simonflex-framework
Version:
A library implements Meter Flex interface
39 lines • 2.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/** class to make promise interruptable */
class PromInt {
constructor() {
this.rejectors = new Set();
}
/**
* interrupt all wrapped promises
*/
interrupt() {
const rejectors = this.rejectors;
this.rejectors = new Set();
rejectors.forEach(r => r(new InterruptedError()));
}
/**
* wrap the promise
* @param p the given promise
* @returns the wrapped promise which will raise InterruptedError on interruption
*/
wrap(p) {
return new Promise((resolve, reject) => {
const rejectors = this.rejectors;
rejectors.add(reject);
p.then(resolve)
.catch(reject)
.then(() => rejectors.delete(reject));
});
}
}
exports.PromInt = PromInt;
class InterruptedError extends Error {
constructor() {
super('promise interrupted');
}
}
exports.InterruptedError = InterruptedError;
InterruptedError.prototype.name = 'InterruptedError';
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