| import { getRouteMatcher } from '../../shared/lib/router/utils/route-matcher' | |
| import { getRouteRegex } from '../../shared/lib/router/utils/route-regex' | |
| export type FallbackRouteParams = ReadonlyMap<string, string> | |
| function getParamKeys(page: string) { | |
| const pattern = getRouteRegex(page) | |
| const matcher = getRouteMatcher(pattern) | |
| // Get the default list of allowed params. | |
| return Object.keys(matcher(page)) | |
| } | |
| export function getFallbackRouteParams( | |
| pageOrKeys: string | readonly string[] | |
| ): FallbackRouteParams | null { | |
| let keys: readonly string[] | |
| if (typeof pageOrKeys === 'string') { | |
| keys = getParamKeys(pageOrKeys) | |
| } else { | |
| keys = pageOrKeys | |
| } | |
| // If there are no keys, we can return early. | |
| if (keys.length === 0) return null | |
| const params = new Map<string, string>() | |
| // As we're creating unique keys for each of the dynamic route params, we only | |
| // need to generate a unique ID once per request because each of the keys will | |
| // be also be unique. | |
| const uniqueID = Math.random().toString(16).slice(2) | |
| for (const key of keys) { | |
| params.set(key, `%%drp:${key}:${uniqueID}%%`) | |
| } | |
| return params | |
| } | |