support for bash arrays and associative arrays

1 files changed, 40 insertions, 3 deletions

diff --git a/wordpress/export-json.bash b/wordpress/export-json.bash
index fd48afe..82a39b8 100644
--- a/wordpress/export-json.bash
+++ b/wordpress/export-json.bash
@@ -85,7 +85,7 @@ arg1_to_env0()
         fi
 }
 
-vars_to_env0()
+export_to_env0()
 {
         while [ $# -gt 0 ]
         do
@@ -94,6 +94,43 @@ vars_to_env0()
         done
 }
 
+to_JSON()
+{
+        [ $# = 1 ] || return
+        case "${!1@a}" in
+                *a* )
+                        (
+                                eval "set -- \${${1}[@]}" &&
+                                jq -n '$ARGS.positional' --args "$@"
+                        )
+                        ;;
+                *A* )
+                        (
+                                eval "set -- \"\${!${1}[@]}\" \"\${${1}[@]}\"" &&
+                                jq -n "$(jq_zip2)" --args "$@"
+                        )
+                        ;;
+                * )
+                        [ -v "$1" ] &&
+                        jq -n '$x' --arg x "${!1}"
+                        ;;
+        esac
+}
+
+jq_zip2()
+{
+        cat <<'END'
+$ARGS.positional |
+[
+  .[ : length/2 ],
+  .[ length/2 : ]
+] |
+transpose |
+map ({ (.[0]): .[1] }) |
+add
+END
+}
+
 env0_to_JSON()
 {
         set --
@@ -108,7 +145,7 @@ export_JSON_unsafe()
 {
         (
                 set -o pipefail
-                vars_to_env0 "$@" | env0_to_JSON
+                export_to_env0 "$@" | env0_to_JSON
         )
 }
 
@@ -126,7 +163,7 @@ safety_pipe()
 
 export_JSON()
 {
-        safety_pipe env0_to_JSON vars_to_env0 "$@"
+        safety_pipe env0_to_JSON export_to_env0 "$@"
 }
 
 filter_vars()