js-markdown/lib/syntax/inline/Strong.js

A markdown language js compiler.

/**
 * match a strong
 *
 * syntax like this:
 *
 *  **strong**
 *
 * or
 *
 *  __strong__
 *
 * strong can be nested
 *
 */
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

function parse(str, children, renderTree) {
  var flag = str.at(0),
      reg = new RegExp("([\\s\\S]*?)(\\".concat(flag, "\\").concat(flag, ")")),
      restStr = str.slice(2),
      result = restStr.match(reg);

  if (!result) {
    return;
  }

  if (result[1].length > 0) {
    var node = {
      // strong root node
      type: 'Strong',
      rawValue: result[1]
    }; // parse recursively

    this.parseInline(node);
    return [node, result[1].length + 4];
  }

  return;
}

function render() {
  var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  var node = arguments.length > 1 ? arguments[1] : undefined;
  return "<strong>".concat(node.rawValue || '').concat(data, "</strong>");
}

var _default = {
  parse: parse,
  render: render
};
exports["default"] = _default;