gatsby-background-image/gatsby-browser.js

Lazy-loading React background-image component with optional support for the blur-up effect.

'use strict';

exports.onClientEntry = function (a, pluginOptions) {
  // Set chars to escape in classNames.
  if (pluginOptions.specialChars) {
    window._gbiSpecialChars = pluginOptions.specialChars;
  }
};