Add Precision option

Author: bep

scss/common.go

@@ -25,9 +25,13 @@ const (
 )
 
 type Options struct {
+	//TODO(bep) icon font path
 	// Default is nested.
 	OutputStyle OutputStyle
 
+	// Precision of floating point math.
+	Precision int
+
 	// File paths to use to resolve imports.
 	IncludePaths []string
 

scss/libsass/transpiler.go

@@ -44,6 +44,10 @@ func (t *libsassTranspiler) Execute(dst io.Writer, src io.Reader) error {
 		defer libs.RemoveImporter(idx)
 	}
 
+	if t.options.Precision != 0 {
+		libs.SassOptionSetPrecision(opts, t.options.Precision)
+	}
+
 	libs.SassOptionSetSourceMapEmbed(opts, t.options.EnableEmbeddedSourceMap)
 	libs.SassOptionSetIncludePath(opts, strings.Join(t.options.IncludePaths, string(os.PathListSeparator)))
 	//libs.SassOptionSetPrecision(opts, TODO)