posts-go/posts/2023-05-03-neovim.md

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# My neovim workflow
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![nvim-000](https://raw.githubusercontent.com/haunt98/posts-images/main/nvim-000.jxl)
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All configs are in [my dotfiles](https://github.com/haunt98/dotfiles).
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## Trick or treat
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Search current word: `*`
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Search multiple words:
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```vim
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:/\vword1|word2|word3
```
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Replace word:
```vim
:%s/word1/word2/g
```
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Delete all lines contain word:
```vim
:g/word/d
```
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Delete all lines **not** contain word:
```vim
:g!/word/d
:v/word/d
```
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Play macro (after selecting lines):
```vim
:norm! @a
```
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Sort lines (after selecting lines):
```vim
:sort -u
```
Reverse lines (after selcting lines):
```vim
:!tail -r
```
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Column-ize lines:
```vim
:!column -t
```
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## Jumpo
Basic:
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- `gg`: first line
- `G`: last line
- `0`: first character of line
- `$`: last character of line
- `w`, `b`: word forward/backward
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- `e`, `ge`: end of word current/before
- `W`, `B`: WORD (word with special char) forward/backward
- `E`, `gE`: end of WORD current/before
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- `f{char}`, `F{char}`: find forward/backward character
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- `%`: jump between matching pair of `()`, `[]`, `{}`
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Advance:
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- `CTRL-O`, `CTRL-I`: cursor position backward/forward
- `{`, `}`: paragraph backward/forward
- `H`: top of screen
- `M`: middle of screen
- `L`: bottom of screen
- `CTRL-]`, `CTRL-T`: jump to tag/jump back from tag
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- Support jump to Go definition with
[fatih/vim-go](https://github.com/fatih/vim-go).
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## Fold
- `zR`: open all folds.
- `za`, `zA`: toggle fold
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## Keymap
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Use both `\` and `;` as leader key:
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```lua
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vim.keymap.set("n", ";", "<Leader>", { remap = true })
vim.keymap.set("n", "'", "<Leader>", { remap = true })
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```
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Ground rules:
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- `<Leader>` prefix: prefer global keymap
- `<Space>` prefix: prefer lsp keymap, for coding of course :D
- With [ibhagwan/fzf-lua](https://github.com/ibhagwan/fzf-lua):
- `<Leader>f`: find files
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- `<Leader>l`: find lines
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- `<Leader>rg`: grep files
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- With [neovim/nvim-lspconfig](https://github.com/neovim/nvim-lspconfig)
helps:
- `<Space>s`: find lsp symbols
- `<Space>d`: go to definition
- `<Space>r`: go to references
- `<Space>i`: go to implementation
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- With [nvim-tree/nvim-tree.lua](https://github.com/nvim-tree/nvim-tree.lua),
inside nvim-tree:
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- `<C-n>`: toggle
- `<Leader>n`: locate file
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- `a`: create
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- `d`: delete
- `r`: rename
- `x`: cut
- `c`: copy
- `p`: paste
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- `U`: toggle hidden
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- With [lewis6991/gitsigns.nvim](https://github.com/lewis6991/gitsigns.nvim):
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- `]c`, `[c`: next/previous git change
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- With [tpope/vim-projectionist](https://github.com/tpope/vim-projectionist)
- `:A`: open alternate file
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- With [echasnovski/mini.nvim](https://github.com/echasnovski/mini.nvim)
- With mini-bracketed
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- `[D`, `]D`, `[d`, `]d`: diagnostic backward/forward
- `[Q`, `]Q`, `[q`, `]q`: quickfix backward/forward
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- `[T`, `]T`, `[t`, `]t`: tree-sitter backward/forward
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- Support more languages with
[nvim-treesitter/nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter)
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- With mini-comment
- `gcc`: comment/uncomment current line
- `gc`: comment/uncomment selected lines
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- With mini-completion
- `<C-Space>`: trigger completion
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- With mini-surround
- `sa`: add surround
- `sd`: delete surround
- `sr`: replace surround
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- With [neovim/nvim-lspconfig](https://github.com/neovim/nvim-lspconfig):
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- `<Space>e`: float diagnostic
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- `<Space>k`: hover
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- `<F2>`: rename
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- `<Space>f`: format code
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- `<Space>ca`: code action
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- `<Space>ci`: organize imports
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## References / Thanks
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- vim docs:
- [Seven habits of effective text editing 2.0](https://moolenaar.net/habits_2007.pdf)
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- neovim official docs:
- [neovim Motion](https://neovim.io/doc/user/motion.html)
- [neovim Tagsrch](http://neovim.io/doc/user/tagsrch.html)
- [neovim Lua-guide](https://neovim.io/doc/user/lua-guide.html)
- Hidden gem:
- [Vim Tips (Revisited)](https://bluz71.github.io/2021/09/10/vim-tips-revisited.html)
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- [How do I reverse selected lines order in Vim?](https://superuser.com/a/189956)
- [Use Vim macros to automate frequent tasks](https://www.redhat.com/sysadmin/use-vim-macros)
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- [3 Vim commands for blazingly fast navigation between brackets ⚡](https://dev.to/m4xshen/3-vim-commands-for-blazingly-fast-navigation-between-brackets-55kc)