JS: don't trim escapes in tagged template expression, fixes #701

tdewolff · May 15, 2024 · 35ef965 · 35ef965
1 parent 19a374b
commit 35ef965
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/js/js.go b/js/js.go
@@ -1133,10 +1133,18 @@ func (m *jsMinifier) minifyExpr(i js.IExpr, prec js.OpPrec) {
  parentInFor := m.inFor
  m.inFor = false
  for _, item := range expr.List {
- m.write(replaceEscapes(item.Value, '`', 1, 2))
+ if expr.Tag == nil {
+ m.write(replaceEscapes(item.Value, '`', 1, 2))
+ } else {
+ m.write(item.Value)
+ }
  m.minifyExpr(item.Expr, js.OpExpr)
  }
- m.write(replaceEscapes(expr.Tail, '`', 1, 1))
+ if expr.Tag == nil {
+ m.write(replaceEscapes(expr.Tail, '`', 1, 1))
+ } else {
+ m.write(expr.Tail)
+ }
  m.inFor = parentInFor
  case *js.NewExpr:
  if expr.Args == nil && js.OpLHS < prec && prec != js.OpNew {

diff --git a/js/js_test.go b/js/js_test.go
@@ -817,6 +817,7 @@ func TestJS(t *testing.T) {
  {`for(!a;b;c);`, "for(!a;b;c);"}, // #656
  {"var a = /*! comment */ b;", "/*! comment */var a=b"}, // #664
  {`var c="";for(let i=0;;);var d="";for(let i=0;;);`, `var d,c="";for(let i=0;;);d="";for(let i=0;;);`}, // #687
+ {"String.raw`\\b`", "String.raw`\\b`"}, // #701
  }
 
  m := minify.New()