feat(editing-support): add amp.nvim (#1675)

Author: Uzaaft

lua/astrocommunity/editing-support/amp-nvim/README.md

@@ -0,0 +1,5 @@
+# amp.nvim
+
+This plugin allows the [Amp CLI](https://ampcode.com/manual#cli) to see the file you currently have open in your Neovim instance, along with your cursor position and your text selection.
+
+**Repository**: <https://github.com/sourcegraph/amp.nvim>

lua/astrocommunity/editing-support/amp-nvim/init.lua

@@ -0,0 +1,64 @@
+return {
+  "sourcegraph/amp.nvim",
+  branch = "main",
+  lazy = false,
+  opts = { auto_start = true, log_level = "info" },
+  dependencies = {
+    {
+      "AstroNvim/astrocore",
+      opts = {
+        commands = {
+          AmpSend = {
+            function(event)
+              local message = event.args
+              if message == "" then
+                print "Please provide a message to send"
+                return
+              end
+              require("amp.message").send_message(message)
+            end,
+            nargs = "*",
+            desc = "Send a message to Amp",
+          },
+          AmpSendBuffer = {
+            function()
+              local buf = vim.api.nvim_get_current_buf()
+              local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
+              local content = table.concat(lines, "\n")
+              require("amp.message").send_message(content)
+            end,
+            desc = "Send current buffer contents to Amp",
+          },
+          AmpPromptSelection = {
+            function(event)
+              local lines = vim.api.nvim_buf_get_lines(0, event.line1 - 1, event.line2, false)
+              local text = table.concat(lines, "\n")
+              require("amp.message").send_to_prompt(text)
+            end,
+            range = true,
+            desc = "Add selected text to Amp prompt",
+          },
+          AmpPromptRef = {
+            function(event)
+              local bufname = vim.api.nvim_buf_get_name(0)
+              if bufname == "" then
+                print "Current buffer has no filename"
+                return
+              end
+              local relative_path = vim.fn.fnamemodify(bufname, ":.")
+              local ref = "@" .. relative_path
+              if event.line1 ~= event.line2 then
+                ref = ref .. "#L" .. event.line1 .. "-" .. event.line2
+              elseif event.line1 > 1 then
+                ref = ref .. "#L" .. event.line1
+              end
+              require("amp.message").send_to_prompt(ref)
+            end,
+            range = true,
+            desc = "Add file reference (with selection) to Amp prompt",
+          },
+        },
+      },
+    },
+  },
+}