Removed syntastic and replaced it with ale

Read more here:
https://github.com/w0rp/ale

sources_non_forked/ale/autoload/ale/lsp/response.vim

@@ -0,0 +1,74 @@
+" Author: w0rp <devw0rp@gmail.com>
+" Description: Parsing and transforming of LSP server responses.
+
+" Constants for message severity codes.
+let s:SEVERITY_ERROR = 1
+let s:SEVERITY_WARNING = 2
+let s:SEVERITY_INFORMATION = 3
+let s:SEVERITY_HINT = 4
+
+" Parse the message for textDocument/publishDiagnostics
+function! ale#lsp#response#ReadDiagnostics(response) abort
+    let l:loclist = []
+
+    for l:diagnostic in a:response.params.diagnostics
+        let l:severity = get(l:diagnostic, 'severity', 0)
+        let l:loclist_item = {
+        \   'text': l:diagnostic.message,
+        \   'type': 'E',
+        \   'lnum': l:diagnostic.range.start.line + 1,
+        \   'col': l:diagnostic.range.start.character + 1,
+        \   'end_lnum': l:diagnostic.range.end.line + 1,
+        \   'end_col': l:diagnostic.range.end.character + 1,
+        \}
+
+        if l:severity == s:SEVERITY_WARNING
+            let l:loclist_item.type = 'W'
+        elseif l:severity == s:SEVERITY_INFORMATION
+            " TODO: Use 'I' here in future.
+            let l:loclist_item.type = 'W'
+        elseif l:severity == s:SEVERITY_HINT
+            " TODO: Use 'H' here in future
+            let l:loclist_item.type = 'W'
+        endif
+
+        if has_key(l:diagnostic, 'code')
+            let l:loclist_item.nr = l:diagnostic.code
+        endif
+
+        call add(l:loclist, l:loclist_item)
+    endfor
+
+    return l:loclist
+endfunction
+
+function! ale#lsp#response#ReadTSServerDiagnostics(response) abort
+    let l:loclist = []
+
+    for l:diagnostic in a:response.body.diagnostics
+        let l:loclist_item = {
+        \   'text': l:diagnostic.text,
+        \   'type': 'E',
+        \   'lnum': l:diagnostic.start.line,
+        \   'col': l:diagnostic.start.offset,
+        \   'end_lnum': l:diagnostic.end.line,
+        \   'end_col': l:diagnostic.end.offset,
+        \}
+
+        if has_key(l:diagnostic, 'code')
+            let l:loclist_item.nr = l:diagnostic.code
+        endif
+
+        if get(l:diagnostic, 'category') is# 'warning'
+            let l:loclist_item.type = 'W'
+        endif
+
+        if get(l:diagnostic, 'category') is# 'suggestion'
+            let l:loclist_item.type = 'I'
+        endif
+
+        call add(l:loclist, l:loclist_item)
+    endfor
+
+    return l:loclist
+endfunction