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svelte/test/runtime/samples/transition-js-await-block/_config.js

35 lines
583 B

let fulfil;
const promise = new Promise((f) => {
fulfil = f;
});
export default {
props: {
promise
},
intro: true,
test({ assert, target, raf }) {
const p = target.querySelector('p');
assert.equal(p.className, 'pending');
assert.equal(p.foo, 0);
raf.tick(50);
assert.equal(p.foo, 0.5);
fulfil(42);
return promise.then(() => {
raf.tick(80);
const ps = document.querySelectorAll('p');
assert.equal(ps[1].className, 'pending');
assert.equal(ps[0].className, 'then');
assert.equal(ps[1].foo, 0.2);
assert.equal(ps[0].foo, 0.3);
});
}
};