feat(nvim): add transform_text plugin

With mappings to URL-encode/decode visual selection.

1 files changed, 25 insertions, 0 deletions

diff --git a/.config/nvim/plugin/50-transform_text.lua b/.config/nvim/plugin/50-transform_text.lua
new file mode 100644
index 0000000..9ec74d5
--- /dev/null
+++ b/.config/nvim/plugin/50-transform_text.lua
@@ -0,0 +1,25 @@
+local function get_visual_selection_text()
+	return table.concat(vim.fn.getregion(vim.fn.getpos("v"), vim.fn.getpos("."), { type = vim.fn.mode() }), "\n")
+end
+
+local function delete_visual_selection()
+	local mode = vim.fn.mode()
+	local eovisual_pos, cur_pos = vim.fn.getpos("v"), vim.fn.getpos(".")
+	local region = vim.fn.getregionpos(eovisual_pos, cur_pos, { type = mode })[1]
+	local start_row, start_col = unpack(region[1], 2, 3)
+	local end_row, end_col = mode == "v" and region[2][2] or math.max(eovisual_pos[2], cur_pos[2]), region[2][3]
+	vim.api.nvim_buf_set_text(0, start_row - 1, start_col - 1, end_row - 1, end_col, {})
+end
+
+local function transform_visual_selection(transform)
+	local selection = get_visual_selection_text()
+	delete_visual_selection()
+	vim.api.nvim_put({ transform(selection) }, "c", true, true)
+end
+
+vim.keymap.set("x", "<Leader>tue", function()
+	transform_visual_selection(vim.uri_encode)
+end, { desc = "URL-encode selection" })
+vim.keymap.set("x", "<Leader>tud", function()
+	transform_visual_selection(vim.uri_decode)
+end, { desc = "URL-decode selection" })