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

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This commit is contained in:
Lewis Russell
2022-04-01 09:09:30 +01:00
parent dc3bbd31a9
commit 3cc29b7f0d
2 changed files with 4 additions and 4 deletions
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2
runtime/doc/lua.txt
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@@ -2025,7 +2025,7 @@ set({mode}, {lhs}, {rhs}, {opts}) *vim.keymap.set()*
{rhs} string|function Right-hand side |{rhs}| of the {rhs} string|function Right-hand side |{rhs}| of the
mapping. Can also be a Lua function. If a Lua mapping. Can also be a Lua function. If a Lua
function and `opts.expr == true`, returning `nil` 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 {opts} table A table of |:map-arguments| such as
"silent". In addition to the options listed in "silent". In addition to the options listed in
|nvim_set_keymap()|, this table also accepts the |nvim_set_keymap()|, this table also accepts the

6
runtime/lua/vim/keymap.lua
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@@ -35,8 +35,8 @@ local keymap = {}
--- Can also be list of modes to create mapping on multiple modes. --- Can also be list of modes to create mapping on multiple modes.
---@param lhs string Left-hand side |{lhs}| of the mapping. ---@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. ---@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` --- If a Lua function and `opts.expr == true`, returning `nil` is
--- is equivalent to an empty string. --- equivalent to an empty string.
-- --
---@param opts table A table of |:map-arguments| such as "silent". In addition to the options ---@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: --- 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 local user_rhs = rhs
rhs = function () rhs = function ()
local res = user_rhs() local res = user_rhs()
if not res then if res == nil then
-- TODO(lewis6991): Handle this in C? -- TODO(lewis6991): Handle this in C?
return '' return ''
elseif opts.replace_keycodes ~= false then elseif opts.replace_keycodes ~= false then