| 1 | import * as Effect from "effect/Effect"; |
| 2 | import * as Schema from "effect/Schema"; |
| 3 | import * as SourceControlProviderRegistry from "../sourceControl/SourceControlProviderRegistry.ts"; |
| 4 | |
| 5 | const encodeSubject = Schema.encodeEffect( |
| 6 | Schema.fromJsonString(Schema.Struct({ title: Schema.String, body: Schema.String })), |
| 7 | ); |
| 8 | |
| 9 | /** Providers select supported links before the title lookup budget is applied. */ |
| 10 | export const resolveThreadTitleLinks = Effect.fn("resolveThreadTitleLinks")(function* (input: { |
| 11 | message: string; |
| 12 | cwd: string; |
| 13 | }) { |
| 14 | const providers = yield* SourceControlProviderRegistry.SourceControlProviderRegistry; |
| 15 | const links = new Map<string, NonNullable<ReturnType<typeof providers.resolveLink>>>(); |
| 16 | for (const match of input.message.matchAll(/https:\/\/[^\s<>"')\]`]+/g)) { |
| 17 | const candidate = match[0].replace(/[.,;!?]+$/, ""); |
| 18 | if (!URL.canParse(candidate)) continue; |
| 19 | const url = new URL(candidate); |
| 20 | url.hash = ""; |
| 21 | url.search = ""; |
| 22 | if (links.has(url.href)) continue; |
| 23 | const lookup = providers.resolveLink({ cwd: input.cwd, url }); |
| 24 | if (!lookup) continue; |
| 25 | links.set(url.href, lookup); |
| 26 | if (links.size === 2) break; |
| 27 | } |
| 28 | const subjects = yield* Effect.forEach( |
| 29 | links, |
| 30 | ([url, lookup]) => |
| 31 | lookup.pipe( |
| 32 | Effect.flatMap((subject) => |
| 33 | encodeSubject({ |
| 34 | title: subject.title.slice(0, 300), |
| 35 | body: subject.body?.slice(0, 1_200) ?? "", |
| 36 | }), |
| 37 | ), |
| 38 | Effect.map((summary) => `${url}\n${summary}`), |
| 39 | Effect.timeout("3 seconds"), |
| 40 | Effect.orElseSucceed(() => `${url}: unavailable`), |
| 41 | ), |
| 42 | { concurrency: 2 }, |
| 43 | ); |
| 44 | return subjects.length > 0 ? subjects.join("\n\n") : undefined; |
| 45 | }); |