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feat(diagnostic): add 'prefix' option to open_float (#16321)

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The 'prefix' option accepts a function or a string that is used to add a
prefix string to each diagnostic displayed in the floating window.
This commit is contained in:
Gregory Anders
2021-11-14 18:40:11 -07:00
committed by GitHub
parent 2f37ffb719
commit 3c74ba4acb
3 changed files with 113 additions and 5 deletions
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81
test/functional/lua/diagnostic_spec.lua
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@@ -1081,7 +1081,7 @@ describe('vim.diagnostic', function()
it('can show diagnostics from a specific position', function()
-- Using cursor position
eq({'1. Syntax error'}, exec_lua [[
eq({'Syntax error'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 1, 1, 1, 2),
make_warning("Some warning", 1, 3, 1, 4),
@@ -1096,7 +1096,7 @@ describe('vim.diagnostic', function()
]])
-- With specified position
eq({'1. Some warning'}, exec_lua [[
eq({'Some warning'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 1, 1, 1, 2),
make_warning("Some warning", 1, 3, 1, 4),
@@ -1111,7 +1111,7 @@ describe('vim.diagnostic', function()
]])
-- With column position past the end of the line. #16062
eq({'1. Syntax error'}, exec_lua [[
eq({'Syntax error'}, exec_lua [[
local first_line_len = #vim.api.nvim_buf_get_lines(diagnostic_bufnr, 0, 1, true)[1]
local diagnostics = {
make_error("Syntax error", 0, first_line_len + 1, 1, 0),
@@ -1325,6 +1325,81 @@ describe('vim.diagnostic', function()
eq(4, count_diagnostics_with_severity("HINT"))
eq(0, count_diagnostics_with_severity("HINT", "HINT"))
end)
it('can add a prefix to diagnostics', function()
-- Default is to add a number
eq({'1. Syntax error', '2. Some warning'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 0, 1, 0, 3),
make_warning("Some warning", 1, 1, 1, 3),
}
vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics)
local float_bufnr, winnr = vim.diagnostic.open_float(0, {show_header = false, number = "always"})
local lines = vim.api.nvim_buf_get_lines(float_bufnr, 0, -1, false)
vim.api.nvim_win_close(winnr, true)
return lines
]])
eq({'Syntax error', 'Some warning'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 0, 1, 0, 3),
make_warning("Some warning", 1, 1, 1, 3),
}
vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics)
local float_bufnr, winnr = vim.diagnostic.open_float(0, {show_header = false, prefix = ""})
local lines = vim.api.nvim_buf_get_lines(float_bufnr, 0, -1, false)
vim.api.nvim_win_close(winnr, true)
return lines
]])
eq({'1. Syntax error', '2. Some warning'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 0, 1, 0, 3),
make_warning("Some warning", 1, 1, 1, 3),
}
vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics)
local float_bufnr, winnr = vim.diagnostic.open_float(0, {
show_header = false,
prefix = function(_, i, total)
-- Only show a number if there is more than one diagnostic
if total > 1 then
return string.format("%d. ", i)
end
return ""
end,
})
local lines = vim.api.nvim_buf_get_lines(float_bufnr, 0, -1, false)
vim.api.nvim_win_close(winnr, true)
return lines
]])
eq({'Syntax error'}, exec_lua [[
local diagnostics = {
make_error("Syntax error", 0, 1, 0, 3),
}
vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics)
local float_bufnr, winnr = vim.diagnostic.open_float(0, {
show_header = false,
prefix = function(_, i, total)
-- Only show a number if there is more than one diagnostic
if total > 1 then
return string.format("%d. ", i)
end
return ""
end,
})
local lines = vim.api.nvim_buf_get_lines(float_bufnr, 0, -1, false)
vim.api.nvim_win_close(winnr, true)
return lines
]])
eq("Error executing lua: .../diagnostic.lua:0: prefix: expected 'string' or 'function', got 42",
pcall_err(exec_lua, [[ vim.diagnostic.open_float(0, { prefix = 42 }) ]]))
end)
end)
describe('setloclist()', function()