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path: root/script/core/diagnostics/duplicate-doc-alias.lua
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Diffstat (limited to 'script/core/diagnostics/duplicate-doc-alias.lua')
-rw-r--r--script/core/diagnostics/duplicate-doc-alias.lua3
1 files changed, 3 insertions, 0 deletions
diff --git a/script/core/diagnostics/duplicate-doc-alias.lua b/script/core/diagnostics/duplicate-doc-alias.lua
index 3df6f972..821bb1d8 100644
--- a/script/core/diagnostics/duplicate-doc-alias.lua
+++ b/script/core/diagnostics/duplicate-doc-alias.lua
@@ -17,6 +17,9 @@ return function (uri, callback)
for _, doc in ipairs(state.ast.docs) do
if doc.type == 'doc.alias' then
local name = guide.getKeyName(doc)
+ if not name then
+ return
+ end
if not cache[name] then
local docs = vm.getDocSets(uri, name)
cache[name] = {}