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path: root/lua/nvim-lsp-installer/servers/ltex/init.lua
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local server = require "nvim-lsp-installer.server"
local path = require "nvim-lsp-installer.path"
local std = require "nvim-lsp-installer.installers.std"
local context = require "nvim-lsp-installer.installers.context"
local Data = require "nvim-lsp-installer.data"
local platform = require "nvim-lsp-installer.platform"

local coalesce, when = Data.coalesce, Data.when

return function(name, root_dir)
    local script_name = platform.is_win and "ltex-ls.bat" or "ltex-ls"

    return server.Server:new {
        name = name,
        root_dir = root_dir,
        homepage = "https://valentjn.github.io/vscode-ltex",
        installer = {
            context.use_github_release_file("valentjn/ltex-ls", function(version)
                return coalesce(
                    when(platform.is_mac, "ltex-ls-%s-mac-x64.tar.gz"),
                    when(platform.is_linux, "ltex-ls-%s-linux-x64.tar.gz"),
                    when(platform.is_win, "ltex-ls-%s-windows-x64.zip")
                ):format(version)
            end),
            context.capture(function(ctx)
                if platform.is_win then
                    -- todo strip components unzip
                    return std.unzip_remote(ctx.github_release_file)
                else
                    return std.untargz_remote(ctx.github_release_file)
                end
            end),
            context.capture(function(ctx)
                -- Preferably we'd not have to write a script file that captures the installed version.
                -- But in order to not break backwards compatibility for existing installations of ltex, we do it.
                return std.executable_alias(
                    script_name,
                    path.concat {
                        root_dir,
                        ("ltex-ls-%s"):format(ctx.requested_server_version),
                        "bin",
                        platform.is_win and "ltex-ls.bat" or "ltex-ls",
                    }
                )
            end),
            std.chmod("+x", { "ltex-ls" }),
        },
        pre_setup = function()
            local configs = require "lspconfig/configs"
            local util = require "lspconfig/util"

            if configs.ltex then
                return
            end

            configs.ltex = {
                default_config = {
                    filetypes = { "tex", "bib", "markdown" },
                    root_dir = util.find_git_ancestor,
                    settings = {
                        ltex = {
                            enabled = { "latex", "tex", "bib", "markdown" },
                            checkFrequency = "edit",
                            language = "en",
                            diagnosticSeverity = "information",
                            setenceCacheSize = 2000,
                            additionalRules = {
                                enablePickyRules = true,
                                motherTongue = "en",
                            },
                            dictionary = {},
                            disabledRules = {},
                            hiddenFalsePositives = {},
                        },
                    },
                },
            }
        end,
        default_options = {
            cmd = { path.concat { root_dir, script_name } },
        },
    }
end