/** * Public API bridge. * * Initializes the shared event emitter and internal helpers used by the * documented runtime API before the editor lifecycle modules run. * * Exposes: * SFE.PublicApi * SFE.PublicApiBridge */ (function() { 'use strict'; window.MWP = window.MWP || {}; window.MWP.SFE = window.MWP.SFE || {}; const SFE = window.MWP.SFE; const PublicApi = SFE.PublicApi || {}; const eventListeners = new Map(); const stagedBlockStates = new Map(); /** * Create a plain-data clone for event payloads and snapshots. * * @param {*} value Source value. * @returns {*} Cloned value when possible. */ function clonePlainData(value) { if (value === null || typeof value === 'undefined') { return value; } try { return JSON.parse(JSON.stringify(value)); } catch (error) { if (Array.isArray(value)) { return value.slice(); } if (typeof value === 'object') { return Object.assign({}, value); } return value; } } /** * Resolve the current editor snapshot builder when available. * * @param {Object|null} editorState Active editor state. * @returns {Object|null} Stable editor snapshot. */ function buildEditorSnapshot(editorState) { if (typeof PublicApi._buildEditorSnapshot === 'function') { return PublicApi._buildEditorSnapshot(editorState); } return null; } /** * Invoke one event handler safely. * * @param {Function} handler Registered listener. * @param {Object} payload Event payload. * @returns {void} */ function callHandler(handler, payload) { try { handler(payload); } catch (error) { console.error('FrontEdit: PublicApi event handler failed', error); } } /** * Emit one public runtime event. * * @param {string} eventName Event name. * @param {Object} payload Event payload. * @returns {void} */ function emitEvent(eventName, payload) { const listeners = eventListeners.get(eventName); if (!listeners || !listeners.size) { return; } const snapshot = clonePlainData(payload); listeners.forEach(handler => callHandler(handler, snapshot)); } /** * Register one runtime event listener. * * @param {string} eventName Event name. * @param {Function} handler Event handler. * @returns {Function} Unsubscribe callback. */ function on(eventName, handler) { const normalizedEventName = String(eventName || '').trim(); if (!normalizedEventName || typeof handler !== 'function') { return function noop() {}; } if (!eventListeners.has(normalizedEventName)) { eventListeners.set(normalizedEventName, new Set()); } eventListeners.get(normalizedEventName).add(handler); return function unsubscribe() { off(normalizedEventName, handler); }; } /** * Remove one runtime event listener. * * @param {string} eventName Event name. * @param {Function} handler Event handler. * @returns {void} */ function off(eventName, handler) { const normalizedEventName = String(eventName || '').trim(); if (!normalizedEventName || typeof handler !== 'function') { return; } const listeners = eventListeners.get(normalizedEventName); if (!listeners) { return; } listeners.delete(handler); if (!listeners.size) { eventListeners.delete(normalizedEventName); } } /** * Emit one editor lifecycle event using the current snapshot builder. * * @param {string} eventName Event name. * @param {Object|null} editorState Editor session state. * @param {Object} metadata Additional event metadata. * @returns {void} */ function emitEditorEvent(eventName, editorState, metadata = {}) { const editor = buildEditorSnapshot(editorState); if (!editor) { return; } emitEvent(eventName, Object.assign({}, metadata, { editor })); } /** * Emit one save lifecycle event using the current snapshot builder. * * @param {string} eventName Event name. * @param {Object|null} editorState Editor session state. * @param {Object} metadata Additional event metadata. * @returns {void} */ function emitSaveEvent(eventName, editorState, metadata = {}) { const editor = buildEditorSnapshot(editorState); if (!editor) { return; } emitEvent(eventName, Object.assign({}, metadata, { editor })); } PublicApi.on = on; PublicApi.off = off; SFE.PublicApi = PublicApi; SFE.PublicApiBridge = { clonePlainData, emitEvent, emitEditorEvent, emitSaveEvent, stagedBlockStates, }; })(); Just a cool blog post with Images - Kim Sang Gon - Photographer

Just a cool blog post with Images

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