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app.js
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app.js
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export default function ({ restored_state } = {}) {
let button_1;
let txt_2;
let div_3;
let txt_4;
let txt_5;
let txt_6;
let div_7;
let txt_8;
let txt_9;
let txt_10;
let div_11;
let txt_12;
let txt_13;
let button_14;
let txt_15;
let button_16;
let txt_17;
let bar;
let double;
let quadruple;
let collectChanges = [];
let updateCalled = false;
function update(changed) {
changed.forEach((c) => collectChanges.push(c));
if (updateCalled) return;
updateCalled = true;
// first call
update_reactive_declarations();
if (typeof lifecycle !== 'undefined') lifecycle.update(collectChanges);
collectChanges = [];
updateCalled = false;
}
let counter = restored_state?.counter ?? 5;
let foo = restored_state?.foo ?? 5;
const increment = () => (counter++, update(['counter']));
const decrement = () => (counter--, update(['counter']));
const incrementFoo = () => (foo++, update(['foo']));
update(['quadruple', 'double', 'bar', 'counter', 'foo']);
function update_reactive_declarations() {
if (['foo'].some((name) => collectChanges.includes(name))) {
bar = foo + 5;
update(['bar']);
}
if (['counter', 'bar'].some((name) => collectChanges.includes(name))) {
double = counter * 2 + bar;
update(['double']);
}
if (['double'].some((name) => collectChanges.includes(name))) {
quadruple = double * 2;
update(['quadruple']);
}
}
var lifecycle = {
create(target, should_hydrate = target.childNodes.length > 0) {
button_1 = should_hydrate
? target.childNodes[0]
: document.createElement('button');
button_1.addEventListener('click', decrement);
txt_2 = should_hydrate
? button_1.childNodes[0]
: document.createTextNode('Decrement');
if (!should_hydrate) button_1.appendChild(txt_2);
if (!should_hydrate) target.appendChild(button_1);
div_3 = should_hydrate
? target.childNodes[1]
: document.createElement('div');
txt_4 = should_hydrate
? div_3.childNodes[0]
: document.createTextNode(counter);
if (!should_hydrate) div_3.appendChild(txt_4);
txt_5 = should_hydrate
? div_3.childNodes[2]
: document.createTextNode(' * 2 = ');
if (!should_hydrate) div_3.appendChild(txt_5);
txt_6 = should_hydrate
? div_3.childNodes[4]
: document.createTextNode(double);
if (!should_hydrate) div_3.appendChild(txt_6);
if (!should_hydrate) target.appendChild(div_3);
div_7 = should_hydrate
? target.childNodes[2]
: document.createElement('div');
txt_8 = should_hydrate
? div_7.childNodes[0]
: document.createTextNode(double);
if (!should_hydrate) div_7.appendChild(txt_8);
txt_9 = should_hydrate
? div_7.childNodes[2]
: document.createTextNode(' * 2 = ');
if (!should_hydrate) div_7.appendChild(txt_9);
txt_10 = should_hydrate
? div_7.childNodes[4]
: document.createTextNode(quadruple);
if (!should_hydrate) div_7.appendChild(txt_10);
if (!should_hydrate) target.appendChild(div_7);
div_11 = should_hydrate
? target.childNodes[3]
: document.createElement('div');
txt_12 = should_hydrate
? div_11.childNodes[0]
: document.createTextNode('foo = ');
if (!should_hydrate) div_11.appendChild(txt_12);
txt_13 = should_hydrate
? div_11.childNodes[2]
: document.createTextNode(foo);
if (!should_hydrate) div_11.appendChild(txt_13);
if (!should_hydrate) target.appendChild(div_11);
button_14 = should_hydrate
? target.childNodes[4]
: document.createElement('button');
button_14.addEventListener('click', increment);
txt_15 = should_hydrate
? button_14.childNodes[0]
: document.createTextNode('Increment');
if (!should_hydrate) button_14.appendChild(txt_15);
if (!should_hydrate) target.appendChild(button_14);
button_16 = should_hydrate
? target.childNodes[5]
: document.createElement('button');
button_16.addEventListener('click', incrementFoo);
txt_17 = should_hydrate
? button_16.childNodes[0]
: document.createTextNode('Increment Foo');
if (!should_hydrate) button_16.appendChild(txt_17);
if (!should_hydrate) target.appendChild(button_16);
},
update(changed) {
if (changed.includes('counter')) {
txt_4.data = counter;
}
if (changed.includes('double')) {
txt_6.data = double;
}
if (changed.includes('double')) {
txt_8.data = double;
}
if (changed.includes('quadruple')) {
txt_10.data = quadruple;
}
if (changed.includes('foo')) {
txt_13.data = foo;
}
},
destroy(target) {
button_1.removeEventListener('click', decrement);
target.removeChild(button_1);
target.removeChild(div_3);
target.removeChild(div_7);
target.removeChild(div_11);
button_14.removeEventListener('click', increment);
target.removeChild(button_14);
button_16.removeEventListener('click', incrementFoo);
target.removeChild(button_16);
},
capture_state() {
return { counter, foo, increment, decrement, incrementFoo };
},
};
return lifecycle;
}