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54 lines
1.5 KiB
54 lines
1.5 KiB
3 years ago
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-- keymap function which simplifies mapping keys
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M.map = function(mode, keys, cmd, opt, bufnr)
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local options = { noremap = true, silent = true }
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if opt then
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options = vim.tbl_extend("force", options, opt)
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end
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-- all valid modes allowed for mappings
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-- :h map-modes
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local valid_modes = {
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[""] = true,
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["n"] = true,
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["v"] = true,
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["s"] = true,
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["x"] = true,
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["o"] = true,
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["!"] = true,
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["i"] = true,
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["l"] = true,
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["c"] = true,
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["t"] = true,
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}
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-- helper function for M.map
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-- can be given multiple modes and keys
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-- if given a buffer number will set the key specific to that buffer
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local function map_wrapper(mode, lhs, rhs, options, bufnr)
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if type(lhs) == "table" then
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for _, key in ipairs(lhs) do
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map_wrapper(mode, key, rhs, options, bufnr)
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end
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else
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if type(mode) == "table" then
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for _, m in ipairs(mode) do
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map_wrapper(m, lhs, rhs, options, bufnr)
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end
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else
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if valid_modes[mode] and lhs and rhs then
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if bufnr then
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vim.api.nvim_buf_set_keymap(bufnr, mode, lhs, rhs, options)
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else
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vim.api.nvim_set_keymap(mode, lhs, rhs, options)
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end
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else
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mode, lhs, rhs = mode or "", lhs or "", rhs or ""
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print("Cannot set mapping [ mode = '" .. mode .. "' | key = '" .. lhs .. "' | cmd = '" .. rhs .. "' ]")
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end
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end
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end
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end
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map_wrapper(mode, keys, cmd, options, bufnr)
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end
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