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PORTS: Add ns.nextPortWrite() as a safer option (#1036)

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LJ
2024-01-15 04:10:39 -07:00
committed by GitHub
parent d0e66d5be2
commit 157ff8ea88
4 changed files with 20 additions and 5 deletions
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src/NetscriptPort.ts
+3 -4
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@@ -36,7 +36,7 @@ export function portHandle(n: PortNumber): NetscriptPort {
tryWrite: (value: unknown) => tryWritePort(n, value),
read: () => readPort(n),
peek: () => peekPort(n),
nextWrite: () => nextWritePort(n),
nextWrite: () => nextPortWrite(n),
full: () => isFullPort(n),
empty: () => isEmptyPort(n),
clear: () => clearPort(n),
@@ -83,10 +83,9 @@ export function peekPort(n: PortNumber): PortData {
return port.data[0];
}
function nextWritePort(n: PortNumber) {
export function nextPortWrite(n: PortNumber) {
const port = getPort(n);
if (port.promise) return port.promise;
port.promise = new Promise<void>((res) => (port.resolver = res));
if (!port.promise) port.promise = new Promise<void>((res) => (port.resolver = res));
return port.promise;
}