+const listeners = {};
+const stack = [];
+
/**
- * Simple global events manager
+ * Emit a custom event for any handlers to pick-up.
+ * @param {String} eventName
+ * @param {*} eventData
*/
-class Events {
- constructor() {
- this.listeners = {};
- this.stack = [];
- }
+export function emit(eventName, eventData) {
+ stack.push({name: eventName, data: eventData});
- /**
- * Emit a custom event for any handlers to pick-up.
- * @param {String} eventName
- * @param {*} eventData
- * @returns {Events}
- */
- emit(eventName, eventData) {
- this.stack.push({name: eventName, data: eventData});
- if (typeof this.listeners[eventName] === 'undefined') return this;
- let eventsToStart = this.listeners[eventName];
- for (let i = 0; i < eventsToStart.length; i++) {
- let event = eventsToStart[i];
- event(eventData);
- }
- return this;
+ const listenersToRun = listeners[eventName] || [];
+ for (const listener of listenersToRun) {
+ listener(eventData);
}
+}
- /**
- * Listen to a custom event and run the given callback when that event occurs.
- * @param {String} eventName
- * @param {Function} callback
- * @returns {Events}
- */
- listen(eventName, callback) {
- if (typeof this.listeners[eventName] === 'undefined') this.listeners[eventName] = [];
- this.listeners[eventName].push(callback);
- return this;
- }
+/**
+ * Listen to a custom event and run the given callback when that event occurs.
+ * @param {String} eventName
+ * @param {Function} callback
+ * @returns {Events}
+ */
+export function listen(eventName, callback) {
+ if (typeof listeners[eventName] === 'undefined') listeners[eventName] = [];
+ listeners[eventName].push(callback);
+}
- /**
- * Emit an event for public use.
- * Sends the event via the native DOM event handling system.
- * @param {Element} targetElement
- * @param {String} eventName
- * @param {Object} eventData
- */
- emitPublic(targetElement, eventName, eventData) {
- const event = new CustomEvent(eventName, {
- detail: eventData,
- bubbles: true
- });
- targetElement.dispatchEvent(event);
+/**
+ * Emit an event for public use.
+ * Sends the event via the native DOM event handling system.
+ * @param {Element} targetElement
+ * @param {String} eventName
+ * @param {Object} eventData
+ */
+export function emitPublic(targetElement, eventName, eventData) {
+ const event = new CustomEvent(eventName, {
+ detail: eventData,
+ bubbles: true,
+ });
+ targetElement.dispatchEvent(event);
+}
+
+/**
+ * Emit a success event with the provided message.
+ * @param {String} message
+ */
+export function success(message) {
+ emit('success', message);
+}
+
+/**
+ * Emit an error event with the provided message.
+ * @param {String} message
+ */
+export function error(message) {
+ emit('error', message);
+}
+
+/**
+ * Notify of standard server-provided validation errors.
+ * @param {Object} responseErr
+ */
+export function showValidationErrors(responseErr) {
+ if (!responseErr.status) return;
+ if (responseErr.status === 422 && responseErr.data) {
+ const message = Object.values(responseErr.data).flat().join('\n');
+ error(message);
}
}
-export default Events;
\ No newline at end of file
+/**
+ * Notify standard server-provided error messages.
+ * @param {Object} responseErr
+ */
+export function showResponseError(responseErr) {
+ if (!responseErr.status) return;
+ if (responseErr.status >= 400 && responseErr.data && responseErr.data.message) {
+ error(responseErr.data.message);
+ }
+}