getShortDescription() — react Function Reference

Source Code

packages/react-devtools-shared/src/devtools/views/Components/InspectedElementSuspendedBy.js lines 52–81

function getShortDescription(name: string, description: string): string {
  const descMaxLength = 30 - name.length;
  if (descMaxLength > 1) {
    const l = description.length;
    if (l > 0 && l <= descMaxLength) {
      // We can fit the full description
      return description;
    } else if (
      description.startsWith('http://') ||
      description.startsWith('https://') ||
      description.startsWith('/')
    ) {
      // Looks like a URL. Let's see if we can extract something shorter.
      // We don't have to do a full parse so let's try something cheaper.
      let queryIdx = description.indexOf('?');
      if (queryIdx === -1) {
        queryIdx = description.length;
      }
      if (description.charCodeAt(queryIdx - 1) === 47 /* "/" */) {
        // Ends with slash. Look before that.
        queryIdx--;
      }
      const slashIdx = description.lastIndexOf('/', queryIdx - 1);
      // This may now be either the file name or the host.
      // Include the slash to make it more obvious what we trimmed.
      return '…' + description.slice(slashIdx, queryIdx);
    }
  }
  return '';
}