Function copyWithDeleteImpl

dash/deps/react-dom@18.2.0.js:29013–29030

(obj, path, index)

  {
    var copyWithDeleteImpl = function (obj, path, index) {
      var key = path[index];
      var updated = isArray(obj) ? obj.slice() : assign({}, obj);

      if (index + 1 === path.length) {
        if (isArray(updated)) {
          updated.splice(key, 1);
        } else {
          delete updated[key];
        }

        return updated;
      } // $FlowFixMe number or string is fine here


      updated[key] = copyWithDeleteImpl(obj[key], path, index + 1);
      return updated;
    };

    var copyWithDelete = function (obj, path) {
      return copyWithDeleteImpl(obj, path, 0);