
HREF aligns with the location of the application code files.
PR Close#59459
Fixes that the HMR dependency extraction logic wasn't handling some node types. Most of these are a bit edge-case-ey in component definitions, but variable initializers and arrow functions can realistically happen in factories.
PR Close#59445
in order for the docs to process function entry, this commit refactor function extraction by keeping the implementation as a the default entry and adds all the overloads into a separate array of entries.
fixes#56144
PR Close#56489
Fixes that the compiler wasn't capturing defer block dependencies correctly when `supportTestBed` is disabled. We had tests for this, but we didn't notice the issue because the dependencies ended up being captured because of the `setClassMetadata` calls. Once they're disabled, the dependencies stopped being recorded.
Fixes#59310.
PR Close#59313
During the HMR dependency analysis we need to check if an identifier is top-level or not. We do this by looking at each identifier and its parent, however we didn't account for some cases. These changes expand our logic to cover more of the common node types.
Related to https://github.com/angular/angular/issues/59310#issuecomment-2563963501.
PR Close#59323
Some time ago we narrowed down the expressions we support in two-way bindings, because in most cases any apart from property reads doesn't make sense. This ended up preventing users from using `$any` in the binding since it's considered a function call.
These changes update the validation logic to allow `$any`.
Fixes#51165.
PR Close#59362
We recently introduced a custom error to allow us to catch certain types
of errors. Unfortunately it doesn't work as expected in G3 because the
Node execution seems to run with ES5.
PR Close#59219
