neovim

commit 3cc29b7f0d6e1661f39d28716c6a63603a93c11c
parent dc3bbd31a9d6c36944b7f26127d9d46b21a70c2f
Author: Lewis Russell <lewis6991@gmail.com>
Date:   Fri,  1 Apr 2022 09:09:30 +0100

fix(keymap): don't coerce false to ''

Diffstat:
M
runtime/doc/lua.txt
 | 
2
+-
M
runtime/lua/vim/keymap.lua
 | 
6
+++---

2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/runtime/doc/lua.txt b/runtime/doc/lua.txt
@@ -2025,7 +2025,7 @@ set({mode}, {lhs}, {rhs}, {opts})                           *vim.keymap.set()*
                     {rhs}   string|function Right-hand side |{rhs}| of the
                             mapping. Can also be a Lua function. If a Lua
                             function and `opts.expr == true`, returning `nil`
-                            or `false` is equivalent to an empty string.
+                            is equivalent to an empty string.
                     {opts}  table A table of |:map-arguments| such as
                             "silent". In addition to the options listed in
                             |nvim_set_keymap()|, this table also accepts the
diff --git a/runtime/lua/vim/keymap.lua b/runtime/lua/vim/keymap.lua
@@ -35,8 +35,8 @@ local keymap = {}
 ---                            Can also be list of modes to create mapping on multiple modes.
 ---@param lhs string          Left-hand side |{lhs}| of the mapping.
 ---@param rhs string|function  Right-hand side |{rhs}| of the mapping. Can also be a Lua function.
----                            If a Lua function and `opts.expr == true`, returning `nil` or `false`
----                            is equivalent to an empty string.
+---                            If a Lua function and `opts.expr == true`, returning `nil` is
+---                            equivalent to an empty string.
 --
 ---@param opts table A table of |:map-arguments| such as "silent". In addition to the options
 ---                  listed in |nvim_set_keymap()|, this table also accepts the following keys:
@@ -62,7 +62,7 @@ function keymap.set(mode, lhs, rhs, opts)
     local user_rhs = rhs
     rhs = function ()
       local res = user_rhs()
-      if not res then
+      if res == nil then
         -- TODO(lewis6991): Handle this in C?
         return ''
       elseif opts.replace_keycodes ~= false then