init

lua/utils.lua

@@ -0,0 +1,46 @@
+local M = {}
+
+M.merge_tables = function(t1, t2)
+    if type(t1) ~= "table" or type(t2) ~= "table" then return end
+    for k, v in pairs(t2) do
+        t1[k] = v
+    end
+end
+
+M.lighten = function(hex, factor)
+    -- Remove # if present
+    hex = hex:gsub("#", "")
+
+    -- Convert hex to RGB
+    local r = tonumber(hex:sub(1, 2), 16)
+    local g = tonumber(hex:sub(3, 4), 16)
+    local b = tonumber(hex:sub(5, 6), 16)
+
+    -- Apply lighten factor
+    r = math.min(255, math.floor(r + (255 - r) * factor))
+    g = math.min(255, math.floor(g + (255 - g) * factor))
+    b = math.min(255, math.floor(b + (255 - b) * factor))
+
+    -- Convert back to hex
+    return string.format("#%02X%02X%02X", r, g, b)
+end
+
+M.darken = function(hex, factor)
+    -- Remove # if present
+    hex = hex:gsub("#", "")
+
+    -- Convert hex to RGB
+    local r = tonumber(hex:sub(1, 2), 16)
+    local g = tonumber(hex:sub(3, 4), 16)
+    local b = tonumber(hex:sub(5, 6), 16)
+
+    -- Apply darken factor
+    r = math.max(0, math.floor(r * (1 - factor)))
+    g = math.max(0, math.floor(g * (1 - factor)))
+    b = math.max(0, math.floor(b * (1 - factor)))
+
+    -- Convert back to hex
+    return string.format("#%02X%02X%02X", r, g, b)
+end
+
+return M