devsite/node_modules/foreground-child/dist/esm/proxy-signals.js
2024-07-07 18:49:38 -07:00

34 lines
997 B
JavaScript

import { allSignals } from './all-signals.js';
/**
* Starts forwarding signals to `child` through `parent`.
*/
export const proxySignals = (child) => {
const listeners = new Map();
for (const sig of allSignals) {
const listener = () => {
// some signals can only be received, not sent
try {
child.kill(sig);
/* c8 ignore start */
}
catch (_) { }
/* c8 ignore stop */
};
try {
// if it's a signal this system doesn't recognize, skip it
process.on(sig, listener);
listeners.set(sig, listener);
/* c8 ignore start */
}
catch (_) { }
/* c8 ignore stop */
}
const unproxy = () => {
for (const [sig, listener] of listeners) {
process.removeListener(sig, listener);
}
};
child.on('exit', unproxy);
return unproxy;
};
//# sourceMappingURL=proxy-signals.js.map