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| export function getHref( | |
| url: URL | string, | |
| modifications: { | |
| newKeys?: Record<string, string | undefined | null>; | |
| existingKeys?: { behaviour: "delete_except" | "delete"; keys: string[] }; | |
| } | |
| ) { | |
| const newUrl = new URL(url); | |
| const { newKeys, existingKeys } = modifications; | |
| // exsiting keys logic | |
| if (existingKeys) { | |
| const { behaviour, keys } = existingKeys; | |
| if (behaviour === "delete") { | |
| for (const key of keys) { | |
| newUrl.searchParams.delete(key); | |
| } | |
| } else { | |
| // delete_except | |
| const keysToPreserve = keys; | |
| for (const key of [...newUrl.searchParams.keys()]) { | |
| if (!keysToPreserve.includes(key)) { | |
| newUrl.searchParams.delete(key); | |
| } | |
| } | |
| } | |
| } | |
| // new keys logic | |
| if (newKeys) { | |
| for (const [key, val] of Object.entries(newKeys)) { | |
| if (val) { | |
| newUrl.searchParams.set(key, val); | |
| } else { | |
| newUrl.searchParams.delete(key); | |
| } | |
| } | |
| } | |
| return newUrl.toString(); | |
| } | |