/
utils.js
53 lines (46 loc) · 1.21 KB
/
utils.js
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/* External dependencies */
import { dispatch, select, subscribe } from "@wordpress/data";
/* Internal dependencies */
import { NAMESPACE } from "./index";
/**
* Invalidate a list of terms for the given taxonomy, forcing the selector to query the terms again.
*
* @param {string} taxonomy Taxonomy slug.
*
* @returns {void}
*/
export function invalidateTerms( taxonomy ) {
dispatch( "core/data" ).invalidateResolution(
NAMESPACE,
"getTerms",
[ taxonomy ]
);
}
/**
* Takes a WordPress selector and returns a promise. The promise will return
* the value of the selector as soon as it become not null.
*
* @param {string} namespace The selector's namespace.
* @param {string} selectorName The selector's name.
*
* @returns {function} The promisified selector.
*/
export function promisifySelector( namespace, selectorName ) {
const selector = select( namespace )[ selectorName ];
return ( ...args ) => {
return new Promise( resolve => {
let value = selector( ...args );
if ( value ) {
return resolve( value );
}
const unsubscribe = subscribe( () => {
value = selector( ...args );
if ( ! value ) {
return;
}
unsubscribe();
return resolve( value );
} );
} );
};
}