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// SPDX-License-Identifier: Apache-2.0
/**
* @module Aggregator/ArticleMetadata
* @description Resolve per-language `{title, description}` for an article
* rendered by the aggregator pipeline. The resolver follows a strict
* priority ladder that prefers *real editorial highlights* over boring,
* repeated templates — satisfying the core SEO requirement that every
* published article carry a unique, content-reflective headline and
* description in every language variant.
*
* Priority ladder (per language, highest wins) — matches the editorial
* contract documented in
* [`.github/prompts/04-article-generation.md`](../../.github/prompts/04-article-generation.md) § 6.2:
*
* 1. **Manifest override** — `manifest.title` / `manifest.description` on
* the analysis-run manifest, either as a plain string (applied to every
* language) or a `LanguageMap<string>` object for explicit per-language
* values.
* 2. **Localized executive brief** — for non-English `<lang>`, the
* translated sibling `executive-brief_<lang>.md` (or
* `extended/executive-brief_<lang>.md`) under the run directory.
* Resolved via `editorial-brief-resolver.ts`. This is the authoritative
* localized source produced by the `news-translate` workflow.
* 3. **English executive brief, verbatim** — the English brief
* (`executive-brief.md` / `extended/executive-brief.md`) used as a
* fall-through when a locale has no translated brief yet.
* 4. **Artefact editorial H1** — first `# …` heading from the first
* substantive artefact under the run directory.
* 5. **Aggregated-markdown H1** — the first `# …` heading in the aggregator
* output, accepted under the same non-generic rule.
* 6. **First strong prose paragraph** — the first line of the aggregated
* Markdown that survives {@link shouldSkipDescriptionLine}.
* 7. **Localized template** — the per-article-type `*_TITLES` generator
* from `src/constants/language-articles.ts`. Last resort.
*
* --- IMPLEMENTATION NOTE ---
*
* Following Refactor 6/8 (issue #2034) this file holds the resolver
* orchestrator (`resolveArticleMetadata`) plus per-language dispatch
* (`resolveOneLanguage`, `resolvePerLanguageEditorial`) that depend on
* `resolveLocalizedBriefHighlight` from `editorial-brief-resolver.ts`.
* Pure leaf helpers live in `src/aggregator/metadata/`:
*
* - `metadata/types.ts` — `ResolvedMetadata{Entry}`, `MetadataManifest`,
* `ResolveMetadataOptions`.
* - `metadata/h1-extractor.ts` — first-H1 extraction.
* - `metadata/lede-extractor.ts` — strong-prose + lede-after-heading.
* - `metadata/heading-rules.ts` — generic/category/lede heading rules.
* - `metadata/slug.ts` — `humanizeSlug`.
* - `metadata/artifact-highlight.ts` — editorial-artefact highlight
* ladder + priority-finding extractor.
* - `metadata/template-fallback.ts` — `buildTemplateFallback` +
* `SEO_CONTEXT_LABELS`.
* - `metadata/text-utils.ts` — truncation + skip filters.
* - `metadata/date-labels.ts` — week/month/quarter/year/term labels.
* - `metadata/resolve-helpers.ts` — pure resolver helpers
* (manifest override, editorial-content, contextual title/description,
* SEO keywords).
*
* New code should import directly from the leaf modules. This barrel is
* preserved for backward compatibility with existing call sites.
*/
import { ALL_LANGUAGES } from '../constants/language-core.js';
import type { LanguageCode } from '../types/index.js';
import { resolveLocalizedBriefHighlight } from './editorial-brief-resolver.js';
import { resolveOneLanguage } from './metadata/per-language-resolver.js';
import { buildTemplateFallback } from './metadata/template-fallback.js';
import { resolveEditorialContent } from './metadata/resolve-helpers.js';
import type {
ResolvedMetadata,
ResolvedMetadataEntry,
ResolveMetadataOptions,
} from './metadata/types.js';
// --- Public re-exports (leaf modules) ---
export type {
MetadataManifest,
ResolvedMetadata,
ResolvedMetadataEntry,
ResolveMetadataOptions,
} from './metadata/types.js';
export {
shouldSkipDescriptionLine,
stripLeadingProseLabel,
stripInlineMarkdown,
truncateDescription,
truncateExtendedDescription,
truncateTitle,
extractFirstSentence,
} from './metadata/text-utils.js';
export {
isArtifactCategoryHeading,
stripArtifactCategoryAffix,
isGenericHeading,
} from './metadata/heading-rules.js';
export { humanizeSlug } from './metadata/slug.js';
export { extractFirstH1 } from './metadata/h1-extractor.js';
export {
extractStrongProseLine,
extractLedeAfterHeading,
extractExtendedLedeAfterHeading,
} from './metadata/lede-extractor.js';
export {
extractArtifactHighlight,
extractPriorityFindingHighlight,
isTranslatedSiblingBrief,
} from './metadata/artifact-highlight.js';
export { buildTemplateFallback } from './metadata/template-fallback.js';
export {
deriveWeekRange,
deriveReportingWindowForWeekInReview,
deriveMonthLabel,
deriveQuarterLabel,
deriveYearLabel,
deriveTermLabel,
deriveElectionCycleLabel,
} from './metadata/date-labels.js';
export { buildSeoKeywords } from './metadata/seo-keywords.js';
// --- Resolver orchestrator ---
/**
* Resolve per-language `{title, description}` for one article following
* the priority ladder documented at the top of this module.
*
* @param opts - Resolver inputs ({@link ResolveMetadataOptions})
* @returns One `{title, description}` entry per supported language
*/
export function resolveArticleMetadata(opts: ResolveMetadataOptions): ResolvedMetadata {
const manifest = opts.manifest ?? {};
const englishEditorial = resolveEditorialContent(opts);
const template = buildTemplateFallback(opts.articleType, opts.date, manifest.committee);
// Manifests may carry runId as a string (UUID) or a number (incrementing counter).
// Coerce to string before trimming to avoid `runId?.trim is not a function` on numeric IDs.
// When runId is a UUID (no embedded `runN` token), fall back to `articleTypeSlug`
// (e.g. "committee-reports-run50") which carries the run number we need for
// disambiguating same-date sub-runs.
const rawRunId =
manifest.runId === undefined || manifest.runId === null ? '' : String(manifest.runId).trim();
const slugForRun =
typeof (manifest as { articleTypeSlug?: unknown }).articleTypeSlug === 'string'
? String((manifest as { articleTypeSlug?: string }).articleTypeSlug).trim()
: '';
const runId =
/(?:^|-)run\d+/u.test(rawRunId) || /^\d+$/u.test(rawRunId)
? rawRunId
: slugForRun && /-run\d+$/u.test(slugForRun)
? slugForRun
: rawRunId;
const result: Record<LanguageCode, ResolvedMetadataEntry> = Object.create(null) as Record<
LanguageCode,
ResolvedMetadataEntry
>;
for (const lang of ALL_LANGUAGES) {
const entry = resolveOneLanguage({
lang,
manifest,
englishEditorial,
template: template[lang],
runDir: opts.runDir,
articleType: opts.articleType,
date: opts.date,
runId,
resolveLocalizedBrief: resolveLocalizedBriefHighlight,
});
Object.defineProperty(result, lang, {
value: entry,
enumerable: true,
writable: true,
configurable: true,
});
}
return result;
}
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