proxy-signals.js•1.16 kB
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.proxySignals = void 0;
const all_signals_js_1 = require("./all-signals.js");
/**
* Starts forwarding signals to `child` through `parent`.
*/
const proxySignals = (child) => {
const listeners = new Map();
for (const sig of all_signals_js_1.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;
};
exports.proxySignals = proxySignals;
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