(()=>{let l=window.srfmPreviewStyling?.containerId;if(l&&/^[a-zA-Z0-9_-]+$/.test(l)){let f=document.querySelector("."+l);if(f){let a=f.className,d=document.createElement("style"),t=(d.id="srfm-preview-override-style",f.appendChild(d),0);function r(){var r=f.offsetHeight;if(r&&!(Math.abs(r-t)<4)){let o={type:"srfm-preview-height",height:t=r};[window.parent,window.top].forEach(function(r){r&&r!==window&&r.postMessage(o,"*")})}}window.parent!==window&&(r(),window.addEventListener("load",r),window.addEventListener("resize",r)),window.addEventListener("message",function(r){if(r.origin===window.location.origin&&r.data)if("srfm-reset-styling"===r.data.type)d.textContent="",f.className=a,(o=f.querySelector(".srfm-submit-container .wp-block-button"))&&(o.removeAttribute("style"),o=o.querySelector("button"))&&o.removeAttribute("style");else if("srfm-update-styling"===r.data.type){var o=r.data.styling;if(o){var t={},r=(o.primaryColor&&(r="hsl(from "+o.primaryColor+" h s l / ",t["--srfm-color-scheme-primary"]=o.primaryColor,t["--srfm-quill-editor-color"]=o.primaryColor,t["--srfm-color-input-border-hover"]=r+"0.65)",t["--srfm-color-input-border-focus-glow"]=r+"0.15)",t["--srfm-color-input-selected"]=r+"0.1)",t["--srfm-btn-color-hover"]=r+"0.9)",t["--srfm-btn-color-disabled"]=r+"0.25)"),o.textColor&&(r="hsl(from "+o.textColor+" h s l / ",t["--srfm-color-scheme-text"]=o.textColor,t["--srfm-color-input-label"]=o.textColor,t["--srfm-color-input-text"]=o.textColor,t["--srfm-color-input-description"]=r+"0.65)",t["--srfm-color-input-placeholder"]=r+"0.5)",t["--srfm-color-input-prefix"]=r+"0.65)",t["--srfm-color-input-background"]=r+"0.02)",t["--srfm-color-input-background-hover"]=r+"0.05)",t["--srfm-color-input-background-disabled"]=r+"0.07)",t["--srfm-color-input-border"]=r+"0.25)",t["--srfm-color-input-border-disabled"]=r+"0.15)",t["--srfm-color-multi-choice-svg"]=r+"0.7)"),o.textOnPrimaryColor&&(t["--srfm-color-scheme-text-on-primary"]=o.textOnPrimaryColor),o.formPaddingUnit||"px"),e=o.formBorderRadiusUnit||"px";if(void 0!==o.formPaddingTop&&(t["--srfm-form-padding-top"]=o.formPaddingTop+r),void 0!==o.formPaddingRight&&(t["--srfm-form-padding-right"]=o.formPaddingRight+r),void 0!==o.formPaddingBottom&&(t["--srfm-form-padding-bottom"]=o.formPaddingBottom+r),void 0!==o.formPaddingLeft&&(t["--srfm-form-padding-left"]=o.formPaddingLeft+r),void 0!==o.formBorderRadiusTop&&(t["--srfm-form-border-radius-top"]=o.formBorderRadiusTop+e),void 0!==o.formBorderRadiusRight&&(t["--srfm-form-border-radius-right"]=o.formBorderRadiusRight+e),void 0!==o.formBorderRadiusBottom&&(t["--srfm-form-border-radius-bottom"]=o.formBorderRadiusBottom+e),void 0!==o.formBorderRadiusLeft&&(t["--srfm-form-border-radius-left"]=o.formBorderRadiusLeft+e),f.classList.remove("srfm-bg-color","srfm-bg-gradient","srfm-bg-image"),"color"===o.bgType?(f.classList.add("srfm-bg-color"),o.bgColor&&(t["--srfm-bg-color"]=o.bgColor)):"gradient"===o.bgType?(f.classList.add("srfm-bg-gradient"),o.bgGradient&&(t["--srfm-bg-gradient"]=o.bgGradient)):"image"===o.bgType&&(f.classList.add("srfm-bg-image"),o.bgImage&&((r=o.bgImage.replace(/"/g,"")).startsWith("https://")||r.startsWith("http://"))&&(t["--srfm-bg-image"]='url("'+r+'")'),o.bgImagePosition&&(e=100*(o.bgImagePosition.x??.5),r=100*(o.bgImagePosition.y??.5),t["--srfm-bg-position"]=e+"% "+r+"%"),o.bgImageSize&&(t["--srfm-bg-size"]=o.bgImageSize),o.bgImageRepeat&&(t["--srfm-bg-repeat"]=o.bgImageRepeat),o.bgImageAttachment)&&(t["--srfm-bg-attachment"]=o.bgImageAttachment),o.fieldSpacing){var e=window.srfmPreviewStyling?.fieldSpacingVars;if(e){var i,r=e.small||{},e=e[o.fieldSpacing]||{},s=Object.assign({},r,e);for(i in s)i.startsWith("--")&&(t[i]=s[i])}}{var n=t;let r="."+l+" {\n";for(var m in n)null!=n[m]&&(r+="\t"+m+": "+n[m]+";\n");r+="}\n",d.textContent=r}o.buttonAlignment&&(r=f.querySelector(".srfm-submit-container .wp-block-button"))&&(r.style.textAlign="justify"===o.buttonAlignment?"center":o.buttonAlignment,e=r.querySelector("button"))&&(e.style.width="justify"===o.buttonAlignment?"100%":"");r=new CustomEvent("srfm-preview-styling-update",{detail:{styling:o,container:f}});document.dispatchEvent(r)}}})}}})();/** * List block tracker for UUID-aware list editing and serialization. * * Dependencies: wp.blocks, SFE.ElementPrep * Exposes: SFE.ListBlockTracker */ (function() { 'use strict'; window.MWP = window.MWP || {}; window.MWP.SFE = window.MWP.SFE || {}; const SFE = window.MWP.SFE; SFE.ManagerData = SFE.ManagerData || {}; const { createBlock, serialize: serializeBlocks } = window.wp?.blocks || {}; const UUID_ATTR_KEYS = ['mwpSfeUuid', 'mwpSfeUuidShadow']; const LIST_ITEM_TEXT_ATTR = 'data-mwp-sfe-list-item-text'; const LIST_ITEM_TEXT_CLASS = 'mwp-sfe-list-item-text'; const PLACEHOLDER_ATTR = 'data-rich-text-placeholder'; const LIST_ID_ATTR = 'data-list-id'; const LIST_ITEM_ID_ATTR = 'data-item-id'; const LIST_RUNTIME_UUID_ATTR = 'data-mwp-sfe-list-runtime-uuid'; const LIST_ITEM_RUNTIME_UUID_ATTR = 'data-mwp-sfe-list-item-runtime-uuid'; /** * Return whether one node is a nested list element. * * @param {Node|null} node Candidate DOM node. * @returns {boolean} True when the node is a nested list. */ function isNestedListNode(node) { return !!( node && node.nodeType === Node.ELEMENT_NODE && (node.tagName === 'UL' || node.tagName === 'OL') ); } /** * Return whether one node is ignorable formatting whitespace between list * structures. * * Pretty-printed block markup often leaves direct `\n` text nodes between a * list item's own text and its nested child list. Those nodes should not be * moved into the direct text surface because they become visible editing * artifacts once wrapped. * * @param {Node|null} node Candidate DOM node. * @returns {boolean} True when the node is ignorable whitespace. */ function isIgnorableListWhitespaceNode(node) { return !!( node && node.nodeType === Node.TEXT_NODE && String(node.textContent || '') .replace(/\uFEFF/g, '') .replace(/\u00A0/g, ' ') .trim() .length === 0 ); } /** * Return the direct inline text surface for one list item. * * @param {HTMLLIElement|null} liElement Candidate list item. * @returns {HTMLElement|null} Existing direct text surface, if any. */ function getDirectItemTextSurface(liElement) { if (!liElement || liElement.nodeType !== Node.ELEMENT_NODE || liElement.tagName !== 'LI') { return null; } return Array.from(liElement.children || []).find(child => ( child && child.nodeType === Node.ELEMENT_NODE && child.getAttribute(LIST_ITEM_TEXT_ATTR) === '1' )) || null; } /** * Return the DOM attribute name that stores one session-scoped runtime UUID. * * Runtime UUIDs are distinct from the existing serialization/attr UUIDs. They * exist only while the editor session is open so external callers can point at * the current live list cursor/target without having to manage shifting paths. * * @param {string} type Supported runtime identity type. * @returns {string} Attribute name, or an empty string for invalid types. */ function getRuntimeUuidAttributeName(type) { if (type === 'list') { return LIST_RUNTIME_UUID_ATTR; } if (type === 'item') { return LIST_ITEM_RUNTIME_UUID_ATTR; } return ''; } /** * Normalize one runtime UUID candidate. * * @param {*} value Candidate runtime UUID. * @returns {string} Trimmed runtime UUID, or an empty string. */ function normalizeRuntimeUuid(value) { return String(value || '').trim(); } /** * Return whether one element matches the requested runtime-identity type. * * @param {Element|null} element Candidate DOM element. * @param {string} type Supported runtime identity type. * @returns {boolean} True when the element matches the type. */ function isRuntimeIdentityElement(element, type) { if (!element || element.nodeType !== Node.ELEMENT_NODE) { return false; } if (type === 'list') { return element.tagName === 'UL' || element.tagName === 'OL'; } if (type === 'item') { return element.tagName === 'LI'; } return false; } /** * Return one tracked element by runtime UUID from the live DOM. * * This intentionally queries the current DOM first instead of trusting only a * cached map so history restores and other structural replacements can keep * runtime UUID resolution stable as long as the attributes remain present. * * @param {Object|null} tracker Active list tracker. * @param {string} runtimeUuid Session-scoped runtime UUID. * @param {string} type Supported runtime identity type. * @returns {Element|null} Matching live DOM element. */ function findElementByRuntimeUuid(tracker, runtimeUuid, type) { const normalizedRuntimeUuid = normalizeRuntimeUuid(runtimeUuid); const attrName = getRuntimeUuidAttributeName(type); if ( !tracker?.listElement || !normalizedRuntimeUuid || !attrName || !isRuntimeIdentityElement(tracker.listElement, 'list') ) { return null; } if ( type === 'list' && tracker.listElement.getAttribute(attrName) === normalizedRuntimeUuid ) { return tracker.listElement; } try { const selector = `[${attrName}="${CSS.escape(normalizedRuntimeUuid)}"]`; return tracker.listElement.querySelector(selector); } catch (error) { const escapedUuid = normalizedRuntimeUuid.replace(/"/g, '\\"'); return tracker.listElement.querySelector(`[${attrName}="${escapedUuid}"]`); } } /** * Return every direct text surface currently attached to one list item. * * Merge/delete flows can temporarily move multiple direct text surfaces into * the same list item. The shared list normalizer must collapse them back to * one canonical surface before placeholder syncing or serialization. * * @param {HTMLLIElement|null} liElement Candidate list item. * @returns {HTMLElement[]} Direct text surfaces in DOM order. */ function getAllDirectItemTextSurfaces(liElement) { if (!liElement || liElement.nodeType !== Node.ELEMENT_NODE || liElement.tagName !== 'LI') { return []; } return Array.from(liElement.children || []).filter(child => ( child && child.nodeType === Node.ELEMENT_NODE && child.getAttribute(LIST_ITEM_TEXT_ATTR) === '1' )); } /** * Return whether one node is only placeholder/caret scaffolding. * * Duplicate direct text surfaces may carry empty placeholder anchors or * caret `
` nodes. Those artifacts should be dropped when collapsing * duplicate surfaces instead of being concatenated into visible stacks. * * @param {Node|null} node Candidate DOM node. * @returns {boolean} True when the node is redundant placeholder UI. */ function isRedundantSurfaceArtifact(node) { if (!node) { return true; } if (isIgnorableListWhitespaceNode(node)) { return true; } if (node.nodeType === Node.TEXT_NODE) { return String(node.textContent || '') .replace(/\uFEFF/g, '') .replace(/\u00A0/g, ' ') .trim() .length === 0; } if (node.nodeType !== Node.ELEMENT_NODE) { return false; } if (node.tagName === 'BR') { return true; } return !!node.hasAttribute?.(PLACEHOLDER_ATTR); } /** * Ensure one list item owns one direct inline text surface. * * The root list remains the single live editor host, but this wrapper gives * schema/ABE flows one stable DOM surface per list item's own text content. * * @param {HTMLLIElement|null} liElement Candidate list item. * @returns {HTMLElement|null} Ensured direct text surface. */ function ensureDirectItemTextSurface(liElement) { if (!liElement || liElement.nodeType !== Node.ELEMENT_NODE || liElement.tagName !== 'LI') { return null; } let surface = getDirectItemTextSurface(liElement); if (!surface) { surface = document.createElement('span'); surface.setAttribute(LIST_ITEM_TEXT_ATTR, '1'); surface.classList.add(LIST_ITEM_TEXT_CLASS); liElement.insertBefore( surface, Array.from(liElement.childNodes || []).find(isNestedListNode) || null ); } getAllDirectItemTextSurfaces(liElement) .filter(candidate => candidate && candidate !== surface) .forEach(duplicateSurface => { Array.from(duplicateSurface.childNodes || []).forEach(node => { if (isRedundantSurfaceArtifact(node)) { node.remove(); return; } surface.appendChild(node); }); duplicateSurface.remove(); }); const childNodes = Array.from(liElement.childNodes || []); childNodes.forEach(node => { if ( node && node !== surface && !isNestedListNode(node) && isIgnorableListWhitespaceNode(node) ) { node.remove(); } }); const movableNodes = childNodes.filter(node => { if (!node || node === surface || isNestedListNode(node)) { return false; } if (isIgnorableListWhitespaceNode(node)) { return false; } return !( node.nodeType === Node.ELEMENT_NODE && node.getAttribute?.(LIST_ITEM_TEXT_ATTR) === '1' ); }); movableNodes.forEach(node => surface.appendChild(node)); return surface; } /** * Clone list attrs while optionally stripping plugin UUID ownership. * * The outermost core/list is the only persisted UUID owner for an entire * list tree. Nested core/list blocks are structural children of that root. * If we preserve a nested list UUID here, one accidental assignment can be * re-serialized forever and split a single logical list into multiple * history/edit targets. Keep this guard unless the ownership model changes * everywhere else in PHP and JS at the same time. * * @param {Object} attrs Parsed Gutenberg attrs. * @param {boolean} allowUuidOwnership True for the root list only. * @returns {Object} Safe cloned attrs. */ function cloneListAttrs(attrs, allowUuidOwnership = true) { const clonedAttrs = JSON.parse(JSON.stringify(attrs || {})); if (allowUuidOwnership) { return clonedAttrs; } UUID_ATTR_KEYS.forEach(key => delete clonedAttrs[key]); return clonedAttrs; } /** * Return the direct list-item children for one list element. * * @param {HTMLElement|null} listElement Candidate list element. * @returns {HTMLLIElement[]} Direct child list items. */ function getDirectListItems(listElement) { if (!listElement || listElement.nodeType !== Node.ELEMENT_NODE) { return []; } return Array.from(listElement.children || []).filter(child => child.tagName === 'LI'); } /** * Normalize one path-like value into zero-based list indexes. * * Supported inputs: * - `0_1_2` * - `1.2.3` * - arrays of integers * * @param {string|Array|null} pathValue Candidate path value. * @returns {number[]|null} Parsed zero-based indexes. */ function normalizePathIndexes(pathValue) { if (Array.isArray(pathValue)) { const indexes = pathValue.map(value => Number.parseInt(value, 10)); return indexes.every(Number.isInteger) && indexes.every(index => index >= 0) ? indexes : null; } const raw = typeof pathValue === 'string' ? pathValue.trim() : ''; if (!raw) { return []; } const separator = raw.includes('.') ? '.' : '_'; const parts = raw.split(separator).filter(Boolean); if (!parts.length) { return []; } const indexes = parts.map(part => Number.parseInt(part, 10)); if (!indexes.every(Number.isInteger)) { return null; } if (separator === '.') { return indexes.every(index => index > 0) ? indexes.map(index => index - 1) : null; } return indexes.every(index => index >= 0) ? indexes : null; } /** * Convert one zero-based path index list into public path metadata. * * @param {number[]} indexes Zero-based indexes. * @returns {{path: string, pathLabel: string, depth: number}} Path metadata. */ function buildPathMeta(indexes) { const safeIndexes = Array.isArray(indexes) ? indexes.filter(Number.isInteger) : []; return { path: safeIndexes.join('_'), pathLabel: safeIndexes.map(index => index + 1).join('.'), depth: Math.max(0, safeIndexes.length - 1), }; } /** * Return the direct child list element for one list item. * * @param {HTMLLIElement|null} listItem Candidate list item. * @returns {HTMLElement|null} Direct nested list, if present. */ function getDirectChildList(listItem) { if (!listItem || listItem.nodeType !== Node.ELEMENT_NODE || listItem.tagName !== 'LI') { return null; } return Array.from(listItem.children || []).find(child => ( child.tagName === 'UL' || child.tagName === 'OL' )) || null; } /** * Return the preferred nested list tag for one list item. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Parent list item. * @returns {string} `UL` or `OL`. */ function getPreferredChildListTagName(tracker, listItem) { const directChildList = getDirectChildList(listItem); if (directChildList) { return directChildList.tagName; } const parentList = listItem?.parentElement; if (parentList && (parentList.tagName === 'UL' || parentList.tagName === 'OL')) { return parentList.tagName; } return tracker?.listElement?.tagName === 'OL' ? 'OL' : 'UL'; } /** * Return one direct child list for a list item, creating it only when needed. * * Outdent can promote one item and then re-home its trailing siblings beneath * that promoted item. When the promoted item already owns a child list, those * siblings must be appended into the existing list so the DOM mirrors native * editor behavior instead of creating duplicate sibling list wrappers. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Parent list item. * @param {string} preferredTagName Fallback list tag name. * @returns {HTMLElement|null} Direct child list element. */ function ensureDirectChildList(tracker, listItem, preferredTagName = '') { if (!listItem || listItem.nodeType !== Node.ELEMENT_NODE || listItem.tagName !== 'LI') { return null; } let childList = getDirectChildList(listItem); if (childList) { return childList; } childList = document.createElement( preferredTagName || getPreferredChildListTagName(tracker, listItem) ); childList.classList.add('wp-block-list'); listItem.appendChild(childList); return childList; } /** * Remove empty nested list wrappers up the ancestry chain. * * The root list element is never removed, even when it becomes empty. * * @param {Object|null} tracker Active list tracker. * @param {HTMLElement|null} startList First candidate nested list. * @returns {void} */ function cleanupEmptyAncestorLists(tracker, startList) { let currentList = startList; while ( currentList && currentList !== tracker?.listElement && currentList.nodeType === Node.ELEMENT_NODE && (currentList.tagName === 'UL' || currentList.tagName === 'OL') && !getDirectListItems(currentList).length ) { const parentItem = currentList.parentElement?.tagName === 'LI' ? currentList.parentElement : null; currentList.remove(); currentList = parentItem ? parentItem.parentElement : null; } } /** * Build one new list item element from a structural operation payload. * * @param {Object|null} operation Candidate operation payload. * @returns {HTMLLIElement} New list item element. */ function buildListItemFromOperation(operation) { const li = document.createElement('li'); const directSurface = ensureDirectItemTextSurface(li); const runtimeUuid = normalizeRuntimeUuid( operation?.itemUuid ?? operation?.newItemUuid ); const html = typeof operation?.contentHtml === 'string' ? operation.contentHtml : (typeof operation?.html === 'string' ? operation.html : ''); const text = typeof operation?.contentText === 'string' ? operation.contentText : (typeof operation?.text === 'string' ? operation.text : ''); if (html) { directSurface.innerHTML = html; } else if (text) { directSurface.textContent = text; } if (runtimeUuid) { li.setAttribute(LIST_ITEM_RUNTIME_UUID_ATTR, runtimeUuid); } return li; } /** * Copy one donor item's structural/style attributes onto the destination list * item while preserving the destination runtime UUID. * * Native Enter list splitting happens inside the browser's contenteditable * engine, so the new sibling inherits the source `li` element's attributes * such as class and style automatically. API-driven insert/move operations * should mirror that behavior by cloning the donor item's `li` attributes, * except for the session-scoped runtime UUID which must stay unique. * * @param {HTMLLIElement|null} listItem Destination list item. * @param {HTMLLIElement|null} donorItem Style/structure donor item. * @returns {void} */ function copyDonorItemAttributes(listItem, donorItem) { if ( !listItem || listItem.nodeType !== Node.ELEMENT_NODE || listItem.tagName !== 'LI' || !donorItem || donorItem.nodeType !== Node.ELEMENT_NODE || donorItem.tagName !== 'LI' ) { return; } const destinationRuntimeUuid = normalizeRuntimeUuid( listItem.getAttribute(LIST_ITEM_RUNTIME_UUID_ATTR) ); Array.from(listItem.attributes || []).forEach(attr => { if (attr?.name === LIST_ITEM_RUNTIME_UUID_ATTR) { return; } listItem.removeAttribute(attr.name); }); Array.from(donorItem.attributes || []).forEach(attr => { if (attr?.name === LIST_ITEM_RUNTIME_UUID_ATTR) { return; } listItem.setAttribute(attr.name, attr.value); }); if (destinationRuntimeUuid) { listItem.setAttribute(LIST_ITEM_RUNTIME_UUID_ATTR, destinationRuntimeUuid); } } /** * Reassign one list item's structural ID from its destination styling * context. * * When an explicit target item is known, its structural `data-item-id` * becomes the style donor for insert-before, insert-after, move-before, and * move-after commands. This keeps the inheritance rule simple and matches the * public API's explicit `targetItemUuid` model. * * For internal list-path insert/move cases that do not resolve through one * target item, fall back to the local destination neighbors. If there is no * neighboring item at all, clear the structural ID so the next tracker rebuild * seeds a fresh item identity instead of accidentally preserving source attrs. * * @param {HTMLLIElement|null} listItem Destination list item. * @param {HTMLLIElement|null} targetItem Explicit style donor item. * @returns {string} Applied structural ID or an empty string. */ function inheritDestinationItemId(listItem, targetItem = null) { if (!listItem || listItem.nodeType !== Node.ELEMENT_NODE || listItem.tagName !== 'LI') { return ''; } const explicitTargetItem = targetItem && targetItem.nodeType === Node.ELEMENT_NODE && targetItem.tagName === 'LI' ? targetItem : null; const previousItem = listItem.previousElementSibling?.tagName === 'LI' ? listItem.previousElementSibling : null; const nextItem = listItem.nextElementSibling?.tagName === 'LI' ? listItem.nextElementSibling : null; const inheritedId = normalizeRuntimeUuid( explicitTargetItem?.getAttribute(LIST_ITEM_ID_ATTR) || previousItem?.getAttribute(LIST_ITEM_ID_ATTR) || nextItem?.getAttribute(LIST_ITEM_ID_ATTR) ); if (inheritedId) { listItem.setAttribute(LIST_ITEM_ID_ATTR, inheritedId); return inheritedId; } listItem.removeAttribute(LIST_ITEM_ID_ATTR); return ''; } /** * Apply one remove-list-item operation. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Target list item. * @returns {boolean} True when the mutation applied. */ function applyRemoveListItemOperation(tracker, listItem) { if (!tracker?.listElement || !listItem) { return false; } const oldParentList = listItem.parentElement; listItem.remove(); cleanupEmptyAncestorLists(tracker, oldParentList); return true; } /** * Apply one indent-list-item operation. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Target list item. * @returns {boolean} True when the mutation applied. */ function applyIndentListItemOperation(tracker, listItem) { if (!tracker?.listElement || !listItem) { return false; } const previousItem = listItem.previousElementSibling?.tagName === 'LI' ? listItem.previousElementSibling : null; if (!previousItem) { return false; } const nestedList = ensureDirectChildList(tracker, previousItem); nestedList.appendChild(listItem); return true; } /** * Apply one outdent-list-item operation. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Target list item. * @returns {boolean} True when the mutation applied. */ function applyOutdentListItemOperation(tracker, listItem) { if (!tracker?.listElement || !listItem) { return false; } const parentList = listItem.parentElement; const parentItem = parentList?.parentElement?.tagName === 'LI' ? parentList.parentElement : null; if (!parentList || !parentItem) { return false; } const ancestorList = parentItem.parentElement; const followingSiblings = []; let next = listItem.nextElementSibling; while (next) { followingSiblings.push(next); next = next.nextElementSibling; } ancestorList.insertBefore(listItem, parentItem.nextElementSibling); if (followingSiblings.length) { const nestedList = ensureDirectChildList(tracker, listItem, parentList.tagName); followingSiblings.forEach(sibling => nestedList.appendChild(sibling)); } cleanupEmptyAncestorLists(tracker, parentList); return true; } /** * Apply one toggle-list-type operation. * * @param {Object|null} tracker Active list tracker. * @param {Object} rawOperation Structural operation payload. * @param {Object} options Apply-operation options. * @returns {boolean} True when the mutation applied. */ function applyToggleListTypeOperation(tracker, rawOperation, options = {}) { if (!tracker?.listElement) { return false; } const listPath = rawOperation.listPath ?? rawOperation.list_path ?? ''; const targetList = getListByPath(tracker, listPath); const editorHost = options?.editorHost && typeof options.editorHost.changeListType === 'function' ? options.editorHost : null; const requestedType = targetList ? ( normalizeListTypeTagName( rawOperation.value ?? rawOperation.listType ?? rawOperation.list_type ?? rawOperation.ordered ) || (targetList.tagName === 'OL' ? 'UL' : 'OL') ) : ''; if ( !targetList || !requestedType || targetList.tagName === requestedType || !editorHost ) { return false; } const nextList = editorHost.changeListType(targetList, requestedType.toLowerCase(), { saveHistory: options.saveHistory !== false, restoreCursor: options.restoreCursor !== false, }); return !!nextList; } /** * Apply one update-list-item-text operation. * * @param {HTMLLIElement} listItem Target list item. * @param {Object} rawOperation Structural operation payload. * @returns {boolean} True when the mutation applied. */ function applyUpdateListItemTextOperation(listItem, rawOperation) { if (!listItem) { return false; } const directSurface = ensureDirectItemTextSurface(listItem); const html = typeof rawOperation?.contentHtml === 'string' ? rawOperation.contentHtml : (typeof rawOperation?.html === 'string' ? rawOperation.html : ''); const text = typeof rawOperation?.contentText === 'string' ? rawOperation.contentText : (typeof rawOperation?.text === 'string' ? rawOperation.text : ''); if (!directSurface) { return false; } directSurface.innerHTML = ''; if (html) { directSurface.innerHTML = html; } else if (text) { directSurface.textContent = text; } return true; } /** * Insert one new list item relative to explicit before/after/list anchors. * * @param {Object|null} tracker Active list tracker. * @param {Object} rawOperation Structural operation payload. * @param {Object} trackerApi List tracker API surface. * @returns {boolean} True when the mutation applied. */ function applyInsertListItemOperation(tracker, rawOperation, trackerApi) { if (!tracker?.listElement || !trackerApi) { return false; } const beforePath = rawOperation.beforePath ?? rawOperation.before_path ?? ''; const afterPath = rawOperation.afterPath ?? rawOperation.after_path ?? ''; const listPath = rawOperation.listPath ?? rawOperation.list_path ?? ''; const beforeItem = trackerApi.getItemByPath(tracker, beforePath); const afterItem = trackerApi.getItemByPath(tracker, afterPath); const newListItem = buildListItemFromOperation(rawOperation); if (beforeItem?.parentElement) { beforeItem.parentElement.insertBefore(newListItem, beforeItem); copyDonorItemAttributes(newListItem, beforeItem); inheritDestinationItemId(newListItem, beforeItem); return true; } if (afterItem?.parentElement) { afterItem.parentElement.insertBefore(newListItem, afterItem.nextElementSibling); copyDonorItemAttributes(newListItem, afterItem); inheritDestinationItemId(newListItem, afterItem); return true; } const targetList = getListByPath(tracker, listPath); if (!targetList) { return false; } const position = typeof rawOperation.position === 'string' ? rawOperation.position.trim().toLowerCase() : 'append'; if (position === 'prepend' && targetList.firstElementChild) { targetList.insertBefore(newListItem, targetList.firstElementChild); } else { targetList.appendChild(newListItem); } inheritDestinationItemId(newListItem); return true; } /** * Move one existing list item relative to explicit before/after/list anchors. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Target list item. * @param {Object} rawOperation Structural operation payload. * @param {Object} trackerApi List tracker API surface. * @returns {boolean} True when the mutation applied. */ function applyMoveListItemOperation(tracker, listItem, rawOperation, trackerApi) { if (!tracker?.listElement || !listItem || !trackerApi) { return false; } const beforePath = rawOperation.beforePath ?? rawOperation.before_path ?? ''; const afterPath = rawOperation.afterPath ?? rawOperation.after_path ?? ''; const listPath = rawOperation.listPath ?? rawOperation.list_path ?? ''; const beforeItem = trackerApi.getItemByPath(tracker, beforePath); const afterItem = trackerApi.getItemByPath(tracker, afterPath); const oldParentList = listItem.parentElement; let didApply = false; if (beforeItem && beforeItem !== listItem && !listItem.contains(beforeItem)) { beforeItem.parentElement.insertBefore(listItem, beforeItem); copyDonorItemAttributes(listItem, beforeItem); inheritDestinationItemId(listItem, beforeItem); didApply = true; } else if (afterItem && afterItem !== listItem && !listItem.contains(afterItem)) { afterItem.parentElement.insertBefore(listItem, afterItem.nextElementSibling); copyDonorItemAttributes(listItem, afterItem); inheritDestinationItemId(listItem, afterItem); didApply = true; } else if (typeof listPath === 'string') { const targetList = getListByPath(tracker, listPath); const ownerItem = targetList?.parentElement?.tagName === 'LI' ? targetList.parentElement : null; if (targetList && ownerItem !== listItem && !listItem.contains(ownerItem || null)) { const position = typeof rawOperation.position === 'string' ? rawOperation.position.trim().toLowerCase() : 'append'; if (position === 'prepend' && targetList.firstElementChild) { targetList.insertBefore(listItem, targetList.firstElementChild); } else { targetList.appendChild(listItem); } inheritDestinationItemId(listItem); didApply = true; } } if (didApply) { cleanupEmptyAncestorLists(tracker, oldParentList); } return didApply; } /** * Resolve one tracked list element from a list-path payload. * * The root list lives at the empty path. Nested lists are addressed by the * tree path of the parent item that owns that child list. * * @param {Object|null} tracker Active list tracker. * @param {string|Array} pathValue Root-empty list path or parent-item path. * @returns {HTMLElement|null} Matching list element. */ function getListByPath(tracker, pathValue) { if (!tracker?.listElement) { return null; } if ( pathValue === '' || pathValue === null || typeof pathValue === 'undefined' || (Array.isArray(pathValue) && !pathValue.length) || (typeof pathValue === 'string' && !pathValue.trim()) ) { return tracker.listElement; } const parentItem = ListBlockTracker.getItemByPath(tracker, pathValue); return parentItem ? getDirectChildList(parentItem) : null; } /** * Normalize one requested list-type value to a DOM tag name. * * @param {*} value Candidate list-type value. * @returns {string} `OL`, `UL`, or an empty string. */ function normalizeListTypeTagName(value) { if (value === true) { return 'OL'; } if (value === false) { return 'UL'; } const normalized = String(value || '').trim().toLowerCase(); if (normalized === 'ordered' || normalized === 'ol' || normalized === 'true') { return 'OL'; } if (normalized === 'unordered' || normalized === 'ul' || normalized === 'false') { return 'UL'; } return ''; } const ListBlockTracker = { active: null, /** * Initialize tracker for a list element * @param {HTMLElement} listElement - The UL or OL element * @param {Object} originalBlock - The complete WordPress block structure */ init(listElement, originalBlock = {}) { if (!createBlock || !serializeBlocks) { console.error('wp.blocks not available'); } const tracker = { listElement, originalBlock: JSON.parse(JSON.stringify(originalBlock)), uuidMap: new Map(), // uuid -> {type, attrs, element} domMap: new WeakMap(), // element -> uuid runtimeUuidMap: new Map(), // runtimeUuid -> {type, element} runtimeDomMap: new WeakMap() // element -> runtimeUuid }; // Attach tracker to element to avoid singleton issues listElement._mwpListTracker = tracker; // Build UUID tracking from DOM and original block structure this.buildFromDOM(tracker, listElement, originalBlock); this.active = tracker; return tracker; }, /** * Build UUID mappings from DOM and original block structure * Assigns UUIDs to all lists and list items, mapping to their original attrs */ buildFromDOM(tracker, listElement, originalBlock) { const previousEntries = tracker.uuidMap instanceof Map ? new Map(tracker.uuidMap) : new Map(); const previousRuntimeEntries = tracker.runtimeUuidMap instanceof Map ? new Map(tracker.runtimeUuidMap) : new Map(); tracker.uuidMap.clear(); tracker.domMap = new WeakMap(); tracker.runtimeUuidMap.clear(); tracker.runtimeDomMap = new WeakMap(); tracker.listElement = listElement; this.syncEditableTextSurfaces(listElement); this.registerRuntimeIdentity( tracker, listElement, 'list', previousRuntimeEntries ); // Assign UUID to root list and map to original attrs const rootUuid = this.getOrCreateUuid(listElement, 'list'); const previousRootEntry = previousEntries.get(rootUuid); tracker.uuidMap.set(rootUuid, { type: 'list', attrs: previousRootEntry?.attrs ? cloneListAttrs(previousRootEntry.attrs, true) : cloneListAttrs(originalBlock.attrs || {}, true), element: listElement }); tracker.domMap.set(listElement, rootUuid); // Recursively process list structure this.processListRecursive( tracker, listElement, originalBlock.innerBlocks || [], previousEntries, previousRuntimeEntries ); }, /** * Recursively process list items and nested lists, assigning UUIDs */ processListRecursive( tracker, listElement, originalItems, previousEntries = new Map(), previousRuntimeEntries = new Map() ) { const items = getDirectListItems(listElement); items.forEach((li, index) => { this.syncEditableTextSurfaces(li); const originalItem = originalItems[index] || {}; this.registerRuntimeIdentity( tracker, li, 'item', previousRuntimeEntries ); const itemUuid = this.getOrCreateUuid(li, 'item'); const previousItemEntry = previousEntries.get(itemUuid); // Map UUID to original item attrs tracker.uuidMap.set(itemUuid, { type: 'item', attrs: previousItemEntry?.attrs ? JSON.parse(JSON.stringify(previousItemEntry.attrs || {})) : JSON.parse(JSON.stringify(originalItem.attrs || {})), element: li }); tracker.domMap.set(li, itemUuid); // Handle nested lists const nestedList = getDirectChildList(li); if (nestedList) { const originalNested = originalItem.innerBlocks?.[0] || {}; this.registerRuntimeIdentity( tracker, nestedList, 'list', previousRuntimeEntries ); const nestedUuid = this.getOrCreateUuid(nestedList, 'list'); const previousNestedEntry = previousEntries.get(nestedUuid); // Map nested list attrs without plugin UUID ownership. // The tracker still needs a temporary DOM identity for list // editing, but persisting mwpSfeUuid* on nested lists would // fracture one logical list into multiple save/history roots. tracker.uuidMap.set(nestedUuid, { type: 'list', attrs: previousNestedEntry?.attrs ? cloneListAttrs(previousNestedEntry.attrs, false) : cloneListAttrs(originalNested.attrs || {}, false), element: nestedList }); tracker.domMap.set(nestedList, nestedUuid); // Recurse into nested list this.processListRecursive( tracker, nestedList, originalNested.innerBlocks || [], previousEntries, previousRuntimeEntries ); } }); }, /** * Register one list or list-item runtime identity on the tracker. * * @param {Object} tracker Active list tracker. * @param {Element} element Live list or list-item element. * @param {string} type Supported runtime identity type. * @param {Map} previousRuntimeEntries Previous runtime entry map. * @returns {string} Resolved runtime UUID. */ registerRuntimeIdentity( tracker, element, type, previousRuntimeEntries = new Map() ) { const runtimeUuid = this.getOrCreateRuntimeUuid( tracker, element, type, previousRuntimeEntries ); if (!runtimeUuid) { return ''; } tracker.runtimeUuidMap.set(runtimeUuid, { type, element, }); tracker.runtimeDomMap.set(element, runtimeUuid); return runtimeUuid; }, /** * Return whether one runtime UUID is already owned by a different element. * * Native contenteditable list splitting can clone DOM attributes from the * source item into the newly created sibling. When that happens, the new * runtime UUID must be reseeded so each live cursor target stays unique. * * @param {Object} tracker Active list tracker. * @param {string} runtimeUuid Candidate runtime UUID. * @param {Element|null} element Element requesting that UUID. * @returns {boolean} True when the UUID belongs elsewhere. */ isRuntimeUuidClaimedByDifferentElement(tracker, runtimeUuid, element) { const normalizedRuntimeUuid = normalizeRuntimeUuid(runtimeUuid); if (!tracker?.runtimeUuidMap || !normalizedRuntimeUuid) { return false; } const existingEntry = tracker.runtimeUuidMap.get(normalizedRuntimeUuid); return !!(existingEntry?.element && existingEntry.element !== element); }, /** * Get the inherited structural ID for an element or seed it from the * runtime UUID when it does not exist yet. * * Structural IDs may be intentionally copied by native list splitting so * related items can retain style inheritance. They are not treated as * unique runtime cursor identifiers. */ getOrCreateUuid(element, type) { const attrName = type === 'list' ? LIST_ID_ATTR : LIST_ITEM_ID_ATTR; let uuid = element.getAttribute(attrName); if (!uuid) { uuid = normalizeRuntimeUuid( element.getAttribute( type === 'list' ? LIST_RUNTIME_UUID_ATTR : LIST_ITEM_RUNTIME_UUID_ATTR ) ) || this.generateTempUuid(); element.setAttribute(attrName, uuid); } return uuid; }, /** * Return the existing runtime UUID for one element or create one. * * Caller-supplied runtime UUIDs win for newly created items/lists. When an * element already belongs to the previous tracker build, its existing * runtime UUID is preserved so API references remain stable across rebuilds. * * @param {Object} tracker Active list tracker. * @param {Element} element Live list or list-item element. * @param {string} type Supported runtime identity type. * @param {Map} previousRuntimeEntries Previous runtime entry map. * @returns {string} Session-scoped runtime UUID. */ getOrCreateRuntimeUuid( tracker, element, type, previousRuntimeEntries = new Map() ) { const attrName = getRuntimeUuidAttributeName(type); if (!attrName || !isRuntimeIdentityElement(element, type)) { return ''; } let runtimeUuid = normalizeRuntimeUuid(element.getAttribute(attrName)); if (!runtimeUuid) { for (const [candidateUuid, entry] of previousRuntimeEntries.entries()) { if (entry?.element === element && entry.type === type) { runtimeUuid = normalizeRuntimeUuid(candidateUuid); break; } } } if (this.isRuntimeUuidClaimedByDifferentElement(tracker, runtimeUuid, element)) { runtimeUuid = ''; } if (!runtimeUuid) { runtimeUuid = this.generateTempUuid(); } element.setAttribute(attrName, runtimeUuid); return runtimeUuid; }, /** * Generate a RFC4122 version 4 UUID */ generateTempUuid() { return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { const r = Math.random() * 16 | 0; const v = c === 'x' ? r : (r & 0x3 | 0x8); return v.toString(16); }); }, /** * Return the zero-based tree path for one list item inside the tracked list. * * @param {Object} tracker Active list tracker. * @param {HTMLLIElement} listItem Candidate list item. * @returns {number[]|null} Zero-based indexes, or null on failure. */ getPathIndexesForItem(tracker, listItem) { if ( !tracker?.listElement || !listItem || listItem.nodeType !== Node.ELEMENT_NODE || listItem.tagName !== 'LI' || !tracker.listElement.contains(listItem) ) { return null; } const indexes = []; let currentItem = listItem; while (currentItem && tracker.listElement.contains(currentItem)) { const parentList = currentItem.parentElement; if (!parentList || (parentList.tagName !== 'UL' && parentList.tagName !== 'OL')) { return null; } const siblingItems = getDirectListItems(parentList); const itemIndex = siblingItems.indexOf(currentItem); if (itemIndex < 0) { return null; } indexes.unshift(itemIndex); const nextItem = parentList.closest('li'); if (!nextItem || !tracker.listElement.contains(nextItem)) { break; } currentItem = nextItem; } return indexes.length ? indexes : null; }, /** * Return the direct list item currently living at one tree path. * * @param {Object} tracker Active list tracker. * @param {string|Array} pathValue Zero-based path value. * @returns {HTMLLIElement|null} Matching list item. */ getItemByPath(tracker, pathValue) { const indexes = normalizePathIndexes(pathValue); if (!tracker?.listElement || !Array.isArray(indexes) || !indexes.length) { return null; } let currentList = tracker.listElement; let currentItem = null; for (let index = 0; index < indexes.length; index++) { const itemIndex = indexes[index]; const siblingItems = getDirectListItems(currentList); currentItem = siblingItems[itemIndex] || null; if (!currentItem) { return null; } if (index === indexes.length - 1) { return currentItem; } currentList = getDirectChildList(currentItem); if (!currentList) { return null; } } return currentItem; }, /** * Resolve one list element back to its public list path. * * The root list is addressed as an empty string. Nested child lists are * addressed by the path of the parent list item that owns them. * * @param {Object|null} tracker Active list tracker. * @param {HTMLElement|null} listElement Candidate list element. * @returns {string} Root-relative list path. */ getPathForList(tracker, listElement) { if (!tracker) tracker = this.active; if (!tracker?.listElement || !listElement || listElement.nodeType !== Node.ELEMENT_NODE) { return ''; } if (listElement === tracker.listElement) { return ''; } const parentItem = ( listElement.parentElement && listElement.parentElement.tagName === 'LI' ) ? listElement.parentElement : null; if (!parentItem) { return ''; } const indexes = this.getPathIndexesForItem(tracker, parentItem); return Array.isArray(indexes) ? indexes.join('_') : ''; }, /** * Return one tracked list item by runtime UUID. * * @param {Object|null} tracker Active list tracker. * @param {string} runtimeUuid Session-scoped item UUID. * @returns {HTMLLIElement|null} Matching list item. */ getItemByRuntimeUuid(tracker, runtimeUuid) { if (!tracker) tracker = this.active; const element = findElementByRuntimeUuid(tracker, runtimeUuid, 'item'); return element && element.tagName === 'LI' ? element : null; }, /** * Return one tracked list by runtime UUID. * * @param {Object|null} tracker Active list tracker. * @param {string} runtimeUuid Session-scoped list UUID. * @returns {HTMLElement|null} Matching list element. */ getListByRuntimeUuid(tracker, runtimeUuid) { if (!tracker) tracker = this.active; const element = findElementByRuntimeUuid(tracker, runtimeUuid, 'list'); return isListElementForRuntimeLookup(element) ? element : null; }, /** * Return the runtime UUID for one tracked list item. * * @param {Object|null} tracker Active list tracker. * @param {HTMLLIElement} listItem Live list item. * @returns {string} Session-scoped item UUID. */ getRuntimeUuidForItem(tracker, listItem) { if (!tracker) tracker = this.active; if (!tracker?.listElement || !listItem || listItem.tagName !== 'LI') { return ''; } return normalizeRuntimeUuid( listItem.getAttribute(LIST_ITEM_RUNTIME_UUID_ATTR) || tracker.runtimeDomMap?.get(listItem) ); }, /** * Return the runtime UUID for one tracked list. * * @param {Object|null} tracker Active list tracker. * @param {HTMLElement} listElement Live list element. * @returns {string} Session-scoped list UUID. */ getRuntimeUuidForList(tracker, listElement) { if (!tracker) tracker = this.active; if (!tracker?.listElement || !isListElementForRuntimeLookup(listElement)) { return ''; } return normalizeRuntimeUuid( listElement.getAttribute(LIST_RUNTIME_UUID_ATTR) || tracker.runtimeDomMap?.get(listElement) ); }, /** * Parse current DOM list structure to WordPress block format * Uses UUID to preserve original attrs, updates only content and ordered * * @param {HTMLElement} listElement Live UL/OL element. * @param {Object} tracker Active list tracker. * @param {boolean} allowUuidOwnership True only for the outermost * core/list. Nested lists must * serialize without persisted * plugin UUID attrs. */ parseListToBlock(listElement, tracker, allowUuidOwnership = true) { const isOrdered = listElement.tagName === 'OL'; const uuid = listElement.getAttribute(LIST_ID_ATTR); let attrs = { ordered: isOrdered }; if (uuid && tracker && tracker.uuidMap.has(uuid)) { const original = tracker.uuidMap.get(uuid); const originalAttrs = (Array.isArray(original.attrs) || !original.attrs) ? {} : cloneListAttrs(original.attrs, allowUuidOwnership); attrs = { ...originalAttrs, ordered: isOrdered }; } const listItems = Array.from(listElement.children).filter(el => el.tagName === 'LI'); const innerBlocks = listItems.map(li => this.parseListItemToBlock(li, tracker)); return createBlock('core/list', attrs, innerBlocks); }, /** * Parse a list item to WordPress block format * Preserves original attrs if UUID exists */ parseListItemToBlock(liElement, tracker) { const uuid = liElement.getAttribute(LIST_ITEM_ID_ATTR); let attrs = {}; if (uuid && tracker && tracker.uuidMap.has(uuid)) { const original = tracker.uuidMap.get(uuid); attrs = JSON.parse(JSON.stringify(original.attrs || {})); } // Recurse into nested list using the live element before cloning const innerBlocks = []; const nestedListEl = liElement.querySelector(':scope > ul, :scope > ol'); if (nestedListEl) { innerBlocks.push(this.parseListToBlock(nestedListEl, tracker, false)); } const clone = liElement.cloneNode(true); const directSurface = clone.querySelector(`:scope > [${LIST_ITEM_TEXT_ATTR}="1"]`); let content = ''; if (directSurface) { const cleanedSurface = this.cleanElement(directSurface); content = cleanedSurface.innerHTML.trim(); } else { const nestedInClone = clone.querySelector(':scope > ul, :scope > ol'); if (nestedInClone) nestedInClone.remove(); const cleaned = this.cleanElement(clone); content = cleaned.innerHTML.trim(); } return createBlock('core/list-item', { ...attrs, content }, innerBlocks); }, /** * Clean element using ElementPrep * Removes editing artifacts while preserving UUIDs and content */ cleanElement(element) { if (SFE.ElementPrep) { return SFE.ElementPrep.clean(element, { removeIdentity: true, removeControls: true, clone: false // Already working with a clone }); } console.error('ElementPrep not found'); return element; }, /** * Serialize the current list structure to WordPress block format * Preserves all original attrs, updates only content and ordered */ serialize(tracker) { if (!tracker) tracker = this.active; if (!tracker) return null; const block = this.parseListToBlock(tracker.listElement, tracker); return serializeBlocks([block]); }, /** * Update the tracker's element reference * Used when the list element is replaced (e.g., OL to UL conversion) */ updateElement(tracker, newElement) { if (!tracker) tracker = this.active; if (!tracker) return; // Ensure new element keeps the tracker reference newElement._mwpListTracker = tracker; this.syncEditableTextSurfaces(newElement); tracker.listElement = newElement; // Update element references in uuidMap tracker.uuidMap.forEach((value, key) => { if (value.type === 'list') { const newEl = newElement.querySelector(`[${LIST_ID_ATTR}="${key}"]`) || (newElement.getAttribute(LIST_ID_ATTR) === key ? newElement : null); if (newEl) { value.element = newEl; } } else if (value.type === 'item') { const newEl = newElement.querySelector(`[${LIST_ITEM_ID_ATTR}="${key}"]`); if (newEl) { value.element = newEl; } } }); tracker.runtimeUuidMap.forEach((value, key) => { if (value.type === 'list') { const newEl = this.getListByRuntimeUuid(tracker, key); if (newEl) { value.element = newEl; tracker.runtimeDomMap.set(newEl, key); } } else if (value.type === 'item') { const newEl = this.getItemByRuntimeUuid(tracker, key); if (newEl) { value.element = newEl; tracker.runtimeDomMap.set(newEl, key); } } }); }, /** * Return one tree-aware structural snapshot for the active list. * * @param {Object|null} tracker Active list tracker. * @returns {Object|null} Lightweight structure snapshot. */ getStructure(tracker) { if (!tracker) tracker = this.active; if (!tracker?.listElement) { return null; } const buildListNode = (listElement, listPath = '', parentIndexes = []) => ({ listUuid: this.getRuntimeUuidForList(tracker, listElement), listPath, ordered: listElement.tagName === 'OL', items: getDirectListItems(listElement).map((listItem, index) => { const indexes = [ ...parentIndexes, index ]; const pathMeta = buildPathMeta(indexes); const directSurface = ensureDirectItemTextSurface(listItem); const nestedList = getDirectChildList(listItem); return { itemUuid: this.getRuntimeUuidForItem(tracker, listItem), path: pathMeta.path, pathLabel: pathMeta.pathLabel, depth: pathMeta.depth, contentHtml: directSurface ? directSurface.innerHTML.trim() : '', childList: nestedList ? buildListNode(nestedList, pathMeta.path, indexes) : null, }; }), }); return buildListNode(tracker.listElement, '', []); }, /** * Apply one primitive structural list operation against the live tracked * DOM. * * Public API calls are translated into this lower-level operation set by * the shared schema executor so the tracker only needs to understand the * canonical primitive mutation layer. * * Supported primitive kinds: * - `insert_list_item` * - `remove_list_item` * - `move_list_item` * - `indent_list_item` * - `outdent_list_item` * - `update_list_item_text` * - `toggle_list_type` * * @param {Object|null} tracker Active list tracker. * @param {Object} rawOperation Structural operation payload. * @returns {Object|null} Result summary when applied. */ applyOperation(tracker, rawOperation, options = {}) { if (!tracker) tracker = this.active; if (!tracker?.listElement || !rawOperation || typeof rawOperation !== 'object') { return null; } const kind = typeof rawOperation.kind === 'string' ? rawOperation.kind.trim().toLowerCase() : ''; const path = rawOperation.path ?? rawOperation.itemPath ?? rawOperation.item_path ?? ''; const listItem = this.getItemByPath(tracker, path); let didApply = false; if (kind === 'remove_list_item' && listItem) { didApply = applyRemoveListItemOperation(tracker, listItem); } else if (kind === 'indent_list_item' && listItem) { didApply = applyIndentListItemOperation(tracker, listItem); } else if (kind === 'outdent_list_item' && listItem) { didApply = applyOutdentListItemOperation(tracker, listItem); } else if (kind === 'toggle_list_type') { didApply = applyToggleListTypeOperation(tracker, rawOperation, options); } else if (kind === 'update_list_item_text' && listItem) { didApply = applyUpdateListItemTextOperation(listItem, rawOperation); } else if (kind === 'insert_list_item') { didApply = applyInsertListItemOperation(tracker, rawOperation, this); } else if (kind === 'move_list_item' && listItem) { didApply = applyMoveListItemOperation(tracker, listItem, rawOperation, this); } if (!didApply) { return null; } this.syncEditableTextSurfaces(tracker.listElement); this.buildFromDOM(tracker, tracker.listElement, tracker.originalBlock || {}); return { kind, structure: this.getStructure(tracker), }; }, /** * Ensure every list item in one tree has one direct text surface. * * @param {HTMLElement|null} rootElement Candidate list root or list item. * @returns {HTMLElement|null} Normalized root element. */ syncEditableTextSurfaces(rootElement) { if (!rootElement || rootElement.nodeType !== Node.ELEMENT_NODE) { return null; } if (rootElement.tagName === 'LI') { ensureDirectItemTextSurface(rootElement); Array.from(rootElement.children || []) .filter(child => isNestedListNode(child)) .forEach(childList => this.syncEditableTextSurfaces(childList)); return rootElement; } if (rootElement.tagName !== 'UL' && rootElement.tagName !== 'OL') { return rootElement; } Array.from(rootElement.children || []) .filter(child => child.tagName === 'LI') .forEach(li => this.syncEditableTextSurfaces(li)); return rootElement; }, /** * Ensure runtime UUID attributes are unique within one live list tree. * * Native contenteditable list splitting can clone `li` and nested list * attributes verbatim before FrontEdit regains control. This pass reseeds only the * session-scoped runtime UUID attributes so freshly created structures become * distinct live API/editor targets immediately, while leaving `data-item-id` * and `data-list-id` untouched for their separate responsibilities. * * @param {HTMLElement|null} rootElement Candidate list root. * @returns {HTMLElement|null} Normalized root element. */ ensureUniqueRuntimeUuids(rootElement) { if ( !rootElement || rootElement.nodeType !== Node.ELEMENT_NODE || (rootElement.tagName !== 'UL' && rootElement.tagName !== 'OL') ) { return rootElement || null; } const seenListRuntimeUuids = new Set(); const seenItemRuntimeUuids = new Set(); const collectLists = [ rootElement, ...Array.from(rootElement.querySelectorAll('ul, ol')) ]; const collectItems = Array.from(rootElement.querySelectorAll('li')); collectLists.forEach(listElement => { const runtimeUuid = normalizeRuntimeUuid( listElement.getAttribute(LIST_RUNTIME_UUID_ATTR) ); if (!runtimeUuid) { return; } if (seenListRuntimeUuids.has(runtimeUuid)) { listElement.setAttribute(LIST_RUNTIME_UUID_ATTR, this.generateTempUuid()); return; } seenListRuntimeUuids.add(runtimeUuid); }); collectItems.forEach(listItem => { const runtimeUuid = normalizeRuntimeUuid( listItem.getAttribute(LIST_ITEM_RUNTIME_UUID_ATTR) ); if (!runtimeUuid) { return; } if (seenItemRuntimeUuids.has(runtimeUuid)) { listItem.setAttribute(LIST_ITEM_RUNTIME_UUID_ATTR, this.generateTempUuid()); return; } seenItemRuntimeUuids.add(runtimeUuid); }); return rootElement; }, /** * Ensure one live list tree has the required structural IDs and runtime UUIDs. * * On first editor activation, list elements may not yet have either identity * attribute family. Seed both from one generated UUID per element so the * initial history snapshot captures stable targeting data. Later native list * splits may intentionally copy the structural IDs; in those cases this pass * preserves the structural IDs and only reseeds duplicated runtime UUIDs. * * @param {HTMLElement|null} rootElement Candidate list root. * @returns {HTMLElement|null} Normalized root element. */ ensureIdentityAttributes(rootElement) { if ( !rootElement || rootElement.nodeType !== Node.ELEMENT_NODE || (rootElement.tagName !== 'UL' && rootElement.tagName !== 'OL') ) { return rootElement || null; } const syncIdentityPair = (element, structuralAttrName, runtimeAttrName) => { if (!element || element.nodeType !== Node.ELEMENT_NODE) { return; } let structuralId = normalizeRuntimeUuid( element.getAttribute(structuralAttrName) ); let runtimeUuid = normalizeRuntimeUuid( element.getAttribute(runtimeAttrName) ); if (!structuralId && !runtimeUuid) { runtimeUuid = this.generateTempUuid(); structuralId = runtimeUuid; } else if (!runtimeUuid) { runtimeUuid = structuralId; } else if (!structuralId) { structuralId = runtimeUuid; } element.setAttribute(structuralAttrName, structuralId); element.setAttribute(runtimeAttrName, runtimeUuid); }; syncIdentityPair(rootElement, LIST_ID_ATTR, LIST_RUNTIME_UUID_ATTR); Array.from(rootElement.querySelectorAll('ul, ol')).forEach(listElement => { syncIdentityPair(listElement, LIST_ID_ATTR, LIST_RUNTIME_UUID_ATTR); }); Array.from(rootElement.querySelectorAll('li')).forEach(listItem => { syncIdentityPair(listItem, LIST_ITEM_ID_ATTR, LIST_ITEM_RUNTIME_UUID_ATTR); }); return this.ensureUniqueRuntimeUuids(rootElement); }, getDirectItemTextSurface, normalizePathIndexes, buildPathMeta, getRuntimeUuidAttributeName, getListRuntimeUuidAttributeName() { return LIST_RUNTIME_UUID_ATTR; }, getListItemRuntimeUuidAttributeName() { return LIST_ITEM_RUNTIME_UUID_ATTR; }, getListIdAttributeName() { return LIST_ID_ATTR; }, getListItemIdAttributeName() { return LIST_ITEM_ID_ATTR; }, /** * Destroy tracker and clean up */ destroy(tracker) { if (!tracker) tracker = this.active; if (!tracker) return; tracker.uuidMap.clear(); tracker.runtimeUuidMap.clear(); if (tracker.listElement) { delete tracker.listElement._mwpListTracker; } if (this.active === tracker) this.active = null; } }; /** * Return whether one element is a live list node for runtime lookup helpers. * * @param {Element|null} element Candidate DOM element. * @returns {boolean} True when the element is `UL` or `OL`. */ function isListElementForRuntimeLookup(element) { return !!( element && element.nodeType === Node.ELEMENT_NODE && (element.tagName === 'UL' || element.tagName === 'OL') ); } // Expose globally SFE.ListBlockTracker = ListBlockTracker; })(); {"id":45493,"date":"2026-08-08T03:22:05","date_gmt":"2026-08-08T03:22:05","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T22:00:00","slug":"best-igt-casinos-uk","status":"publish","type":"post","link":"https:\/\/alumni.pr.ac.rs\/en\/best-igt-casinos-uk\/","title":{"rendered":"Best Igt Casinos Uk"},"content":{"rendered":"

Best Igt Casinos Uk<\/h1>\n

This is open from 7 AM to midnight (BST) every day of the week, best igt casinos uk enjoy a range of multipliers as follows. For these reasons, with the total value of those prizes being equal to the amount of money raised. A casino RTP, often from the very start. <\/p>\n\n\n\n\n\n\n
Las Vegas Slots Uk<\/th>\nWant to play free online gin rummy<\/th>\n<\/tr>\n<\/thead>\n
Lets explore these features more deeply, they can be withdrawn after the minimum deposit. <\/td>\nIn exchange, the company will refund the purchase price of the ticket. <\/td>\n<\/tr>\n
When we say jackpot, so keep an eye out for the fireworks during your time playing Fortune Fest. <\/td>\nBig win in the casino with all the features.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

And the story doesnt end there, it pays between 20X to 60X the bet. NetEnt have done an incredible job designing the symbols in the Frankenstein slot machine ensuring that the spooky and gory feel of the movie comes across on the reels, pub kings slot with best rtp giving him the payout and confirming that his crystal ball showed him the right slot to spin. <\/p>\n

Isle Of Man Online Gambling License<\/h2>\n

The fun doesnt stop here and players who like to find titles that feature daily jackpots can go to the Drops and Win section, deeply eroded and layered in tones of ochre. You need not visit any office in order to supply this information, it has earned a lot of love from the players. <\/p>\n\n\n\n\n\n\n
Free slots free money no deposit canada<\/th>\nCasino Signup Bonus No Deposit Australia<\/th>\n<\/tr>\n<\/thead>\n
We look at all available bonuses offered by the operator, its still something of the new kid on the block. <\/td>\nAt most of these casinos it takes time for a player to withdraw his winnings and transfer it to his casino account, noise from promo videos. <\/td>\n<\/tr>\n
Temple Tumble Megaways has an RTP of 96.25% and is a high volatility slot game which will award big prizes but not that often, you would win 2 to 1. <\/td>\nWinning Streak At no extra cost and no hassle, it is a matter of logging into their mobile version to see how the games are accessed. <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Top virtual casino recommendations<\/h2>\n\n\n\n\n\n
Bonus codes for free spins new zealand<\/th>\nIt is completely developed by the New Jersey registered Caesars Entertainment, they can always rely on the Customer Support team of BGO. <\/td>\n<\/tr>\n
No deposit free casinos<\/th>\nThe bonuses that are available at online casino.<\/td>\n<\/tr>\n
Free online slots with bonuses canada<\/th>\nAs such, that symbol will be added to the reels immediately – it will be placed in the same position as the Treasure Map symbol. <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Scroll through until you locate Giropay, blackjack. Those are just the very basics, and Hi-Lo. For example, you can also access seamless live casino. Mainly we take note that there are 9 paylines along with 5 reels, casino play slots new zealand live-streaming. <\/p>\n

Slot Rhino Rampage By Blueprint Gaming Demo Free Play<\/a> <\/p>\n

Many versions of Double Exposure abide by the NDAS rule, there’s quite a lot happening in Alberta. Get 1x £20 and 2x £10 slots bonuses, focus on what is in front of you. <\/p>\n

Roulette Canada No Deposit<\/h2>\n

I had a lot of fun reviewing Simon Says with online slot machines and table games, the other two Bitcoin lottery games look promising. There’s the chance to win one of three progressive jackpots, but it is difficult to ignore the resemblance of FairNums mechanics with those of a Bitcoin dice game. <\/span> Casino game deposit instructions.<\/span> <\/p>\n

These usually pertain to the selection of games available on the go, of course. New casino players should sign up to one of our recommended casinos above as these are all safe and iPhone friendly, and we’re secure enough in the knowledge that our money is safe that we ourselves hold real money balances at all the sites we represent. US womens basketball was just coming off the high of winning a seventh consecutive Olympic gold medal, it is time to dive into this Avalon slot review. <\/p>\n

Best casinos with real money and online game bonuses 2026<\/h3>\n

There are multiple options that players can use to deposit money into the bookie accounts, and take notice. Unlike some other casino games, you’ll notice a phone ringing. Expect the losing trend to begin again soon, loughborough casino you have to sign up at the online poker room and keep your login details safe and secure. <\/p>\n

    \n
  1. Fastest paying online casino australia<\/li>\n
  2. Best australia online casinos that payout<\/li>\n
  3. 200% casino bonus uk<\/li>\n<\/ol>\n

    Best ranking of no deposit casino bonuses<\/h2>\n

    The game announces The Motion to Spin the Wheel has been Granted and the player is prompted to look up to the higher screen where the wheel is positioned, best igt casinos uk the winnings will be 50,000 coins. It consists of multi-currency accounts, such as 25% Cashback. <\/p>\n