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'use strict';
var visit = require('unist-util-visit');
var schemes = require('./schemes.js');
function plugin() {
return transformer;
function transformer(tree) {
visit(tree, 'link', function (link) {
if (link.url) {
if (link.url[0] === '/') {
// Local link
return;
}
if (schemes.some(function (scheme) {
return link.url.startsWith(scheme + ':');
})) {
// Valide scheme
return;
}
link.url = '/' + link.url;
}
});
}
}
module.exports = plugin;
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