Add lsc#config#messageType function

This converts a message type by name into a log level value

autoload/lsc/config.vim

@@ -169,20 +169,30 @@ function! lsc#config#shouldEcho(server, type) abort
       let l:threshold = a:server.config.log_level
     else
       let l:config = a:server.config.log_level
-      if l:config ==# 'Error'
-        let l:threshold = 1
-      elseif l:config ==# 'Warning'
-        let l:threshold = 2
-      elseif l:config ==# 'Info'
-        let l:threshold = 3
-      elseif l:config ==# 'Log'
-        let l:threshold = 4
-      endif
+      let l:threshold = lsc#config#messageType(l:config)
     endif
   endif
   return a:type <= l:threshold
 endfunction
 
+" Convert message type name to number
+function! lsc#config#messageType(type) abort
+  if a:type ==# 'Error'
+    return 1
+  elseif a:type ==# 'Warning'
+    return 2
+  elseif a:type ==# 'Info'
+    return 3
+  elseif a:type ==# 'Log'
+    return 4
+  else
+    call lsc#message#error('Unkown message type: '.a:type)
+
+    " Default to "Info"
+    return 3
+  endif
+endfunction
+
 " A maker from returns from "message_hook" functions indicating that a call
 " should not be made.
 function! lsc#config#skip() abort

autoload/lsc/server.vim

@@ -325,7 +325,8 @@ function! s:Dispatch(server, method, params, id) abort
     call lsc#util#shift(a:server.logs, 100,
         \ {'message': a:params.message, 'type': a:params.type})
   elseif a:method ==? 'window/progress'
-    if lsc#config#shouldEcho(a:server, 4)
+    let a:params.type = lsc#config#messageType('Log')
+    if lsc#config#shouldEcho(a:server, a:params.type)
       if has_key(a:params, 'message')
         let l:full = a:params['title'] . a:params['message']
         call lsc#message#show('Progress ' . l:full)