@ens-rush-resolution/auto-resolve/dist/index.mjs

Auto-detection and resolution of Ethereum addresses in web pages

// src/index.ts
import { resolve } from "@ens-rush-resolution/core";
var ETHEREUM_ADDRESS_REGEX = /0x[a-fA-F0-9]{40}/g;
function findAddressesInTextNode(textNode) {
  const text = textNode.textContent || "";
  const addresses = [];
  let match;
  ETHEREUM_ADDRESS_REGEX.lastIndex = 0;
  while ((match = ETHEREUM_ADDRESS_REGEX.exec(text)) !== null) {
    addresses.push({
      address: match[0],
      element: textNode.parentElement,
      textNode,
      startIndex: match.index,
      endIndex: match.index + match[0].length
    });
  }
  return addresses;
}
function findAllAddresses(root = document.body) {
  const walker = document.createTreeWalker(
    root,
    NodeFilter.SHOW_TEXT,
    {
      acceptNode(node2) {
        let parent = node2.parentElement;
        while (parent) {
          if (parent.dataset.ensRush === "false" || parent.dataset.ensRush === "skip") {
            return NodeFilter.FILTER_REJECT;
          }
          parent = parent.parentElement;
        }
        return NodeFilter.FILTER_ACCEPT;
      }
    }
  );
  const allAddresses = [];
  let node;
  while (node = walker.nextNode()) {
    const textNode = node;
    const addresses = findAddressesInTextNode(textNode);
    allAddresses.push(...addresses);
  }
  return allAddresses;
}
function updateAddressInDOM(addressElement, ensName) {
  const { textNode, startIndex, endIndex, address } = addressElement;
  const text = textNode.textContent || "";
  if (!ensName) {
    return;
  }
  const beforeText = text.substring(0, startIndex);
  const afterText = text.substring(endIndex);
  const ensSpan = document.createElement("span");
  ensSpan.textContent = ensName;
  ensSpan.title = address;
  const parentElement = textNode.parentElement;
  if (beforeText) {
    parentElement.insertBefore(document.createTextNode(beforeText), textNode);
  }
  parentElement.insertBefore(ensSpan, textNode);
  if (afterText) {
    parentElement.insertBefore(document.createTextNode(afterText), textNode);
  }
  parentElement.removeChild(textNode);
}
async function autoResolve(options = {}) {
  const { selector, onResolve, ...resolveOptions } = options;
  const root = selector ? document.querySelector(selector) : document.body;
  if (!root) {
    console.warn("Auto-resolve: Root element not found");
    return;
  }
  const addressElements = findAllAddresses(root);
  if (addressElements.length === 0) {
    console.log("Auto-resolve: No Ethereum addresses found");
    return;
  }
  const uniqueAddresses = [...new Set(addressElements.map((ae) => ae.address))];
  console.log(`Auto-resolve: Found ${addressElements.length} addresses (${uniqueAddresses.length} unique)`);
  try {
    const resolutions = await resolve(uniqueAddresses, resolveOptions);
    const resolutionMap = new Map(resolutions.map((r) => [r.address, r.name]));
    addressElements.forEach((addressElement) => {
      const ensName = resolutionMap.get(addressElement.address);
      if (onResolve) {
        onResolve(addressElement.address, ensName || null, addressElement.element);
      }
      updateAddressInDOM(addressElement, ensName || null);
    });
    const resolvedCount = resolutions.filter((r) => r.name).length;
    console.log(`Auto-resolve: Resolved ${resolvedCount}/${uniqueAddresses.length} addresses to ENS names`);
  } catch (error) {
    console.error("Auto-resolve: Failed to resolve addresses", error);
  }
}
if (typeof window !== "undefined") {
  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", () => {
      console.log("Auto-resolve: DOM loaded, starting auto-resolution...");
      autoResolve();
    });
  } else {
    console.log("Auto-resolve: DOM already loaded, starting auto-resolution...");
    autoResolve();
  }
}
export {
  autoResolve
};
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