57 lines
2.7 KiB
JavaScript
57 lines
2.7 KiB
JavaScript
import { ReflectAdapter } from '../../server/web/spec-extension/adapters/reflect';
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import { describeStringPropertyAccess, wellKnownProperties } from '../../shared/lib/utils/reflect-utils';
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const CachedParams = new WeakMap();
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function makeDynamicallyTrackedParamsWithDevWarnings(underlyingParams) {
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const cachedParams = CachedParams.get(underlyingParams);
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if (cachedParams) {
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return cachedParams;
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}
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// We don't use makeResolvedReactPromise here because params
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// supports copying with spread and we don't want to unnecessarily
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// instrument the promise with spreadable properties of ReactPromise.
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const promise = Promise.resolve(underlyingParams);
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const proxiedProperties = new Set();
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Object.keys(underlyingParams).forEach((prop)=>{
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if (wellKnownProperties.has(prop)) {
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// These properties cannot be shadowed because they need to be the
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// true underlying value for Promises to work correctly at runtime
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} else {
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proxiedProperties.add(prop);
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}
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});
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const proxiedPromise = new Proxy(promise, {
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get (target, prop, receiver) {
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if (typeof prop === 'string') {
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if (// We are accessing a property that was proxied to the promise instance
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proxiedProperties.has(prop)) {
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const expression = describeStringPropertyAccess('params', prop);
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warnForSyncAccess(expression);
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}
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}
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return ReflectAdapter.get(target, prop, receiver);
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},
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set (target, prop, value, receiver) {
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if (typeof prop === 'string') {
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proxiedProperties.delete(prop);
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}
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return ReflectAdapter.set(target, prop, value, receiver);
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},
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ownKeys (target) {
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warnForEnumeration();
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return Reflect.ownKeys(target);
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}
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});
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CachedParams.set(underlyingParams, proxiedPromise);
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return proxiedPromise;
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}
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function warnForSyncAccess(expression) {
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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`);
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}
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function warnForEnumeration() {
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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`);
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}
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export function createRenderParamsFromClient(clientParams) {
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return makeDynamicallyTrackedParamsWithDevWarnings(clientParams);
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}
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//# sourceMappingURL=params.browser.dev.js.map
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