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ee2e693340
This PR adds support for [`tty.WriteStream.prototype.hasColors()`](https://nodejs.org/api/tty.html#writestreamhascolorscount-env) and [`tty.WriteStream.prototype.getColorDepth()`](https://nodejs.org/api/tty.html#writestreamgetcolordepthenv). I couldn't find any usage on GitHub which passes parameters to it. Therefore I've skipped adding support for the `env` parameter to keep our snapshot size small. Based on https://github.com/denoland/deno_terminal/pull/3 Fixes https://github.com/denoland/deno/issues/24616
45 lines
1.6 KiB
TypeScript
45 lines
1.6 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 "@std/assert/mod.ts";
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import { isatty } from "node:tty";
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import tty 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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using file = Deno.openSync("README.md");
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assert(!isatty(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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Deno.test("[node/tty WriteStream.hasColors] returns true when colors are supported", () => {
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assert(tty.WriteStream.prototype.hasColors() === !Deno.noColor);
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});
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Deno.test("[node/tty WriteStream.getColorDepth] returns current terminal color depth", () => {
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assert([1, 4, 8, 24].includes(tty.WriteStream.prototype.getColorDepth()));
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});
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