signal-desktop/ts/textsecure/TaskWithTimeout.ts
Sidney Keese dabab60f56 Remove TSLint
Co-authored-by: Chris Svenningsen <chris@carbonfive.com>
2020-10-12 18:10:07 -04:00

73 lines
1.7 KiB
TypeScript

export default function createTaskWithTimeout<T>(
task: () => Promise<T>,
id: string,
options: { timeout?: number } = {}
): () => Promise<T> {
const timeout = options.timeout || 1000 * 60 * 2; // two minutes
const errorForStack = new Error('for stack');
return async () =>
new Promise((resolve, reject) => {
let complete = false;
let timer: NodeJS.Timeout | null = setTimeout(() => {
if (!complete) {
const message = `${id ||
''} task did not complete in time. Calling stack: ${
errorForStack.stack
}`;
window.log.error(message);
reject(new Error(message));
return undefined;
}
return null;
}, timeout);
const clearTimer = () => {
try {
const localTimer = timer;
if (localTimer) {
timer = null;
clearTimeout(localTimer);
}
} catch (error) {
window.log.error(
id || '',
'task ran into problem canceling timer. Calling stack:',
errorForStack.stack
);
}
};
const success = (result: T) => {
clearTimer();
complete = true;
resolve(result);
};
const failure = (error: Error) => {
clearTimer();
complete = true;
reject(error);
};
let promise;
try {
promise = task();
} catch (error) {
clearTimer();
throw error;
}
if (!promise || !promise.then) {
clearTimer();
complete = true;
resolve(promise);
return undefined;
}
// eslint-disable-next-line more/no-then
return promise.then(success, failure);
});
}