keycodex/lua/plugins/lualine.lua

return {
    'nvim-lualine/lualine.nvim',
    dependencies = {
        'nvim-tree/nvim-web-devicons',
    },
    event = { 'BufReadPost', 'BufAdd', 'BufNewFile' },
    config = function()
        -- Eviline config for lualine
        -- Author: shadmansaleh
        -- Credit: glepnir
        local lualine = require('lualine')

-- Color table for highlights
    -- stylua: ignore
    local colors = {
      bg       = 'none',
      fg       = '#bbc2cf',
      yellow   = '#ECBE7B',
      cyan     = '#008080',
      darkblue = '#081633',
      green    = '#98be65',
      orange   = '#FF8800',
      violet   = '#a9a1e1',
      magenta  = '#c678dd',
      blue     = '#51afef',
      red      = '#ec5f67',
    }

        local conditions = {
            buffer_not_empty = function()
                return vim.fn.empty(vim.fn.expand('%:t')) ~= 1
            end,
            hide_in_width = function()
                return vim.fn.winwidth(0) > 80
            end,
            check_git_workspace = function()
                local filepath = vim.fn.expand('%:p:h')
                local gitdir = vim.fn.finddir('.git', filepath .. ';')
                return gitdir and #gitdir > 0 and #gitdir < #filepath
            end,
        }

        -- Config
        local config = {
            options = {
                -- Disable sections and component separators
                component_separators = '',
                section_separators = '',
                disabled_filetypes = {
                    'NeoTree',
                    'NvimTree',
                    'Outline',
                },
                theme = {
                    -- We are going to use lualine_c an lualine_x as left and
                    -- right section. Both are highlighted by c theme .  So we
                    -- are just setting default looks o statusline
                    normal = { c = { fg = colors.fg, bg = colors.bg } },
                    inactive = { c = { fg = colors.fg, bg = colors.bg } },
                },
            },
            sections = {
                -- these are to remove the defaults
                lualine_a = {},
                lualine_b = {},
                lualine_y = {},
                lualine_z = {},
                -- These will be filled later
                lualine_c = {},
                lualine_x = {},
            },
            inactive_sections = {
                -- these are to remove the defaults
                lualine_a = {},
                lualine_b = {},
                lualine_y = {},
                lualine_z = {},
                lualine_c = {},
                lualine_x = {},
            },
        }

        -- Inserts a component in lualine_c at left section
        local function ins_left(component)
            table.insert(config.sections.lualine_c, component)
        end

        -- Inserts a component in lualine_x at right section
        local function ins_right(component)
            table.insert(config.sections.lualine_x, component)
        end

        ins_left({
            function()
                return '▊'
            end,
            color = { fg = colors.blue }, -- Sets highlighting of component
            padding = { left = 0, right = 1 }, -- We don't need space before this
        })

        ins_left({
            -- mode component
            function()
                return ''
            end,
            color = function()
                -- auto change color according to neovims mode
                local mode_color = {
                    n = colors.red,
                    i = colors.green,
                    v = colors.blue,
                    ['␖'] = colors.blue,
                    V = colors.blue,
                    c = colors.magenta,
                    no = colors.red,
                    s = colors.orange,
                    S = colors.orange,
                    ['␓'] = colors.orange,
                    ic = colors.yellow,
                    R = colors.violet,
                    Rv = colors.violet,
                    cv = colors.red,
                    ce = colors.red,
                    r = colors.cyan,
                    rm = colors.cyan,
                    ['r?'] = colors.cyan,
                    ['!'] = colors.red,
                    t = colors.red,
                }
                return { fg = mode_color[vim.fn.mode()] }
            end,
            padding = { right = 1 },
        })

        ins_left({
            'filename',
            cond = conditions.buffer_not_empty,
            color = { fg = colors.magenta, gui = 'bold' },
        })

        ins_left({
            'diagnostics',
            sources = { 'nvim_diagnostic' },
            symbols = { error = ' ', warn = ' ', info = ' ' },
            diagnostics_color = {
                error = { fg = colors.red },
                warn = { fg = colors.yellow },
                info = { fg = colors.cyan },
            },
        })

        -- Insert mid section. You can make any number of sections in neovim :)
        -- for lualine it's any number greater then 2
        ins_left({
            function()
                return '%='
            end,
        })

        ins_left({
            -- Lsp server name .
            function()
                local msg = 'No Active Lsp'
                local buf_ft = vim.api.nvim_buf_get_option(0, 'filetype')
                local clients = vim.lsp.get_clients()
                if next(clients) == nil then
                    return msg
                end
                for _, client in ipairs(clients) do
                    local filetypes = client.config.filetypes
                    if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
                        return client.name
                    end
                end
                return msg
            end,
            icon = ' LSP:',
            color = { fg = '#ffffff', gui = 'bold' },
        })

        ins_right({
            'diff',
            -- Is it me or the symbol for modified us really weird
            symbols = { added = ' ', modified = ' ', removed = ' ' },
            diff_color = {
                added = { fg = colors.green },
                modified = { fg = colors.orange },
                removed = { fg = colors.red },
            },
            cond = conditions.hide_in_width,
        })

        ins_right({
            'branch',
            icon = '',
            color = { fg = colors.violet, gui = 'bold' },
        })

        ins_right({
            function()
                return '▊'
            end,
            color = { fg = colors.blue },
            padding = { left = 1 },
        })

        -- Now don't forget to initialize lualine
        lualine.setup(config)
    end,
}