49e25fdc18
* Add picker docs * Update tab for example * Make example syntax work * Expand built in docs
179 lines
3.8 KiB
Markdown
179 lines
3.8 KiB
Markdown
# telescope.nvim
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Gaze deeply into unknown regions using the power of the moon.
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[Example video](https://www.youtube.com/watch?v=65AVwHZflsU)
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## Installation
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```vim
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Plug 'nvim-lua/popup.nvim'
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Plug 'nvim-lua/plenary.nvim'
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Plug 'nvim-lua/telescope.nvim'
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```
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### Optional
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- bat (preview)
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- ripgrep (finder)
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- git (picker)
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- LSP (picker)
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- [devicons](https://github.com/kyazdani42/nvim-web-devicons)
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## Usage
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(I will write a longer description later about how to create each of the objects described in Pipeline)
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```lua
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-- Fuzzy find over git files in your directory
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require('telescope.builtin').git_files()
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-- Grep as you type (requires rg currently)
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require('telescope.builtin').live_grep()
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-- Use builtin LSP to request references under cursor. Fuzzy find over results.
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require('telescope.builtin').lsp_references()
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-- Convert currently quickfixlist to telescope
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require('telescope.builtin').quickfix()
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```
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### Example
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```vimscript
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nnoremap <Leader>p :lua require'telescope.builtin'.git_files{}<CR>
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```
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```vimscript
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nnoremap <silent> gr <cmd>lua require'telescope.builtin'.lsp_references{}<CR>
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```
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## Status (Unstable API)
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While the underlying API & Infrastructure (A.K.A. Spaghetti Code) is still very much WIP and
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will probably change quite a bit, the functions in `builtin` should be relatively stable (as
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in, you can report bugs if they don't work, you should be able to keep them around in your config
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even if everything inside of those functions is rewritten. They provide pretty simple, easy to use
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wrappers over common tasks).
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## API
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### `builtin`
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```lua
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require'telescope.builtin'.git_files{
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-- See Picker for additional options
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show_preview = true, -- Show preview
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prompt = "Git File",
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selection_strategy = "reset" -- follow, reset, line
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}
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```
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```lua
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require'telescope.builtin'.live_grep{
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-- See Picker for additional options
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prompt = "Live Grep",
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}
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```
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```lua
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require'telescope.builtin'.lsp_references{
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-- See Picker for additional options
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prompt = 'LSP References'
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}
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```
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```lua
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require'telescope.builtin'.quickfix{
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-- See Picker for additional options
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prompt = 'Quickfix'
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}
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```
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```lua
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require'telescope.builtin'.grep_string{
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-- See Picker for additional options
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prompt = 'Find Word',
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search = false -- Search term or <cword>
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}
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```
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```lua
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require'telescope.builtin'.oldfiles{
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-- See Picker for additional options
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prompt = 'Oldfiles',
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}
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```
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## Goals
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### Pipeline Different Objects
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(Please note, this section is still in progress)
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"finder":
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- executable: rg, git ls-files, ...
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- things in lua already
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- vim things
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```lua
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-- lua/telescope/finders.lua
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Finder:new{
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entry_maker = function(line) end,
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fn_command = function() { command = "", args = { "ls-files" } } end,
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static = false,
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maximum_results = false
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}
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```
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"picker":
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- fzf
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- sk
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- does this always need to be fuzzy?
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- you'll map what you want to do with vimscript / lua mappings
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Defaults:
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### Picker
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```lua
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-- lua/telescope/pickers.lua
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Picker:new{
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prompt = "Git Files", -- REQUIRED
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finder = FUNCTION, -- REQUIRED
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sorter = FUNCTION, -- REQUIRED
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previewer = FUNCTION, -- REQUIRED
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mappings = {
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i = {
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["<C-n>"] = require'telescope.actions'.move_selection_next,
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["<C-p>"] = require'telescope.actions'.move_selection_previous,
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["<CR>"] = require'telescope.actions'.goto_file_selection,
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},
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n = {
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["<esc>"] = require'telescope.actions'.close,
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}
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},
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selection_strategy = "reset", -- follow, reset, line
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border = {},
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borderchars = { '─', '│', '─', '│', '┌', '┐', '┘', '└'},
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preview_cutoff = 120
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}
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```
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"previewer":
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- sometimes built-in
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- sometimes a lua callback
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As an example, you could pipe your inputs into fzf, and then it can sort them for you.
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fzf:
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- have a list of inputs
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- i have a prompt/things people typed
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- instantly return the stuff via stdout
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