@wordpress/edit-post/build-module/components/browser-url/index.mjs

Edit Post module for WordPress.

// packages/edit-post/src/components/browser-url/index.js
import { useEffect, useRef, useState } from "@wordpress/element";
import { useSelect, useDispatch } from "@wordpress/data";
import { addQueryArgs, getQueryArg } from "@wordpress/url";
import { store as editorStore } from "@wordpress/editor";
import { unlock } from "../../lock-unlock.mjs";
import useClassicRevisionRedirect from "./use-classic-revision-redirect.mjs";
var URL_WRITE_DEBOUNCE_MS = 300;
function getPostEditURL(postId, revisionId) {
  const args = { post: postId, action: "edit" };
  if (revisionId) {
    args.revision = revisionId;
  }
  return addQueryArgs("post.php", args);
}
function BrowserURL() {
  useClassicRevisionRedirect();
  const [initialRevisionId] = useState(() => {
    const revision = Number(
      getQueryArg(window.location.href, "revision")
    );
    return Number.isInteger(revision) && revision > 0 ? revision : null;
  });
  const hasHandledInitialRevisionRef = useRef(false);
  const { postId, postStatus, currentRevisionId } = useSelect((select) => {
    const { getCurrentPost } = select(editorStore);
    const { getCurrentRevisionId } = unlock(select(editorStore));
    const post = getCurrentPost();
    let { id, status, type } = post;
    const isTemplate = ["wp_template", "wp_template_part"].includes(
      type
    );
    if (isTemplate) {
      id = post.wp_id;
    }
    return {
      postId: id,
      postStatus: status,
      // `post.php` rejects templates because `show_ui` is false. Adding
      // their revision ID to this URL would create a dead link.
      currentRevisionId: isTemplate ? null : getCurrentRevisionId()
    };
  }, []);
  const { openRevision } = unlock(useDispatch(editorStore));
  const lastURLWriteTimeRef = useRef(null);
  const lastPostIdRef = useRef(null);
  useEffect(() => {
    if (!postId) {
      return;
    }
    if (initialRevisionId && !hasHandledInitialRevisionRef.current) {
      hasHandledInitialRevisionRef.current = true;
      openRevision(initialRevisionId);
      return;
    }
    if (postStatus === "auto-draft") {
      return;
    }
    const previousPostId = lastPostIdRef.current;
    lastPostIdRef.current = postId;
    const url = getPostEditURL(postId, currentRevisionId);
    const write = () => {
      lastURLWriteTimeRef.current = Date.now();
      try {
        window.history.replaceState(
          { id: postId },
          "Post " + postId,
          url
        );
      } catch {
      }
    };
    if (previousPostId !== null && previousPostId !== postId) {
      write();
      return;
    }
    if (lastURLWriteTimeRef.current === null) {
      write();
      return;
    }
    if (Date.now() - lastURLWriteTimeRef.current >= URL_WRITE_DEBOUNCE_MS) {
      write();
      return;
    }
    const timeoutId = setTimeout(write, URL_WRITE_DEBOUNCE_MS);
    return () => clearTimeout(timeoutId);
  }, [
    postId,
    postStatus,
    currentRevisionId,
    initialRevisionId,
    openRevision
  ]);
  return null;
}
export {
  BrowserURL as default,
  getPostEditURL
};
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