js-markdown/lib/syntax/block/MetaData.js

A markdown language js compiler.

/**
 * match meta data
 *
 * meta data must be written at the beginning of file, syntax like this:
 *
 *  metadata: Hello World!
 *  key:      value
 *
 */
'use strict';

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

function parse(line, index, lines, renderTree) {
  // if not first line
  if (index > 0 || !renderTree) {
    return;
  }

  var reg = /^(\w+):\s*(.+?)(?:\n|$)/;
  var result = line.match(reg);

  if (!result) {
    return;
  }

  if (renderTree) {
    if (!renderTree.metaData) {
      renderTree.metaData = {};
    } // save it in renderTree.metaData


    renderTree.metaData[result[1]] = result[2];
    index++;

    for (var len = lines.length; index < len; index++) {
      result = lines[index].match(reg);

      if (!result) {
        index--;
        break;
      }

      renderTree.metaData[result[1]] = result[2];
    }
  }

  return [null, index];
}

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