update dependencies (#6267)

Signed-off-by: hongming <coder.scala@gmail.com>

vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_writer.go

@@ -23,11 +23,15 @@ import (
 )
 
 // ExtJSONValueWriterPool is a pool for ExtJSON ValueWriters.
+//
+// Deprecated: ExtJSONValueWriterPool will not be supported in Go Driver 2.0.
 type ExtJSONValueWriterPool struct {
 	pool sync.Pool
 }
 
 // NewExtJSONValueWriterPool creates a new pool for ValueWriter instances that write to ExtJSON.
+//
+// Deprecated: ExtJSONValueWriterPool will not be supported in Go Driver 2.0.
 func NewExtJSONValueWriterPool() *ExtJSONValueWriterPool {
 	return &ExtJSONValueWriterPool{
 		pool: sync.Pool{
@@ -39,6 +43,8 @@ func NewExtJSONValueWriterPool() *ExtJSONValueWriterPool {
 }
 
 // Get retrieves a ExtJSON ValueWriter from the pool and resets it to use w as the destination.
+//
+// Deprecated: ExtJSONValueWriterPool will not be supported in Go Driver 2.0.
 func (bvwp *ExtJSONValueWriterPool) Get(w io.Writer, canonical, escapeHTML bool) ValueWriter {
 	vw := bvwp.pool.Get().(*extJSONValueWriter)
 	if writer, ok := w.(*SliceWriter); ok {
@@ -53,6 +59,8 @@ func (bvwp *ExtJSONValueWriterPool) Get(w io.Writer, canonical, escapeHTML bool)
 
 // Put inserts a ValueWriter into the pool. If the ValueWriter is not a ExtJSON ValueWriter, nothing
 // happens and ok will be false.
+//
+// Deprecated: ExtJSONValueWriterPool will not be supported in Go Driver 2.0.
 func (bvwp *ExtJSONValueWriterPool) Put(vw ValueWriter) (ok bool) {
 	bvw, ok := vw.(*extJSONValueWriter)
 	if !ok {
@@ -80,6 +88,7 @@ type extJSONValueWriter struct {
 	frame      int64
 	canonical  bool
 	escapeHTML bool
+	newlines   bool
 }
 
 // NewExtJSONValueWriter creates a ValueWriter that writes Extended JSON to w.
@@ -88,10 +97,13 @@ func NewExtJSONValueWriter(w io.Writer, canonical, escapeHTML bool) (ValueWriter
 		return nil, errNilWriter
 	}
 
-	return newExtJSONWriter(w, canonical, escapeHTML), nil
+	// Enable newlines for all Extended JSON value writers created by NewExtJSONValueWriter. We
+	// expect these value writers to be used with an Encoder, which should add newlines after
+	// encoded Extended JSON documents.
+	return newExtJSONWriter(w, canonical, escapeHTML, true), nil
 }
 
-func newExtJSONWriter(w io.Writer, canonical, escapeHTML bool) *extJSONValueWriter {
+func newExtJSONWriter(w io.Writer, canonical, escapeHTML, newlines bool) *extJSONValueWriter {
 	stack := make([]ejvwState, 1, 5)
 	stack[0] = ejvwState{mode: mTopLevel}
 
@@ -101,6 +113,7 @@ func newExtJSONWriter(w io.Writer, canonical, escapeHTML bool) *extJSONValueWrit
 		stack:      stack,
 		canonical:  canonical,
 		escapeHTML: escapeHTML,
+		newlines:   newlines,
 	}
 }
 
@@ -564,6 +577,12 @@ func (ejvw *extJSONValueWriter) WriteDocumentEnd() error {
 	case mDocument:
 		ejvw.buf = append(ejvw.buf, ',')
 	case mTopLevel:
+		// If the value writer has newlines enabled, end top-level documents with a newline so that
+		// multiple documents encoded to the same writer are separated by newlines. That matches the
+		// Go json.Encoder behavior and also works with bsonrw.NewExtJSONValueReader.
+		if ejvw.newlines {
+			ejvw.buf = append(ejvw.buf, '\n')
+		}
 		if ejvw.w != nil {
 			if _, err := ejvw.w.Write(ejvw.buf); err != nil {
 				return err
@@ -609,13 +628,14 @@ func (ejvw *extJSONValueWriter) WriteArrayEnd() error {
 
 func formatDouble(f float64) string {
 	var s string
-	if math.IsInf(f, 1) {
+	switch {
+	case math.IsInf(f, 1):
 		s = "Infinity"
-	} else if math.IsInf(f, -1) {
+	case math.IsInf(f, -1):
 		s = "-Infinity"
-	} else if math.IsNaN(f) {
+	case math.IsNaN(f):
 		s = "NaN"
-	} else {
+	default:
 		// Print exactly one decimalType place for integers; otherwise, print as many are necessary to
 		// perfectly represent it.
 		s = strconv.FormatFloat(f, 'G', -1, 64)
@@ -720,9 +740,7 @@ func (ss sortableString) Less(i, j int) bool {
 }
 
 func (ss sortableString) Swap(i, j int) {
-	oldI := ss[i]
-	ss[i] = ss[j]
-	ss[j] = oldI
+	ss[i], ss[j] = ss[j], ss[i]
 }
 
 func sortStringAlphebeticAscending(s string) string {