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

A markdown language js compiler.

/**
 * match a footnote
 *
 * use an id or number for footnote, syntax like this:
 *
 *  [^footnote1]: this is a footnote.
 *  [^2]: this is the second footnote.
 *
 * you can write it anywhere.
 *
 */
'use strict';

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

function parse(line, index, lines, renderTree) {
  var reg = /^\s*\[\^([^\[\]]+)\]:\s*(.+)(?:\n|$)/;
  var result = line.match(reg);

  if (!result) {
    return;
  }

  if (renderTree) {
    if (!renderTree.footnotes) {
      renderTree.footnotes = [];
    }

    renderTree.footnotes.push({
      type: 'Footnote',
      key: result[1],
      rawValue: result[2]
    });
  }

  return [null, index];
}

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

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