data: Add types to redux-store/metadata/selectors

packages/data/src/redux-store/metadata/reducer.ts

@@ -21,7 +21,7 @@ type Action =
 			typeof import('./actions').invalidateResolutionForStoreSelector
 	  >;
 
-type State = EquivalentKeyMap< unknown[] | unknown, boolean >;
+export type State = EquivalentKeyMap< unknown[] | unknown, boolean >;
 
 /**
  * Reducer function returning next state for selector resolution of

packages/data/src/redux-store/metadata/selectors.js

@@ -3,22 +3,24 @@
  */
 import { get } from 'lodash';
 
+/** @typedef {Record<string, import('./reducer').State>} State */
+
 /**
  * Returns the raw `isResolving` value for a given selector name,
  * and arguments set. May be undefined if the selector has never been resolved
  * or not resolved for the given set of arguments, otherwise true or false for
  * resolution started and completed respectively.
  *
- * @param {Object} state        Data state.
- * @param {string} selectorName Selector name.
- * @param {Array}  args         Arguments passed to selector.
+ * @param {State}     state        Data state.
+ * @param {string}    selectorName Selector name.
+ * @param {unknown[]} args         Arguments passed to selector.
  *
- * @return {?boolean} isResolving value.
+ * @return {boolean | undefined} isResolving value.
  */
 export function getIsResolving( state, selectorName, args ) {
 	const map = get( state, [ selectorName ] );
 	if ( ! map ) {
-		return;
+		return undefined;
 	}
 
 	return map.get( args );
@@ -28,9 +30,9 @@ export function getIsResolving( state, selectorName, args ) {
  * Returns true if resolution has already been triggered for a given
  * selector name, and arguments set.
  *
- * @param {Object} state        Data state.
- * @param {string} selectorName Selector name.
- * @param {?Array} args         Arguments passed to selector (default `[]`).
+ * @param {State}     state        Data state.
+ * @param {string}    selectorName Selector name.
+ * @param {unknown[]} [args]       Arguments passed to selector (default `[]`).
  *
  * @return {boolean} Whether resolution has been triggered.
  */
@@ -42,9 +44,9 @@ export function hasStartedResolution( state, selectorName, args = [] ) {
  * Returns true if resolution has completed for a given selector
  * name, and arguments set.
  *
- * @param {Object} state        Data state.
- * @param {string} selectorName Selector name.
- * @param {?Array} args         Arguments passed to selector.
+ * @param {State}     state        Data state.
+ * @param {string}    selectorName Selector name.
+ * @param {unknown[]} [args]       Arguments passed to selector.
  *
  * @return {boolean} Whether resolution has completed.
  */
@@ -56,9 +58,9 @@ export function hasFinishedResolution( state, selectorName, args = [] ) {
  * Returns true if resolution has been triggered but has not yet completed for
  * a given selector name, and arguments set.
  *
- * @param {Object} state        Data state.
- * @param {string} selectorName Selector name.
- * @param {?Array} args         Arguments passed to selector.
+ * @param {State}     state        Data state.
+ * @param {string}    selectorName Selector name.
+ * @param {unknown[]} [args]       Arguments passed to selector.
  *
  * @return {boolean} Whether resolution is in progress.
  */
@@ -69,9 +71,9 @@ export function isResolving( state, selectorName, args = [] ) {
 /**
  * Returns the list of the cached resolvers.
  *
- * @param {Object} state Data state.
+ * @param {State} state Data state.
  *
- * @return {Object} Resolvers mapped by args and selectorName.
+ * @return {State} Resolvers mapped by args and selectorName.
  */
 export function getCachedResolvers( state ) {
 	return state;

packages/data/tsconfig.json

@@ -15,9 +15,6 @@
 		// { "path": "../redux-routine" }
 	],
 	"include": [
-		"src/redux-store/metadata/actions.js",
-		"src/redux-store/metadata/equivalent-key-map.d.ts",
-		"src/redux-store/metadata/reducer.ts",
-		"src/redux-store/metadata/utils.js"
+		"src/redux-store/metadata/**/*",
 	]
 }