70dd27ffd8
The html parser already normalizes line endings (converting `\r\n` to `\n`) for most text in templates but it was missing the expressions of ICU expansions. In ViewEngine backticked literal strings, used to define inline templates, were already normalized by the TypeScript parser. In Ivy we are parsing the raw text of the source file directly so the line endings need to be manually normalized. This change ensures that inline templates have the line endings of ICU expression normalized correctly, which matches the ViewEngine. In ViewEngine external templates, defined in HTML files, the behavior was different, since TypeScript was not normalizing the line endings. Specifically, ICU expansion "expressions" are not being normalized. This is a problem because it means that i18n message ids can be different on different machines that are setup with different line ending handling, or if the developer moves a template from inline to external or vice versa. The goal is always to normalize line endings, whether inline or external. But this would be a breaking change since it would change i18n message ids that have been previously computed. Therefore this commit aligns the ivy template parsing to have the same "buggy" behavior for external templates. There is now a compiler option `i18nNormalizeLineEndingsInICUs`, which if set to `true` will ensure the correct non-buggy behavior. For the time being this option defaults to `false` to ensure backward compatibility while allowing opt-in to the desired behavior. This option's default will be flipped in a future breaking change release. Further, when this option is set to `false`, any ICU expression tokens, which have not been normalized, are added to the `ParseResult` from the `HtmlParser.parse()` method. In the future, this collection of tokens could be used to diagnose and encourage developers to migrate their i18n message ids. See FW-2106. Closes #36725 PR Close #36741 |
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README.md
public-api/
This directory contains all of the public api goldens for our npm packages we publish to NPM. These are tested on all PRs and commits as part of the our bazel tests.
To check or update the public api goldens, run one of the following commands:
yarn public-api:check
yarn public-api:update
packages-circular-deps.json
This golden file contains a list of all circular dependencies in the project. As part of the lint CI job we compare the current circular dependencies against this golden to ensure that we don't add more cycles. If cycles have been fixed, this file is also updated so that we can slowly burn down the number of cycles in the project.
To check or update the golden, run the following commands:
yarn ts-circular-deps:check
yarn ts-circular-deps:approve