Module providing a utility to update an object on `window` for observation via Chrome Live Expressions

show-me.js

// Use in tandem with Chrome Live Expressions to track values you're interested in.
// https://developers.google.com/web/updates/2018/08/devtools#watch)

window.showMe =
  window.showMe ||
  (() => {
    return window.watchMe || null;
  });

export const showMe = (key, value) => {
  const current = window.watchMe || {};
  window.watchMe = { ...current, [key]: value };
};

export const tapShowMe = (key, selector) => state => {
  showMe(key, selector(state));
  return state;
};