@wordpress/hooks/build/createHasHook.js

WordPress hooks library.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * @callback HasHook
 *
 * Returns whether any handlers are attached for the given hookName and optional namespace.
 *
 * @param {string} hookName    The name of the hook to check for.
 * @param {string} [namespace] Optional. The unique namespace identifying the callback
 *                             in the form `vendor/plugin/function`.
 *
 * @return {boolean} Whether there are handlers that are attached to the given hook.
 */
/**
 * Returns a function which, when invoked, will return whether any handlers are
 * attached to a particular hook.
 *
 * @param {import('.').Hooks}    hooks    Hooks instance.
 * @param {import('.').StoreKey} storeKey
 *
 * @return {HasHook} Function that returns whether any handlers are
 *                   attached to a particular hook and optional namespace.
 */
function createHasHook(hooks, storeKey) {
  return function hasHook(hookName, namespace) {
    const hooksStore = hooks[storeKey];

    // Use the namespace if provided.
    if ('undefined' !== typeof namespace) {
      return hookName in hooksStore && hooksStore[hookName].handlers.some(hook => hook.namespace === namespace);
    }
    return hookName in hooksStore;
  };
}
var _default = exports.default = createHasHook;
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