feat: add support for custom formatters

Author: udayvir-singh

README.md

@@ -47,7 +47,6 @@ have to leave Neovim!
 
 - System-wide
   - curl
-  - jq +1.6 (to format JSON output so it can be human-readable)
 - Other plugins
   - [plenary.nvim](https://github.com/nvim-lua/plenary.nvim)
 
@@ -75,6 +74,12 @@ use {
         show_url = true,
         show_http_info = true,
         show_headers = true,
+        -- executables for formatting response body [optional]
+        formatters = {
+          -- set them to nil if you want to disable them
+          json = "jq",
+          html = {"tidy", "-i", "-q", "--show-errors", "0", "-"}
+        },
       },
       -- Jump to request line on run
       jump_to_request = false,

doc/rest-nvim.txt

@@ -223,3 +223,5 @@ CONTRIBUTING                                           *rest-nvim-contributing*
     3. Commit your changes (`git commit -am 'Add some feature'`)
     4. Push to the branch (`git push origin my-new-feature`)
     5. Create a new Pull Request
+
+vim:tw=78:ts=8:noet:ft=help:norl:

lua/rest-nvim/config/init.lua

@@ -12,6 +12,10 @@ local config = {
     show_url = true,
     show_http_info = true,
     show_headers = true,
+    formatters = {
+      json = "jq",
+      html = {"tidy", "-i", "-q", "--show-errors", "0", "-"}
+    },
   },
   jump_to_request = false,
   env_file = ".env",

lua/rest-nvim/curl/init.lua

@@ -89,10 +89,12 @@ local function create_callback(method, url)
     end
 
     --- Add the curl command results into the created buffer
-    if content_type == "json" then
-      -- format JSON body
-      res.body = vim.fn.system("jq", res.body):gsub("\n$", "")
+    local formatter = config.get("result").formatters[content_type]
+    -- formate response body
+    if formatter and vim.fn.executable(type(formatter) == "string" and formatter or formatter[1]) == 1 then
+      res.body = vim.fn.system(formatter, res.body):gsub("\n$", "")
     end
+
     local lines = utils.split(res.body, "\n")
     local line_count = vim.api.nvim_buf_line_count(res_bufnr) - 1
     vim.api.nvim_buf_set_lines(res_bufnr, line_count, line_count + #lines, false, lines)