Move wrapper selection into a function

_reformat-common.bash

@@ -165,6 +165,34 @@ function sniff_file_type() {
     echo $file_type
 }
 
+function choose_wrapper() {
+    file_type="$1"
+
+    if [[ $file_type = "javascript" ||
+        $file_type = "vue" ||
+        $file_type = "typescript" ||
+        $file_type = "css" ||
+        $file_type = "php" ||
+        $file_type = "html" ||
+        $file_type = "jsx" ||
+        $file_type = "tsx" ||
+        $file_type == "css" ||
+        $file_type == "scss" ||
+        $file_type = "sh" ]]; then
+        out="$WF_ROOT"/./prettier.sh
+    elif [[ $file_type == "python" ]]; then
+        out="$WF_ROOT"/./isort-and-black.sh
+    elif [[ $file_type == "golang" ]]; then
+        out="$WF_ROOT"/./gofmt.sh
+    elif [[ $file_type == "dart" ]]; then
+        out="$WF_ROOT"/./dart_format.sh
+    else
+        out="$WF_ROOT"/./default.sh
+    fi
+
+    echo "$out"
+}
+
 function wrflog() {
     echo "$@" >>/tmp/wrflog
 }