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// packages/morph/src/morph.js
function morph(dom, toHtml, options) {
assignOptions(options);
patch(dom, createElement(toHtml));
return dom;
}
var key;
var lookahead;
var updating;
var updated;
var removing;
var removed;
var adding;
var added;
var noop = () => {
};
function assignOptions(options = {}) {
let defaultGetKey = (el) => el.getAttribute("key");
key = options.key || defaultGetKey;
lookahead = options.lookahead || false;
updating = options.updating || noop;
updated = options.updated || noop;
removing = options.removing || noop;
removed = options.removed || noop;
adding = options.adding || noop;
added = options.added || noop;
}
function createElement(html) {
return document.createRange().createContextualFragment(html).firstElementChild;
}
function patch(dom, to) {
if (dom.isEqualNode(to))
return;
if (differentElementNamesTypesOrKeys(dom, to)) {
return patchElement(dom, to);
}
let updateChildrenOnly = false;
if (shouldSkip(updating, dom, to, () => updateChildrenOnly = true))
return;
if (textOrComment(to)) {
patchNodeValue(dom, to);
updated(dom, to);
return;
}
if (!updateChildrenOnly) {
patchAttributes(dom, to);
}
updated(dom, to);
patchChildren(dom, to);
}
function differentElementNamesTypesOrKeys(dom, to) {
return dom.nodeType != to.nodeType || dom.nodeName != to.nodeName || getKey(dom) != getKey(to);
}
function textOrComment(el) {
return el.nodeType === 3 || el.nodeType === 8;
}
function patchElement(dom, to) {
if (shouldSkip(removing, dom))
return;
let toCloned = to.cloneNode(true);
if (shouldSkip(adding, toCloned))
return;
dom.parentNode.replaceChild(toCloned, dom);
removed(dom);
added(toCloned);
}
function patchNodeValue(dom, to) {
let value = to.nodeValue;
if (dom.nodeValue !== value)
dom.nodeValue = value;
}
function patchAttributes(dom, to) {
if (dom._x_isShown && !to._x_isShown) {
return;
}
if (!dom._x_isShown && to._x_isShown) {
return;
}
let domAttributes = Array.from(dom.attributes);
let toAttributes = Array.from(to.attributes);
for (let i = domAttributes.length - 1; i >= 0; i--) {
let name = domAttributes[i].name;
if (!to.hasAttribute(name))
dom.removeAttribute(name);
}
for (let i = toAttributes.length - 1; i >= 0; i--) {
let name = toAttributes[i].name;
let value = toAttributes[i].value;
if (dom.getAttribute(name) !== value)
dom.setAttribute(name, value);
}
}
function patchChildren(dom, to) {
let domChildren = dom.childNodes;
let toChildren = to.childNodes;
let toKeyToNodeMap = keyToMap(toChildren);
let domKeyDomNodeMap = keyToMap(domChildren);
let currentTo = to.firstChild;
let currentFrom = dom.firstChild;
let domKeyHoldovers = {};
while (currentTo) {
let toKey = getKey(currentTo);
let domKey = getKey(currentFrom);
if (!currentFrom) {
if (toKey && domKeyHoldovers[toKey]) {
let holdover = domKeyHoldovers[toKey];
dom.appendChild(holdover);
currentFrom = holdover;
} else {
addNodeTo(currentTo, dom);
currentTo = currentTo.nextSibling;
continue;
}
}
if (lookahead) {
let nextToElementSibling = currentTo.nextElementSibling;
if (nextToElementSibling && currentFrom.isEqualNode(nextToElementSibling)) {
currentFrom = addNodeBefore(currentTo, currentFrom);
domKey = getKey(currentFrom);
}
}
if (toKey !== domKey) {
if (!toKey && domKey) {
domKeyHoldovers[domKey] = currentFrom;
currentFrom = addNodeBefore(currentTo, currentFrom);
domKeyHoldovers[domKey].remove();
currentFrom = currentFrom.nextSibling;
currentTo = currentTo.nextSibling;
continue;
}
if (toKey && !domKey) {
if (domKeyDomNodeMap[toKey]) {
currentFrom.parentElement.replaceChild(domKeyDomNodeMap[toKey], currentFrom);
currentFrom = domKeyDomNodeMap[toKey];
}
}
if (toKey && domKey) {
domKeyHoldovers[domKey] = currentFrom;
let domKeyNode = domKeyDomNodeMap[toKey];
if (domKeyNode) {
currentFrom.parentElement.replaceChild(domKeyNode, currentFrom);
currentFrom = domKeyNode;
} else {
domKeyHoldovers[domKey] = currentFrom;
currentFrom = addNodeBefore(currentTo, currentFrom);
domKeyHoldovers[domKey].remove();
currentFrom = currentFrom.nextSibling;
currentTo = currentTo.nextSibling;
continue;
}
}
}
patch(currentFrom, currentTo);
currentTo = currentTo && currentTo.nextSibling;
currentFrom = currentFrom && currentFrom.nextSibling;
}
while (currentFrom) {
if (!shouldSkip(removing, currentFrom)) {
let domForRemoval = currentFrom;
dom.removeChild(domForRemoval);
removed(domForRemoval);
}
currentFrom = currentFrom.nextSibling;
}
}
function getKey(el) {
return el && el.nodeType === 1 && key(el);
}
function keyToMap(els) {
let map = {};
els.forEach((el) => {
let theKey = getKey(el);
if (theKey) {
map[theKey] = el;
}
});
return map;
}
function shouldSkip(hook, ...args) {
let skip = false;
hook(...args, () => skip = true);
return skip;
}
function addNodeTo(node, parent) {
if (!shouldSkip(adding, node)) {
let clone = node.cloneNode(true);
parent.appendChild(clone);
added(clone);
}
}
function addNodeBefore(node, beforeMe) {
if (!shouldSkip(adding, node)) {
let clone = node.cloneNode(true);
beforeMe.parentElement.insertBefore(clone, beforeMe);
added(clone);
return clone;
}
return beforeMe;
}
// packages/morph/src/index.js
function src_default(Alpine) {
Alpine.directive("morph", (el, {expression}, {effect, evaluateLater}) => {
let evaluate = evaluateLater(expression);
effect(() => {
evaluate((value) => {
let child = el.firstElementChild || el.firstChild || el.appendChild(document.createTextNode(""));
morph(child, value);
});
});
});
}
// packages/morph/builds/module.js
var module_default = src_default;
export {
module_default as default,
morph
};
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