feat: add alpha.nvim integration (#1906)

1 files changed, 62 insertions, 0 deletions

diff --git a/lua/lvim/core/alpha.lua b/lua/lvim/core/alpha.lua
new file mode 100644
index 00000000..67099923
--- /dev/null
+++ b/lua/lvim/core/alpha.lua
@@ -0,0 +1,62 @@
+local M = {}
+
+function M.config()
+  local lvim_dashboard = require "lvim.core.alpha.dashboard"
+  local lvim_startify = require "lvim.core.alpha.startify"
+  lvim.builtin.alpha = {
+    dashboard = { config = {}, section = lvim_dashboard.get_sections() },
+    startify = { config = {}, section = lvim_startify.get_sections() },
+    active = true,
+    mode = "dashboard",
+  }
+end
+
+local function resolve_buttons(theme_name, entries)
+  local selected_theme = require("alpha.themes." .. theme_name)
+  local val = {}
+  for _, entry in pairs(entries) do
+    local on_press = function()
+      local sc_ = entry[1]:gsub("%s", ""):gsub("SPC", "<leader>")
+      local key = vim.api.nvim_replace_termcodes(sc_, true, false, true)
+      vim.api.nvim_feedkeys(key, "normal", false)
+    end
+    local button_element = selected_theme.button(entry[1], entry[2], entry[3])
+    -- this became necessary after recent changes in alpha.nvim (06ade3a20ca9e79a7038b98d05a23d7b6c016174)
+    button_element.on_press = on_press
+    table.insert(val, button_element)
+  end
+  return val
+end
+
+local function resolve_config(theme_name)
+  local selected_theme = require("alpha.themes." .. theme_name)
+  local resolved_section = selected_theme.section
+  local section = lvim.builtin.alpha[theme_name].section
+
+  for name, el in pairs(section) do
+    for k, v in pairs(el) do
+      if name:match "buttons" and k == "entries" then
+        resolved_section[name].val = resolve_buttons(theme_name, v)
+      elseif v then
+        resolved_section[name][k] = v
+      end
+    end
+  end
+
+  return selected_theme.config
+end
+
+function M.setup()
+  local alpha = require "alpha"
+  local mode = lvim.builtin.alpha.mode
+  local config = lvim.builtin.alpha[mode].config
+
+  -- this makes it easier to use a completely custom configuration
+  if vim.tbl_isempty(config) then
+    config = resolve_config(mode)
+  end
+
+  alpha.setup(config)
+end
+
+return M