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// src/createDeferredExecutor.ts
function createDeferredExecutor() {
const executor = (resolve, reject) => {
executor.state = "pending";
executor.resolve = (data) => {
if (executor.state !== "pending") {
return;
}
executor.result = data;
const onFulfilled = (value) => {
executor.state = "fulfilled";
return value;
};
return resolve(
data instanceof Promise ? data : Promise.resolve(data).then(onFulfilled)
);
};
executor.reject = (reason) => {
if (executor.state !== "pending") {
return;
}
queueMicrotask(() => {
executor.state = "rejected";
});
return reject(executor.rejectionReason = reason);
};
};
return executor;
}
// src/DeferredPromise.ts
var DeferredPromise = class extends Promise {
#executor;
resolve;
reject;
constructor(executor = null) {
const deferredExecutor = createDeferredExecutor();
super((originalResolve, originalReject) => {
deferredExecutor(originalResolve, originalReject);
executor?.(deferredExecutor.resolve, deferredExecutor.reject);
});
this.#executor = deferredExecutor;
this.resolve = this.#executor.resolve;
this.reject = this.#executor.reject;
}
get state() {
return this.#executor.state;
}
get rejectionReason() {
return this.#executor.rejectionReason;
}
then(onFulfilled, onRejected) {
return this.#decorate(super.then(onFulfilled, onRejected));
}
catch(onRejected) {
return this.#decorate(super.catch(onRejected));
}
finally(onfinally) {
return this.#decorate(super.finally(onfinally));
}
#decorate(promise) {
return Object.defineProperties(promise, {
resolve: { configurable: true, value: this.resolve },
reject: { configurable: true, value: this.reject }
});
}
};
export {
DeferredPromise,
createDeferredExecutor
};
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