From 5a4fad6172472fd2cc316ff72b827ed726e69a5b Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Fri, 14 Aug 2020 01:55:48 +0100
Subject: Fix #2899 - Handle tsserver default import completion

---
 autoload/ale/completion.vim                        | 18 ++++++-
 .../test_tsserver_completion_parsing.vader         | 58 ++++++++++++++++++++++
 2 files changed, 75 insertions(+), 1 deletion(-)

diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index bffcdc8a..a273d4e1 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -418,12 +418,22 @@ function! ale#completion#ParseTSServerCompletionEntryDetails(response) abort
 
     for l:suggestion in a:response.body
         let l:displayParts = []
+        let l:local_name = v:null
 
         for l:action in get(l:suggestion, 'codeActions', [])
             call add(l:displayParts, l:action.description . ' ')
         endfor
 
         for l:part in l:suggestion.displayParts
+            " Stop on stop on line breaks for the menu.
+            if get(l:part, 'kind') is# 'lineBreak'
+                break
+            endif
+
+            if get(l:part, 'kind') is# 'localName'
+                let l:local_name = l:part.text
+            endif
+
             call add(l:displayParts, l:part.text)
         endfor
 
@@ -436,7 +446,13 @@ function! ale#completion#ParseTSServerCompletionEntryDetails(response) abort
 
         " See :help complete-items
         let l:result = {
-        \   'word': l:suggestion.name,
+        \   'word': (
+        \       l:suggestion.name is# 'default'
+        \       && l:suggestion.kind is# 'alias'
+        \       && !empty(l:local_name)
+        \           ? l:local_name
+        \           : l:suggestion.name
+        \   ),
         \   'kind': ale#completion#GetCompletionSymbols(l:suggestion.kind),
         \   'icase': 1,
         \   'menu': join(l:displayParts, ''),
diff --git a/test/completion/test_tsserver_completion_parsing.vader b/test/completion/test_tsserver_completion_parsing.vader
index 4515afd1..aaaaae95 100644
--- a/test/completion/test_tsserver_completion_parsing.vader
+++ b/test/completion/test_tsserver_completion_parsing.vader
@@ -1,4 +1,11 @@
+Before:
+  Save g:ale_completion_tsserver_remove_warnings
+
+  let g:ale_completion_tsserver_remove_warnings = 0
+
 After:
+  Restore
+
   unlet! b:ale_tsserver_completion_names
 
 Execute(TypeScript completions responses should be parsed correctly):
@@ -242,3 +249,54 @@ Execute(Entries without details should be included in the responses):
   \   },
   \ ],
   \})
+
+Execute(Default imports should be handled correctly):
+  AssertEqual
+  \ [
+  \   {
+  \     'word': 'abcd',
+  \     'menu': 'Import default ''abcd'' from module "./foo" (alias) const abcd: 3',
+  \     'info': '',
+  \     'kind': 't',
+  \     'icase': 1,
+  \     'user_data': json_encode({
+  \         'codeActions': [{
+  \             'description': 'Import default ''abcd'' from module "./foo"',
+  \             'changes': [],
+  \         }],
+  \     }),
+  \     'dup': g:ale_completion_autoimport,
+  \   },
+  \ ],
+  \ ale#completion#ParseTSServerCompletionEntryDetails({
+  \   'body': [
+  \     {
+  \       'name': 'default',
+  \       'kind': 'alias',
+  \       'displayParts': [
+  \         {'kind': 'punctuation', 'text': '('},
+  \         {'kind': 'text', 'text': 'alias'},
+  \         {'kind': 'punctuation', 'text': ')'},
+  \         {'kind': 'space', 'text': ' '},
+  \         {'kind': 'keyword', 'text': 'const'},
+  \         {'kind': 'space', 'text': ' '},
+  \         {'kind': 'localName', 'text': 'abcd'},
+  \         {'kind': 'punctuation', 'text': ':'},
+  \         {'kind': 'space', 'text': ' '},
+  \         {'kind': 'stringLiteral', 'text': '3'},
+  \         {'kind': 'lineBreak', 'text': '^@'},
+  \         {'kind': 'keyword', 'text': 'export'},
+  \         {'kind': 'space', 'text': ' '},
+  \         {'kind': 'keyword', 'text': 'default'},
+  \         {'kind': 'space', 'text': ' '},
+  \         {'kind': 'aliasName', 'text': 'abcd'}
+  \       ],
+  \       'codeActions': [
+  \         {
+  \           'description': 'Import default ''abcd'' from module "./foo"',
+  \           'changes': [],
+  \         },
+  \       ],
+  \     },
+  \   ],
+  \ })
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