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Stacked on #29491 Previously if you aborted during a render the currently rendering task would itself be aborted which will cause the entire model to be replaced by the aborted error rather than just the slot currently being rendered. This change updates the abort logic to mark currently rendering tasks as aborted but allowing the current render to emit a partially serialized model with an error reference in place of the current model. The intent is to support aborting from rendering synchronously, in microtasks (after an await or in a .then) and in lazy initializers. We don't specifically support aborting from things like proxies that might be triggered during serialization of props |
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| .. | ||
| __tests__ | ||
| codes.json | ||
| extract-errors.js | ||
| invertObject.js | ||
| README.md | ||
| transform-error-messages.js | ||
| Types.js | ||
The error code system substitutes React's error messages with error IDs to provide a better debugging support in production. Check out the blog post here.
codes.jsoncontains the mapping from IDs to error messages. This file is generated by the Gulp plugin and is used by both the Babel plugin and the error decoder page in our documentation. This file is append-only, which means an existing code in the file will never be changed/removed.extract-errors.jsis an node script that traverses our codebase and updatescodes.json. You can test it by runningyarn extract-errors. It works by crawling the build artifacts directory, so you need to have either run the build script or downloaded pre-built artifacts (e.g. withyarn download build). It works with partial builds, too.transform-error-messagesis a Babel pass that rewrites error messages to IDs for a production (minified) build.