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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | 1x 6x 3x 15x 1x 5x 3x 1x 1x 2x 2x 1x 5x | // TypeScript port of https://github.com/DavidWells/safe-await/
// Native Error types https://mzl.la/2Veh3TR
const nativeExceptions = [
EvalError,
RangeError,
ReferenceError,
SyntaxError,
TypeError,
URIError,
].filter(except => typeof except === 'function');
function throwNative(error: Error) {
for (const Exception of nativeExceptions) {
if (error instanceof Exception) throw error;
}
}
export function safeAwait<T>(promise: Promise<T>, finallyFn?: () => void) {
return promise
.then(data => {
if (data instanceof Error) {
throwNative(data);
return [data] as readonly [Error];
}
return [undefined, data] as const;
})
.catch((error: Error) => {
throwNative(error);
return [error] as const;
})
.finally(() => {
if (finallyFn) finallyFn();
});
}
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