initial commit

packages/woocommerce-blocks/assets/js/data/utils/has-in-state.js

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+/**
+ * External dependencies
+ */
+import { has } from 'lodash';
+
+/**
+ * Utility for returning whether the given path exists in the state.
+ *
+ * @param {Object} state The state being checked
+ * @param {Array}  path  The path to check
+ *
+ * @return {boolean} True means this exists in the state.
+ */
+export default function hasInState( state, path ) {
+	return has( state, path );
+}

packages/woocommerce-blocks/assets/js/data/utils/index.js

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+export { default as hasInState } from './has-in-state';
+export { default as updateState } from './update-state';

packages/woocommerce-blocks/assets/js/data/utils/update-state.js

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+/**
+ * External dependencies
+ */
+import { setWith, clone } from 'lodash';
+
+/**
+ * Utility for updating state and only cloning objects in the path that changed.
+ *
+ * @param {Object} state The state being updated
+ * @param {Array}  path  The path being updated
+ * @param {*}      value The value to update for the path
+ *
+ * @return {Object} The new state
+ */
+export default function updateState( state, path, value ) {
+	return setWith( clone( state ), path, value, clone );
+}