fix(hint): attempt to index a nil value

Fixes: LuaLS#2788
tmillr · Aug 15, 2024 · 12a7812 · 12a7812
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diff --git a/changelog.md b/changelog.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
+* `FIX` Error `attempt to index a nil value` when `Lua.hint.semicolon == 'All'` [#2788](https://github.com/LuaLS/lua-language-server/issues/2788)
 
 ## 3.10.3
 `2024-8-8`

diff --git a/script/core/hint.lua b/script/core/hint.lua
@@ -287,6 +287,8 @@ local function semicolonHint(uri, results, start, finish)
     ---@async
     guide.eachSourceTypes(state.ast, blockTypes, function (src)
         await.delay()
+        if #src < 1 then return end
+
         for i = 1, #src - 1 do
             local current = src[i]
             local next    = src[i+1]
@@ -313,6 +315,7 @@ local function semicolonHint(uri, results, start, finish)
                 end
             end
         end
+
         if mode == 'All' then
             local last = src[#src]
             results[#results+1] = {