feat: remove-tag

lua/tree-emmet.lua

@@ -182,7 +182,43 @@ M.split_join_tag = function()
 end
 
 -- https://docs.emmet.io/actions/remove-tag/
-M.remove_tag = function() end
+M.remove_tag = function()
+  local element_node = module.get_element_node()
+  if element_node == nil then
+    return
+  end
+
+  local start_row, start_col, end_row, end_col = element_node:range()
+  local lines = vim.api.nvim_buf_get_lines(0, start_row, end_row + 1, false)
+
+  -- self closing element
+  if element_node:type() == "jsx_self_closing_element" then
+    str.remove_ranges(lines, { { 1, start_col + 1, end_row - start_row + 1, end_col } })
+    return
+  end
+
+  local opening_start_row, opening_start_col, opening_end_row, opening_end_col =
+    module.get_opening_element(element_node):range()
+  local closing_start_row, closing_start_col, closing_end_row, closing_end_col =
+    module.get_closing_element(element_node):range()
+
+  lines = str.remove_ranges(lines, {
+    {
+      opening_start_row - start_row + 1,
+      opening_start_col + 1,
+      (opening_start_row - start_row + 1) + (opening_end_row - start_row),
+      opening_end_col,
+    },
+    {
+      closing_start_row - start_row + 1,
+      closing_start_col + 1,
+      (closing_start_row - start_row + 1) + (closing_end_row - start_row),
+      closing_end_col,
+    },
+  })
+
+  vim.api.nvim_buf_set_lines(0, start_row, end_row + 1, false, lines)
+end
 
 -- Merge Lines
 -- https://docs.emmet.io/actions/merge-lines/

tests/sources/remove-tag_spec.tsx

@@ -0,0 +1,16 @@
+export const Element = () => {
+  return (
+    <>
+      <div
+        id="multiline"
+        onClick={() => {}}
+        className="test asdfasdjfhasdlkjhasdhfjkasdhfjk"
+      >
+        abc
+        {123}
+        <div></div>
+      </div>
+      <div id="singline">abc</div>
+    </>
+  );
+};

tests/tree-emmet/remove-tag_spec.lua

@@ -0,0 +1,79 @@
+local plugin = require("tree-emmet")
+local str = require("tree-emmet.string")
+
+---move cursor to search position
+---@param search any
+local function move(search)
+  -- move to text content element
+  local start_row, start_col = unpack(vim.fn.searchpos(search))
+  vim.api.nvim_win_set_cursor(0, { start_row, start_col })
+end
+
+describe("remove tag in tsx", function()
+  before_each(function()
+    vim.cmd("edit tests/sources/remove-tag_spec.tsx")
+  end)
+
+  after_each(function()
+    -- undo to very first state
+    vim.cmd("u0")
+    -- close current buffer
+    vim.cmd("bd")
+  end)
+
+  it("must remove multiline tag", function()
+    move("multiline")
+
+    plugin.remove_tag()
+    local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
+
+    local expected = str.split(
+      [[export const Element = () => {
+  return (
+    <>
+        abc
+        {123}
+        <div></div>
+      <div id="singline">abc</div>
+    </>
+  );
+};]],
+      "[^\n]+"
+    )
+
+    for i = 1, #lines, 1 do
+      assert.are_equal(str.trim(expected[i]), str.trim(lines[i]))
+    end
+  end)
+
+  it("must remove tag", function()
+    move("singline")
+
+    plugin.remove_tag()
+    local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
+
+    local expected = str.split(
+      [[export const Element = () => {
+  return (
+    <>
+      <div
+        id="multiline"
+        onClick={() => {}}
+        className="test asdfasdjfhasdlkjhasdhfjkasdhfjk"
+      >
+        abc
+        {123}
+        <div></div>
+      </div>
+      abc
+    </>
+  );
+};]],
+      "[^\n]+"
+    )
+
+    for i = 1, #lines, 1 do
+      assert.are_equal(str.trim(expected[i]), str.trim(lines[i]))
+    end
+  end)
+end)

tests/tree-emmet/split-join-tag_spec.lua

@@ -151,7 +151,6 @@ export const Element = () => {
 };]],
       "[^\n]+"
     )
-    print(vim.inspect(lines))
 
     for i = 1, #lines, 1 do
       assert.are_equal(str.trim(expected_join[i]), str.trim(lines[i]))