@atlaskit/editor-wikimarkup-transformer/dist/cjs/parser/tokenize/link-text.js

Wiki markup transformer for JIRA and Confluence

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.linkText = exports.LINK_TEXT_REGEXP = void 0;
var _adfSchema = require("@atlaskit/adf-schema");
var _url = require("../utils/url");
// the regex should exclude the period and exclamation mark as the last character
var LINK_TEXT_REGEXP = exports.LINK_TEXT_REGEXP =
// Ignored via go/ees005
// eslint-disable-next-line require-unicode-regexp
/^((?:(?:https?|ftps?):\/\/)|irc:\/\/|mailto:)([\w?!~^\/\\#$%&'()*+,\-.\/:;<=@]*[\w~^\/\\#$%&'()*+,\-\/:;<=@])/i;
var linkText = exports.linkText = function linkText(_ref) {
  var input = _ref.input,
    position = _ref.position,
    schema = _ref.schema;
  var matches = input.substring(position).match(LINK_TEXT_REGEXP);
  if (!matches) {
    return fallback(input, position);
  }
  var match = trimBadEndChar(matches);

  // Remove mailto:
  var textRepresentation = match[1] === 'mailto:' ? match[2] : match[0];
  // parse and correctly encode any illegal characters, and
  // so no longer need to be encoded when used below
  var url = (0, _url.decode)(unescape(match[0]));
  if (!(0, _adfSchema.isSafeUrl)(url)) {
    return fallback(input, position);
  }
  var mark = schema.marks.link.create({
    href: url
  });
  var textNode = schema.text(textRepresentation, [mark]);
  return {
    type: 'pmnode',
    nodes: [textNode],
    length: match[0].length
  };
};
function unescape(url) {
  var result = '';
  for (var i = 0; i < url.length; i++) {
    var char = url[i];
    if (char !== '\\') {
      result += char;
      continue;
    }
    var nextChar = url[i + 1];
    if (nextChar) {
      result += nextChar;
      i++;
    }
  }
  return result;
}
function fallback(input, position) {
  return {
    type: 'text',
    text: input.substr(position, 1),
    length: 1
  };
}

// removes bad characters from the end of regex match
function trimBadEndChar(input) {
  return [
  // Ignored via go/ees005
  // eslint-disable-next-line require-unicode-regexp
  input[0].replace(/[.,>)\];}"\'!]*$/, ''), input[1],
  // Ignored via go/ees005
  // eslint-disable-next-line require-unicode-regexp
  input[2].replace(/[.,>)\];}"\'!]*$/, '')];
}