@lexical/internal

[!WARNING] This package contains internal utilities shared across the Lexical packages: invariant/devInvariant, dev/prod error- and warning-message formatting, warnOnlyOnce, and the LEXICAL_VERSION constant. These are bound to the build's transforms and are inlined into every other package rather than shipped as a runtime dependency, so it is published only so the modules resolve through normal package resolution — including the source export condition used when developing against a linked checkout.

It is not a public API. Import from lexical and the @lexical/* feature packages instead. Nothing here follows semver and any export may change or disappear without notice.