From a3521de64e8dfc2e8dbfc562fbc73502ba3e09ce Mon Sep 17 00:00:00 2001
From: delphinus <me@delphinus.dev>
Date: Tue, 25 Jun 2019 17:57:38 +0900
Subject: Use input_patterns & add comments for updating it

---
 autoload/ale/completion.vim             | 3 ++-
 rplugin/python3/deoplete/sources/ale.py | 8 +++++++-
 test/python/test_deoplete_source.py     | 6 +++++-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index 284b1e08..f0d6425d 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -59,7 +59,8 @@ let s:omni_start_map = {
 \   '<default>': '\v[a-zA-Z$_][a-zA-Z$_0-9]*$',
 \}
 
-" A map of exact characters for triggering LSP completions.
+" A map of exact characters for triggering LSP completions. Do not forget to
+" update self.input_patterns in ale.py in updating entries in this map.
 let s:trigger_character_map = {
 \   '<default>': ['.'],
 \   'typescript': ['.', '''', '"'],
diff --git a/rplugin/python3/deoplete/sources/ale.py b/rplugin/python3/deoplete/sources/ale.py
index 653bc4fc..66a09551 100644
--- a/rplugin/python3/deoplete/sources/ale.py
+++ b/rplugin/python3/deoplete/sources/ale.py
@@ -24,7 +24,13 @@ class Source(Base):
         self.rank = 1000
         self.is_bytepos = True
         self.min_pattern_length = 1
-        self.input_pattern = r'(\.|::|->)\w*$'
+        # Do not forget to update s:trigger_character_map in completion.vim in
+        # updating entries in this map.
+        self.input_patterns = {
+            '_': r'\.\w*$',
+            'rust': r'(\.|::)\w*$',
+            'typescript': r'(\.|\'|")\w*$',
+        }
 
     # Returns an integer for the start position, as with omnifunc.
     def get_complete_position(self, context):
diff --git a/test/python/test_deoplete_source.py b/test/python/test_deoplete_source.py
index d219eef1..280df2e3 100644
--- a/test/python/test_deoplete_source.py
+++ b/test/python/test_deoplete_source.py
@@ -41,7 +41,11 @@ class DeopleteSourceTest(unittest.TestCase):
         )
 
         self.assertEqual(attributes, {
-            'input_pattern': r'(\.|::|->)\w*$',
+            'input_patterns': {
+                '_': r'\.\w*$',
+                'rust': r'(\.|::)\w*$',
+                'typescript': r'(\.|\'|")\w*$',
+            },
             'is_bytepos': True,
             'mark': '[L]',
             'min_pattern_length': 1,
-- 
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