Add basic lua based neovim config

.config/nvim/init.lua:
Add basic lua based neovim config.

1 files changed, 203 insertions, 0 deletions

diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
new file mode 100644
index 0000000..b554b81
--- /dev/null
+++ b/.config/nvim/init.lua
@@ -0,0 +1,203 @@
+-- color
+vim.o.termguicolors = true
+
+-- Lines
+vim.o.number = true -- show line numbers
+vim.o.history = 10000 -- store 10k lines of :cmd history
+vim.o.showtabline = 2 -- Always show tab pages line
+vim.o.showmode = false -- Do not echo the mode, status line will display it
+vim.opt.wildmode:prepend { 'longest:full' } -- Incremental command-line completions
+vim.opt.cursorline = true
+vim.o.nowrap = true
+vim.o.linebreak = true
+
+-- Search
+vim.o.ignorecase = true -- Ignore case
+vim.o.smartcase = true -- .. unless "pattern contains upper case characters"
+
+-- indentation
+vim.o.autoindent = true
+vim.o.smartindent = true
+vim.o.smarttab = true
+vim.o.expandtab = true
+vim.o.shiftwidth = 2
+vim.o.softtabstop = 2
+vim.o.tabstop = 2
+
+-- character display
+vim.o.listchars = 'tab:>-,trail:·,nbsp:+'
+vim.o.list = true
+
+-- file editing
+vim.o.noswapfile = true
+vim.o.nobackup = true
+vim.o.nowb = true
+vim.opt.swapfile = false
+vim.o.undofile = true
+
+-- ignore patterns when expanding wildcards
+vim.opt.wildignore = {
+  '*.o,*.obj,*~',
+  '*vim/backups*',
+  '*nvim/undo*',
+  '*sass-cache*',
+  '*DS_Store*',
+  'vendor/rails/**',
+  'vendor/cache/**',
+  '*.gem',
+  'log/**',
+  'tmp/**',
+  '*.png,*.jpg,*.gif',
+}
+
+-- ultisnips: https://github.com/SirVer/ultisnips
+-- vim.g['UltiSnipsSnippetDirectories'] = {"~/.local/share/UltiSnips/"}
+vim.g['UltiSnipsExpandTrigger'] = "<tab>"
+vim.g['UltiSnipsJumpForwardTrigger'] = "<c-j>"
+vim.g['UltiSnipsJumpBackwardTrigger'] = "<c-k>"
+
+-- gopass: https://github.com/gopasspw/gopass
+vim.api.nvim_create_autocmd({'BufNewFile', 'BufRead'}, {
+  pattern = '/dev/shm/gopass*',
+  desc = 'Disable backup, undo and swap when editing gopass secrets',
+  callback = function()
+    vim.api.nvim_set_option_value('swapfile', false, {['scope'] = 'local'})
+    vim.api.nvim_set_option_value('backup', false, {['scope'] = 'local'})
+    vim.api.nvim_set_option_value('undofile', false, {['scope'] = 'local'})
+    vim.api.nvim_set_option_value('shada', '', {['scope'] = 'local'})
+  end
+})
+
+-- ale: https://github.com/dense-analysis/ale
+vim.g['ale_completion_enabled'] = 1
+vim.g['ale_linters'] = { ['rust'] = {'rustc', 'analyzer'} }
+vim.opt.omnifunc = 'ale#completion#OmniFunc'
+
+-- scnvim: https://github.com/davidgranstrom/scnvim
+
+-- Diagnostic mappings
+local opts = { noremap = true, silent = true }
+vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
+vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
+vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
+vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  callback = function(args)
+    local bufnr = args.buf
+    local client = vim.lsp.get_client_by_id(args.data.client_id)
+    local capabilities = client.server_capabilities
+
+    -- LSP mappings
+    local lsp_formatting = function()
+      vim.lsp.buf.format({
+        bufnr = bufnr,
+        filter = function()
+          return client.name ~= 'sumneko_lua' or 'tsserver'
+        end,
+      })
+    end
+
+    local bufopts = { noremap = true, silent = true, buffer = bufnr }
+    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
+    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
+    -- if capabilities.hoverProvider and client.name ~= 'null-ls' then
+    --   vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
+    -- end
+    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
+    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
+    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
+    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
+    vim.keymap.set('n', '<space>wl', function()
+      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+    end, bufopts)
+    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
+    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
+    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
+    vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
+    vim.keymap.set('n', '<space>f', lsp_formatting, bufopts)
+
+    -- Capabilities checks
+    if capabilities.colorProvider then
+      require('document-color').buf_attach(bufnr)
+    end
+
+    if capabilities.documentHighlightProvider then
+      vim.api.nvim_create_augroup('lsp_document_highlight', {
+        clear = false,
+      })
+      vim.api.nvim_clear_autocmds({
+        buffer = bufnr,
+        group = 'lsp_document_highlight',
+      })
+      vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
+        group = 'lsp_document_highlight',
+        buffer = bufnr,
+        callback = vim.lsp.buf.document_highlight,
+      })
+      vim.api.nvim_create_autocmd('CursorMoved', {
+        group = 'lsp_document_highlight',
+        buffer = bufnr,
+        callback = vim.lsp.buf.clear_references,
+      })
+    end
+
+    if capabilities.signatureHelpProvider then
+      require('lsp_signature').on_attach()
+    end
+  end,
+})
+
+-- lsp_inlayhints needs release: https://github.com/lvimuser/lsp-inlayhints.nvim/issues/29
+-- vim.api.nvim_create_augroup('LspAttach_inlayhints', {})
+-- vim.api.nvim_create_autocmd('LspAttach', {
+--   group = 'LspAttach_inlayhints',
+--   callback = function(args)
+--     if not (args.data and args.data.client_id) then
+--       return
+--     end
+-- 
+--     local bufnr = args.buf
+--     local client = vim.lsp.get_client_by_id(args.data.client_id)
+--     require('lsp-inlayhints').on_attach(client, bufnr)
+--   end,
+-- })
+
+-- local on_attach = function(client)
+--     require'completion'.on_attach(client)
+-- end
+
+local lsp_flags = {
+  debounce_text_changes = 150,
+}
+require('lspconfig')['pyright'].setup{
+    on_attach = on_attach,
+    flags = lsp_flags,
+}
+require('lspconfig')['tsserver'].setup{
+    on_attach = on_attach,
+    flags = lsp_flags,
+}
+
+require('lspconfig')['rust_analyzer'].setup{
+    on_attach = on_attach,
+    flags = lsp_flags,
+    settings = {
+        ["rust-analyzer"] = {
+            imports = {
+                granularity = {
+                    group = "module",
+                },
+                prefix = "self",
+            },
+            cargo = {
+                buildScripts = {
+                    enable = true,
+                },
+            },
+            procMacro = {
+                enable = true
+            },
+        }
+    }
+}