/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict
 */

/**
 * LexicalCodePrism
 */

import type {LexicalEditor, LexicalExtension} from 'lexical';
import type {NamedSignalsOutput} from '@lexical/extension';

type TokenContent = string | Token | (string | Token)[];
export interface Token {
  type: string;
  content: TokenContent;
}
export interface Tokenizer {
  defaultLanguage: string | null;
  tokenize(code: string, language?: string): (string | Token)[];
}
declare export var PrismTokenizer: Tokenizer;

declare export function registerCodeHighlighting(
  editor: LexicalEditor,
  tokenizer?: Tokenizer,
): () => void;

export type CodePrismConfig = {
  disabled: boolean,
  tokenizer: Tokenizer,
};
declare export var CodePrismExtension: LexicalExtension<CodePrismConfig, "@lexical/code-prism", NamedSignalsOutput<CodePrismConfig>, void>;

declare export function normalizeCodeLanguage(lang: string): string;

declare export var getCodeLanguages: () => string[];
declare export function getLanguageFriendlyName(lang: string): string;

declare export var CODE_LANGUAGE_FRIENDLY_NAME_MAP: {[string]: string};
declare export var CODE_LANGUAGE_MAP: {[string]: string};