mirror of
https://github.com/denoland/deno.git
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345 lines
10 KiB
TypeScript
345 lines
10 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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import { notImplemented } from "ext:deno_node/_utils.ts";
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import { validateIntegerRange } from "ext:deno_node/_utils.ts";
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import process from "ext:deno_node/process.ts";
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import { isWindows, osType } from "ext:deno_node/_util/os.ts";
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import { os } from "ext:deno_node/internal_binding/constants.ts";
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import { osUptime } from "ext:runtime/30_os.js";
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export const constants = os;
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const SEE_GITHUB_ISSUE = "See https://github.com/denoland/deno_std/issues/1436";
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interface CPUTimes {
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/** The number of milliseconds the CPU has spent in user mode */
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user: number;
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/** The number of milliseconds the CPU has spent in nice mode */
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nice: number;
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/** The number of milliseconds the CPU has spent in sys mode */
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sys: number;
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/** The number of milliseconds the CPU has spent in idle mode */
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idle: number;
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/** The number of milliseconds the CPU has spent in irq mode */
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irq: number;
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}
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interface CPUCoreInfo {
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model: string;
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/** in MHz */
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speed: number;
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times: CPUTimes;
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}
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interface NetworkAddress {
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/** The assigned IPv4 or IPv6 address */
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address: string;
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/** The IPv4 or IPv6 network mask */
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netmask: string;
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family: "IPv4" | "IPv6";
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/** The MAC address of the network interface */
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mac: string;
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/** true if the network interface is a loopback or similar interface that is not remotely accessible; otherwise false */
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internal: boolean;
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/** The numeric IPv6 scope ID (only specified when family is IPv6) */
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scopeid?: number;
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/** The assigned IPv4 or IPv6 address with the routing prefix in CIDR notation. If the netmask is invalid, this property is set to null. */
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cidr: string;
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}
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interface NetworkInterfaces {
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[key: string]: NetworkAddress[];
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}
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export interface UserInfoOptions {
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encoding: string;
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}
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interface UserInfo {
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username: string;
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uid: number;
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gid: number;
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shell: string;
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homedir: string;
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}
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export function arch(): string {
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return process.arch;
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}
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// deno-lint-ignore no-explicit-any
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(arch as any)[Symbol.toPrimitive] = (): string => process.arch;
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// deno-lint-ignore no-explicit-any
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(endianness as any)[Symbol.toPrimitive] = (): string => endianness();
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// deno-lint-ignore no-explicit-any
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(freemem as any)[Symbol.toPrimitive] = (): number => freemem();
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// deno-lint-ignore no-explicit-any
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(homedir as any)[Symbol.toPrimitive] = (): string | null => homedir();
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// deno-lint-ignore no-explicit-any
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(hostname as any)[Symbol.toPrimitive] = (): string | null => hostname();
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// deno-lint-ignore no-explicit-any
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(platform as any)[Symbol.toPrimitive] = (): string => platform();
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// deno-lint-ignore no-explicit-any
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(release as any)[Symbol.toPrimitive] = (): string => release();
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// deno-lint-ignore no-explicit-any
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(version as any)[Symbol.toPrimitive] = (): string => version();
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// deno-lint-ignore no-explicit-any
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(totalmem as any)[Symbol.toPrimitive] = (): number => totalmem();
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// deno-lint-ignore no-explicit-any
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(type as any)[Symbol.toPrimitive] = (): string => type();
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// deno-lint-ignore no-explicit-any
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(uptime as any)[Symbol.toPrimitive] = (): number => uptime();
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export function cpus(): CPUCoreInfo[] {
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return Array.from(Array(navigator.hardwareConcurrency)).map(() => {
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return {
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model: "",
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speed: 0,
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times: {
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user: 0,
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nice: 0,
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sys: 0,
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idle: 0,
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irq: 0,
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},
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};
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});
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}
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/**
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* Returns a string identifying the endianness of the CPU for which the Deno
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* binary was compiled. Possible values are 'BE' for big endian and 'LE' for
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* little endian.
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*/
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export function endianness(): "BE" | "LE" {
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// Source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView#Endianness
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const buffer = new ArrayBuffer(2);
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new DataView(buffer).setInt16(0, 256, true /* littleEndian */);
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// Int16Array uses the platform's endianness.
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return new Int16Array(buffer)[0] === 256 ? "LE" : "BE";
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}
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/** Return free memory amount */
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export function freemem(): number {
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return Deno.systemMemoryInfo().free;
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}
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/** Not yet implemented */
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export function getPriority(pid = 0): number {
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validateIntegerRange(pid, "pid");
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notImplemented(SEE_GITHUB_ISSUE);
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}
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/** Returns the string path of the current user's home directory. */
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export function homedir(): string | null {
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// Note: Node/libuv calls getpwuid() / GetUserProfileDirectory() when the
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// environment variable isn't set but that's the (very uncommon) fallback
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// path. IMO, it's okay to punt on that for now.
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switch (osType) {
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case "windows":
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return Deno.env.get("USERPROFILE") || null;
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case "linux":
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case "darwin":
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case "freebsd":
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return Deno.env.get("HOME") || null;
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default:
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throw Error("unreachable");
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}
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}
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/** Returns the host name of the operating system as a string. */
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export function hostname(): string {
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return Deno.hostname();
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}
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/** Returns an array containing the 1, 5, and 15 minute load averages */
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export function loadavg(): number[] {
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if (isWindows) {
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return [0, 0, 0];
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}
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return Deno.loadavg();
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}
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/** Returns an object containing network interfaces that have been assigned a network address.
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* Each key on the returned object identifies a network interface. The associated value is an array of objects that each describe an assigned network address. */
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export function networkInterfaces(): NetworkInterfaces {
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const interfaces: NetworkInterfaces = {};
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for (
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const { name, address, netmask, family, mac, scopeid, cidr } of Deno
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.networkInterfaces()
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) {
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const addresses = interfaces[name] ||= [];
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const networkAddress: NetworkAddress = {
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address,
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netmask,
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family,
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mac,
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internal: (family === "IPv4" && isIPv4LoopbackAddr(address)) ||
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(family === "IPv6" && isIPv6LoopbackAddr(address)),
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cidr,
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};
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if (family === "IPv6") {
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networkAddress.scopeid = scopeid!;
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}
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addresses.push(networkAddress);
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}
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return interfaces;
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}
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function isIPv4LoopbackAddr(addr: string) {
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return addr.startsWith("127");
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}
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function isIPv6LoopbackAddr(addr: string) {
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return addr === "::1" || addr === "fe80::1";
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}
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/** Returns the a string identifying the operating system platform. The value is set at compile time. Possible values are 'darwin', 'linux', and 'win32'. */
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export function platform(): string {
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return process.platform;
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}
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/** Returns the operating system as a string */
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export function release(): string {
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return Deno.osRelease();
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}
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/** Returns a string identifying the kernel version */
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export function version(): string {
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// TODO(kt3k): Temporarily uses Deno.osRelease().
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// Revisit this if this implementation is insufficient for any npm module
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return Deno.osRelease();
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}
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/** Not yet implemented */
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export function setPriority(pid: number, priority?: number) {
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/* The node API has the 'pid' as the first parameter and as optional.
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This makes for a problematic implementation in Typescript. */
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if (priority === undefined) {
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priority = pid;
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pid = 0;
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}
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validateIntegerRange(pid, "pid");
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validateIntegerRange(priority, "priority", -20, 19);
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notImplemented(SEE_GITHUB_ISSUE);
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}
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/** Returns the operating system's default directory for temporary files as a string. */
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export function tmpdir(): string | null {
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/* This follows the node js implementation, but has a few
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differences:
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* On windows, if none of the environment variables are defined,
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we return null.
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* On unix we use a plain Deno.env.get, instead of safeGetenv,
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which special cases setuid binaries.
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* Node removes a single trailing / or \, we remove all.
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*/
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if (isWindows) {
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const temp = Deno.env.get("TEMP") || Deno.env.get("TMP");
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if (temp) {
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return temp.replace(/(?<!:)[/\\]*$/, "");
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}
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const base = Deno.env.get("SYSTEMROOT") || Deno.env.get("WINDIR");
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if (base) {
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return base + "\\temp";
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}
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return null;
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} else { // !isWindows
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const temp = Deno.env.get("TMPDIR") || Deno.env.get("TMP") ||
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Deno.env.get("TEMP") || "/tmp";
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return temp.replace(/(?<!^)\/*$/, "");
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}
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}
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/** Return total physical memory amount */
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export function totalmem(): number {
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return Deno.systemMemoryInfo().total;
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}
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/** Returns operating system type (i.e. 'Windows_NT', 'Linux', 'Darwin') */
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export function type(): string {
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switch (Deno.build.os as string) {
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case "windows":
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return "Windows_NT";
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case "linux":
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return "Linux";
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case "darwin":
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return "Darwin";
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case "freebsd":
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return "FreeBSD";
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default:
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throw Error("unreachable");
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}
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}
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/** Returns the Operating System uptime in number of seconds. */
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export function uptime(): number {
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return osUptime();
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}
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/** Not yet implemented */
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export function userInfo(
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// deno-lint-ignore no-unused-vars
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options: UserInfoOptions = { encoding: "utf-8" },
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): UserInfo {
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notImplemented(SEE_GITHUB_ISSUE);
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}
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export const EOL = isWindows ? "\r\n" : "\n";
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export const devNull = isWindows ? "\\\\.\\nul" : "/dev/null";
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export default {
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arch,
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cpus,
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endianness,
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freemem,
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getPriority,
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homedir,
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hostname,
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loadavg,
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networkInterfaces,
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platform,
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release,
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setPriority,
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tmpdir,
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totalmem,
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type,
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uptime,
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userInfo,
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version,
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constants,
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EOL,
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devNull,
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};
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