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old/assets/js/formats/link.js

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2018-10-16 16:28:42 +00:00
import Inline from '../blots/inline';
class Link extends Inline {
static create(value) {
let node = super.create(value);
value = this.sanitize(value);
node.setAttribute('href', value);
node.setAttribute('target', '_blank');
return node;
}
static formats(domNode) {
return domNode.getAttribute('href');
}
static sanitize(url) {
return sanitize(url, this.PROTOCOL_WHITELIST) ? url : this.SANITIZED_URL;
}
format(name, value) {
if (name !== this.statics.blotName || !value) return super.format(name, value);
value = this.constructor.sanitize(value);
this.domNode.setAttribute('href', value);
}
}
Link.blotName = 'link';
Link.tagName = 'A';
Link.SANITIZED_URL = 'about:blank';
Link.PROTOCOL_WHITELIST = ['http', 'https', 'mailto', 'tel'];
function sanitize(url, protocols) {
let anchor = document.createElement('a');
anchor.href = url;
let protocol = anchor.href.slice(0, anchor.href.indexOf(':'));
return protocols.indexOf(protocol) > -1;
}
export { Link as default, sanitize };