nvim-tree.lua/lua/nvim-tree/renderer/decorator/diagnostics.lua
Igor Lacerda fefa335f1c
feat(#1826): add diagnostics.diagnostic_opts: vim.diagnostic.Opts will override diagnostics.severity and diagnostics.icons (#3190)
* feat(#1826): allow using config from vim.diagnostic for icons + severity

* update help default options, add index

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Co-authored-by: Alexander Courtis <alex@courtis.org>
2025-08-25 13:22:05 +10:00

118 lines
3.6 KiB
Lua

local diagnostics = require("nvim-tree.diagnostics")
local Decorator = require("nvim-tree.renderer.decorator")
local DirectoryNode = require("nvim-tree.node.directory")
-- highlight groups by severity
local HG_ICON = {
[vim.diagnostic.severity.ERROR] = "NvimTreeDiagnosticErrorIcon",
[vim.diagnostic.severity.WARN] = "NvimTreeDiagnosticWarnIcon",
[vim.diagnostic.severity.INFO] = "NvimTreeDiagnosticInfoIcon",
[vim.diagnostic.severity.HINT] = "NvimTreeDiagnosticHintIcon",
}
local HG_FILE = {
[vim.diagnostic.severity.ERROR] = "NvimTreeDiagnosticErrorFileHL",
[vim.diagnostic.severity.WARN] = "NvimTreeDiagnosticWarnFileHL",
[vim.diagnostic.severity.INFO] = "NvimTreeDiagnosticInfoFileHL",
[vim.diagnostic.severity.HINT] = "NvimTreeDiagnosticHintFileHL",
}
local HG_FOLDER = {
[vim.diagnostic.severity.ERROR] = "NvimTreeDiagnosticErrorFolderHL",
[vim.diagnostic.severity.WARN] = "NvimTreeDiagnosticWarnFolderHL",
[vim.diagnostic.severity.INFO] = "NvimTreeDiagnosticInfoFolderHL",
[vim.diagnostic.severity.HINT] = "NvimTreeDiagnosticHintFolderHL",
}
-- opts.diagnostics.icons.
local ICON_KEYS = {
["error"] = vim.diagnostic.severity.ERROR,
["warning"] = vim.diagnostic.severity.WARN,
["info"] = vim.diagnostic.severity.INFO,
["hint"] = vim.diagnostic.severity.HINT,
}
---@class (exact) DiagnosticsDecorator: Decorator
---@field private explorer Explorer
---@field private diag_icons HighlightedString[]?
local DiagnosticsDecorator = Decorator:extend()
---@class DiagnosticsDecorator
---@overload fun(args: DecoratorArgs): DiagnosticsDecorator
---@protected
---@param args DecoratorArgs
function DiagnosticsDecorator:new(args)
self.explorer = args.explorer
self.enabled = true
self.highlight_range = self.explorer.opts.renderer.highlight_diagnostics or "none"
self.icon_placement = self.explorer.opts.renderer.icons.diagnostics_placement or "none"
local vim_diagnostic_icons = {}
if self.explorer.opts.diagnostics.diagnostic_opts then
local vim_diagnostic_config = vim.diagnostic.config() or {}
local signs = vim_diagnostic_config.signs or {}
if type(signs) == "function" then
signs = signs(0, 0)
end
vim_diagnostic_icons = (type(signs) == "table" and signs.text) or {}
end
if self.explorer.opts.renderer.icons.show.diagnostics then
self.diag_icons = {}
for name, sev in pairs(ICON_KEYS) do
self.diag_icons[sev] = {
str = vim_diagnostic_icons[sev] or self.explorer.opts.diagnostics.icons[name],
hl = { HG_ICON[sev] },
}
self:define_sign(self.diag_icons[sev])
end
end
end
---Diagnostic icon: diagnostics.enable, renderer.icons.show.diagnostics and node has status
---@param node Node
---@return HighlightedString[]? icons
function DiagnosticsDecorator:icons(node)
if node and self.diag_icons then
local diag_status = diagnostics.get_diag_status(node)
local diag_value = diag_status and diag_status.value
if diag_value then
return { self.diag_icons[diag_value] }
end
end
end
---Diagnostic highlight: diagnostics.enable, renderer.highlight_diagnostics and node has status
---@param node Node
---@return string? highlight_group
function DiagnosticsDecorator:highlight_group(node)
if self.highlight_range == "none" then
return nil
end
local diag_status = diagnostics.get_diag_status(node)
local diag_value = diag_status and diag_status.value
if not diag_value then
return nil
end
local group
if node:is(DirectoryNode) then
group = HG_FOLDER[diag_value]
else
group = HG_FILE[diag_value]
end
if group then
return group
else
return nil
end
end
return DiagnosticsDecorator