From a7ba30f8d545ab0fd181e0f4fb84544ef9f236ac Mon Sep 17 00:00:00 2001
From: amrbashir <amr.bashir2015@gmail.com>
Date: Mon, 13 Feb 2023 16:30:20 +0200
Subject: [PATCH] fix: define `update` function before usage, fixes #7

---
 lua/docs-view.lua | 72 +++++++++++++++++++++++------------------------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/lua/docs-view.lua b/lua/docs-view.lua
index 37112ca..4500068 100644
--- a/lua/docs-view.lua
+++ b/lua/docs-view.lua
@@ -3,6 +3,42 @@ local cfg = {}
 local buf, win, prev_win, autocmd
 local get_clients
 
+local function update()
+  if not win or not vim.api.nvim_win_is_valid(win) then
+    toggle()
+  end
+
+  local clients = get_clients()
+  local gotHover = false
+  for i = 1, #clients do
+    if clients[i].supports_method("textDocument/hover") then
+      gotHover = true
+      break
+    end
+  end
+  if not gotHover then
+    return
+  end
+
+  local l, c = unpack(vim.api.nvim_win_get_cursor(0))
+  vim.lsp.buf_request(0, "textDocument/hover", {
+    textDocument = { uri = "file://" .. vim.api.nvim_buf_get_name(0) },
+    position = { line = l - 1, character = c },
+  }, function(err, result, ctx, config)
+    if win and vim.api.nvim_win_is_valid(win) and result and result.contents then
+      local md_lines = vim.lsp.util.convert_input_to_markdown_lines(result.contents)
+      md_lines = vim.lsp.util.trim_empty_lines(md_lines)
+      if vim.tbl_isempty(md_lines) then
+        return
+      end
+
+      vim.api.nvim_buf_set_option(buf, "modifiable", true)
+      vim.lsp.util.stylize_markdown(buf, md_lines)
+      vim.api.nvim_buf_set_option(buf, "modifiable", false)
+    end
+  end)
+end
+
 local function toggle()
   if win and vim.api.nvim_win_is_valid(win) then
     vim.api.nvim_win_close(win, false)
@@ -65,42 +101,6 @@ local function toggle()
   end
 end
 
-local function update()
-  if not win or not vim.api.nvim_win_is_valid(win) then
-    toggle()
-  end
-
-  local clients = get_clients()
-  local gotHover = false
-  for i = 1, #clients do
-    if clients[i].supports_method("textDocument/hover") then
-      gotHover = true
-      break
-    end
-  end
-  if not gotHover then
-    return
-  end
-
-  local l, c = unpack(vim.api.nvim_win_get_cursor(0))
-  vim.lsp.buf_request(0, "textDocument/hover", {
-    textDocument = { uri = "file://" .. vim.api.nvim_buf_get_name(0) },
-    position = { line = l - 1, character = c },
-  }, function(err, result, ctx, config)
-    if win and vim.api.nvim_win_is_valid(win) and result and result.contents then
-      local md_lines = vim.lsp.util.convert_input_to_markdown_lines(result.contents)
-      md_lines = vim.lsp.util.trim_empty_lines(md_lines)
-      if vim.tbl_isempty(md_lines) then
-        return
-      end
-
-      vim.api.nvim_buf_set_option(buf, "modifiable", true)
-      vim.lsp.util.stylize_markdown(buf, md_lines)
-      vim.api.nvim_buf_set_option(buf, "modifiable", false)
-    end
-  end)
-end
-
 M.setup = function(user_cfg)
   local default_cfg = {
     position = "right",