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denoland-deno/std/signal/mod.ts
2020-02-07 01:53:15 -05:00

28 lines
674 B
TypeScript

import { MuxAsyncIterator } from "../util/async.ts";
export function signal(
...signos: [number, ...number[]]
): AsyncIterable<void> & { dispose: () => void } {
const mux = new MuxAsyncIterator<void>();
if (signos.length < 1) {
throw new Error(
"No signals are given. You need to specify at least one signal to create a signal stream."
);
}
const streams = signos.map(Deno.signal);
streams.forEach(stream => {
mux.add(stream);
});
// Create dispose method for the muxer of signal streams.
const dispose = (): void => {
streams.forEach(stream => {
stream.dispose();
});
};
return Object.assign(mux, { dispose });
}