add keepIframeSrcFn option (#592)

* rename allowIframe to keepIframeSrcFn

* update rrweb-snapshot to 1.1.5

src/record/index.ts

@@ -59,6 +59,7 @@ function record<T = eventWithTime>(
     recordCanvas = false,
     collectFonts = false,
     plugins,
+    keepIframeSrcFn = () => false,
   } = options;
   // runtime checks for user options
   if (!emit) {
@@ -236,6 +237,7 @@ function record<T = eventWithTime>(
       onIframeLoad: (iframe, childSn) => {
         iframeManager.attachIframe(iframe, childSn);
       },
+      keepIframeSrcFn,
     });
 
     if (!node) {

src/types.ts

@@ -220,6 +220,7 @@ export type recordOptions<T> = {
   plugins?: RecordPlugin[];
   // departed, please use sampling options
   mousemoveWait?: number;
+  keepIframeSrcFn?: KeepIframeSrcFn;
 };
 
 export type observerParam = {
@@ -552,3 +553,5 @@ export type ElementState = {
   // [scrollLeft,scrollTop]
   scroll?: [number, number];
 };
+
+export type KeepIframeSrcFn = (src: string) => boolean;