@wordpress/e2e-test-utils/build-module/wp-data-select.js

End-To-End (E2E) test utils for WordPress.

/**
 * Queries the WordPress data module.
 *
 * `page.evaluate` - used in the function - returns `undefined`
 * when it encounters a non-serializable value.
 * Since we store many different values in the data module,
 * you can end up with an `undefined` result. Before using
 * this function, make sure the data you are querying
 * doesn't contain non-serializable values, for example,
 * functions, DOM element handles, etc.
 *
 * @see https://pptr.dev/#?product=Puppeteer&version=v9.0.0&show=api-pageevaluatepagefunction-args
 * @see https://github.com/WordPress/gutenberg/pull/31199
 *
 * @param {string}    store      Store to query e.g: core/editor, core/blocks...
 * @param {string}    selector   Selector to execute e.g: getBlocks.
 * @param {...Object} parameters Parameters to pass to the selector.
 *
 * @return {Promise<?Object>} Result of querying.
 */
export async function wpDataSelect(store, selector, ...parameters) {
  return page.evaluate((_store, _selector, ..._parameters) => {
    return window.wp.data.select(_store)[_selector](..._parameters);
  }, store, selector, ...parameters);
}
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