next/dist/esm/client/request/params.browser.dev.js

The React Framework

import { ReflectAdapter } from '../../server/web/spec-extension/adapters/reflect';
import { describeStringPropertyAccess, wellKnownProperties } from '../../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 (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 = describeStringPropertyAccess('params', prop);
                    warnForSyncAccess(expression);
                }
            }
            return ReflectAdapter.get(target, prop, receiver);
        },
        set (target, prop, value, receiver) {
            if (typeof prop === 'string') {
                proxiedProperties.delete(prop);
            }
            return 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`);
}
export function createRenderParamsFromClient(clientParams) {
    return makeDynamicallyTrackedParamsWithDevWarnings(clientParams);
}

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