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source dump of claude code
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1.5 kB · 53 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354import { logForDebugging } from './debug.js'import { which } from './which.js'
// Session cache to avoid repeated checksconst binaryCache = new Map<string, boolean>()
/** * Check if a binary/command is installed and available on the system. * Uses 'which' on Unix systems (macOS, Linux, WSL) and 'where' on Windows. * * @param command - The command name to check (e.g., 'gopls', 'rust-analyzer') * @returns Promise<boolean> - true if the command exists, false otherwise */export async function isBinaryInstalled(command: string): Promise<boolean> { // Edge case: empty or whitespace-only command if (!command || !command.trim()) { logForDebugging('[binaryCheck] Empty command provided, returning false') return false }
// Trim the command to handle whitespace const trimmedCommand = command.trim()
// Check cache first const cached = binaryCache.get(trimmedCommand) if (cached !== undefined) { logForDebugging( `[binaryCheck] Cache hit for '${trimmedCommand}': ${cached}`, ) return cached }
let exists = false if (await which(trimmedCommand).catch(() => null)) { exists = true }
// Cache the result binaryCache.set(trimmedCommand, exists)
logForDebugging( `[binaryCheck] Binary '${trimmedCommand}' ${exists ? 'found' : 'not found'}`, )
return exists}
/** * Clear the binary check cache (useful for testing) */export function clearBinaryCache(): void { binaryCache.clear()}