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51 lines
2.4 KiB
JavaScript
51 lines
2.4 KiB
JavaScript
// wikidata search — find Wikidata entities (items) by keyword.
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//
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// Hits `wbsearchentities` on the public MediaWiki API. Returns Q-IDs that
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// round-trip into `wikidata entity` for full detail.
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import { cli, Strategy } from '@jackwener/opencli/registry';
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import { EmptyResultError } from '@jackwener/opencli/errors';
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import { WIKIDATA_BASE, requireBoundedInt, requireLanguage, requireString, wikidataFetch } from './utils.js';
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cli({
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site: 'wikidata',
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name: 'search',
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access: 'read',
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description: 'Search Wikidata items by keyword (returns Q-IDs)',
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domain: 'www.wikidata.org',
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strategy: Strategy.PUBLIC,
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browser: false,
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args: [
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{ name: 'query', positional: true, required: true, help: 'Search keyword (label / alias)' },
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{ name: 'language', default: 'en', help: 'Search & display language (ISO 639, e.g. en, fr, zh)' },
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{ name: 'limit', type: 'int', default: 20, help: 'Max items (1-50)' },
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],
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columns: ['rank', 'qid', 'label', 'description', 'matchType', 'matchText', 'url'],
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func: async (args) => {
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const query = requireString(args.query, 'query');
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const language = requireLanguage(args.language);
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const limit = requireBoundedInt(args.limit, 20, 50);
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const url = `${WIKIDATA_BASE}/w/api.php?action=wbsearchentities`
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+ `&search=${encodeURIComponent(query)}`
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+ `&language=${encodeURIComponent(language)}`
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+ `&uselang=${encodeURIComponent(language)}`
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+ `&type=item&format=json&limit=${limit}&origin=*`;
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const body = await wikidataFetch(url, 'wikidata search');
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const list = Array.isArray(body?.search) ? body.search : [];
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if (!list.length) {
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throw new EmptyResultError('wikidata search', `No Wikidata items matched "${query}" in language "${language}".`);
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}
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return list.slice(0, limit).map((item, i) => {
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const qid = String(item?.id ?? '').trim();
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return {
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rank: i + 1,
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qid,
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label: typeof item?.label === 'string' ? item.label : null,
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description: typeof item?.description === 'string' ? item.description : null,
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matchType: typeof item?.match?.type === 'string' ? item.match.type : null,
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matchText: typeof item?.match?.text === 'string' ? item.match.text : null,
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url: qid ? `${WIKIDATA_BASE}/wiki/${qid}` : '',
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};
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});
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},
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});
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