bc518174
 王天杨
提交两个项目文件
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import { noop } from 'motion-utils';
import { addToQueue } from './queue.mjs';
class ViewTransitionBuilder {
constructor(update, options = {}) {
this.currentSubject = "root";
this.targets = new Map();
this.notifyReady = noop;
this.readyPromise = new Promise((resolve) => {
this.notifyReady = resolve;
});
this.update = update;
this.options = {
interrupt: "wait",
...options,
};
addToQueue(this);
}
get(subject) {
this.currentSubject = subject;
return this;
}
layout(keyframes, options) {
this.updateTarget("layout", keyframes, options);
return this;
}
new(keyframes, options) {
this.updateTarget("new", keyframes, options);
return this;
}
old(keyframes, options) {
this.updateTarget("old", keyframes, options);
return this;
}
enter(keyframes, options) {
this.updateTarget("enter", keyframes, options);
return this;
}
exit(keyframes, options) {
this.updateTarget("exit", keyframes, options);
return this;
}
crossfade(options) {
this.updateTarget("enter", { opacity: 1 }, options);
this.updateTarget("exit", { opacity: 0 }, options);
return this;
}
updateTarget(target, keyframes, options = {}) {
const { currentSubject, targets } = this;
if (!targets.has(currentSubject)) {
targets.set(currentSubject, {});
}
const targetData = targets.get(currentSubject);
targetData[target] = { keyframes, options };
}
then(resolve, reject) {
return this.readyPromise.then(resolve, reject);
}
}
function animateView(update, defaultOptions = {}) {
return new ViewTransitionBuilder(update, defaultOptions);
}
export { ViewTransitionBuilder, animateView };
//# sourceMappingURL=index.mjs.map
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