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* Add NewContext module This implements a reverse linked list tree containing the previous contexts. * Implement recursive algorithm This algorithm pops the contexts back to a shared ancestor on the way down the stack and then pushes new contexts in reverse order up the stack. * Move isPrimaryRenderer to ServerFormatConfig This is primarily intended to be used to support renderToString with a separate build than the main one. This allows them to be nested. * Wire up more element type matchers * Wire up Context Provider type * Wire up Context Consumer * Test * Implement reader in class * Update error codez
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.transform-error-messagesis a Babel pass that rewrites error messages to IDs for a production (minified) build.