fix(parser): set host based on header of strings

Author: boltlessengineer

lua/rest-nvim/parser/init.lua

@@ -288,9 +288,9 @@ function M.parse(node, source, ctx)
 
   local headers = parse_headers(req_node, source, ctx)
   -- HACK: check if url doesn't have host
-  if headers["host"] and url[1] == "/" then
-    url = headers["host"]..url
-    headers["host"] = nil
+  if headers["host"] and vim.startswith(url, "/") then
+    url = "http://" ..headers["host"][1]..url
+    table.remove(headers["host"], 1)
   end
   ---@type rest.Request
   local req = {

spec/api_spec.lua

@@ -218,4 +218,14 @@ GET http://localhost:80
     local names = parser.get_request_names(source)
     assert.same({"first named request", "second named request"}, names)
   end)
+  it("parse request with host header", function ()
+    local source = [[
+GET /some/path
+HOST: localhost:8000
+]]
+    local _, tree = utils.ts_parse_source(source)
+    local req_node = assert(tree:root():child(0))
+    local req = assert(parser.parse(req_node, source))
+    assert.same("http://localhost:8000/some/path", req.url)
+  end)
 end)