fix: redirection pipe formatting

Author: blindFS

README.md

@@ -10,7 +10,7 @@
 
 ## Status
 
-* Supposed to work well with all language features of nushell v0.107
+* Supposed to work well with all language features of nushell v0.108
   * Except for some known issues of `tree-sitter-nu`
 
 > [!NOTE]

languages/nu.scm

@@ -58,7 +58,17 @@
 ] @prepend_space @append_space
 
 (pipeline
-  "|" @append_space @prepend_input_softline
+  [
+    "err>|"
+    "out>|"
+    "e>|"
+    "o>|"
+    "err+out>|"
+    "out+err>|"
+    "o+e>|"
+    "e+o>|"
+    "|"
+  ] @append_space @prepend_input_softline
 )
 
 ;; add spaces to left & right sides of operators
@@ -261,7 +271,7 @@
   "}"? @prepend_spaced_softline
 )
 
-(match_pattern "|" @prepend_spaced_softline @append_space )
+(match_pattern "|" @prepend_spaced_softline @append_space)
 
 ;; data structures
 (command_list

test/expected_command.nu

@@ -1,5 +1,5 @@
 # local command
-ls | get -i name
+ls e+o>| get -i name
 | length; ls # multiline command
 | length
 # external command
@@ -10,4 +10,4 @@ ls | get -i name
 FOO=BAR BAR=BAZ ^$cmd --arg1=val1 -arg2 arg=value arg=($arg3)
 cat unknown.txt o+e> (null-device)
 
-$hash | $in + "\n" out>> $NUENV_FILE
+$hash err>| $in + "\n" out>> $NUENV_FILE

test/input_command.nu

@@ -1,5 +1,5 @@
 # local command
-ls | get -i name
+ls e+o>| get -i name
 | length; ls # multiline command
 | length
 # external command
@@ -8,4 +8,4 @@ ls | get -i name
 FOO=BAR  BAR=BAZ  ^$cmd  --arg1=val1 -arg2  arg=value arg=($arg3)
 cat unknown.txt o+e> (null-device)
 
-$hash | $in + "\n" out>> $NUENV_FILE
+$hash err>| $in + "\n" out>> $NUENV_FILE