@wordpress/block-library/build-module/file/index.js

Block library for the WordPress editor.

import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import { includes } from 'lodash';
/**
 * WordPress dependencies
 */

import { __, _x } from '@wordpress/i18n';
import { createBlobURL } from '@wordpress/blob';
import { createBlock } from '@wordpress/blocks';
import { select } from '@wordpress/data';
import { RichText } from '@wordpress/block-editor';
/**
 * Internal dependencies
 */

import edit from './edit';
import icon from './icon';
export var name = 'core/file';
export var settings = {
  title: __('File'),
  description: __('Add a link to a downloadable file.'),
  icon: icon,
  category: 'common',
  keywords: [__('document'), __('pdf')],
  attributes: {
    id: {
      type: 'number'
    },
    href: {
      type: 'string'
    },
    fileName: {
      type: 'string',
      source: 'html',
      selector: 'a:not([download])'
    },
    // Differs to the href when the block is configured to link to the attachment page
    textLinkHref: {
      type: 'string',
      source: 'attribute',
      selector: 'a:not([download])',
      attribute: 'href'
    },
    // e.g. `_blank` when the block is configured to open in a new tab
    textLinkTarget: {
      type: 'string',
      source: 'attribute',
      selector: 'a:not([download])',
      attribute: 'target'
    },
    showDownloadButton: {
      type: 'boolean',
      default: true
    },
    downloadButtonText: {
      type: 'string',
      source: 'html',
      selector: 'a[download]',
      default: _x('Download', 'button label')
    }
  },
  supports: {
    align: true
  },
  transforms: {
    from: [{
      type: 'files',
      isMatch: function isMatch(files) {
        return files.length > 0;
      },
      // We define a lower priorty (higher number) than the default of 10. This
      // ensures that the File block is only created as a fallback.
      priority: 15,
      transform: function transform(files) {
        var blocks = [];
        files.forEach(function (file) {
          var blobURL = createBlobURL(file); // File will be uploaded in componentDidMount()

          blocks.push(createBlock('core/file', {
            href: blobURL,
            fileName: file.name,
            textLinkHref: blobURL
          }));
        });
        return blocks;
      }
    }, {
      type: 'block',
      blocks: ['core/audio'],
      transform: function transform(attributes) {
        return createBlock('core/file', {
          href: attributes.src,
          fileName: attributes.caption,
          textLinkHref: attributes.src,
          id: attributes.id
        });
      }
    }, {
      type: 'block',
      blocks: ['core/video'],
      transform: function transform(attributes) {
        return createBlock('core/file', {
          href: attributes.src,
          fileName: attributes.caption,
          textLinkHref: attributes.src,
          id: attributes.id
        });
      }
    }, {
      type: 'block',
      blocks: ['core/image'],
      transform: function transform(attributes) {
        return createBlock('core/file', {
          href: attributes.url,
          fileName: attributes.caption,
          textLinkHref: attributes.url,
          id: attributes.id
        });
      }
    }],
    to: [{
      type: 'block',
      blocks: ['core/audio'],
      isMatch: function isMatch(_ref) {
        var id = _ref.id;

        if (!id) {
          return false;
        }

        var _select = select('core'),
            getMedia = _select.getMedia;

        var media = getMedia(id);
        return !!media && includes(media.mime_type, 'audio');
      },
      transform: function transform(attributes) {
        return createBlock('core/audio', {
          src: attributes.href,
          caption: attributes.fileName,
          id: attributes.id
        });
      }
    }, {
      type: 'block',
      blocks: ['core/video'],
      isMatch: function isMatch(_ref2) {
        var id = _ref2.id;

        if (!id) {
          return false;
        }

        var _select2 = select('core'),
            getMedia = _select2.getMedia;

        var media = getMedia(id);
        return !!media && includes(media.mime_type, 'video');
      },
      transform: function transform(attributes) {
        return createBlock('core/video', {
          src: attributes.href,
          caption: attributes.fileName,
          id: attributes.id
        });
      }
    }, {
      type: 'block',
      blocks: ['core/image'],
      isMatch: function isMatch(_ref3) {
        var id = _ref3.id;

        if (!id) {
          return false;
        }

        var _select3 = select('core'),
            getMedia = _select3.getMedia;

        var media = getMedia(id);
        return !!media && includes(media.mime_type, 'image');
      },
      transform: function transform(attributes) {
        return createBlock('core/image', {
          url: attributes.href,
          caption: attributes.fileName,
          id: attributes.id
        });
      }
    }]
  },
  edit: edit,
  save: function save(_ref4) {
    var attributes = _ref4.attributes;
    var href = attributes.href,
        fileName = attributes.fileName,
        textLinkHref = attributes.textLinkHref,
        textLinkTarget = attributes.textLinkTarget,
        showDownloadButton = attributes.showDownloadButton,
        downloadButtonText = attributes.downloadButtonText;
    return href && createElement("div", null, !RichText.isEmpty(fileName) && createElement("a", {
      href: textLinkHref,
      target: textLinkTarget,
      rel: textLinkTarget ? 'noreferrer noopener' : false
    }, createElement(RichText.Content, {
      value: fileName
    })), showDownloadButton && createElement("a", {
      href: href,
      className: "wp-block-file__button",
      download: true
    }, createElement(RichText.Content, {
      value: downloadButtonText
    })));
  }
};
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