Add Async Functionality per Segment

functions/autoload/__p9k_segment_should_be_joined

@@ -33,9 +33,10 @@ local last_segment_index=$2
 local -a elements
 elements=(${=3})
 
-local current_segment=${elements[$current_index]}
+local raw_current_segment=${elements[$current_index]}
+local -a current_segment=(${(s.::.)raw_current_segment})
 local joined=false
-if [[ ${current_segment[-7,-1]} == '_joined' ]]; then
+if p9k::segment_is_tagged_as "joined" "${current_segment}"; then
   joined=true
   # promote segment to a full one, if the predecessing full segment
   # was conditional. So this can only be the case for segments that
@@ -47,11 +48,12 @@ if [[ ${current_segment[-7,-1]} == '_joined' ]]; then
     # segment as well.
     local examined_index=$((current_index - 1))
     while (( ${examined_index} > ${last_segment_index} )); do
-      local previous_segment=${elements[$examined_index]}
+      local raw_previous_segment=${elements[$examined_index]}
+      local -a previous_segment=(${(s.::.)raw_previous_segment})
       # If one of the examined segments is not joined, then we know
       # that the current segment should not be joined, as the target
       # segment is the wrong one.
-      if [[ ${previous_segment[-7,-1]} != '_joined' ]]; then
+      if ! p9k::segment_is_tagged_as "joined" "${previous_segment}"; then
         joined=false
         break
       fi

functions/utilities.zsh

@@ -219,6 +219,25 @@ function p9k::set_default() {
   p9k::defined "$varname" || typeset -g "$varname"="$default_value"
 }
 
+###############################################################
+# @description
+#   Tests if a segment is tagged as given tag.
+##
+# @args
+#   $1 string The tag to test
+#   $2 array The segments tags
+##
+# @returns
+#   0 if the segment contains the tag
+##
+function p9k::segment_is_tagged_as() {
+  local tag="${1}"
+  # All following parameters
+  local segment_meta=(${=@[2,-1]})
+
+  [[ "${segment_meta[(re)${tag}]:-}" == "${tag}" ]]
+}
+
 ###############################################################
 # @description
 #   Converts large memory values into a human-readable unit (e.g., bytes --> GB)