Jonathan Apodaca
786cffe7d8
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- range: extmarks/tsquery - mise for dev env - get rid of obsolete modules - implement as single file module
52 lines
1.2 KiB
Lua
52 lines
1.2 KiB
Lua
--
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-- Bracket matcher: highlights the nearest matching pair of brackets (like MatchParen)
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-- when the cursor is near them. Updates dynamically on CursorMoved in normal mode.
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--
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local u = require 'u'
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local Range = u.Range
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local M = {}
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--- @type { clear: fun() }[]
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local HIGHLIGHTS = {}
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local LAST_RANGE = nil
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local function clear_highlights()
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for _, hl in ipairs(HIGHLIGHTS) do
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hl.clear()
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end
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HIGHLIGHTS = {}
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end
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local function update()
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local mode = vim.fn.mode():sub(1, 1)
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if mode ~= 'n' then return end
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local last_range = LAST_RANGE
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local bracket_range = Range.find_nearest_brackets()
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LAST_RANGE = bracket_range
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if not bracket_range then return clear_highlights() end
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if bracket_range == last_range then return end
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clear_highlights()
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local open = Range.new(bracket_range.start, bracket_range.start, 'v')
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local close = Range.new(bracket_range.stop, bracket_range.stop, 'v')
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HIGHLIGHTS = {
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open:highlight('MatchParen', { priority = 999 }),
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close:highlight('MatchParen', { priority = 999 }),
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}
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end
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function M.setup()
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local group = vim.api.nvim_create_augroup('Matcher', { clear = true })
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vim.api.nvim_create_autocmd({ 'CursorMoved' }, {
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group = group,
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callback = update,
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})
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end
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return M
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