diff options
Diffstat (limited to 'lib/internal/process/main_thread_only.js')
-rw-r--r-- | lib/internal/process/main_thread_only.js | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/internal/process/main_thread_only.js b/lib/internal/process/main_thread_only.js index 358e2b37b0..0cb3edbf9a 100644 --- a/lib/internal/process/main_thread_only.js +++ b/lib/internal/process/main_thread_only.js @@ -20,9 +20,15 @@ const { signals } = internalBinding('constants').os; // The execution of this function itself should not cause any side effects. function wrapProcessMethods(binding) { + // Cache the working directory to prevent lots of lookups. If the working + // directory is changed by `chdir`, it'll be updated. + let cachedCwd = ''; + function chdir(directory) { validateString(directory, 'directory'); - return binding.chdir(directory); + binding.chdir(directory); + // Mark cache that it requires an update. + cachedCwd = ''; } function umask(mask) { @@ -32,9 +38,16 @@ function wrapProcessMethods(binding) { return binding.umask(mask); } + function cwd() { + if (cachedCwd === '') + cachedCwd = binding.cwd(); + return cachedCwd; + } + return { chdir, - umask + umask, + cwd }; } |