@atlaskit/editor-plugin-custom-autoformat/dist/esm/pm-plugins/input-rules.js

Custom autoformat plugin for @atlaskit/editor-core

var MAX_MATCH = 500;

// this is a modified version of
// https://github.com/ProseMirror/prosemirror-inputrules/blob/master/src/inputrules.js#L53
export var triggerInputRule = function triggerInputRule(view, rules, from, to, text) {
  var state = view.state;
  var $from = state.doc.resolve(from);
  if ($from.parent.type.spec.code) {
    return false;
  }
  var textBefore = $from.parent.textBetween(Math.max(0, $from.parentOffset - MAX_MATCH), $from.parentOffset, undefined, "\uFFFC") + text;

  // loop through rules trying to find one that matches
  for (var i = 0; i < rules.length; i++) {
    var _match = void 0;
    if (text.length) {
      _match = rules[i].matchTyping.exec(textBefore);
    } else {
      _match = rules[i].matchEnter.exec(textBefore);
    }
    if (_match) {
      // kick off the handler
      var pos = from - (_match[0].length - text.length);
      rules[i].handler(view, _match, pos, to);
      return true;
    }
  }
  return false;
};