Jon Staab
46 lines
1.7 KiB
TypeScript
46 lines
1.7 KiB
TypeScript
import {parseJson} from "@welshman/lib"
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import {Address, isShareableRelayUrl, TrustedEvent} from "@welshman/util"
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import {Encryptable, DecryptedEvent} from "./util"
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export type ListParams = {
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kind: number
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}
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export type List<E extends TrustedEvent> = ListParams & {
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publicTags: string[][]
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privateTags: string[][]
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event?: DecryptedEvent<E>
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}
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export type PublishedList<E extends TrustedEvent> = Omit<List<E>, "event"> & {
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event: DecryptedEvent<E>
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}
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export const makeList = <E extends TrustedEvent>(list: ListParams & Partial<List<E>>): List<E> =>
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({publicTags: [], privateTags: [], ...list})
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const isValidTag = (tag: string[]) => {
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if (tag[0] === "p") return tag[1]?.length === 64
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if (tag[0] === "e") return tag[1]?.length === 64
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if (tag[0] === "a") return Address.isAddress(tag[1] || "")
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if (tag[0] === "t") return tag[1]?.length > 0
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if (tag[0] === "r") return isShareableRelayUrl(tag[1])
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if (tag[0] === "relay") return isShareableRelayUrl(tag[1])
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return true
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}
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export const readList = <E extends TrustedEvent>(event: DecryptedEvent<E>): PublishedList<E> => {
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const getTags = (tags: string[][]) => (Array.isArray(tags) ? tags.filter(isValidTag) : [])
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const privateTags = getTags(parseJson(event.plaintext?.content))
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const publicTags = getTags(event.tags)
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return {event, kind: event.kind, publicTags, privateTags}
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}
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export const createList = <E extends TrustedEvent>({kind, publicTags = [], privateTags = []}: List<E>) =>
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new Encryptable({kind, tags: publicTags}, {content: JSON.stringify(privateTags)})
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export const editList = <E extends TrustedEvent>({kind, publicTags = [], privateTags = []}: PublishedList<E>) =>
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new Encryptable({kind, tags: publicTags}, {content: JSON.stringify(privateTags)})
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