feat: diagnostics support (#95)
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Hubert Pelczarski
GitHub
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commit
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README.md
37
README.md
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@ -132,16 +132,17 @@ lualine.inactive_sections = {
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<summary><b>Available components</b></summary>
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* general
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* branch
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* encoding
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* fileformat
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* branch (git branch)
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* diagnostics (diagnostics count from your prefered source)
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* encoding (file encoding)
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* fileformat (file format)
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* filename
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* filetype
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* location
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* mode
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* progress
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* location (location in file in line:column format)
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* mode (vim mode)
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* progress (%progress in file)
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* plugin
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* signify
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* signify (signify status)
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</details>
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@ -219,6 +220,16 @@ color | nil | Sets custom color for the component in this format<br></br>`color
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In addition, some components have unique options.
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* `diagnostics` component options
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Option | Default | Behaviour | Format
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:------: | :------: | :----: | :---:
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sources | `nil` | displays diagnostic count from defined source | array containing one or many string from set `{'nvim_lsp', 'coc', 'ale'}`
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sections | `{'error', 'warn', 'info'}` | displays diagnostics of defined severity | array containing one or many string from set `{'error', 'warn', 'info'}`
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color_error | `DiffDelete` foreground color | changes diagnostic's error section foreground color | color in `#rrggbb` format
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color_warn | `DiffText` foreground color | changes diagnostic's warn section foreground color | color in `#rrggbb` format
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color_info | `Normal` foreground color | changes diagnostic's info section foreground color | color in `#rrggbb` format
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* `filename` component options
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Option | Default | Behaviour
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@ -229,12 +240,12 @@ shorten | true | if `full_path` is true and `shorten` is `false` it shortens abs
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* `signify` component options
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Option | Default | Behaviour
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:------: | :------: | :----:
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colored | true | displays signify status in color if set to `true`
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color_added | `diffAdd` foreground color | changes signify's added section foreground color
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color_modified | `diffChange` foreground color | changes signify's changed section foreground color
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color_removed | `diffDelete` foreground color | changes signify's removed section foreground color
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Option | Default | Behaviour | Format
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:------: | :------: | :----: | :---:
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colored | true | displays signify status in color if set to `true` |
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color_added | `DiffAdd` foreground color | changes signify's added section foreground color | color in `#rrggbb` format
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color_modified | `DiffChange` foreground color | changes signify's changed section foreground color | color in `#rrggbb` format
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color_removed | `DiffDelete` foreground color | changes signify's removed section foreground color | color in `#rrggbb` format
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##### Component options example
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@ -0,0 +1,133 @@
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-- Copyright (c) 2020-2021 hoob3rt
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-- MIT license, see LICENSE for more details.
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local highlight = require('lualine.highlight')
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local utils = require('lualine.utils.utils')
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local default_color_error = '#e32636'
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local default_color_warn = '#ffdf00'
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local default_color_info = '#ffffff'
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local diagnostic_sources = {
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nvim_lsp = function()
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local error_count = vim.lsp.diagnostic.get_count(0, 'Error')
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local warning_count = vim.lsp.diagnostic.get_count(0, 'Warning')
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local info_count = vim.lsp.diagnostic.get_count(0, 'Information') +
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vim.lsp.diagnostic.get_count(0, 'Hint')
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return error_count, warning_count, info_count
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end,
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coc = function()
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local data = vim.b.coc_diagnostic_info
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if data then
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return data.error, data.warning, data.information
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else
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return 0, 0, 0
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end
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end,
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ale = function()
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local ok, data = pcall(vim.fn['ale#statusline#Count'], vim.fn.bufnr())
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if ok then
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return data.error, data.warning, data.info
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else
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return 0, 0, 0
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end
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end,
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}
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local function get_diagnostics(sources)
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local result = {}
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for index, source in ipairs(sources) do
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local error_count, warning_count, info_count = diagnostic_sources[source]()
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result[index] = {error = error_count, warn = warning_count, info = info_count}
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end
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return result
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end
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local function diagnostics(options)
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local symbols
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if options.icons_enabled then
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symbols = {
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error = ' ', -- xf659
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warn = ' ', -- xf529
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info = ' ', -- xf7fc
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}
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else
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symbols = {
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error = 'E:',
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warn = 'W:',
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info = 'I:'
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}
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end
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if options.sources == nil then
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print('no sources for diagnostics configured')
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return ''
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end
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if options.sections == nil then options.sections = {'error', 'warn', 'info'} end
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if options.colored == nil then options.colored = true end
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-- apply colors
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if not options.color_error then
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options.color_error = utils.extract_highlight_colors('DiffDelete', 'foreground') or default_color_error
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end
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if not options.color_warn then
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options.color_warn = utils.extract_highlight_colors('DiffText', 'foreground') or default_color_warn
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end
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if not options.color_info then
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options.color_info = utils.extract_highlight_colors('Normal', 'foreground') or default_color_info
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end
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local highlight_groups = {}
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local function add_highlights()
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highlight_groups = {
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error = highlight.create_component_highlight_group({ fg = options.color_error }, 'diagnostics_error', options),
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warn = highlight.create_component_highlight_group({ fg = options.color_warn }, 'diagnostics_warn', options),
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info = highlight.create_component_highlight_group({ fg = options.color_info }, 'diagnostics_info', options),
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}
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end
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if options.colored then
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add_highlights()
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utils.expand_set_theme(add_highlights)
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end
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return function()
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local error_count, warning_count, info_count = 0,0,0
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local diagnostic_data = get_diagnostics(options.sources)
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for _, data in pairs(diagnostic_data) do
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error_count = error_count + data.error
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warning_count = warning_count + data.warn
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info_count = info_count + data.info
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end
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local result = {}
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local data = {
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error = error_count,
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warn = warning_count,
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info = info_count,
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}
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if options.colored then
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local colors = {}
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for name, hl in pairs(highlight_groups) do
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colors[name] = highlight.component_format_highlight(hl)
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end
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for _, section in ipairs(options.sections) do
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if data[section] ~= nil and data[section] > 0 then
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table.insert(result, colors[section]..symbols[section]..data[section])
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end
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end
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else
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for _, section in ipairs(options.sections) do
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if data[section] ~= nil and data[section] > 0 then
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table.insert(result,symbols[section]..data[section])
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end
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end
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end
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if result[1] ~= nil then
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return table.concat(result, ' ')
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else
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return ''
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end
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end
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end
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return {
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init = function(options) return diagnostics(options) end,
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get_diagnostics = get_diagnostics,
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}
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