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Show all versions of alpinejs Show documentation
The rugged, minimal JavaScript framework
(() => {
// packages/alpinejs/src/scheduler.js
var flushPending = false;
var flushing = false;
var queue = [];
var lastFlushedIndex = -1;
function scheduler(callback) {
queueJob(callback);
}
function queueJob(job) {
if (!queue.includes(job))
queue.push(job);
queueFlush();
}
function dequeueJob(job) {
let index = queue.indexOf(job);
if (index !== -1 && index > lastFlushedIndex)
queue.splice(index, 1);
}
function queueFlush() {
if (!flushing && !flushPending) {
flushPending = true;
queueMicrotask(flushJobs);
}
}
function flushJobs() {
flushPending = false;
flushing = true;
for (let i = 0; i < queue.length; i++) {
queue[i]();
lastFlushedIndex = i;
}
queue.length = 0;
lastFlushedIndex = -1;
flushing = false;
}
// packages/alpinejs/src/reactivity.js
var reactive;
var effect;
var release;
var raw;
var shouldSchedule = true;
function disableEffectScheduling(callback) {
shouldSchedule = false;
callback();
shouldSchedule = true;
}
function setReactivityEngine(engine) {
reactive = engine.reactive;
release = engine.release;
effect = (callback) => engine.effect(callback, { scheduler: (task) => {
if (shouldSchedule) {
scheduler(task);
} else {
task();
}
} });
raw = engine.raw;
}
function overrideEffect(override) {
effect = override;
}
function elementBoundEffect(el) {
let cleanup2 = () => {
};
let wrappedEffect = (callback) => {
let effectReference = effect(callback);
if (!el._x_effects) {
el._x_effects = /* @__PURE__ */ new Set();
el._x_runEffects = () => {
el._x_effects.forEach((i) => i());
};
}
el._x_effects.add(effectReference);
cleanup2 = () => {
if (effectReference === void 0)
return;
el._x_effects.delete(effectReference);
release(effectReference);
};
return effectReference;
};
return [wrappedEffect, () => {
cleanup2();
}];
}
function watch(getter, callback) {
let firstTime = true;
let oldValue;
let effectReference = effect(() => {
let value = getter();
JSON.stringify(value);
if (!firstTime) {
queueMicrotask(() => {
callback(value, oldValue);
oldValue = value;
});
} else {
oldValue = value;
}
firstTime = false;
});
return () => release(effectReference);
}
// packages/alpinejs/src/utils/dispatch.js
function dispatch(el, name, detail = {}) {
el.dispatchEvent(
new CustomEvent(name, {
detail,
bubbles: true,
// Allows events to pass the shadow DOM barrier.
composed: true,
cancelable: true
})
);
}
// packages/alpinejs/src/utils/walk.js
function walk(el, callback) {
if (typeof ShadowRoot === "function" && el instanceof ShadowRoot) {
Array.from(el.children).forEach((el2) => walk(el2, callback));
return;
}
let skip = false;
callback(el, () => skip = true);
if (skip)
return;
let node = el.firstElementChild;
while (node) {
walk(node, callback, false);
node = node.nextElementSibling;
}
}
// packages/alpinejs/src/utils/warn.js
function warn(message, ...args) {
console.warn(`Alpine Warning: ${message}`, ...args);
}
// packages/alpinejs/src/lifecycle.js
var started = false;
function start() {
if (started)
warn("Alpine has already been initialized on this page. Calling Alpine.start() more than once can cause problems.");
started = true;
if (!document.body)
warn("Unable to initialize. Trying to load Alpine before `` is available. Did you forget to add `defer` in Alpine's `