From 82fa2a008a3bfab763fbf6035036af462122c0c3 Mon Sep 17 00:00:00 2001
From: JuanZoran <1430359574@qq.com>
Date: Fri, 24 Mar 2023 00:56:36 +0800
Subject: [PATCH] style: code format use lua_ls

---
 lua/Trans/backend/baidu.lua          |   8 +-
 lua/Trans/backend/iciba.lua          |   3 +-
 lua/Trans/backend/offline.lua        | 110 +++++++++++++-------------
 lua/Trans/backend/youdao.lua         | 111 +++++++++++++--------------
 lua/Trans/core/backend.lua           |   8 +-
 lua/Trans/core/conf.lua              |   9 +--
 lua/Trans/core/data.lua              |   4 +-
 lua/Trans/core/frontend.lua          |   4 +-
 lua/Trans/core/immersive.lua         |  22 +++---
 lua/Trans/core/install.lua           |   8 +-
 lua/Trans/core/setup.lua             |   4 +-
 lua/Trans/core/translate.lua         |   4 +-
 lua/Trans/core/util.lua              |  21 +++--
 lua/Trans/core/window.lua            |  22 +++---
 lua/Trans/frontend/hover/execute.lua |   8 +-
 lua/Trans/frontend/hover/init.lua    |  22 +++---
 lua/Trans/frontend/hover/load.lua    |   6 +-
 lua/Trans/frontend/hover/offline.lua |  10 +--
 lua/Trans/health.lua                 |  50 ++++++------
 lua/Trans/init.lua                   |  12 +--
 lua/Trans/util/init.lua              |  16 ----
 lua/Trans/util/node.lua              |  12 +--
 22 files changed, 227 insertions(+), 247 deletions(-)
 delete mode 100644 lua/Trans/util/init.lua

diff --git a/lua/Trans/backend/baidu.lua b/lua/Trans/backend/baidu.lua
index 1a96717..38984c6 100644
--- a/lua/Trans/backend/baidu.lua
+++ b/lua/Trans/backend/baidu.lua
@@ -5,14 +5,14 @@
 ---@field app_passwd string
 ---@field disable boolean
 local M = {
-    uri    = "https://fanyi-api.baidu.com/api/trans/vip/translate",
+    uri    = 'https://fanyi-api.baidu.com/api/trans/vip/translate',
     salt   = tostring(math.random(bit.lshift(1, 15))),
-    name   = "baidu",
+    name   = 'baidu',
     method = 'get',
 }
 
 
-local Trans = require("Trans")
+local Trans = require 'Trans'
 
 ---@class BaiduQuery
 ---@field q string
@@ -52,7 +52,7 @@ function M.formatter(body, data)
     result = result[1]
     return {
         str = result.src,
-        [data.from == "en" and "translation" or "definition"] = { result.dst },
+        [data.from == 'en' and 'translation' or 'definition'] = { result.dst },
     }
 end
 
diff --git a/lua/Trans/backend/iciba.lua b/lua/Trans/backend/iciba.lua
index 6857134..121dfed 100644
--- a/lua/Trans/backend/iciba.lua
+++ b/lua/Trans/backend/iciba.lua
@@ -20,9 +20,8 @@ function M.get_query(data)
     }
 end
 
-
 function M.formatter(body, data)
-    print('TODO')
+    print 'TODO'
     -- if true and not status or not body or body.errorCode ~= "0" then
     --     data.result.iciba = false
     --     data[#data + 1] = res
diff --git a/lua/Trans/backend/offline.lua b/lua/Trans/backend/offline.lua
index eaed48c..b3b2a46 100644
--- a/lua/Trans/backend/offline.lua
+++ b/lua/Trans/backend/offline.lua
@@ -1,10 +1,10 @@
-local Trans   = require("Trans")
+local Trans   = require 'Trans'
 
-local db      = require("sqlite.db")
-local path    = Trans.conf.dir .. Trans.separator .. "ultimate.db"
+local db      = require 'sqlite.db'
+local path    = Trans.conf.dir .. Trans.separator .. 'ultimate.db'
 local dict    = db:open(path)
-local db_name = "stardict"
-vim.api.nvim_create_autocmd("VimLeavePre", {
+local db_name = 'stardict'
+vim.api.nvim_create_autocmd('VimLeavePre', {
     callback = function()
         if db:isopen() then db:close() end
     end,
@@ -12,7 +12,7 @@ vim.api.nvim_create_autocmd("VimLeavePre", {
 
 ---@class TransOfflineBackend
 local M = {
-    name    = "offline",
+    name    = 'offline',
     no_wait = true,
 }
 
@@ -20,7 +20,7 @@ local M = {
 ---@return any
 ---@overload fun(TransData): TransResult
 function M.query(data)
-    if data.is_word == false or data.from == "zh" then
+    if data.is_word == false or data.from == 'zh' then
         return
     end
 
@@ -35,19 +35,19 @@ end
 
 -- this is a awesome plugin
 M.query_field = {
-    "word",
-    "phonetic",
-    "definition",
-    "translation",
-    "pos",
-    "collins",
-    "oxford",
-    "tag",
-    "exchange",
+    'word',
+    'phonetic',
+    'definition',
+    'translation',
+    'pos',
+    'collins',
+    'oxford',
+    'tag',
+    'exchange',
 }
 
 local function exist(str)
-    return str and str ~= ""
+    return str and str ~= ''
 end
 
 ---@type (fun(res):any)[]
@@ -71,18 +71,18 @@ local formatter = {
             return
         end
         local tag_map = {
-            zk    = "中考",
-            gk    = "高考",
-            ky    = "考研",
-            gre   = "gre ",
-            cet4  = "四级",
-            cet6  = "六级",
-            ielts = "雅思",
-            toefl = "托福",
+            zk    = '中考',
+            gk    = '高考',
+            ky    = '考研',
+            gre   = 'gre ',
+            cet4  = '四级',
+            cet6  = '六级',
+            ielts = '雅思',
+            toefl = '托福',
         }
 
         local tag = {}
-        for i, _tag in ipairs(vim.split(res.tag, " ", { plain = true })) do
+        for i, _tag in ipairs(vim.split(res.tag, ' ', { plain = true })) do
             tag[i] = tag_map[_tag]
         end
 
@@ -93,20 +93,20 @@ local formatter = {
             return
         end
         local exchange_map = {
-            ["0"] = "原型        ",
-            ["1"] = "类别        ",
-            ["p"] = "过去式      ",
-            ["r"] = "比较级      ",
-            ["t"] = "最高级      ",
-            ["s"] = "复数        ",
-            ["d"] = "过去分词    ",
-            ["i"] = "现在分词    ",
-            ["3"] = "第三人称单数",
-            ["f"] = "第三人称单数",
+            ['0'] = '原型        ',
+            ['1'] = '类别        ',
+            ['p'] = '过去式      ',
+            ['r'] = '比较级      ',
+            ['t'] = '最高级      ',
+            ['s'] = '复数        ',
+            ['d'] = '过去分词    ',
+            ['i'] = '现在分词    ',
+            ['3'] = '第三人称单数',
+            ['f'] = '第三人称单数',
         }
 
         local exchange = {}
-        for _, _exchange in ipairs(vim.split(res.exchange, "/", { plain = true })) do
+        for _, _exchange in ipairs(vim.split(res.exchange, '/', { plain = true })) do
             exchange[exchange_map[_exchange:sub(1, 1)]] = _exchange:sub(3)
         end
 
@@ -117,24 +117,24 @@ local formatter = {
             return
         end
         local pos_map = {
-            a = "代词pron         ",
-            c = "连接词conj       ",
-            i = "介词prep         ",
-            j = "形容词adj        ",
-            m = "数词num          ",
-            n = "名词n            ",
-            p = "代词pron         ",
-            r = "副词adv          ",
-            u = "感叹词int        ",
-            v = "动词v            ",
-            x = "否定标记not      ",
-            t = "不定式标记infm   ",
-            d = "限定词determiner ",
+            a = '代词pron         ',
+            c = '连接词conj       ',
+            i = '介词prep         ',
+            j = '形容词adj        ',
+            m = '数词num          ',
+            n = '名词n            ',
+            p = '代词pron         ',
+            r = '副词adv          ',
+            u = '感叹词int        ',
+            v = '动词v            ',
+            x = '否定标记not      ',
+            t = '不定式标记infm   ',
+            d = '限定词determiner ',
         }
 
         local pos = {}
-        for _, _pos in ipairs(vim.split(res.pos, "/", { plain = true })) do
-            pos[pos_map[_pos:sub(1, 1)]] = ("%2s%%"):format(_pos:sub(3))
+        for _, _pos in ipairs(vim.split(res.pos, '/', { plain = true })) do
+            pos[pos_map[_pos:sub(1, 1)]] = ('%2s%%'):format(_pos:sub(3))
         end
 
         return pos
@@ -144,7 +144,7 @@ local formatter = {
             return
         end
         local translation = {}
-        for i, _translation in ipairs(vim.split(res.translation, "\n", { plain = true })) do
+        for i, _translation in ipairs(vim.split(res.translation, '\n', { plain = true })) do
             translation[i] = _translation
         end
 
@@ -155,9 +155,9 @@ local formatter = {
             return
         end
         local definition = {}
-        for i, _definition in ipairs(vim.split(res.definition, "\n", { plain = true })) do
+        for i, _definition in ipairs(vim.split(res.definition, '\n', { plain = true })) do
             --     -- TODO :判断是否需要分割空格
-            definition[i] = _definition:gsub("^%s+", "", 1)
+            definition[i] = _definition:gsub('^%s+', '', 1)
         end
 
         return definition
diff --git a/lua/Trans/backend/youdao.lua b/lua/Trans/backend/youdao.lua
index d9d967b..d62961f 100644
--- a/lua/Trans/backend/youdao.lua
+++ b/lua/Trans/backend/youdao.lua
@@ -55,31 +55,31 @@ end
 
 local function check_untracked_field(body)
     local field = {
-        "phonetic",
+        'phonetic',
         'usPhonetic',
-        "ukPhonetic",
-        "text",           --	text	短语
-        "explain",        --	String Array	词义解释列表
-        "wordFormats",    --	Object Array	单词形式变化列表
-        "name",           --	String	形式名称，例如：复数
-        "phrase",         --	String	词组
-        "meaning",        --	String	含义
-        "synonyms",       --	JSONObject	近义词
-        "pos",            --	String	词性
-        "words",          --	String Array	近义词列表
-        "trans",          --	String	释义
-        "antonyms",       --	ObjectArray	反义词
-        "relatedWords",   --	JSONArray	相关词
-        "wordNet",        --	JSONObject	汉语词典网络释义
-        "phonetic",       --	String	发音
-        "meanings",       --	ObjectArray	释义
-        "meaning",        --	String	释义
-        "example",        --	array	示例
-        "sentenceSample", --	text	例句
-        "sentence",       --	text	例句
-        "sentenceBold",   --	text	将查询内容加粗的例句
-        "wfs",            --	text	单词形式变化
-        "exam_type",      --	text	考试类型
+        'ukPhonetic',
+        'text',           --	text	短语
+        'explain',        --	String Array	词义解释列表
+        'wordFormats',    --	Object Array	单词形式变化列表
+        'name',           --	String	形式名称，例如：复数
+        'phrase',         --	String	词组
+        'meaning',        --	String	含义
+        'synonyms',       --	JSONObject	近义词
+        'pos',            --	String	词性
+        'words',          --	String Array	近义词列表
+        'trans',          --	String	释义
+        'antonyms',       --	ObjectArray	反义词
+        'relatedWords',   --	JSONArray	相关词
+        'wordNet',        --	JSONObject	汉语词典网络释义
+        'phonetic',       --	String	发音
+        'meanings',       --	ObjectArray	释义
+        'meaning',        --	String	释义
+        'example',        --	array	示例
+        'sentenceSample', --	text	例句
+        'sentence',       --	text	例句
+        'sentenceBold',   --	text	将查询内容加粗的例句
+        'wfs',            --	text	单词形式变化
+        'exam_type',      --	text	考试类型
     }
     for _, f in ipairs(field) do
         if body[f] then
@@ -96,33 +96,33 @@ function M.debug(body)
         vim.notify('Unknown errors, nil body', vim.log.levels.ERROR)
     end
     local debug_msg = ({
-        [101] = "缺少必填的参数,首先确保必填参数齐全，然后确认参数书写是否正确。",
-        [102] = "不支持的语言类型",
-        [103] = "翻译文本过长",
-        [104] = "不支持的API类型",
-        [105] = "不支持的签名类型",
-        [106] = "不支持的响应类型",
-        [107] = "不支持的传输加密类型",
-        [108] = "应用ID无效，注册账号，登录后台创建应用和实例并完成绑定，可获得应用ID和应用密钥等信息",
-        [109] = "batchLog格式不正确",
-        [110] = "无相关服务的有效实例,应用没有绑定服务实例，可以新建服务实例，绑定服务实例。注：某些服务的翻译结果发音需要tts实例，需要在控制台创建语音合成实例绑定应用后方能使用。",
-        [111] = "开发者账号无效",
-        [113] = "q不能为空",
-        [120] = "不是词，或未收录",
-        [201] = "解密失败，可能为DES,BASE64,URLDecode的错误",
-        [202] = "签名检验失败",
-        [203] = "访问IP地址不在可访问IP列表",
-        [205] = "请求的接口与应用的平台类型不一致，确保接入方式（Android SDK、IOS SDK、API）与创建的应用平台类型一致。如有疑问请参考入门指南",
-        [206] = "因为时间戳无效导致签名校验失败",
-        [207] = "重放请求",
-        [301] = "辞典查询失败",
-        [302] = "翻译查询失败",
-        [303] = "服务端的其它异常",
-        [305] = "批量翻译部分成功",
-        [401] = "账户已经欠费，请进行账户充值",
-        [411] = "访问频率受限,请稍后访问",
-        [412] = "长请求过于频繁，请稍后访问",
-        [390001] = "词典名称不正确",
+        [101] = '缺少必填的参数,首先确保必填参数齐全，然后确认参数书写是否正确。',
+        [102] = '不支持的语言类型',
+        [103] = '翻译文本过长',
+        [104] = '不支持的API类型',
+        [105] = '不支持的签名类型',
+        [106] = '不支持的响应类型',
+        [107] = '不支持的传输加密类型',
+        [108] = '应用ID无效，注册账号，登录后台创建应用和实例并完成绑定，可获得应用ID和应用密钥等信息',
+        [109] = 'batchLog格式不正确',
+        [110] = '无相关服务的有效实例,应用没有绑定服务实例，可以新建服务实例，绑定服务实例。注：某些服务的翻译结果发音需要tts实例，需要在控制台创建语音合成实例绑定应用后方能使用。',
+        [111] = '开发者账号无效',
+        [113] = 'q不能为空',
+        [120] = '不是词，或未收录',
+        [201] = '解密失败，可能为DES,BASE64,URLDecode的错误',
+        [202] = '签名检验失败',
+        [203] = '访问IP地址不在可访问IP列表',
+        [205] = '请求的接口与应用的平台类型不一致，确保接入方式（Android SDK、IOS SDK、API）与创建的应用平台类型一致。如有疑问请参考入门指南',
+        [206] = '因为时间戳无效导致签名校验失败',
+        [207] = '重放请求',
+        [301] = '辞典查询失败',
+        [302] = '翻译查询失败',
+        [303] = '服务端的其它异常',
+        [305] = '批量翻译部分成功',
+        [401] = '账户已经欠费，请进行账户充值',
+        [411] = '访问频率受限,请稍后访问',
+        [412] = '长请求过于频繁，请稍后访问',
+        [390001] = '词典名称不正确',
     })[tonumber(body.errorCode)]
 
     vim.notify('Youdao API Error: ' .. (debug_msg or vim.inspect(body)), vim.log.levels.ERROR)
@@ -134,7 +134,7 @@ end
 ---@param data TransData Data obj
 ---@return table|false?
 function M.formatter(body, data)
-    if body.errorCode ~= "0" then return false end
+    if body.errorCode ~= '0' then return false end
     check_untracked_field(body)
 
     if not body.isWord then
@@ -146,15 +146,14 @@ function M.formatter(body, data)
 
 
     return {
-        title    = {
+        title                                                 = {
             word     = body.query,
             phonetic = body.basic.phonetic,
         },
-        web      = body.web,
-        explains = body.basic.explains,
+        web                                                   = body.web,
+        explains                                              = body.basic.explains,
         [data.from == 'en' and 'translation' or 'definition'] = body.translation,
     }
-
 end
 
 ---@class TransBackend
diff --git a/lua/Trans/core/backend.lua b/lua/Trans/core/backend.lua
index ce80914..bbb6390 100644
--- a/lua/Trans/core/backend.lua
+++ b/lua/Trans/core/backend.lua
@@ -1,4 +1,4 @@
-local Trans = require('Trans')
+local Trans = require 'Trans'
 
 
 ---@class TransBackend
@@ -18,12 +18,12 @@ local Trans = require('Trans')
 local conf = Trans.conf
 --- INFO :Parse online engine keys config file
 local path = conf.dir .. '/Trans.json'
-local file = io.open(path, "r")
+local file = io.open(path, 'r')
 
 
 local user_conf = {}
 if file then
-    local content = file:read("*a")
+    local content = file:read '*a'
     user_conf = vim.json.decode(content) or user_conf
     file:close()
 end
@@ -56,5 +56,5 @@ return setmetatable({
 
         self[name] = backend
         return backend
-    end
+    end,
 })
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
index c691895..3652ad8 100644
--- a/lua/Trans/core/conf.lua
+++ b/lua/Trans/core/conf.lua
@@ -5,7 +5,7 @@
 ---@class TransConf
 return {
     ---@type string the directory for database file and password file
-    dir      = require('Trans').relative_path({ 'extra' }, true),
+    dir      = require 'Trans'.relative_path({ 'extra' }, true),
     debug    = true,
     ---@type 'default' | 'dracula' | 'tokyonight' global Trans theme [see lua/Trans/style/theme.lua]
     theme    = 'default', -- default | tokyonight | dracula
@@ -23,7 +23,7 @@ return {
         default = {
             query     = 'fallback',
             border    = 'rounded',
-            title     = vim.fn.has('nvim-0.9') == 1 and {
+            title     = vim.fn.has 'nvim-0.9' == 1 and {
                     { '',       'TransTitleRound' },
                     { ' Trans', 'TransTitle' },
                     { '',       'TransTitleRound' },
@@ -49,7 +49,7 @@ return {
             fallback_message  = '{{notfound}} 翻译超时或没有找到相关的翻译',
             auto_resize       = true,
             split_width       = 60,
-            padding           = 10,      -- padding for hover window width
+            padding           = 10, -- padding for hover window width
             keymaps           = {
                 pageup       = '[[',
                 pagedown     = ']]',
@@ -84,9 +84,8 @@ return {
                     'translation',
                     'definition',
                     'web',
-                }
+                },
             },
-            ---@type table<string, string>
             icon              = {
                 -- or use emoji
                 list        = '●', -- ● | ○ | ◉ | ◯ | ◇ | ◆ | ▪ | ▫ | ⬤ | 🟢 | 🟡 | 🟣 | 🟤 | 🟠| 🟦 | 🟨 | 🟧 | 🟥 | 🟪 | 🟫 | 🟩 | 🟦
diff --git a/lua/Trans/core/data.lua b/lua/Trans/core/data.lua
index ee576da..35f4ea6 100644
--- a/lua/Trans/core/data.lua
+++ b/lua/Trans/core/data.lua
@@ -1,4 +1,4 @@
-local Trans = require('Trans')
+local Trans = require 'Trans'
 
 
 ---@class TransData
@@ -21,8 +21,8 @@ function M.new(opts)
     local mode = opts.mode
     local str  = opts.str
 
-    local strategy = Trans.conf.strategy[mode]
 
+    local strategy = Trans.conf.strategy[mode]
     local data = setmetatable({
         str    = str,
         mode   = mode,
diff --git a/lua/Trans/core/frontend.lua b/lua/Trans/core/frontend.lua
index ded3ddd..148831b 100644
--- a/lua/Trans/core/frontend.lua
+++ b/lua/Trans/core/frontend.lua
@@ -1,4 +1,4 @@
-local Trans = require('Trans')
+local Trans = require 'Trans'
 local conf = Trans.conf
 local frontend_opts = conf.frontend
 
@@ -50,5 +50,5 @@ return setmetatable({}, {
         set_frontend_keymap(frontend)
 
         return frontend
-    end
+    end,
 })
diff --git a/lua/Trans/core/immersive.lua b/lua/Trans/core/immersive.lua
index 6c48b97..a86354b 100644
--- a/lua/Trans/core/immersive.lua
+++ b/lua/Trans/core/immersive.lua
@@ -4,22 +4,22 @@ local function trans()
 
     -- TODO : trim empty lines in the beginning and the end
     for index, line in ipairs(lines) do
-        if line:match('%S+') then
+        if line:match '%S+' then
             table.insert(paragraphs, { index - 1, line })
         end
     end
 
 
-    local Trans = require('Trans')
+    local Trans = require 'Trans'
     local baidu = Trans.backend.baidu
     ---@cast baidu Baidu
 
     for _, line in ipairs(paragraphs) do
-        local query = baidu.get_query({
+        local query = baidu.get_query {
             str = line[2],
-            from = "en",
-            to = "zh",
-        })
+            from = 'en',
+            to = 'zh',
+        }
 
         Trans.curl.get(baidu.uri, {
             query = query,
@@ -27,9 +27,9 @@ local function trans()
                 -- vim.print(output)
                 local body = output.body
                 local status, ret = pcall(vim.json.decode, body)
-                assert(status and ret, "Failed to parse json:" .. vim.inspect(body))
+                assert(status and ret, 'Failed to parse json:' .. vim.inspect(body))
                 local result = ret.trans_result
-                assert(result, "Failed to get result: " .. vim.inspect(ret))
+                assert(result, 'Failed to get result: ' .. vim.inspect(ret))
 
 
                 result = result[1]
@@ -38,7 +38,7 @@ local function trans()
         })
     end
 
-    local ns = vim.api.nvim_create_namespace("Trans")
+    local ns = vim.api.nvim_create_namespace 'Trans'
     for _, line in ipairs(paragraphs) do
         local index = line[1]
         local co = coroutine.running()
@@ -60,12 +60,12 @@ local function trans()
         Trans.util.main_loop(function()
             vim.api.nvim_buf_set_extmark(0, ns, index, #line[2], {
                 virt_lines = {
-                    { { translation, "MoreMsg" } }
+                    { { translation, 'MoreMsg' } },
                 },
             })
         end)
 
-        print('done')
+        print 'done'
     end
     -- TODO :双语翻译
 end
diff --git a/lua/Trans/core/install.lua b/lua/Trans/core/install.lua
index 9ca7dea..b97b66f 100644
--- a/lua/Trans/core/install.lua
+++ b/lua/Trans/core/install.lua
@@ -1,7 +1,7 @@
 ---@class Trans
 ---@field install fun() Download database and tts dependencies
 return function()
-    local Trans = require('Trans')
+    local Trans = require 'Trans'
     -- INFO :Check ultimate.db exists
     local dir = Trans.conf.dir
     local path = dir .. 'ultimate.db'
@@ -26,7 +26,7 @@ return function()
 
     local handle = function(output)
         if output.exit == 0 and fn.filereadable(zip) then
-            if fn.executable('unzip') == 0 then
+            if fn.executable 'unzip' == 0 then
                 vim.notify('unzip not found, Please unzip ' .. zip .. 'manually', vim.log.ERROR)
                 return
             end
@@ -50,7 +50,7 @@ return function()
     })
 
     -- INFO : Install tts dependencies
-    if fn.has('linux') == 0 and fn.has('mac') == 0 then
-        os.execute('cd ./tts && npm install')
+    if fn.has 'linux' == 0 and fn.has 'mac' == 0 then
+        os.execute 'cd ./tts && npm install'
     end
 end
diff --git a/lua/Trans/core/setup.lua b/lua/Trans/core/setup.lua
index 8405be8..b6673d9 100644
--- a/lua/Trans/core/setup.lua
+++ b/lua/Trans/core/setup.lua
@@ -1,4 +1,4 @@
-local Trans = require('Trans')
+local Trans = require 'Trans'
 
 local function set_strategy_opts(conf)
     local all_backends = Trans.backend.all_name
@@ -21,7 +21,7 @@ local function set_strategy_opts(conf)
     setmetatable(conf.strategy, {
         __index = function()
             return default_strategy
-        end
+        end,
     })
 
     for _, strategy in pairs(conf.strategy) do
diff --git a/lua/Trans/core/translate.lua b/lua/Trans/core/translate.lua
index 895af14..bfb7d99 100644
--- a/lua/Trans/core/translate.lua
+++ b/lua/Trans/core/translate.lua
@@ -1,4 +1,4 @@
-local Trans = require('Trans')
+local Trans = require 'Trans'
 local util = Trans.util
 
 local function init_opts(opts)
@@ -19,7 +19,7 @@ local function do_query(data, backend)
     local method    = backend.method
     local formatter = backend.formatter
     local query     = backend.get_query(data)
-    local header    = type(backend.header) == "function" and backend.header(data) or backend.header
+    local header    = type(backend.header) == 'function' and backend.header(data) or backend.header
 
     local function handle(output)
         local status, body = pcall(vim.json.decode, output.body)
diff --git a/lua/Trans/core/util.lua b/lua/Trans/core/util.lua
index 903f48b..9943ac0 100644
--- a/lua/Trans/core/util.lua
+++ b/lua/Trans/core/util.lua
@@ -1,14 +1,14 @@
 local fn, api = vim.fn, vim.api
 
 ---@class TransUtil
-local M = require('Trans').metatable('util')
+local M = require 'Trans'.metatable 'util'
 
 
 ---Get selected text
 ---@return string
 function M.get_select()
-    local _start = fn.getpos("v")
-    local _end = fn.getpos('.')
+    local _start = fn.getpos 'v'
+    local _end = fn.getpos '.'
 
     if _start[2] > _end[2] or (_start[3] > _end[3] and _start[2] == _end[2]) then
         _start, _end = _end, _start
@@ -42,19 +42,19 @@ end
 function M.get_str(mode)
     return ({
         n = function()
-            return fn.expand('<cword>')
+            return fn.expand '<cword>'
         end,
         v = function()
-            api.nvim_input('<Esc>')
+            api.nvim_input '<Esc>'
             return M.get_select()
         end,
         i = function()
-            return fn.input('需要翻译的字符串: ')
+            return fn.input '需要翻译的字符串: '
         end,
         V = function()
-            print('TODO')
-        end
-    })[mode]():match('^%s*(.-)%s*$')
+            print 'TODO'
+        end,
+    })[mode]():match '^%s*(.-)%s*$'
 end
 
 ---Puase coroutine for {ms} milliseconds
@@ -103,7 +103,6 @@ function M.display_width(lines)
     return width
 end
 
-
 ---Center node utility function
 ---@param node string -- TODO :Node
 ---@param win_width integer window width
@@ -175,7 +174,7 @@ end
 ---@param str string
 ---@return boolean
 function M.is_word(str)
-    return str:match('%w+') == str
+    return str:match '%w+' == str
 end
 
 ---@param list any[]
diff --git a/lua/Trans/core/window.lua b/lua/Trans/core/window.lua
index 7d20e71..4a1b019 100644
--- a/lua/Trans/core/window.lua
+++ b/lua/Trans/core/window.lua
@@ -1,6 +1,6 @@
 local api = vim.api
 ---@class Trans
-local Trans = require("Trans")
+local Trans = require 'Trans'
 
 ---@class TransWindow
 local window = {}
@@ -61,10 +61,10 @@ function window:adjust_height(height)
     local display_height = Trans.util.display_height(self.buffer:lines(), self:width())
     height = height and math.min(display_height, height) or display_height
 
-    self:smooth_expand({
+    self:smooth_expand {
         field = 'height',
-        to = height
-    })
+        to = height,
+    }
 end
 
 ---Expand window [width | height] value
@@ -82,7 +82,7 @@ function window:smooth_expand(opts)
     local method = api['nvim_win_set_' .. field]
 
 
-    local wrap = self:option('wrap')
+    local wrap = self:option 'wrap'
     local interval = self.animation.interval
     for i = from + 1, to, (from < to and 1 or -1) do
         self:set('wrap', false)
@@ -99,14 +99,14 @@ function window:resize(opts)
     if opts.height and self:height() ~= opts.height then
         self:smooth_expand {
             field = 'height',
-            to = opts.height
+            to = opts.height,
         }
     end
 
     if opts.width and self:width() ~= opts.width then
         self:smooth_expand {
             field = 'width',
-            to = opts.width
+            to = opts.width,
         }
     end
 end
@@ -120,10 +120,10 @@ function window:try_close()
             fold = 'height',
         })[close_animation]
 
-        self:smooth_expand({
+        self:smooth_expand {
             field = field,
             to = 1,
-        })
+        }
     end
 
     api.nvim_win_close(self.winid, true)
@@ -150,10 +150,10 @@ function window:open()
         local to = win_opts[field]
         win_opts[field] = 1
         self.winid = api.nvim_open_win(self.buffer.bufnr, self.enter, win_opts)
-        self:smooth_expand({
+        self:smooth_expand {
             field = field,
             to = to,
-        })
+        }
     else
         self.winid = api.nvim_open_win(self.buffer.bufnr, self.enter, win_opts)
     end
diff --git a/lua/Trans/frontend/hover/execute.lua b/lua/Trans/frontend/hover/execute.lua
index 3b4edfa..651893e 100644
--- a/lua/Trans/frontend/hover/execute.lua
+++ b/lua/Trans/frontend/hover/execute.lua
@@ -3,10 +3,10 @@ local api = vim.api
 ---@type table<string, fun(hover: TransHover)>
 local strategy = {
     pageup = function(hover)
-        hover.buffer:normal("gg")
+        hover.buffer:normal 'gg'
     end,
     pagedown = function(hover)
-        hover.buffer:normal("G")
+        hover.buffer:normal 'G'
     end,
     pin = function(hover)
         if hover.pin then
@@ -22,10 +22,10 @@ local strategy = {
             col      = col,
             width    = width,
             height   = height,
-            relative = "editor",
+            relative = 'editor',
         }
 
-        window:set("wrap", true)
+        window:set('wrap', true)
     end,
     close = function(hover)
         hover:destroy()
diff --git a/lua/Trans/frontend/hover/init.lua b/lua/Trans/frontend/hover/init.lua
index 0b202e7..60fd2a7 100644
--- a/lua/Trans/frontend/hover/init.lua
+++ b/lua/Trans/frontend/hover/init.lua
@@ -1,5 +1,5 @@
 ---@type Trans
-local Trans = require("Trans")
+local Trans = require 'Trans'
 
 -- FIXME :Adjust Window Size
 
@@ -11,8 +11,8 @@ local Trans = require("Trans")
 ---@field destroy_funcs fun(hover:TransHover)[] @functions to be executed when hover window is closed
 ---@field opts TransHoverOpts @options for hover window
 ---@field pin boolean @whether hover window is pinned
-local M = Trans.metatable("frontend.hover", {
-    ns = vim.api.nvim_create_namespace("TransHoverWin"),
+local M = Trans.metatable('frontend.hover', {
+    ns = vim.api.nvim_create_namespace 'TransHoverWin',
     queue = {},
 })
 M.__index = M
@@ -85,12 +85,12 @@ function M:init_window(opts)
         title    = m_opts.title,
         width    = opts.width or m_opts.width,
         height   = opts.height or m_opts.height,
-        relative = opts.relative or "cursor",
+        relative = opts.relative or 'cursor',
     }
     -- stylua: ignore end
 
     if win_opts.title then
-        win_opts.title_pos = "center"
+        win_opts.title_pos = 'center'
     end
 
     option.win_opts = win_opts
@@ -103,7 +103,7 @@ end
 ---@return string formatted text
 ---@return integer _ replaced count
 function M:icon_format(format)
-    return format:gsub("{{(%w+)}}", self.opts.icon)
+    return format:gsub('{{(%w+)}}', self.opts.icon)
 end
 
 ---Get Check function for waiting
@@ -127,7 +127,7 @@ function M:wait()
     return function()
         cur = cur + 1
         buffer[1] = spinner[cur % size + 1] .. (cell):rep(cur)
-        buffer:add_highlight(1, "TransWaitting")
+        buffer:add_highlight(1, 'TransWaitting')
         pause(interval)
         return cur < times
     end
@@ -150,14 +150,14 @@ function M:fallback()
 
     -- TODO :Center
     buffer[1] = Trans.util.center(fallback_msg, opts.width)
-    buffer:add_highlight(1, "TransFailed")
+    buffer:add_highlight(1, 'TransFailed')
     self:defer()
 end
 
 ---Defer function when process done
 function M:defer()
-    self.window:set("wrap", true)
-    self.buffer:set("modifiable", false)
+    self.window:set('wrap', true)
+    self.buffer:set('modifiable', false)
 
     local auto_close_events = self.opts.auto_close_events
     if not auto_close_events then return end
@@ -191,7 +191,7 @@ function M:process(data)
     local buffer = self.buffer
 
     if opts.auto_play then
-        (data.from == "en" and data.str or result.definition[1]):play()
+        (data.from == 'en' and data.str or result.definition[1]):play()
     end
 
     -- vim.pretty_print(result)
diff --git a/lua/Trans/frontend/hover/load.lua b/lua/Trans/frontend/hover/load.lua
index 92952b0..41aa9ac 100644
--- a/lua/Trans/frontend/hover/load.lua
+++ b/lua/Trans/frontend/hover/load.lua
@@ -1,4 +1,4 @@
-local node = require('Trans').util.node
+local node = require 'Trans'.util.node
 local it, conjunction = node.item, node.conjunction
 local interval = (' '):rep(4)
 
@@ -35,7 +35,7 @@ local default = {
             )
         end
 
-        buffer:setline('')
+        buffer:setline ''
     end,
     definition = function(hover, result)
         local definition = result.definition
@@ -50,7 +50,7 @@ local default = {
             )
         end
 
-        buffer:setline('')
+        buffer:setline ''
     end,
 }
 
diff --git a/lua/Trans/frontend/hover/offline.lua b/lua/Trans/frontend/hover/offline.lua
index fee7d79..6a93510 100644
--- a/lua/Trans/frontend/hover/offline.lua
+++ b/lua/Trans/frontend/hover/offline.lua
@@ -1,4 +1,4 @@
-local node = require('Trans').util.node
+local node = require 'Trans'.util.node
 local it, t, f, co = node.item, node.text, node.format, node.conjunction
 local interval = (' '):rep(4)
 
@@ -26,7 +26,7 @@ function M.title(hover, result)
         t {
             it { '[' },
             it { (phonetic and phonetic ~= '') and phonetic or icon.notfound, 'TransPhonetic' },
-            it { ']' }
+            it { ']' },
         },
 
         it { collins and icon.star:rep(collins) or icon.notfound, 'TransCollins' },
@@ -54,7 +54,7 @@ function M.tag(hover, result)
         })
     end
 
-    buffer:setline('')
+    buffer:setline ''
 end
 
 function M.exchange(hover, result)
@@ -70,7 +70,7 @@ function M.exchange(hover, result)
         )
     end
 
-    buffer:setline('')
+    buffer:setline ''
 end
 
 function M.pos(hover, result)
@@ -86,7 +86,7 @@ function M.pos(hover, result)
         )
     end
 
-    buffer:setline('')
+    buffer:setline ''
 end
 
 return M
diff --git a/lua/Trans/health.lua b/lua/Trans/health.lua
index 5383b84..e26b13b 100644
--- a/lua/Trans/health.lua
+++ b/lua/Trans/health.lua
@@ -1,4 +1,4 @@
-local Trans      = require('Trans')
+local Trans      = require 'Trans'
 local health, fn = vim.health, vim.fn
 
 local ok         = health.report_ok
@@ -8,73 +8,73 @@ local has        = fn.has
 local executable = fn.executable
 
 local function check_neovim_version()
-    if has("nvim-0.9") == 1 then
-        ok([[You have [neovim-nightly] ]])
+    if has 'nvim-0.9' == 1 then
+        ok [[You have [neovim-nightly] ]]
     else
-        warn([[Trans Title requires Neovim 0.9 or newer
+        warn [[Trans Title requires Neovim 0.9 or newer
         See neovim-nightly: [https://github.com/neovim/neovim/releases/tag/nightly]
-        ]])
+        ]]
     end
 end
 
 local function check_plugin_dependencies()
     local plugin_dependencies = {
         -- 'plenary',
-        "sqlite",
+        'sqlite',
     }
 
     for _, dep in ipairs(plugin_dependencies) do
         if pcall(require, dep) then
-            ok(string.format("Dependency [%s] is installed", dep))
+            ok(string.format('Dependency [%s] is installed', dep))
         else
-            error(string.format("Dependency [%s] is not installed", dep))
+            error(string.format('Dependency [%s] is not installed', dep))
         end
     end
 end
 
 local function check_binary_dependencies()
     local binary_dependencies = {
-        "curl",
-        "sqlite3",
+        'curl',
+        'sqlite3',
     }
 
-    if has("linux") == 1 then
-        binary_dependencies[3] = "festival"
-    elseif has("mac") == 1 then
-        binary_dependencies[3] = "say"
+    if has 'linux' == 1 then
+        binary_dependencies[3] = 'festival'
+    elseif has 'mac' == 1 then
+        binary_dependencies[3] = 'say'
     else
-        binary_dependencies[3] = "node"
+        binary_dependencies[3] = 'node'
     end
 
     for _, dep in ipairs(binary_dependencies) do
         if executable(dep) == 1 then
-            ok(string.format("Binary dependency [%s] is installed", dep))
+            ok(string.format('Binary dependency [%s] is installed', dep))
         else
-            error(string.format("Binary dependency [%s] is not installed", dep))
+            error(string.format('Binary dependency [%s] is not installed', dep))
         end
     end
 end
 
 local function check_database()
-    local db_path = Trans.conf.dir .. Trans.separator .. "ultimate.db"
+    local db_path = Trans.conf.dir .. Trans.separator .. 'ultimate.db'
     if fn.filereadable(db_path) == 1 then
-        ok([[ultimate database found ]])
+        ok [[ultimate database found ]]
     else
-        error([[Stardict database not found
+        error [[Stardict database not found
         [Manually]: Please check the doc in github: [https://github.com/JuanZoran/Trans.nvim]
         [Automatically]: Try to run `:lua require "Trans".install()`
-        ]])
+        ]]
     end
 end
 
 local function check_configure_file()
-    local path = fn.expand(Trans.conf.dir .. Trans.separator .. "Trans.json")
+    local path = fn.expand(Trans.conf.dir .. Trans.separator .. 'Trans.json')
     if not fn.filereadable(path) then
-        warn("Backend configuration file[%s] not found")
+        warn 'Backend configuration file[%s] not found'
     end
 
-    local file = io.open(path, "r")
-    local valid = file and pcall(vim.json.decode, file:read("*a"))
+    local file = io.open(path, 'r')
+    local valid = file and pcall(vim.json.decode, file:read '*a')
 
     if valid then
         ok(string.format([[Backend configuration file [%s] found and valid ]], path))
diff --git a/lua/Trans/init.lua b/lua/Trans/init.lua
index cb82ae9..6de2beb 100644
--- a/lua/Trans/init.lua
+++ b/lua/Trans/init.lua
@@ -5,7 +5,7 @@
 local function metatable(folder_name, origin)
     return setmetatable(origin or {}, {
         __index = function(tbl, key)
-            local status, result = pcall(require, ("Trans.%s.%s"):format(folder_name, key))
+            local status, result = pcall(require, ('Trans.%s.%s'):format(folder_name, key))
             if status then
                 tbl[key] = result
                 return result
@@ -19,16 +19,16 @@ end
 ---@field play function @Use tts to play string
 
 
-local separator = vim.loop.os_uname().sysname == "Windows" and "\\" or "/"
+local separator = vim.loop.os_uname().sysname == 'Windows' and '\\' or '/'
 ---@class Trans
 ---@field style table @Style module
 ---@field cache table<string, TransData> @Cache for translated data object
 ---@field plugin_dir string @Plugin directory
 ---@field separator string @Path separator
-local M = metatable("core", {
+local M = metatable('core', {
     cache      = {},
-    style      = metatable("style"),
-    plugin_dir = debug.getinfo(1, "S").source:sub(2):match("(.-)lua" .. separator .. "Trans"),
+    style      = metatable 'style',
+    plugin_dir = debug.getinfo(1, 'S').source:sub(2):match('(.-)lua' .. separator .. 'Trans'),
     separator  = separator,
 })
 
@@ -39,7 +39,7 @@ M.metatable = metatable
 ---@param is_dir boolean?
 ---@return string
 function M.relative_path(path, is_dir)
-    return M.plugin_dir .. table.concat(path, separator) .. (is_dir and separator or "")
+    return M.plugin_dir .. table.concat(path, separator) .. (is_dir and separator or '')
 end
 
 return M
diff --git a/lua/Trans/util/init.lua b/lua/Trans/util/init.lua
deleted file mode 100644
index 53a976e..0000000
--- a/lua/Trans/util/init.lua
+++ /dev/null
@@ -1,16 +0,0 @@
-local M = {}
-M.test_api_latency = function(urls)
-    urls = type(urls) == 'string' and { urls } or urls
-
-    local f = [[curl -s -o /dev/null -w '[%s]延迟: %%{time_total}s %s']]
-    local result = {}
-    for _, url in ipairs(urls) do
-        local cmd = string.format(f, url, url)
-        local res = vim.fn.system(cmd)
-        result[#result + 1] = res
-    end
-
-    vim.pretty_print(result)
-end
-
-return M
diff --git a/lua/Trans/util/node.lua b/lua/Trans/util/node.lua
index 73626b0..db12531 100644
--- a/lua/Trans/util/node.lua
+++ b/lua/Trans/util/node.lua
@@ -1,4 +1,4 @@
-local util = require('Trans').util
+local util = require 'Trans'.util
 
 ---@class TransNode
 ---@field [1] string text to be rendered
@@ -29,7 +29,7 @@ local text_meta = {
     render = function(self, buffer, line, col)
         local nodes = self.nodes
         local step  = self.step
-        local len = step and #step or 0
+        local len   = step and #step or 0
 
         for _, node in ipairs(nodes) do
             node:render(buffer, line, col)
@@ -66,7 +66,7 @@ end
 ---@return TransText
 local function format(args)
     local width = args.width
-    local spin  = args.spin or " "
+    local spin  = args.spin or ' '
     local size  = #args
     local wid   = 0
     for i = 1, size do
@@ -93,9 +93,9 @@ return {
     format = format,
     conjunction = function(str)
         return {
-            item { "", "TransTitleRound" },
-            item { str, "TransTitle" },
-            item { "", "TransTitleRound" },
+            item { '', 'TransTitleRound' },
+            item { str, 'TransTitle' },
+            item { '', 'TransTitleRound' },
         }
     end,
 }