moar nvim: snippets and other things

nvim/lua/utils/cmd.lua

@@ -0,0 +1,45 @@
+
+local luasnip = require('luasnip')
+local cmp = require('cmp')
+
+local M = {}
+
+function M.selectNext(opts)
+    return cmp.mapping(function(fallback)
+        if cmp.visible() then
+            cmp.select_next_item(opts or {})
+        elseif luasnip.locally_jumpable(1) then
+            luasnip.jump(1)
+        else
+            fallback()
+        end
+    end, {"i", "s"})
+end
+
+function M.selectPrev(opts)
+    return cmp.mapping(function(fallback)
+        if cmp.visible() then
+            cmp.select_prev_item(opts or {})
+        elseif luasnip.locally_jumpable(-1) then
+            luasnip.jump(-1)
+        else
+            fallback()
+        end
+    end, {"i", "s"})
+end
+
+function M.confirm(opts)
+    return cmp.mapping(function(fallback)
+        if cmp.visible() then
+            if luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+            else
+                cmp.confirm(opts or {})
+            end
+        else
+            fallback()
+        end
+    end)
+end
+
+return M

nvim/lua/utils/lsp.lua

@@ -0,0 +1,22 @@
+
+local M = {}
+
+function M.document_highlight(bufnr)
+    local group = vim.api.nvim_create_augroup('lsp_document_highlight', { clear = false })
+    vim.api.nvim_clear_autocmds({
+        buffer = bufnr,
+        group = group,
+    })
+    vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
+        group = group,
+        buffer = bufnr,
+        callback = vim.lsp.buf.document_highlight,
+    })
+    vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
+        group = group,
+        buffer = bufnr,
+        callback = vim.lsp.buf.clear_references,
+    })
+end
+
+return M