feat(#3037): add API node.buffer.delete, node.buffer.wipe

doc/nvim-tree-lua.txt

@@ -2164,6 +2164,12 @@ node.run.cmd({node})                            *nvim-tree-api.node.run.cmd()*
 node.run.system({node})                      *nvim-tree-api.node.run.system()*
     Execute |nvim-tree.system_open|
 
+node.buffer.delete({node})                      *nvim-tree-api.node.buffer.delete()*
+    Deletes node's related buffer.
+
+node.buffer.wipe({node})                      *nvim-tree-api.node.buffer.wipe()*
+    Same as |api.node.buffer.delete()|, but runs :bwipe instead of :bdelete.
+
 ==============================================================================
  6.4 API GIT                                               *nvim-tree-api.git*
 
@@ -3178,6 +3184,8 @@ highlight group is not, hard linking as follows: >
 |nvim-tree-api.marks.navigate.prev()|
 |nvim-tree-api.marks.navigate.select()|
 |nvim-tree-api.marks.toggle()|
+|nvim-tree-api.node.buffer.delete()|
+|nvim-tree-api.node.buffer.wipe()|
 |nvim-tree-api.node.navigate.diagnostics.next()|
 |nvim-tree-api.node.navigate.diagnostics.next_recursive()|
 |nvim-tree-api.node.navigate.diagnostics.prev()|

lua/nvim-tree/actions/node/buffer.lua

@@ -0,0 +1,58 @@
+-- Copyright 2019 Yazdani Kiyan under MIT License
+local notify = require("nvim-tree.notify")
+
+local M = {}
+
+---@param node Node
+---@param opts ApiNodeDeleteWipeBufferOpts|nil
+---@return nil
+function M.delete(node, opts)
+  M.delete_buffer("delete", node.absolute_path, opts)
+end
+
+---@param node Node
+---@param opts ApiNodeDeleteWipeBufferOpts|nil
+---@return nil
+function M.wipe(node, opts)
+  M.delete_buffer("wipe", node.absolute_path, opts)
+end
+
+---@alias ApiNodeDeleteWipeBufferMode '"delete"'|'"wipe"'
+
+---@param mode ApiNodeDeleteWipeBufferMode
+---@param filename string
+---@param opts ApiNodeDeleteWipeBufferOpts|nil
+---@return nil
+function M.delete_buffer(mode, filename, opts)
+  if type(mode) ~= "string" then
+    mode = "delete"
+  end
+
+  local buf_fn = vim.cmd.bdelete
+  if mode == "wipe" then
+    buf_fn = vim.cmd.bwipe
+  end
+
+  opts = opts or { force = false }
+
+  local notify_node = notify.render_path(filename)
+
+  -- check if buffer for file at cursor exists and if it is loaded
+  local bufnr_at_filename = vim.fn.bufnr(filename)
+  if bufnr_at_filename == -1 or vim.fn.getbufinfo(bufnr_at_filename)[1].loaded == 0 then
+    notify.info("No loaded buffer coincides with " .. notify_node)
+    return
+  end
+
+  local force = opts.force
+  -- check if buffer is modified
+  local buf_modified = vim.fn.getbufinfo(bufnr_at_filename)[1].changed
+  if not force and buf_modified == 1 then
+    notify.error("Buffer for file " .. notify_node .. " is modified")
+    return
+  end
+
+  buf_fn({ filename, bang = force })
+end
+
+return M

lua/nvim-tree/actions/node/init.lua

@@ -4,6 +4,7 @@ M.file_popup = require("nvim-tree.actions.node.file-popup")
 M.open_file = require("nvim-tree.actions.node.open-file")
 M.run_command = require("nvim-tree.actions.node.run-command")
 M.system_open = require("nvim-tree.actions.node.system-open")
+M.buffer = require("nvim-tree.actions.node.buffer")
 
 function M.setup(opts)
   require("nvim-tree.actions.node.system-open").setup(opts)

lua/nvim-tree/api.lua

@@ -24,6 +24,7 @@ local Api = {
     },
     run = {},
     open = {},
+    buffer = {},
   },
   events = {},
   marks = {
@@ -286,6 +287,16 @@ Api.node.navigate.diagnostics.prev_recursive = wrap_node(actions.moves.item.fn({
 Api.node.navigate.opened.next = wrap_node(actions.moves.item.fn({ where = "next", what = "opened" }))
 Api.node.navigate.opened.prev = wrap_node(actions.moves.item.fn({ where = "prev", what = "opened" }))
 
+---@class ApiNodeDeleteWipeBufferOpts
+---@field force boolean|nil default false
+
+Api.node.buffer.delete = wrap_node(function(node, opts)
+  actions.node.buffer.delete(node, opts)
+end)
+Api.node.buffer.wipe = wrap_node(function(node, opts)
+  actions.node.buffer.wipe(node, opts)
+end)
+
 Api.git.reload = wrap_explorer("reload_git")
 
 Api.events.subscribe = events.subscribe