Gofmt on save in nvim

4 files changed, 167 insertions, 25 deletions

diff --git a/.config/coc/extensions/package.json b/.config/coc/extensions/package.json
index 2eb42bd..7450a76 100644
--- a/.config/coc/extensions/package.json
+++ b/.config/coc/extensions/package.json
@@ -7,7 +7,8 @@
     "coc-java": ">=1.5.5",
     "coc-pairs": ">=1.3.2",
     "coc-python": ">=1.2.13",
-    "coc-tsserver": ">=1.10.5"
+    "coc-tsserver": ">=1.10.5",
+    "coc-flutter": ">=1.9.9"
   },
   "disabled": [],
   "locked": []
diff --git a/.config/coc/memos.json b/.config/coc/memos.json
index 23657ba..51d5f29 100644
--- a/.config/coc/memos.json
+++ b/.config/coc/memos.json
@@ -26,7 +26,7 @@
         "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
         "fileHash": "1910ec10c8373e45fce0a181a4651a5bb8a8f48f728505ba1e441738ff84b968807c6e14b1ea05c1eea8e5c16c62b0b1db885de7a7bbdca1916f0ebb790e9ce7"
       },
-      "expiry": 1668278228004
+      "expiry": 1668882677806
     },
     "/opt/homebrew/bin/python3.v3": {
       "data": {
@@ -51,7 +51,7 @@
         "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
         "fileHash": "0e69ba9c7283252581c51a1b17ac991b8c7c2f3218bed7e7267a66ea8db287d301355e226a8de1f0e1555b54ff263a1a8fc3a31d781814633e44eaad4a94dee0"
       },
-      "expiry": 1668278228006
+      "expiry": 1668882677815
     },
     "/opt/homebrew/bin/python3.8.v3": {
       "data": {
@@ -76,7 +76,7 @@
         "sysPrefix": "/opt/homebrew/Cellar/python@3.8/3.8.15/Frameworks/Python.framework/Versions/3.8",
         "fileHash": "cf6bca9eef82597c4d88213768bdfb8811199093c6ccdd85f3c598cd33fa6cbf143b1b07f04edbf3c8b62f914f4cdc520034cc8b4bf723a60cd72e30574eebff"
       },
-      "expiry": 1668278228001
+      "expiry": 1668882677818
     },
     "/opt/homebrew/bin/python3.9.v3": {
       "data": {
@@ -101,7 +101,7 @@
         "sysPrefix": "/opt/homebrew/opt/python@3.9/Frameworks/Python.framework/Versions/3.9",
         "fileHash": "b6d571c5b48c97e6988822ba142f973b5408a90a77a0ab98a680a44fd017417d1060ac62c75b2b1360c1fa7026f6de47a9c63aea20d7c348629d69e9ba8bb45d"
       },
-      "expiry": 1668278228022
+      "expiry": 1668882677830
     },
     "/opt/homebrew/opt/python@3.10/bin/python3.10.v3": {
       "data": {
@@ -126,7 +126,7 @@
         "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
         "fileHash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2"
       },
-      "expiry": 1668278228094
+      "expiry": 1668882677850
     },
     "INTERPRETERS_CACHE_v3_CurrentPathService": [
       {
@@ -174,7 +174,8 @@
       },
       "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
       "fileHash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2",
-      "type": "Unknown"
+      "type": "Unknown",
+      "cachedEntry": true
     },
     "preferredGlobalPyInterpreter": {
       "architecture": 3,
@@ -224,17 +225,19 @@
           "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
           "fileHash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2",
           "type": "Unknown",
-          "displayName": "Python 3.10.8 64-bit"
+          "cachedEntry": true,
+          "displayName": "Python 3.10.8 64-bit",
+          "__store": true
         }
       },
-      "expiry": 1668278228165
+      "expiry": 1668882677811
     },
     "/opt/homebrew/opt/python@3.10/bin/python3.10.interpreter.displayName.v7": {
       "data": {
         "displayName": "Python 3.10.8 64-bit",
         "hash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2-e6cd247a972cad6127b7bcb1809370f1"
       },
-      "expiry": 1668278228115
+      "expiry": 1668882677839
     },
     "/usr/local/bin/python3.v3": {
       "data": {
@@ -259,7 +262,7 @@
         "sysPrefix": "/usr/local/opt/python@3.9/Frameworks/Python.framework/Versions/3.9",
         "fileHash": "47e5e29f33ea67428f0eee0bc1f045f7ff86ab0878f21fc61e6d476c60cebf36ef81e63f7b97b134d74f4b7ba4ef0607cda3c00b11ac2a6f541e3743fe2c6c21"
       },
-      "expiry": 1668278228774
+      "expiry": 1668882677945
     },
     "/usr/local/bin/python3.9.v3": {
       "data": {
@@ -284,7 +287,7 @@
         "sysPrefix": "/usr/local/opt/python@3.9/Frameworks/Python.framework/Versions/3.9",
         "fileHash": "2eedc3183557a39ccf5e512205a78594fcc02e817273434752d8c1527276b75d42c3111c300b1465adc2d3b2c61c240b6655ea79ca6fa3d459822d66897b9f86"
       },
-      "expiry": 1668278228776
+      "expiry": 1668882677946
     },
     "/usr/bin/python3.v3": {
       "data": {
@@ -309,7 +312,7 @@
         "sysPrefix": "/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.9",
         "fileHash": "1eccbdcbe105feb81fc58cf4015784105c9ee5a828ceaae3cedd7ce9fe0a03d3e1055e17202fb253568442f0f861b0d125affe08747ea342cee2435802a03736"
       },
-      "expiry": 1668278228207
+      "expiry": 1668882677983
     },
     "INTERPRETERS_CACHE_v3_KnownPathsService": [
       {
@@ -641,35 +644,35 @@
         "displayName": "Python 3.10.8 64-bit",
         "hash": "0e69ba9c7283252581c51a1b17ac991b8c7c2f3218bed7e7267a66ea8db287d301355e226a8de1f0e1555b54ff263a1a8fc3a31d781814633e44eaad4a94dee0-89cfdd86c805836c556b88248b3b0809"
       },
-      "expiry": 1668279447882
+      "expiry": 1668711303540
     },
     "/opt/homebrew/bin/python3.8.interpreter.displayName.v7": {
       "data": {
         "displayName": "Python 3.8.15 64-bit",
         "hash": "cf6bca9eef82597c4d88213768bdfb8811199093c6ccdd85f3c598cd33fa6cbf143b1b07f04edbf3c8b62f914f4cdc520034cc8b4bf723a60cd72e30574eebff-51f59145312ea2eb2d6d6c3f521e5575"
       },
-      "expiry": 1668279447881
+      "expiry": 1668711303541
     },
     "/opt/homebrew/bin/python3.9.interpreter.displayName.v7": {
       "data": {
         "displayName": "Python 3.9.15 64-bit",
         "hash": "b6d571c5b48c97e6988822ba142f973b5408a90a77a0ab98a680a44fd017417d1060ac62c75b2b1360c1fa7026f6de47a9c63aea20d7c348629d69e9ba8bb45d-02e162736e7c9edd0bf4e7ae808fd501"
       },
-      "expiry": 1668279447877
+      "expiry": 1668711303542
     },
     "/usr/local/bin/python3.interpreter.displayName.v7": {
       "data": {
         "displayName": "Python 3.9.5 64-bit",
         "hash": "47e5e29f33ea67428f0eee0bc1f045f7ff86ab0878f21fc61e6d476c60cebf36ef81e63f7b97b134d74f4b7ba4ef0607cda3c00b11ac2a6f541e3743fe2c6c21-345e37cd55eb9b73c22a13e7fc48b206"
       },
-      "expiry": 1668279447878
+      "expiry": 1668711303543
     },
     "/usr/bin/python3.interpreter.displayName.v7": {
       "data": {
         "displayName": "Python 3.9.6 64-bit",
         "hash": "1eccbdcbe105feb81fc58cf4015784105c9ee5a828ceaae3cedd7ce9fe0a03d3e1055e17202fb253568442f0f861b0d125affe08747ea342cee2435802a03736-8f5d17f24a9d0c768b9211375618ba81"
       },
-      "expiry": 1668279447880
+      "expiry": 1668711303545
     },
     "InterpreterAutoSeletionRule-system": {
       "architecture": 3,
@@ -693,6 +696,7 @@
       "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
       "fileHash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2",
       "type": "Unknown",
+      "cachedEntry": true,
       "displayName": "Python 3.10.8 64-bit"
     },
     "/opt/homebrew/bin/python3.interpreter.Details.v7": {
@@ -723,7 +727,7 @@
           "displayName": "Python 3.10.8 64-bit"
         }
       },
-      "expiry": 1668279447896
+      "expiry": 1668711303551
     },
     "/opt/homebrew/bin/python3.8.interpreter.Details.v7": {
       "data": {
@@ -753,7 +757,7 @@
           "displayName": "Python 3.8.15 64-bit"
         }
       },
-      "expiry": 1668279447894
+      "expiry": 1668711303553
     },
     "/opt/homebrew/bin/python3.9.interpreter.Details.v7": {
       "data": {
@@ -783,7 +787,7 @@
           "displayName": "Python 3.9.15 64-bit"
         }
       },
-      "expiry": 1668279447889
+      "expiry": 1668711303555
     },
     "/usr/local/bin/python3.interpreter.Details.v7": {
       "data": {
@@ -813,7 +817,7 @@
           "displayName": "Python 3.9.5 64-bit"
         }
       },
-      "expiry": 1668279447890
+      "expiry": 1668711303557
     },
     "/usr/bin/python3.interpreter.Details.v7": {
       "data": {
@@ -843,7 +847,7 @@
           "displayName": "Python 3.9.6 64-bit"
         }
       },
-      "expiry": 1668279447893
+      "expiry": 1668711303559
     },
     "InterpreterAutoSeletionRule-cachedInterpreters": {
       "architecture": 3,
@@ -1107,5 +1111,34 @@
     },
     "INTERPRETERS_CACHE_v3_PipEnvService": [],
     "INTERPRETERS_CACHE_v3_WorkspaceVirtualEnvService": []
+  },
+  "coc-python|/Users/jmm/Documents/Projects/Experiments/imapTest": {
+    "INTERPRETERS_CACHE_v3_PipEnvService:28ebab2045718d741db6fcd905616ce1": [],
+    "INTERPRETERS_CACHE_v3_WorkspaceVirtualEnvService:28ebab2045718d741db6fcd905616ce1": [],
+    "autoSelectedWorkspacePythonInterpreter-/Users/jmm/Documents/Projects/Experiments/imapTest": {
+      "architecture": 3,
+      "path": "/opt/homebrew/opt/python@3.10/bin/python3.10",
+      "version": {
+        "options": {
+          "loose": false,
+          "includePrerelease": false
+        },
+        "loose": false,
+        "raw": "3.10.8-final",
+        "major": 3,
+        "minor": 10,
+        "patch": 8,
+        "prerelease": [
+          "final"
+        ],
+        "build": [],
+        "version": "3.10.8-final"
+      },
+      "sysPrefix": "/opt/homebrew/opt/python@3.10/Frameworks/Python.framework/Versions/3.10",
+      "fileHash": "36f5313ec0417c1c53a1ae2f73454216f7ae3f5e89517fcfabd3424122d0523c5ba275f5fcff93e126a8f68e5a03b275bcbe5cb412d43e0215b888b5aa0b74d2",
+      "type": "Unknown"
+    },
+    "INTERPRETERS_CACHE_v3_PipEnvService": [],
+    "INTERPRETERS_CACHE_v3_WorkspaceVirtualEnvService": []
   }
 }
\ No newline at end of file
diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 6ed4ff1..3c6dad3 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -62,10 +62,11 @@ Plug 'NLKNguyen/papercolor-theme'
 Plug 'nvim-lua/plenary.nvim'
 Plug 'nvim-telescope/telescope.nvim', { 'tag': '0.1.0' }
 Plug 'ThePrimeagen/harpoon'
+Plug 'neovim/nvim-lspconfig'
 call plug#end()
 
 " Goyo plugin makes text more readable when writing prose:
-map <leader>f :Goyo \| set bg=dark \| set linebreak<CR>
+map <leader>f :Goyo \| set linebreak<CR>
 
 " Commentary plugin
 map <leader>c :Commentary \| set linebreak<CR>
@@ -78,12 +79,19 @@ let g:coc_global_extensions = [
 	\ 'coc-clangd',
 	\ 'coc-go',
 	\ 'coc-pairs',
-	\ 'coc-python'
+	\ 'coc-python',
+	\ 'coc-flutter'
 	\ ]
 
 " runs gofmt when closing a go file.
 autocmd VimLeave *.go !gofmt -w %
 
+" This handles gofmt on save
+" https://www.getman.io/posts/programming-go-in-neovim/
+lua require("lsp_config")
+autocmd BufWritePre *.go lua vim.lsp.buf.formatting()
+autocmd BufWritePre *.go lua goimports(1000)
+
 set t_Co=256
 
 " ChangeBackground changes the background mode based on macOS's `Appearance`
diff --git a/.config/nvim/lua/lsp_config.lua b/.config/nvim/lua/lsp_config.lua
new file mode 100644
index 0000000..be7e018
--- /dev/null
+++ b/.config/nvim/lua/lsp_config.lua
@@ -0,0 +1,100 @@
+local nvim_lsp = require('lspconfig')
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities.textDocument.completion.completionItem.snippetSupport = true
+
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+  buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'ga', '<Cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+  buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+
+  -- Set some keybinds conditional on server capabilities
+  if client.resolved_capabilities.document_formatting then
+    buf_set_keymap("n", "ff", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
+  elseif client.resolved_capabilities.document_range_formatting then
+    buf_set_keymap("n", "ff", "<cmd>lua vim.lsp.buf.range_formatting()<CR>", opts)
+  end
+
+  -- Set autocommands conditional on server_capabilities
+  if client.resolved_capabilities.document_highlight then
+    vim.api.nvim_exec([[
+      hi LspReferenceRead cterm=bold ctermbg=DarkMagenta guibg=LightYellow
+      hi LspReferenceText cterm=bold ctermbg=DarkMagenta guibg=LightYellow
+      hi LspReferenceWrite cterm=bold ctermbg=DarkMagenta guibg=LightYellow
+      augroup lsp_document_highlight
+        autocmd! * <buffer>
+        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
+        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
+      augroup END
+    ]], false)
+  end
+end
+
+nvim_lsp.gopls.setup{
+	cmd = {'gopls'},
+	-- for postfix snippets and analyzers
+	capabilities = capabilities,
+	    settings = {
+	      gopls = {
+		      experimentalPostfixCompletions = true,
+		      analyses = {
+		        unusedparams = true,
+		        shadow = true,
+		     },
+		     staticcheck = true,
+		    },
+	    },
+	on_attach = on_attach,
+}
+
+  function goimports(timeoutms)
+    local context = { source = { organizeImports = true } }
+    vim.validate { context = { context, "t", true } }
+
+    local params = vim.lsp.util.make_range_params()
+    params.context = context
+
+    -- See the implementation of the textDocument/codeAction callback
+    -- (lua/vim/lsp/handler.lua) for how to do this properly.
+    local result = vim.lsp.buf_request_sync(0, "textDocument/codeAction", params, timeout_ms)
+    if not result or next(result) == nil then return end
+    local actions = result[1].result
+    if not actions then return end
+    local action = actions[1]
+
+    -- textDocument/codeAction can return either Command[] or CodeAction[]. If it
+    -- is a CodeAction, it can have either an edit, a command or both. Edits
+    -- should be executed first.
+    if action.edit or type(action.command) == "table" then
+      if action.edit then
+        vim.lsp.util.apply_workspace_edit(action.edit)
+      end
+      if type(action.command) == "table" then
+        vim.lsp.buf.execute_command(action.command)
+      end
+    else
+      vim.lsp.buf.execute_command(action)
+    end
+  end
+
+--vim.lsp.set_log_level("debug")
\ No newline at end of file