config(nvim): refactor a lot.

1 files changed, 44 insertions, 0 deletions

diff --git a/configs/nvim/lua/crupest/utils/nvim.lua b/configs/nvim/lua/crupest/utils/nvim.lua
new file mode 100644
index 0000000..ac732fd
--- /dev/null
+++ b/configs/nvim/lua/crupest/utils/nvim.lua
@@ -0,0 +1,44 @@
+local function list_listed_bufs()
+    local bufs = vim.api.nvim_list_bufs()
+    local result = {}
+    for _, v in ipairs(bufs) do
+        if vim.fn.buflisted(v) ~= 0 then
+            table.insert(result, v)
+        end
+    end
+    return result
+end
+
+-- list the windows that are currently editing the given buffer
+local function list_wins_editing_buf(buf)
+    local wins = vim.api.nvim_list_wins()
+    local result = {}
+    for _, win in ipairs(wins) do
+        if vim.api.nvim_win_get_buf(win) == buf then
+            table.insert(result, win)
+        end
+    end
+    return result
+end
+
+local function buf_is_normal(buf)
+    return vim.fn.bufexists(buf) ~= 0 and vim.fn.buflisted(buf) ~= 0
+end
+
+
+local function close_float()
+    local wins = vim.api.nvim_list_wins()
+    for _, v in ipairs(wins) do
+        if vim.api.nvim_win_get_config(v).relative ~= '' then
+            vim.api.nvim_win_close(v, false)
+        end
+    end
+end
+
+return {
+    list_listed_bufs = list_listed_bufs,
+    buf_is_normal = buf_is_normal,
+    list_wins_editing_buf = list_wins_editing_buf,
+    close_float = close_float,
+}
+