@ledgerhq/live-common/src/flows/send/amount/utils/messages.ts

Common ground for the Ledger Live apps

export type AmountScreenMessage = Readonly<{
  type: "error" | "warning" | "info";
  text: string;
}>;

export function getAmountScreenMessage(params: {
  amountErrorTitle?: string;
  amountWarningTitle?: string;
  isFeeTooHigh: boolean;
  hasRawAmount: boolean;
}): AmountScreenMessage | null {
  if (params.amountErrorTitle && params.hasRawAmount) {
    return { type: "error", text: params.amountErrorTitle };
  }
  if (params.amountWarningTitle && params.hasRawAmount) {
    return { type: params.isFeeTooHigh ? "info" : "warning", text: params.amountWarningTitle };
  }
  return null;
}