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denoland-deno/runtime/js/40_tty.js
David Sherret 2fee8394a9
chore: update copyright year to 2023 (#17247)
Yearly tradition of creating extra noise in git.
2023-01-05 13:05:49 +01:00

28 lines
603 B
JavaScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
"use strict";
((window) => {
const {
Uint32Array,
Uint8Array,
} = window.__bootstrap.primordials;
const core = window.Deno.core;
const ops = core.ops;
const size = new Uint32Array(2);
function consoleSize() {
ops.op_console_size(size);
return { columns: size[0], rows: size[1] };
}
const isattyBuffer = new Uint8Array(1);
function isatty(rid) {
ops.op_isatty(rid, isattyBuffer);
return !!isattyBuffer[0];
}
window.__bootstrap.tty = {
consoleSize,
isatty,
};
})(this);