c9c5e3f9d1
String values for component are way too overloaded . This means lualine has to make lots of checks to understand how to load a string value as a component . With type option users can specify exactly what they want.
35 lines
1.1 KiB
Lua
35 lines
1.1 KiB
Lua
local EvalFuncComponent = require('lualine.component'):new()
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EvalFuncComponent.update_status = function(self)
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local component = self.options[1]
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local ok, status
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if self.options.type == nil then
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ok, status = pcall(EvalFuncComponent.lua_eval, component)
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if not ok then status = EvalFuncComponent.vim_function(component) end
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else
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if self.options.type == 'luae' then
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ok, status = pcall(EvalFuncComponent.lua_eval, component)
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if not ok then status = nil end
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elseif self.options.type == 'vimf' then
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status = EvalFuncComponent.vim_function(component)
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end
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end
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return status
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end
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EvalFuncComponent.lua_eval = function(code)
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local result = loadstring('return ' .. code)()
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assert(result, 'String expected got nil')
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return tostring(result)
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end
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EvalFuncComponent.vim_function = function(name)
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-- vim function component
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local ok, return_val = pcall(vim.fn[name])
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if not ok then return '' end -- function call failed
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ok, return_val = pcall(tostring, return_val)
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return ok and return_val or ''
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end
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return EvalFuncComponent
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