@wordpress/upload-media/build-module/store/private-selectors.js

Core media upload logic.

/**
 * Internal dependencies
 */
import { ItemStatus, OperationType } from './types';

/**
 * Returns all items currently being uploaded.
 *
 * @param state Upload state.
 *
 * @return Queue items.
 */
export function getAllItems(state) {
  return state.queue;
}

/**
 * Returns a specific item given its unique ID.
 *
 * @param state Upload state.
 * @param id    Item ID.
 *
 * @return Queue item.
 */
export function getItem(state, id) {
  return state.queue.find(item => item.id === id);
}

/**
 * Determines whether a batch has been successfully uploaded, given its unique ID.
 *
 * @param state   Upload state.
 * @param batchId Batch ID.
 *
 * @return Whether a batch has been uploaded.
 */
export function isBatchUploaded(state, batchId) {
  const batchItems = state.queue.filter(item => batchId === item.batchId);
  return batchItems.length === 0;
}

/**
 * Determines whether an upload is currently in progress given a post or attachment ID.
 *
 * @param state              Upload state.
 * @param postOrAttachmentId Post ID or attachment ID.
 *
 * @return Whether upload is currently in progress for the given post or attachment.
 */
export function isUploadingToPost(state, postOrAttachmentId) {
  return state.queue.some(item => item.currentOperation === OperationType.Upload && item.additionalData.post === postOrAttachmentId);
}

/**
 * Returns the next paused upload for a given post or attachment ID.
 *
 * @param state              Upload state.
 * @param postOrAttachmentId Post ID or attachment ID.
 *
 * @return Paused item.
 */
export function getPausedUploadForPost(state, postOrAttachmentId) {
  return state.queue.find(item => item.status === ItemStatus.Paused && item.additionalData.post === postOrAttachmentId);
}

/**
 * Determines whether uploading is currently paused.
 *
 * @param state Upload state.
 *
 * @return Whether uploading is currently paused.
 */
export function isPaused(state) {
  return state.queueStatus === 'paused';
}

/**
 * Returns all cached blob URLs for a given item ID.
 *
 * @param state Upload state.
 * @param id    Item ID
 *
 * @return List of blob URLs.
 */
export function getBlobUrls(state, id) {
  return state.blobUrls[id] || [];
}
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