How to use the airgram.isError function in airgram
To help you get started, we’ve selected a few airgram examples, based on popular ways it is used in public projects.
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airgram / airgram / examples / custom-context / src / index.ts View on Github 
}).then(({ response, $store }) => {
if (isError(response)) {
throw new Error(`[TDLib][${response.code}] ${response.message}`)
}
const chats = response.chatIds.map((chatId) => {
const chat = $store.chats.get(chatId)
const message = $store.chatLastMessage.get(chatId)
if (!chat || !message || !message.lastMessage) {
throw new Error('Invalidate store')
}
const { lastMessage } = message
const { title } = chat
const sentBy = $store.users.get(lastMessage.senderUserId)
return {
title,}).then(({ request, response }) => {
if (isError(response)) {
writeError(`[${request.method}][${response.code}] ${response.message}`)
} else {
writeInfo('Profile photo has been loaded.')
}
})airgram
Documentation is available [here](https://airgram.io).
