Initial commit with 🏗️ create-eth @ 2.0.4

packages/nextjs/utils/scaffold-eth/common.ts

@@ -0,0 +1,12 @@
+// To be used in JSON.stringify when a field might be bigint
+
+// https://wagmi.sh/react/faq#bigint-serialization
+export const replacer = (_key: string, value: unknown) => (typeof value === "bigint" ? value.toString() : value);
+
+export const ZERO_ADDRESS = "0x0000000000000000000000000000000000000000";
+
+export const isZeroAddress = (address: string) => address === ZERO_ADDRESS;
+
+// Treat any dot-separated string as a potential ENS name
+const ensRegex = /.+\..+/;
+export const isENS = (address = "") => ensRegex.test(address);