82 lines
2.0 KiB
JavaScript
82 lines
2.0 KiB
JavaScript
const listeners = {};
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const stack = [];
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/**
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* Emit a custom event for any handlers to pick-up.
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* @param {String} eventName
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* @param {*} eventData
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*/
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export function emit(eventName, eventData) {
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stack.push({name: eventName, data: eventData});
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const listenersToRun = listeners[eventName] || [];
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for (const listener of listenersToRun) {
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listener(eventData);
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}
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}
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/**
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* Listen to a custom event and run the given callback when that event occurs.
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* @param {String} eventName
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* @param {Function} callback
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* @returns {Events}
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*/
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export function listen(eventName, callback) {
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if (typeof listeners[eventName] === 'undefined') listeners[eventName] = [];
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listeners[eventName].push(callback);
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}
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/**
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* Emit an event for public use.
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* Sends the event via the native DOM event handling system.
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* @param {Element} targetElement
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* @param {String} eventName
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* @param {Object} eventData
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*/
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export function emitPublic(targetElement, eventName, eventData) {
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const event = new CustomEvent(eventName, {
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detail: eventData,
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bubbles: true,
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});
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targetElement.dispatchEvent(event);
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}
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/**
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* Emit a success event with the provided message.
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* @param {String} message
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*/
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export function success(message) {
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emit('success', message);
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}
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/**
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* Emit an error event with the provided message.
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* @param {String} message
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*/
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export function error(message) {
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emit('error', message);
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}
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/**
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* Notify of standard server-provided validation errors.
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* @param {Object} responseErr
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*/
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export function showValidationErrors(responseErr) {
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if (!responseErr.status) return;
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if (responseErr.status === 422 && responseErr.data) {
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const message = Object.values(responseErr.data).flat().join('\n');
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error(message);
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}
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}
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/**
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* Notify standard server-provided error messages.
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* @param {Object} responseErr
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*/
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export function showResponseError(responseErr) {
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if (!responseErr.status) return;
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if (responseErr.status >= 400 && responseErr.data && responseErr.data.message) {
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error(responseErr.data.message);
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}
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}
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