From 4720eea24f8fa382c778ecf28dd0e98a2c43c1d3 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Wed, 24 Mar 2021 00:48:02 +0100
Subject: util.datamapper: Don't include empty unwrapped arrays
Since there is no way to distinguish an empty such array from a
zero-length array. Dropping it seems like the least annoying thing to
do.
---
teal-src/util/datamapper.tl | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'teal-src/util')
diff --git a/teal-src/util/datamapper.tl b/teal-src/util/datamapper.tl
index 99431f86..ed7ce62c 100644
--- a/teal-src/util/datamapper.tl
+++ b/teal-src/util/datamapper.tl
@@ -168,7 +168,10 @@ function parse_object (schema : schema_t, s : st.stanza_t) : { string : any }
out[prop] = parse_object(propschema, c);
end
elseif proptype == "array" then
- out[prop] = parse_array(propschema, s);
+ local a = parse_array(propschema, s);
+ if a and a[1] ~= nil then
+ out[prop] = a;
+ end
else
error "unreachable"
end
--
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