Merge pull request #202 from roycrippen4/fix-#199

feat: support react fragments

lua/nvim-ts-autotag/internal.lua

@@ -252,6 +252,9 @@ M.close_tag = function()
     if result == true and tag_name ~= nil then
         vim.api.nvim_put({ string.format("</%s>", tag_name) }, "", true, false)
         vim.cmd([[normal! F>]])
+    elseif utils.is_react_file() and utils.is_react_fragment() then
+        vim.api.nvim_put({ "</>" }, "", true, false)
+        vim.cmd([[normal! F>]])
     end
 end
 

lua/nvim-ts-autotag/utils.lua

@@ -2,6 +2,65 @@ local log = require("nvim-ts-autotag._log")
 local get_node_text = vim.treesitter.get_node_text
 local M = {}
 
+---@return boolean
+function M.is_react_file()
+    local ft = vim.bo.ft
+    -- check filetypes first.
+    if ft == "javascriptreact" or ft == "typescriptreact" then
+        return true
+    elseif ft ~= "javascript" then
+        return false
+    end
+    -- If we are in a `javascript` file, then check the content to see if the
+    -- current file counts as a react file
+    local ok, buf_parser = pcall(vim.treesitter.get_parser)
+    if not ok then
+        return false
+    end
+
+    local tree = buf_parser:parse(true)
+    if not tree then
+        return false
+    end
+
+    local root = tree[1]:root()
+    local queries = { "jsx_element", "jsx_self_closing_element" }
+
+    for _, query in ipairs(queries) do
+        if M.node_exists(root, query) then
+            return true
+        end
+    end
+
+    return false
+end
+
+---@return boolean
+function M.is_react_fragment()
+    local line = vim.fn.getline(".")
+    local col = vim.fn.col(".") - 2
+    local strpart = vim.fn.strpart(line, col)
+    local char_at_cursor = vim.fn.strcharpart(strpart, 0, 1) ---@type string
+    return char_at_cursor == "<"
+end
+
+---@param node TSNode
+---@param query string
+---@return boolean
+function M.node_exists(node, query)
+    if node:type() == query then
+        return true
+    end
+
+    for child in node:iter_children() do
+        if M.node_exists(child, query) then
+            return true
+        end
+    end
+
+    return false
+end
+
 M.get_node_text = function(node)
     local _, txt = pcall(get_node_text, node, vim.api.nvim_get_current_buf())
     return vim.split(txt, "\n") or {}

sample/index.js

@@ -0,0 +1,23 @@
+
+import React, { useCallback, useEffect } from 'react'
+
+const SamplePage = () => {
+  const [state, setstate] = useState(initialState)
+
+
+  return (
+    <div className="h-full">
+
+
+
+
+
+
+
+
+
+    </div>
+  )
+}
+
+export default SamplePage

tests/specs/closetag_spec.lua

@@ -130,7 +130,34 @@ local data = {
         after = [[{(card.data >| 0) && <div></div>}]],
     },
     {
-        name = "15 vue auto close tag",
+        name = "15 typescriptreact nested indentifer ",
+        filepath = "./sample/index.tsx",
+        filetype = "typescriptreact",
+        linenr = 12,
+        key = [[>]],
+        before = [[<Opt.Input| ]],
+        after = [[<Opt.Input>|</Opt.Input> ]],
+    },
+    {
+        name = "16 typescriptreact autoclose fragment",
+        filepath = "./sample/index.tsx",
+        filetype = "typescriptreact",
+        linenr = 12,
+        key = [[>]],
+        before = [[<|<div></div>]],
+        after = [[<>|</><div></div>]],
+    },
+    {
+        name = "17 javascript autoclose fragment",
+        filepath = "./sample/index.js",
+        filetype = "javascript",
+        linenr = 12,
+        key = [[>]],
+        before = [[<|<div></div>]],
+        after = [[<>|</><div></div>]],
+    },
+    {
+        name = "18 vue auto close tag",
         filepath = "./sample/index.vue",
         filetype = "vue",
         linenr = 4,
@@ -139,7 +166,7 @@ local data = {
         after = [[<Img>|</Img>]],
     },
     {
-        name = "16 vue not close on script",
+        name = "19 vue not close on script",
         filepath = "./sample/index.vue",
         filetype = "vue",
         linenr = 12,
@@ -148,16 +175,7 @@ local data = {
         after = [[const data:Array<string>| ]],
     },
     {
-        name = "17 typescriptreact nested indentifer ",
-        filepath = "./sample/index.tsx",
-        filetype = "typescriptreact",
-        linenr = 12,
-        key = [[>]],
-        before = [[<Opt.Input| ]],
-        after = [[<Opt.Input>|</Opt.Input> ]],
-    },
-    {
-        name = "18 php div ",
+        name = "20 php div ",
         filepath = "./sample/index.php",
         filetype = "php",
         linenr = 25,
@@ -175,7 +193,7 @@ local data = {
     --     after = [[<div>|</div> ]],
     -- },
     {
-        name = "19 lit template div",
+        name = "21 lit template div",
         filepath = "./sample/index.ts",
         filetype = "typescript",
         linenr = 3,
@@ -184,7 +202,7 @@ local data = {
         after = [[<div>|</div> ]],
     },
     {
-        name = "20 eruby template div",
+        name = "22 eruby template div",
         filepath = "./sample/index.html.erb",
         filetype = "eruby",
         linenr = 10,
@@ -193,7 +211,7 @@ local data = {
         after = [[<div>|</div> ]],
     },
     {
-        name = "20 eruby template ruby string",
+        name = "23 eruby template ruby string",
         filepath = "./sample/index.html.erb",
         filetype = "eruby",
         linenr = 10,
@@ -202,7 +220,7 @@ local data = {
         after = [[<%= <div>| %> ]],
     },
     {
-        name = "21 templ close tag",
+        name = "24 templ close tag",
         filepath = "./sample/index.templ",
         filetype = "templ",
         linenr = 10,
@@ -211,7 +229,7 @@ local data = {
         after = [[<div>|</div>]],
     },
     {
-        name = "22 templ close tag",
+        name = "25 templ close tag",
         filepath = "./sample/index.templ",
         filetype = "templ",
         linenr = 10,
@@ -220,7 +238,7 @@ local data = {
         after = [[<div clas="laa">|</div>]],
     },
     {
-        name = "23 templ not close tag on close tag",
+        name = "26 templ not close tag on close tag",
         filepath = "./sample/index.templ",
         filetype = "templ",
         linenr = 10,
@@ -229,7 +247,7 @@ local data = {
         after = [[<div>aa</div>|]],
     },
     {
-        name = "24 templ not close on input tag",
+        name = "27 templ not close on input tag",
         filepath = "./sample/index.templ",
         filetype = "templ",
         linenr = 10,