@blocknote/core/src/editor/managers/ExtensionManager/symbol.ts

A "Notion-style" block-based extensible text editor built on top of Prosemirror and Tiptap.

/**
 * Symbol used to track the original factory function for extensions.
 * This allows us to retrieve the original factory for comparison and other operations.
 */
export const originalFactorySymbol = Symbol("originalFactory");