next
Version:
The React Framework
73 lines (71 loc) • 3.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "createRenderParamsFromClient", {
enumerable: true,
get: function() {
return createRenderParamsFromClient;
}
});
const _reflect = require("../../server/web/spec-extension/adapters/reflect");
const _reflectutils = require("../../shared/lib/utils/reflect-utils");
const CachedParams = new WeakMap();
function makeDynamicallyTrackedParamsWithDevWarnings(underlyingParams) {
const cachedParams = CachedParams.get(underlyingParams);
if (cachedParams) {
return cachedParams;
}
// We don't use makeResolvedReactPromise here because params
// supports copying with spread and we don't want to unnecessarily
// instrument the promise with spreadable properties of ReactPromise.
const promise = Promise.resolve(underlyingParams);
const proxiedProperties = new Set();
Object.keys(underlyingParams).forEach((prop)=>{
if (_reflectutils.wellKnownProperties.has(prop)) {
// These properties cannot be shadowed because they need to be the
// true underlying value for Promises to work correctly at runtime
} else {
proxiedProperties.add(prop);
}
});
const proxiedPromise = new Proxy(promise, {
get (target, prop, receiver) {
if (typeof prop === 'string') {
if (// We are accessing a property that was proxied to the promise instance
proxiedProperties.has(prop)) {
const expression = (0, _reflectutils.describeStringPropertyAccess)('params', prop);
warnForSyncAccess(expression);
}
}
return _reflect.ReflectAdapter.get(target, prop, receiver);
},
set (target, prop, value, receiver) {
if (typeof prop === 'string') {
proxiedProperties.delete(prop);
}
return _reflect.ReflectAdapter.set(target, prop, value, receiver);
},
ownKeys (target) {
warnForEnumeration();
return Reflect.ownKeys(target);
}
});
CachedParams.set(underlyingParams, proxiedPromise);
return proxiedPromise;
}
function warnForSyncAccess(expression) {
console.error(`A param property was accessed directly with ${expression}. ` + `\`params\` is a Promise and must be unwrapped with \`React.use()\` before accessing its properties. ` + `Learn more: https://nextjs.org/docs/messages/sync-dynamic-apis`);
}
function warnForEnumeration() {
console.error(`params are being enumerated. ` + `\`params\` is a Promise and must be unwrapped with \`React.use()\` before accessing its properties. ` + `Learn more: https://nextjs.org/docs/messages/sync-dynamic-apis`);
}
function createRenderParamsFromClient(clientParams) {
return makeDynamicallyTrackedParamsWithDevWarnings(clientParams);
}
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=params.browser.dev.js.map