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This change: 1. Implements `Deno.stdin.isTerminal()`, `Deno.stdout.isTerminal()` and `Deno.stderr.isTerminal()`. 2. Deprecates `Deno.isatty()` for removal in Deno v2, in favour of the above instance methods. 3. Replaces use of `Deno.isatty()` with the above instance methods. Related #21995 --------- Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com> Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
37 lines
1.3 KiB
TypeScript
37 lines
1.3 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file no-explicit-any
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import { assert } from "../../../test_util/std/assert/mod.ts";
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import { isatty } from "node:tty";
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import process from "node:process";
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Deno.test("[node/tty isatty] returns true when fd is a tty, false otherwise", () => {
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assert(Deno.stdin.isTerminal() === isatty(Deno.stdin.rid));
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assert(Deno.stdout.isTerminal() === isatty(Deno.stdout.rid));
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assert(Deno.stderr.isTerminal() === isatty(Deno.stderr.rid));
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const file = Deno.openSync("README.md");
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assert(!isatty(file.rid));
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Deno.close(file.rid);
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});
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Deno.test("[node/tty isatty] returns false for irrelevant values", () => {
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// invalid numeric fd
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assert(!isatty(1234567));
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// TODO(kt3k): Enable this test when the below issue resolved
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// https://github.com/denoland/deno/issues/14398
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// assert(!isatty(-1));
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// invalid type fd
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assert(!isatty("abc" as any));
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assert(!isatty({} as any));
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assert(!isatty([] as any));
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assert(!isatty(null as any));
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assert(!isatty(undefined as any));
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});
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Deno.test("[node/tty WriteStream.isTTY] returns true when fd is a tty", () => {
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assert(Deno.stdin.isTerminal() === process.stdin.isTTY);
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assert(Deno.stdout.isTerminal() === process.stdout.isTTY);
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});
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