import Parchment from 'parchment';
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import { sanitize } from '../formats/link';
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const ATTRIBUTES = [
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'alt',
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'height',
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'width'
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];
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class Image extends Parchment.Embed {
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static create(value) {
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let node = super.create(value);
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if (typeof value === 'string') {
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node.setAttribute('src', this.sanitize(value));
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}
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return node;
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}
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static formats(domNode) {
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return ATTRIBUTES.reduce(function(formats, attribute) {
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if (domNode.hasAttribute(attribute)) {
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formats[attribute] = domNode.getAttribute(attribute);
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}
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return formats;
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}, {});
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}
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static match(url) {
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return /\.(jpe?g|gif|png)$/.test(url) || /^data:image\/.+;base64/.test(url);
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}
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static sanitize(url) {
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return sanitize(url, ['http', 'https', 'data']) ? url : '//:0';
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}
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static value(domNode) {
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return domNode.getAttribute('src');
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}
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format(name, value) {
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if (ATTRIBUTES.indexOf(name) > -1) {
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if (value) {
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this.domNode.setAttribute(name, value);
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} else {
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this.domNode.removeAttribute(name);
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}
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} else {
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super.format(name, value);
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}
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}
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}
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Image.blotName = 'image';
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Image.tagName = 'IMG';
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export default Image;
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