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+# You can move it here ~/.config/elvish/lib/hx.elv
+# Or add `eval (slurp < ~/$REPOS/helix/contrib/completion/hx.elv)`
+# Be sure to replace `$REPOS` with something that makes sense for you!
+
+### Renders a pretty completion candidate
+var candidate = { | _stem _desc |
+ edit:complex-candidate $_stem &display=(styled $_stem bold)(styled " "$_desc dim)
+}
+
+### These commands will invalidate further input (i.e. not react to them)
+var skips = [ "--tutor" "--help" "--version" "-V" "--health" ]
+
+### Grammar commands
+var grammar = [ "--grammar" "-g" ]
+
+### Config commands
+var config = [ "--config" "-c" ]
+
+### Set an arg-completer for the `hx` binary
+set edit:completion:arg-completer[hx] = {|@args|
+ var n = (count $args)
+ if (>= $n 3) {
+ # Stop completions if passed arg will take presedence
+ # and invalidate further input
+ if (has-value $skips $args[-2]) {
+ return
+ }
+ # If the previous arg == --grammar, then only suggest:
+ if (has-value $grammar $args[-2]) {
+ $candidate "fetch" "Fetch the tree-sitter grammars"
+ $candidate "build" "Build the tree-sitter grammars"
+ return
+ }
+ # When we have --config, we need a file
+ if (has-values $config $args[-2]) {
+ edit:complete-filename $args[-1] | each { |v| put $v[stem] }
+ return
+ }
+ }
+ edit:complete-filename $args[-1] | each { |v| put $v[stem]}
+ $candidate "--help" "(Prints help information)"
+ $candidate "--version" "(Prints version information)"
+ $candidate "--tutor" "(Loads the tutorial)"
+ $candidate "--health" "(Checks for errors in editor setup)"
+ $candidate "--grammar" "(Fetch or build the tree-sitter grammars)"
+ $candidate "--vsplit" "(Splits all given files vertically)"
+ $candidate "--hsplit" "(Splits all given files horizontally)"
+ $candidate "--config" "(Specifies a file to use for configuration)"
+} \ No newline at end of file