Merge pull request #35 from grapp-dev/fix/text-input-value

fix: display the initial value of TextInput correctly

docs/pages/docs/component.mdx

@@ -797,6 +797,15 @@ Where `Mapping` is:
   returns="boolean"
 />
 
+#### is_first_render
+
+> Determines whether the component is rendered for the first time or not.
+
+<Method 
+  name="is_first_render"
+  returns="boolean"
+/>
+
 #### get_id
 
 > Returns the unique identifier for the current component instance.

lua/nui-components/component/init.lua

@@ -97,6 +97,7 @@ function Component:on_renderer_initialization(renderer, parent, children)
   self._private.renderer = renderer
   self._private.children = children
   self._private.props.children = nil
+  self._private.is_first_render = true
 
   self._private.props.instance:on_next(function(_, key)
     local is_layout_prop = fn.isome(layout_props, function(prop)
@@ -131,7 +132,7 @@ function Component:mount()
   self:_attach_mappings()
   self:_set_initial_focus()
 
-  self:redraw()
+  self:on_update()
 
   vim.schedule(function()
     props.on_mount(self)
@@ -155,6 +156,7 @@ end
 
 function Component:redraw()
   self:on_update()
+  self._private.is_first_render = false
 end
 
 function Component:_default_prop_types()
@@ -435,6 +437,10 @@ function Component:is_mounted()
   return self._.mounted
 end
 
+function Component:is_first_render()
+  return self._private.is_first_render
+end
+
 function Component:get_id()
   return self._private.id
 end

lua/nui-components/text-input.lua

@@ -207,7 +207,7 @@ function TextInput:on_update()
 
   if not (current_winid == self.winid and mode == "i") then
     vim.schedule(function()
-      if self:_is_next_line_allowed() then
+      if self:_is_next_line_allowed() or self:is_first_render() then
         local lines = self:get_lines()
         vim.api.nvim_buf_set_lines(self.bufnr, 0, #lines, false, lines)
       end