{
  "version": 3,
  "sources": ["../../../src/lib/utils/EditorAtom.ts"],
  "sourcesContent": ["import { atom, Atom } from '@tldraw/state'\nimport { WeakCache } from '@tldraw/utils'\nimport { Editor } from '../editor/Editor'\n\n/**\n * An Atom that is scoped to the lifetime of an Editor.\n *\n * This is useful for storing UI state for tldraw applications. Keeping state scoped to an editor\n * instead of stored in a global atom can prevent issues with state being shared between editors\n * when navigating between pages, or when multiple editor instances are used on the same page.\n *\n * @public\n */\nexport class EditorAtom<T> {\n\tprivate states = new WeakCache<Editor, Atom<T>>()\n\n\tconstructor(\n\t\tprivate name: string,\n\t\tprivate getInitialState: (editor: Editor) => T\n\t) {}\n\n\tgetAtom(editor: Editor): Atom<T> {\n\t\treturn this.states.get(editor, () => atom(this.name, this.getInitialState(editor)))\n\t}\n\n\tget(editor: Editor): T {\n\t\treturn this.getAtom(editor).get()\n\t}\n\n\tupdate(editor: Editor, update: (state: T) => T): T {\n\t\treturn this.getAtom(editor).update(update)\n\t}\n\n\tset(editor: Editor, state: T): T {\n\t\treturn this.getAtom(editor).set(state)\n\t}\n}\n"],
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