added buffer.base64std

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjBuffer.kt

@@ -30,6 +30,7 @@ import net.sergeych.lynon.LynonDecoder
 import net.sergeych.lynon.LynonEncoder
 import net.sergeych.lynon.LynonType
 import net.sergeych.mp_tools.decodeBase64Url
+import net.sergeych.mp_tools.encodeToBase64
 import net.sergeych.mp_tools.encodeToBase64Url
 import kotlin.math.min
 
@@ -39,6 +40,7 @@ open class ObjBuffer(val byteArray: UByteArray) : Obj() {
 
     val hex by lazy { byteArray.encodeToHex("")}
     val base64 by lazy { byteArray.toByteArray().encodeToBase64Url()}
+    val base64std  by lazy { byteArray.toByteArray().encodeToBase64()}
 
     fun checkIndex(scope: Scope, index: Obj): Int {
         if (index !is ObjInt)
@@ -196,6 +198,13 @@ open class ObjBuffer(val byteArray: UByteArray) : Obj() {
                 moduleName = "lyng.stdlib",
                 getter = { thisAs<ObjBuffer>().base64.toObj() }
             )
+            addPropertyDoc(
+                name = "base64std",
+                doc = "Base64 standard string representation of the buffer.",
+                type = type("lyng.String"),
+                moduleName = "lyng.stdlib",
+                getter = { thisAs<ObjBuffer>().base64std.toObj() }
+            )
             addFn("decodeUtf8") {
                 ObjString(
                     thisAs<ObjBuffer>().byteArray.toByteArray().decodeToString()

lynglib/src/commonTest/kotlin/ScriptTest.kt

@@ -3233,6 +3233,7 @@ class ScriptTest {
             assertEquals( "hello", b.decodeUtf8() )
             
             println(b.base64)
+            println(b.base64std)
             println(b.hex)
 
             assertEquals( b, Buffer.decodeBase64(b.base64) )