viem
Version:
43 lines • 1.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isUri = isUri;
function isUri(value) {
if (/[^a-z0-9\:\/\?\#\[\]\@\!\$\&\'\(\)\*\+\,\;\=\.\-\_\~\%]/i.test(value))
return false;
if (/%[^0-9a-f]/i.test(value))
return false;
if (/%[0-9a-f](:?[^0-9a-f]|$)/i.test(value))
return false;
const splitted = splitUri(value);
const scheme = splitted[1];
const authority = splitted[2];
const path = splitted[3];
const query = splitted[4];
const fragment = splitted[5];
if (!(scheme?.length && path.length >= 0))
return false;
if (authority?.length) {
if (!(path.length === 0 || /^\//.test(path)))
return false;
}
else {
if (/^\/\//.test(path))
return false;
}
if (!/^[a-z][a-z0-9\+\-\.]*$/.test(scheme.toLowerCase()))
return false;
let out = '';
out += `${scheme}:`;
if (authority?.length)
out += `//${authority}`;
out += path;
if (query?.length)
out += `?${query}`;
if (fragment?.length)
out += `#${fragment}`;
return out;
}
function splitUri(value) {
return value.match(/(?:([^:\/?#]+):)?(?:\/\/([^\/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?/);
}
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