feat: unsetEnv -> add function

purescript-node · Oct 27, 2020 · 2293e81 · 2293e81
1 parent 88871d8
commit 2293e81
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Showing 2 changed files with 11 additions and 0 deletions.
diff --git a/src/Node/Process.js b/src/Node/Process.js
@@ -38,6 +38,12 @@ exports.setEnv = function (var_) {
   };
 };
 
+exports.unsetEnv = function (var_) {
+  return function () {
+    delete process.env[var_];
+  };
+};
+
 exports.exit = function (code) {
   return function () {
     process.exit(code);

diff --git a/src/Node/Process.purs b/src/Node/Process.purs
@@ -11,6 +11,7 @@ module Node.Process
   , getEnv
   , lookupEnv
   , setEnv
+  , unsetEnv
   , pid
   , platform
   , exit
@@ -101,6 +102,10 @@ lookupEnv k = FO.lookup k <$> getEnv
 -- | Set an environment variable.
 foreign import setEnv :: String -> String -> Effect Unit
 
+-- | Delete an environment variable.
+-- | Use case: to hide secret environment variable from child processes.
+foreign import unsetEnv :: String -> Effect Unit
+
 pid :: Pid
 pid = process.pid