next
Version:
The React Framework
62 lines (60 loc) • 2.02 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
createPrefetchURL: null,
isExternalURL: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
createPrefetchURL: function() {
return createPrefetchURL;
},
isExternalURL: function() {
return isExternalURL;
}
});
const _isbot = require("../../shared/lib/router/utils/is-bot");
const _addbasepath = require("../add-base-path");
function isExternalURL(url) {
return url.origin !== window.location.origin;
}
function createPrefetchURL(href) {
// Don't prefetch for bots as they don't navigate.
if ((0, _isbot.isBot)(window.navigator.userAgent)) {
return null;
}
let url;
try {
url = new URL((0, _addbasepath.addBasePath)(href), window.location.href);
} catch (_) {
// TODO: Does this need to throw or can we just console.error instead? Does
// anyone rely on this throwing? (Seems unlikely.)
throw Object.defineProperty(new Error(`Cannot prefetch '${href}' because it cannot be converted to a URL.`), "__NEXT_ERROR_CODE", {
value: "E234",
enumerable: false,
configurable: true
});
}
// Don't prefetch during development (improves compilation performance)
if (process.env.NODE_ENV === 'development') {
return null;
}
// External urls can't be prefetched in the same way.
if (isExternalURL(url)) {
return null;
}
return url;
}
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=app-router-utils.js.map