Add deprecation for hsla with percentage alpha

saper · Dec 13, 2018 · 4cda362 · 4cda362
1 parent aa9852b
commit 4cda362
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/src/fn_colors.cpp b/src/fn_colors.cpp
@@ -17,6 +17,16 @@ namespace Sass {
  starts_with(str, "var(");
  }
 
+ void hsla_alpha_percent_deprecation(const ParserState& pstate, const std::string val)
+ {
+
+ std::string msg("Passing a percentage as the alpha value to hsla() will be interpreted");
+ std::string tail("differently in future versions of Sass. For now, use " + val + " instead.");
+
+ deprecated(msg, tail, false, pstate);
+
+ }
+
  Signature rgb_sig = "rgb($red, $green, $blue)";
  BUILT_IN(rgb)
  {
@@ -211,6 +221,15 @@ namespace Sass {
  );
  }
 
+ Number_Ptr alpha = ARG("$alpha", Number);
+ if (alpha && alpha->unit() == "%") {
+ Number_Obj val = SASS_MEMORY_COPY(alpha);
+ val->numerators.clear(); // convert
+ val->value(val->value() / 100.0);
+ std::string nr(val->to_string(ctx.c_options));
+ hsla_alpha_percent_deprecation(pstate, nr);
+ }
+
  return SASS_MEMORY_NEW(Color_HSLA,
  pstate,
  ARGVAL("$hue"),