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nvim_context_vt

Shows virtual text of the current context after functions, methods, statements, etc.

nvim_context_vt

How to install

Use your favourite package manager and install treesitter alongside this plugin. No configuration is required out of the box.

Advanced usage

To customize the behavior use the setup function:

require('nvim_context_vt').setup({
  -- Enable by default. You can disable and use :NvimContextVtToggle to maually enable.
  -- Default: true
  enabled = true,

  -- Override default virtual text prefix
  -- Default: '-->'
  prefix = '',

  -- Override the internal highlight group name
  -- Default: 'ContextVt'
  highlight = 'CustomContextVt',

  -- Disable virtual text for given filetypes
  -- Default: { 'markdown' }
  disable_ft = { 'markdown' },

  -- Disable display of virtual text below blocks for indentation based languages like Python
  -- Default: false
  disable_virtual_lines = false,

  -- Same as above but only for spesific filetypes
  -- Default: {}
  disable_virtual_lines_ft = { 'yaml' },

  -- How many lines required after starting position to show virtual text
  -- Default: 1 (equals two lines total)
  min_rows = 1,

  -- Same as above but only for spesific filetypes
  -- Default: {}
  min_rows_ft = {},

  -- Custom virtual text node parser callback
  -- Default: nil
  custom_parser = function(node, ft, opts)
    local utils = require('nvim_context_vt.utils')

    -- If you return `nil`, no virtual text will be displayed.
    if node:type() == 'function' then
      return nil
    end

    -- This is the standard text
    return opts.prefix .. ' ' .. utils.get_node_text(node)[1]
  end,

  -- Custom node validator callback
  -- Default: nil
  custom_validator = function(node, ft, opts)
    -- Internally a node is matched against min_rows and configured targets
    local default_validator = require('nvim_context_vt.utils').default_validator
    if default_validator(node, ft) then
      -- Custom behaviour after using the internal validator
      if node:type() == 'function' then
        return false
      end
    end

    return true
  end,

  -- Custom node virtual text resolver callback
  -- Default: nil
  custom_resolver = function(nodes, ft, opts)
    -- By default the last node is used
    return nodes[#nodes]
  end,
})

Commands

  • :NvimContextVtToggle - Enable/disable context virtual text

Debug

If you don't see the expected context vitual text, run :NvimContextVtDebug to print out the context tree. Use this information to open a pull-request or an issue to add support.

License

MIT