import Inline from '../blots/inline';
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class Link extends Inline {
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static create(value) {
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let node = super.create(value);
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value = this.sanitize(value);
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node.setAttribute('href', value);
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node.setAttribute('rel', 'noopener noreferrer');
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node.setAttribute('target', '_blank');
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return node;
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}
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static formats(domNode) {
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return domNode.getAttribute('href');
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}
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static sanitize(url) {
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return sanitize(url, this.PROTOCOL_WHITELIST) ? url : this.SANITIZED_URL;
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}
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format(name, value) {
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if (name !== this.statics.blotName || !value) return super.format(name, value);
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value = this.constructor.sanitize(value);
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this.domNode.setAttribute('href', value);
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}
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}
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Link.blotName = 'link';
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Link.tagName = 'A';
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Link.SANITIZED_URL = 'about:blank';
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Link.PROTOCOL_WHITELIST = ['http', 'https', 'mailto', 'tel'];
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function sanitize(url, protocols) {
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let anchor = document.createElement('a');
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anchor.href = url;
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let protocol = anchor.href.slice(0, anchor.href.indexOf(':'));
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return protocols.indexOf(protocol) > -1;
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}
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export { Link as default, sanitize };
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