Function isReusableEditorState

src/lib/editorManager.js:1328–1338

(file, signature)

	}

	function isReusableEditorState(file, signature) {
		const session = getRawEditorState(file?.session);
		return (
			!!session &&
			!!file.__cmSessionReady &&
			file.__cmExtensionSignature === signature &&
			!!session.doc &&
			typeof session.update === "function" &&
			typeof session.facet === "function"
		);
	}

	function getFileLanguageSignature(file, extensionSignature) {
		return JSON.stringify({