line completion working

exp.txt

@@ -1,32 +0,0 @@
-
-fo
-bar
-bar
-hello
-bar
-hello
-hello
-f
-abcd
-fo
-hello
-fo
-bcd
-hello world and ha ha ha
-foo bar and ha ha ha
-xdfadf bar and ha ha he
-skafjds bar and ha ha ha
-hello ha ha ha
-foob and ha ha ha
-skafjds bar and ha ha ha
-fjds bar and ha ha ha
-a b c and ha ha ha
-
-var foo = SomeBigName(arg1, arg2, arg3)
-var bar = SomeBigName(arg1, arg2, arg3)
-var xyz = SomeBigName(arg1, arg2, arg3)
-var xdf = Som
-
-
-
-

lc.vim

@@ -22,14 +22,15 @@ def GetMatch(base: string, line: string, add_base: bool): Item
     endif
 enddef
 
-def GetMatches(base: string): list<string>
+def GetMatches(base: string, add_base: bool): list<string>
     return getbufinfo()
+        ->filter( (_, bf) => bf.listed )
         ->map( (_, buf) => getbufline(buf["bufnr"], 1, "$"))
         ->flattennew()
         ->sort()
         ->uniq()
-        ->map( (_, v) => GetMatch(base, v, true) )
-        ->filter( (_, i) => i.len != 0 )
+        ->map( (_, v) => GetMatch(base, v, add_base) )
+        ->filter( (_, i) => i.len > 3 )
         ->sort( (x, y) => y.len - x.len )
         ->map( (_, i) => i.val )
 enddef
@@ -38,25 +39,13 @@ def LineSuffixCompl(findstart: bool, base: string): any
     if findstart
         return 0
     endif
-    return GetMatches(base)
+    return GetMatches(base, true)
 enddef
 
-def DoLSCmpl(): string
-    const base = getline('.')
-    const lines = getbufinfo()
-        ->map( (_, buf) => getbufline(buf["bufnr"], 1, "$"))
-        ->flattennew()
-        ->sort()
-        ->uniq()
-        ->map( (_, v) => GetMatch(base, v, v:false) )
-        ->filter( (_, v) => GetMatch(base, v, v:false) )
-        ->sort( (x, y) => y[0] - x[0] )
-        ->map( (_, v) => v[1] )
-
-    complete(col('.'), lines)
-    return ''
+def DoLSCmpl()
+    GetMatches(getline('.'), false)->complete(col('.'))
 enddef
 
-# inoremap <C-X><C-L> <C-R>=<SID>DoLSCmpl()<CR>
+inoremap <C-X><C-L> <C-R>=<SID>DoLSCmpl()<CR>
 
 set completefunc=LineSuffixCompl