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Bug: Safe app communicator is not properly initialized sometimes, thus app fails to communicate (#2069)

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* use iframeRef inside app communicator
This commit is contained in:
Mikhail Mikheev 2021-03-22 20:59:12 +03:00 committed by GitHub
parent c41ab4eaec
commit 253137d2ba
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1 changed files with 5 additions and 6 deletions
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11
src/routes/safe/components/Apps/communicator.ts
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@ -15,12 +15,12 @@ type MessageHandler = (
) => void | MethodToResponse[Methods] | ErrorResponse | Promise<MethodToResponse[Methods] | ErrorResponse | void>
class AppCommunicator {
private iframe: HTMLIFrameElement
private iframeRef: MutableRefObject<HTMLIFrameElement | null>
private handlers = new Map<Methods, MessageHandler>()
private app: SafeApp
constructor(iframeRef: MutableRefObject<HTMLIFrameElement>, app: SafeApp) {
this.iframe = iframeRef.current
constructor(iframeRef: MutableRefObject<HTMLIFrameElement | null>, app: SafeApp) {
this.iframeRef = iframeRef
this.app = app
window.addEventListener('message', this.handleIncomingMessage)
@ -49,7 +49,7 @@ class AppCommunicator {
? MessageFormatter.makeErrorResponse(requestId, data, sdkVersion)
: MessageFormatter.makeResponse(requestId, data, sdkVersion)
this.iframe.contentWindow?.postMessage(msg, this.app.url)
this.iframeRef.current?.contentWindow?.postMessage(msg, this.app.url)
}
handleIncomingMessage = async (msg: SDKMessageEvent): Promise<void> => {
@ -83,7 +83,6 @@ const useAppCommunicator = (
app?: SafeApp,
): AppCommunicator | undefined => {
const [communicator, setCommunicator] = useState<AppCommunicator | undefined>(undefined)
useEffect(() => {
let communicatorInstance
const initCommunicator = (iframeRef: MutableRefObject<HTMLIFrameElement>, app: SafeApp) => {
@ -91,7 +90,7 @@ const useAppCommunicator = (
setCommunicator(communicatorInstance)
}
if (app && iframeRef.current !== null) {
if (app) {
initCommunicator(iframeRef as MutableRefObject<HTMLIFrameElement>, app)
}