80 lines
2.9 KiB
Lua
80 lines
2.9 KiB
Lua
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local has_words_before = function()
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unpack = unpack or table.unpack
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local line, col = unpack(vim.api.nvim_win_get_cursor(0))
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return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
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end
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local luasnip = require("luasnip")
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local cmp = require("cmp")
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cmp.setup({
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snippet = {
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-- REQUIRED - you must specify a snippet engine
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expand = function(args)
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require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
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end,
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},
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mapping = cmp.mapping.preset.insert({
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-- Use <C-b/f> to scroll the docs
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['<C-b>'] = cmp.mapping.scroll_docs( -4),
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['<C-f>'] = cmp.mapping.scroll_docs(4),
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-- Use <C-k/j> to switch in items
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['<C-k>'] = cmp.mapping.select_prev_item(),
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['<C-j>'] = cmp.mapping.select_next_item(),
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-- Use <CR>(Enter) to confirm selection
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-- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
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['<CR>'] = cmp.mapping.confirm({ select = true }),
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-- A super tab
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-- sourc: https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#luasnip
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["<Tab>"] = cmp.mapping(function(fallback)
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-- Hint: if the completion menu is visible select next one
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if cmp.visible() then
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cmp.select_next_item()
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elseif has_words_before() then
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cmp.complete()
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else
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fallback()
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end
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end, { "i", "s" }), -- i - insert mode; s - select mode
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["<S-Tab>"] = cmp.mapping(function(fallback)
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if cmp.visible() then
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cmp.select_prev_item()
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elseif luasnip.jumpable( -1) then
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luasnip.jump( -1)
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else
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fallback()
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end
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end, { "i", "s" }),
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}),
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-- Let's configure the item's appearance
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-- source: https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance
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formatting = {
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-- Set order from left to right
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-- kind: single letter indicating the type of completion
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-- abbr: abbreviation of "word"; when not empty it is used in the menu instead of "word"
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-- menu: extra text for the popup menu, displayed after "word" or "abbr"
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fields = { 'abbr', 'menu' },
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-- customize the appearance of the completion menu
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format = function(entry, vim_item)
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vim_item.menu = ({
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nvim_lsp = '[Lsp]',
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luasnip = '[Luasnip]',
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buffer = '[File]',
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path = '[Path]',
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})[entry.source.name]
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return vim_item
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end,
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},
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-- Set source precedence
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sources = cmp.config.sources({
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{ name = 'nvim_lsp' }, -- For nvim-lsp
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{ name = 'luasnip' }, -- For luasnip user
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{ name = 'buffer' }, -- For buffer word completion
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{ name = 'path' }, -- For path completion
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})
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})
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