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Code Issues Packages 1 Wiki Activity

fix(node): make process.stdout.isTTY writable (#26130)

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Fixes https://github.com/denoland/deno/issues/26123
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Marvin Hagemeister 2024-10-11 19:14:10 +02:00 committed by GitHub
parent 94b588ce66
commit 9117a9a43c
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2 changed files with 19 additions and 1 deletions
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10
ext/node/polyfills/_process/streams.mjs
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@ -63,6 +63,10 @@ export function createWritableStdioStream(writer, name, warmup = false) {
stream.destroySoon = stream.destroy;
stream._isStdio = true;
stream.once("close", () => writer?.close());
// We cannot call `writer?.isTerminal()` eagerly here
let getIsTTY = () => writer?.isTerminal();
ObjectDefineProperties(stream, {
columns: {
__proto__: null,
@ -81,7 +85,11 @@ export function createWritableStdioStream(writer, name, warmup = false) {
__proto__: null,
enumerable: true,
configurable: true,
get: () => writer?.isTerminal(),
// Allow users to overwrite it
get: () => getIsTTY(),
set: (value) => {
getIsTTY = () => value;
},
},
getWindowSize: {
__proto__: null,

10
tests/unit_node/process_test.ts
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@ -691,6 +691,16 @@ Deno.test({
assertStrictEquals(process.stdout.clearLine, undefined);
assertStrictEquals(process.stdout.clearScreenDown, undefined);
}
// Allows overwriting `process.stdout.isTTY`
// https://github.com/denoland/deno/issues/26123
const original = process.stdout.isTTY;
try {
process.stdout.isTTY = !isTTY;
assertEquals(process.stdout.isTTY, !isTTY);
} finally {
process.stdout.isTTY = original;
}
},
});