@wordpress/element/build-module/find-dom-node.mjs

Element React module for WordPress.

// packages/element/src/find-dom-node.ts
import deprecated from "@wordpress/deprecated";
var internalsKey = "_reactInternals";
var HostComponent = 5;
var HostText = 6;
function findCurrentFiber(fiber) {
  if (!fiber.alternate) {
    return fiber;
  }
  let node = fiber;
  while (node.return) {
    node = node.return;
  }
  if (node.stateNode.current === node) {
    return fiber;
  }
  return fiber.alternate;
}
function findHostFiber(fiber) {
  const current = findCurrentFiber(fiber);
  if (!current) {
    return null;
  }
  return findHostFiberImpl(current);
}
function findHostFiberImpl(fiber) {
  if (fiber.tag === HostComponent || fiber.tag === HostText) {
    return fiber;
  }
  let child = fiber.child;
  while (child) {
    const hostFiber = findHostFiberImpl(child);
    if (hostFiber) {
      return hostFiber;
    }
    child = child.sibling;
  }
  return null;
}
function findDOMNode(instance) {
  deprecated("wp.element.findDOMNode", {
    since: "7.1",
    alternative: "DOM refs",
    link: "https://react.dev/reference/react-dom/findDOMNode"
  });
  if (instance === null || instance === void 0) {
    return null;
  }
  if (instance.nodeType !== void 0) {
    return instance;
  }
  const fiber = instance[internalsKey];
  if (fiber === void 0) {
    if (typeof instance.render === "function") {
      throw new Error("Unable to find node on an unmounted component.");
    }
    const keys = Object.keys(instance).join(",");
    throw new Error(
      `Argument appears to not be a ReactComponent. Keys: ${keys}`
    );
  }
  const hostFiber = findHostFiber(fiber);
  return hostFiber?.stateNode ?? null;
}
export {
  findDOMNode as default
};
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