index.ts

import { HtmlParser } from "../../compiler/src/ml_parser/html_parser.js";
import { TagContentType } from '../../compiler/src/ml_parser/tags.js';
import { ParseTreeResult } from "../../compiler/src/ml_parser/parser.js";

let parser: HtmlParser | null = null;

const getParser = () => {
  if (!parser) {
    parser = new HtmlParser();
  }
  return parser;
};

export interface ParseOptions {
  /**
   * any element can self close
   *
   * defaults to false
   */
  canSelfClose?: boolean,
  /**
   * support [`htm`](https://github.com/developit/htm) component closing tags (`<//>`)
   *
   * defaults to false
   */
  allowHtmComponentClosingTags?: boolean,
  /**
   * do not lowercase tag names before querying their tag definitions
   *
   * defaults to false
   */
  isTagNameCaseSensitive?: boolean,
  /**
   * customize tag content type
   *
   * defaults to the content type defined in the HTML spec
   */
  getTagContentType?: (
    tagName: string,
    prefix: string,
    hasParent: boolean,
    attrs: Array<{prefix: string, name: string, value?: string}>
  ) => void | TagContentType,
  /**
   * tokenize angular control flow block syntax
   */
  tokenizeAngularBlocks?: boolean,
}

export function parse(
  input: string,
  options: ParseOptions = {}
): ParseTreeResult {
  const {
    canSelfClose = false,
    allowHtmComponentClosingTags = false,
    isTagNameCaseSensitive = false,
    getTagContentType,
    tokenizeAngularBlocks = false,
  } = options;
  return getParser().parse(
    input,
    "angular-html-parser",
    {
      tokenizeExpansionForms: false,
      interpolationConfig: undefined,
      canSelfClose,
      allowHtmComponentClosingTags,
      tokenizeBlocks: tokenizeAngularBlocks,
    },
    isTagNameCaseSensitive,
    getTagContentType,
  );
}

// For prettier
export { TagContentType };
export {
  RecursiveVisitor,
  visitAll,
} from "../../compiler/src/ml_parser/ast.js";
export {
  ParseSourceSpan,
  ParseLocation,
  ParseSourceFile,
} from "../../compiler/src/parse_util.js";
export { getHtmlTagDefinition } from "../../compiler/src/ml_parser/html_tags.js";
export { htmlAstToRender3Ast } from '../../compiler/src/render3/r3_template_transform.js';
export { makeBindingParser } from '../../compiler/src/render3/view/template';