@atlaskit/editor-wikimarkup-transformer/dist/cjs/parser/tokenize/force-line-break.js

Wiki markup transformer for JIRA and Confluence

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.forceLineBreak = void 0;
/**
 * Jira is using the following regex to match force line break
 * private static final Pattern FORCE_NEWLINE = Pattern.compile("(?<!\\\\)\\\\{2}(?!\\S*\\\\)");
 */

// Ignored via go/ees005
// eslint-disable-next-line require-unicode-regexp
var FORCE_LINE_BREAK_REGEX = /^\\{2}(?!\S*\\)/;
var forceLineBreak = exports.forceLineBreak = function forceLineBreak(_ref) {
  var input = _ref.input,
    position = _ref.position,
    schema = _ref.schema;
  if (position > 0) {
    var charBefore = input.charAt(position - 1);
    if (charBefore === '\\') {
      return fallback(input, position);
    }
  }
  var match = input.substring(position).match(FORCE_LINE_BREAK_REGEX);
  if (match) {
    return {
      type: 'pmnode',
      nodes: [schema.nodes.hardBreak.createChecked()],
      length: 2
    };
  }
  return fallback(input, position);
};
function fallback(input, position) {
  return {
    type: 'text',
    text: input.substr(position, 2),
    length: 2
  };
}