fix: handle HOST header

Author: boltlessengineer

lua/rest-nvim/parser/init.lua

@@ -246,13 +246,18 @@ function M.parse(req_node, source, context)
   local handlers = vim.iter(handler_nodes):map(function (node)
     return M.parse_request_handler(node, source, context)
   end):totable()
+  local headers = parse_headers(req_node, source, context)
+  if headers["host"] then
+    url = headers["host"]..url
+    headers["host"] = nil
+  end
   ---@type Request
   return {
     context = context,
     method = method,
     url = url,
     http_version = get_node_field_text(req_node, "version", source),
-    headers = parse_headers(req_node, source, context),
+    headers = headers,
     body = body,
     handlers = handlers,
   }

spec/api_spec.lua

@@ -106,15 +106,15 @@ describe("parser", function()
   end)
   it("parse with variables in header", function ()
     local source = [[POST https://example.com
-HOST: {{$date}}
+X-DATE: {{$date}}
 ]]
     local _, tree = utils.ts_parse_source(source)
     local req_node = assert(tree:root():child(0))
     local req = parser.parse(req_node, source)
     assert.is_not_nil(req)
     ---@cast req Request
     assert.same({
-      host = os.date("%Y-%m-%d")
+      ["x-date"] = os.date("%Y-%m-%d")
     }, req.headers)
   end)
   it("parse with variables in header", function ()