@wordpress/editor/build-module/components/upload-progress-snackbar/tracker.mjs

Enhanced block editor for WordPress posts.

// packages/editor/src/components/upload-progress-snackbar/tracker.js
import { useSyncExternalStore } from "@wordpress/element";
var state = null;
var listeners = /* @__PURE__ */ new Set();
function notify() {
  listeners.forEach((listener) => listener());
}
function addFiles(filenames) {
  if (!filenames.length) {
    return;
  }
  if (!state) {
    state = { total: 0, completed: 0, pending: [] };
  }
  state = {
    total: state.total + filenames.length,
    completed: state.completed,
    pending: [...state.pending, ...filenames]
  };
  notify();
}
function advance(count) {
  if (!state || count <= 0) {
    return;
  }
  const completed = Math.min(state.total, state.completed + count);
  const pending = state.pending.slice(count);
  if (completed >= state.total) {
    state = null;
  } else {
    state = { total: state.total, completed, pending };
  }
  notify();
}
function reset() {
  if (state === null) {
    return;
  }
  state = null;
  notify();
}
function getState() {
  return state;
}
function subscribe(listener) {
  listeners.add(listener);
  return () => {
    listeners.delete(listener);
  };
}
function useTracker() {
  return useSyncExternalStore(subscribe, getState, getState);
}
export {
  addFiles,
  advance,
  getState,
  reset,
  useTracker
};
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