normalizeCodeLocInfo() — react Function Reference

Source Code

packages/internal-test-utils/consoleMock.js lines 148–169

function normalizeCodeLocInfo(str) {
  if (typeof str !== 'string') {
    return str;
  }
  // This special case exists only for the special source location in
  // ReactElementValidator. That will go away if we remove source locations.
  str = str.replace(/Check your code at .+?:\d+/g, 'Check your code at **');
  // V8 format:
  //  at Component (/path/filename.js:123:45)
  // React format:
  //    in Component (at filename.js:123)
  return str.replace(/\n +(?:at|in) ([^(\[\n]+)[^\n]*/g, function (m, name) {
    name = name.trim();
    if (name.endsWith('.render')) {
      // Class components will have the `render` method as part of their stack trace.
      // We strip that out in our normalization to make it look more like component stacks.
      name = name.slice(0, name.length - 7);
    }
    name = name.replace(/.*\/([^\/]+):\d+:\d+/, '**/$1:**:**');
    return '\n    in ' + name + ' (at **)';
  });
}