platform.ts

/** @fileoverview Platform detection and OS-specific constants. */

let _os: typeof import('node:os') | undefined
/**
 * Lazily load the os module to avoid Webpack errors.
 * Uses non-'node:' prefixed require to prevent Webpack bundling issues.
 *
 * @private
 */
/*@__NO_SIDE_EFFECTS__*/
function getOs() {
  if (_os === undefined) {
    // Use non-'node:' prefixed require to avoid Webpack errors.

    _os = /*@__PURE__*/ require('node:os')
  }
  return _os as typeof import('node:os')
}

/**
 * CPU architecture type.
 */
export type Arch = NodeJS.Architecture

/**
 * Linux libc variant.
 */
export type Libc = 'glibc' | 'musl'

/**
 * Operating system platform type.
 */
export type Platform = NodeJS.Platform

let _arch: Arch | undefined

/**
 * Get the current CPU architecture (memoized).
 */
export function getArch(): Arch {
  if (_arch === undefined) {
    _arch = getOs().arch()
  }
  return _arch
}

let _platform: Platform | undefined

/**
 * Get the current platform (memoized).
 */
export function getPlatform(): Platform {
  if (_platform === undefined) {
    _platform = getOs().platform()
  }
  return _platform
}

// Platform detection (memoized at module load).
export const DARWIN = getPlatform() === 'darwin'
export const WIN32 = getPlatform() === 'win32'

// File permission modes.
export const S_IXUSR = 0o100
export const S_IXGRP = 0o010
export const S_IXOTH = 0o001