Merge pull request #11989 from Weypare/textEdit

LSP/completion: add textEdit support
This commit is contained in:
Matthieu Coudron
2020-04-20 21:31:19 +02:00
committed by GitHub
2 changed files with 47 additions and 2 deletions

View File

@@ -157,11 +157,23 @@ local function sort_completion_items(items)
end
end
-- Returns text that should be inserted when selecting completion item. The precedence is as follows:
-- textEdit.newText > insertText > label
-- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_completion
local function get_completion_word(item)
if item.textEdit ~= nil and item.textEdit.newText ~= nil then
return item.textEdit.newText
elseif item.insertText ~= nil then
return item.insertText
end
return item.label
end
-- Some lanuguage servers return complementary candidates whose prefixes do not match are also returned.
-- So we exclude completion candidates whose prefix does not match.
local function remove_unmatch_completion_items(items, prefix)
return vim.tbl_filter(function(item)
local word = item.insertText or item.label
local word = get_completion_word(item)
return vim.startswith(word, prefix)
end, items)
end
@@ -193,7 +205,7 @@ function M.text_document_completion_list_to_complete_items(result, prefix)
end
end
local word = completion_item.insertText or completion_item.label
local word = get_completion_word(completion_item)
table.insert(matches, {
word = word,
abbr = completion_item.label,

View File

@@ -812,4 +812,37 @@ describe('LSP', function()
}, buf_lines(1))
end)
end)
describe('completion_list_to_complete_items', function()
-- Completion option precedence:
-- textEdit.newText > insertText > label
-- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_completion
it('should choose right completion option', function ()
local prefix = 'foo'
local completion_list = {
-- resolves into label
{ label='foobar' },
{ label='foobar', textEdit={} },
-- resolves into insertText
{ label='foocar', insertText='foobar' },
{ label='foocar', insertText='foobar', textEdit={} },
-- resolves into textEdit.newText
{ label='foocar', insertText='foodar', textEdit={newText='foobar'} },
{ label='foocar', textEdit={newText='foobar'} }
}
local completion_list_items = {items=completion_list}
local expected = {
{ abbr = 'foobar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
{ abbr = 'foobar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = '', menu = '', word = 'foobar'},
}
eq(expected, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], completion_list, prefix))
eq(expected, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], completion_list_items, prefix))
eq({}, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], {}, prefix))
end)
end)
end)