excalidraw/packages/excalidraw/actions/actionAddToLibrary.ts

import { register } from "./register";
import { deepCopyElement } from "../element/newElement";
import { randomId } from "../random";
import { t } from "../i18n";
import { LIBRARY_DISABLED_TYPES } from "../constants";

export const actionAddToLibrary = register({
  name: "addToLibrary",
  trackEvent: { category: "element" },
  perform: (elements, appState, _, app) => {
    const selectedElements = app.scene.getSelectedElements({
      selectedElementIds: appState.selectedElementIds,
      includeBoundTextElement: true,
      includeElementsInFrames: true,
    });

    for (const type of LIBRARY_DISABLED_TYPES) {
      if (selectedElements.some((element) => element.type === type)) {
        return {
          commitToHistory: false,
          appState: {
            ...appState,
            errorMessage: t(`errors.libraryElementTypeError.${type}`),
          },
        };
      }
    }

    return app.library
      .getLatestLibrary()
      .then((items) => {
        return app.library.setLibrary([
          {
            id: randomId(),
            status: "unpublished",
            elements: selectedElements.map(deepCopyElement),
            created: Date.now(),
          },
          ...items,
        ]);
      })
      .then(() => {
        return {
          commitToHistory: false,
          appState: {
            ...appState,
            toast: { message: t("toast.addedToLibrary") },
          },
        };
      })
      .catch((error) => {
        return {
          commitToHistory: false,
          appState: {
            ...appState,
            errorMessage: error.message,
          },
        };
      });
  },
  label: "labels.addToLibrary",
});