@sanity/form-builder/lib/utils/subscriptionManager.js

Sanity form builder

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = create;
function create() {
  for (var _len = arguments.length, keys = new Array(_len), _key = 0; _key < _len; _key++) {
    keys[_key] = arguments[_key];
  }
  var registry = {};
  function validate(key) {
    if (!keys.includes(key)) {
      throw new Error("Invalid subscription key: \"".concat(key, "\". Must be one of: ").concat(keys.join(', ')));
    }
  }
  function add(key, subscription) {
    validate(key);
    if (registry[key]) {
      throw new Error("Subscription already exists for key: ".concat(key, ". Did you mean to call .replace instead?"));
    }
    registry[key] = subscription;
  }
  function unsubscribe(key) {
    validate(key);
    if (registry[key]) {
      registry[key].unsubscribe();
      registry[key] = null;
    }
  }
  function replace(key, subscription) {
    if (registry[key]) {
      unsubscribe(key);
    }
    add(key, subscription);
  }
  function unsubscribeAll() {
    keys.forEach(key => unsubscribe(key));
  }
  return {
    add: add,
    replace: replace,
    unsubscribe: unsubscribe,
    unsubscribeAll: unsubscribeAll
  };
}