vendor dependencies with dep

vendor/github.com/vanng822/go-premailer/premailer/util.go

@@ -0,0 +1,24 @@
+package premailer
+
+import (
+	"github.com/vanng822/css"
+)
+
+func copyRule(selector string, rule *css.CSSRule) *css.CSSRule {
+	// copy rule for each selector
+	styles := make(map[string]*css.CSSStyleDeclaration)
+	for prop, s := range rule.Style.Styles {
+		styles[prop] = css.NewCSSStyleDeclaration(s.Property, s.Value, s.Important)
+	}
+	copiedStyle := css.CSSStyleRule{SelectorText: selector, Styles: styles}
+	copiedRule := &css.CSSRule{Type: rule.Type, Style: copiedStyle}
+	return copiedRule
+}
+
+func makeRuleImportant(rule *css.CSSRule) string {
+	// this for using Text() which has nice sorted props
+	for _, s := range rule.Style.Styles {
+		s.Important = 1
+	}
+	return rule.Style.Text()
+}