github-pages-deploy-action/node_modules/before-after-hook/lib/remove.js

module.exports = removeHook;

function removeHook(state, name, method) {
  if (!state.registry[name]) {
    return;
  }

  var index = state.registry[name]
    .map(function (registered) {
      return registered.orig;
    })
    .indexOf(method);

  if (index === -1) {
    return;
  }

  state.registry[name].splice(index, 1);
}