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source dump of claude code forked from oppi.li/claude-code
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1.3 kB · 43 lines
TypeScript
at main
1234567891011121314151617181920212223242526272829303132333435363738394041424344/** * Lazy accessor for proper-lockfile. * * proper-lockfile depends on graceful-fs, which monkey-patches every fs * method on first require (~8ms). Static imports of proper-lockfile pull this * cost into the startup path even when no locking happens (e.g. `--help`). * * Import this module instead of `proper-lockfile` directly. The underlying * package is only loaded the first time a lock function is actually called. */
import type { CheckOptions, LockOptions, UnlockOptions } from 'proper-lockfile'
type Lockfile = typeof import('proper-lockfile')
let _lockfile: Lockfile | undefined
function getLockfile(): Lockfile { if (!_lockfile) { // eslint-disable-next-line @typescript-eslint/no-require-imports _lockfile = require('proper-lockfile') as Lockfile } return _lockfile}
export function lock( file: string, options?: LockOptions,): Promise<() => Promise<void>> { return getLockfile().lock(file, options)}
export function lockSync(file: string, options?: LockOptions): () => void { return getLockfile().lockSync(file, options)}
export function unlock(file: string, options?: UnlockOptions): Promise<void> { return getLockfile().unlock(file, options)}
export function check(file: string, options?: CheckOptions): Promise<boolean> { return getLockfile().check(file, options)}