@thisisagile/easy-mongo
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Add support for MongoDB
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{"version":3,"sources":["../src/Lucene.ts"],"sourcesContent":["import {\n DateTime,\n entries,\n Func,\n ifDefined,\n ifNotEmpty,\n ifTrue,\n isDefined,\n isEmptyObject,\n isFunction,\n List,\n on,\n OneOrMore,\n Optional,\n RequireAtLeastOne,\n toArray,\n toList,\n} from '@thisisagile/easy';\nimport { toMongoType } from './Utils';\n\ntype FuzzyOptions = {\n maxEdits: number;\n prefixLength: number;\n maxExpansions: number;\n};\n\nexport type Facet =\n | { path: string; type: 'string'; numBuckets: number }\n | { path: string; type: 'number'; boundaries: number[]; default?: string }\n | { path: string; type: 'date'; boundaries: Date[]; default?: string };\n\nexport type Operator = Func<Optional<object>, string>;\nexport type Clause = object | Operator;\nexport type Clauses = Record<string, Clause>;\nexport type SearchDefinition = Record<\n string,\n (\n v: string | number,\n q?: Record<string, string | number>\n ) => RequireAtLeastOne<{\n should?: Clauses;\n filter?: Clauses;\n must?: Clauses;\n mustNot?: Clauses;\n sort?: Record<string, 1 | -1>;\n facet?: Facet;\n }>\n>;\n\ntype Compound = {\n must: OneOrMore<Clauses>;\n should: OneOrMore<Clauses>;\n mustNot: OneOrMore<Clauses>;\n filter: OneOrMore<Clauses>;\n};\n\nconst should = (query: Record<string, string | number>, def: SearchDefinition): Clauses[] => entries(query).mapDefined(([k, v]) => def[k]?.(v, query)?.should);\nconst must = (query: Record<string, string | number>, def: SearchDefinition): Clauses[] => entries(query).mapDefined(([k, v]) => def[k]?.(v, query)?.must);\nconst mustNot = (query: Record<string, string | number>, def: SearchDefinition): Clauses[] =>\n entries(query).mapDefined(([k, v]) => def[k]?.(v, query)?.mustNot);\nconst filter = (query: Record<string, string | number>, def: SearchDefinition): Clauses[] => entries(query).mapDefined(([k, v]) => def[k]?.(v, query)?.filter);\n\nexport const lucene = {\n clause: (c: Clauses) => entries(c).reduce((res, [k, v]) => res.add(isFunction(v) ? v(k) : v), toList()),\n clauses: (cs: OneOrMore<Clauses>) => toArray(cs).flatMap(c => lucene.clause(c)),\n compound: (query: Record<string, string | number>, def: SearchDefinition, wildcard = true): Partial<Compound> =>\n ifNotEmpty(\n entries({\n should: should(query, def),\n filter: filter(query, def),\n mustNot: mustNot(query, def),\n must: must(query, def),\n }).filter(([_, v]) => v.length > 0),\n e => e.reduce((res, [k, v]) => on(res, r => (r[k] = lucene.clauses(v))), should(query, def).length > 0 ? { minimumShouldMatch: 1 } : ({} as any)),\n () =>\n ifTrue(wildcard, () => ({\n should: lucene.clauses([{ r: { exists: { path: 'id' } } }]),\n minimumShouldMatch: 0,\n }))\n ),\n search: (c: Partial<Compound>, index?: string) => ({\n $search: {\n ...ifDefined(index, { index }),\n compound: entries(c).reduce((res, [k, v]) => on(res, r => (r[k] = lucene.clauses(v))), {} as any),\n },\n }),\n searchWithDef: (query: Record<string, string | number>, options: SearchDefinition, count: 'total' | 'lowerBound' = 'total', index?: string) => {\n const sort = entries(query)\n .mapDefined(([k, v]) => options[k]?.(v, query)?.sort)\n .first();\n return {\n $search: {\n ...ifDefined(index, { index }),\n compound: lucene.compound(query, options),\n ...ifDefined(sort, { sort }),\n count: { type: count },\n },\n };\n },\n searchMeta: (query: Record<string, string | number>, def: SearchDefinition, count: 'total' | 'lowerBound' = 'total', index?: string) => ({\n $searchMeta: {\n ...ifDefined(index, { index }),\n ...ifTrue(\n !isEmptyObject(lucene.facets(def)),\n {\n facet: {\n operator: {\n compound: lucene.compound(query, def),\n },\n facets: lucene.facets(def),\n },\n },\n { compound: lucene.compound(query, def) }\n ),\n count: { type: count },\n },\n }),\n exists: (): Operator => (path: string) => ({ exists: { path } }),\n equals:\n (value: unknown): Operator =>\n (path: string) => ({ equals: { path, value: value === 1 } }),\n text:\n (value?: OneOrMore<unknown>, fuzzy?: Partial<FuzzyOptions>): Operator =>\n (path: string) =>\n ifDefined(value, v => ({\n text: {\n path: path === 'wildcard' ? { wildcard: '*' } : path,\n query: v,\n ...ifDefined(fuzzy, { fuzzy }),\n },\n })),\n wildcard:\n (value?: OneOrMore<unknown>, allowAnalyzedField = true): Operator =>\n (path: string) => ({\n wildcard: {\n path: path === 'wildcard' ? { wildcard: '*' } : path,\n query: ifDefined(value, value, '*'),\n allowAnalyzedField,\n },\n }),\n lt:\n (value: unknown): Operator =>\n (path: string) =>\n ifDefined(value, lt => ({ range: { path, lt } })),\n lte:\n (value: unknown): Operator =>\n (path: string) =>\n ifDefined(value, lte => ({ range: { path, lte } })),\n gt:\n (value: unknown): Operator =>\n (path: string) =>\n ifDefined(value, gt => ({ range: { path, gt } })),\n gte:\n (value: unknown): Operator =>\n (path: string) =>\n ifDefined(value, gte => ({ range: { path, gte } })),\n after: (date: unknown): Operator => lucene.gte(toMongoType(date)),\n before: (date: unknown): Operator => lucene.lt(toMongoType(date)),\n between:\n (after: unknown, before: unknown, includeLimit?: boolean): Operator =>\n (path: string) => {\n const upperLimit = includeLimit ? { lte: toMongoType(before) } : { lt: toMongoType(before) };\n return {\n range: {\n path,\n gte: toMongoType(after),\n ...upperLimit,\n },\n };\n },\n facets: (def: SearchDefinition) =>\n entries(def)\n .filter(([k, v]) => isDefined(v(k)?.facet))\n .map(([k, v]) => ({ [k]: v(k)?.facet }))\n .reduce((acc, v) => ({ ...acc, ...v }), {}),\n facet: {\n string: (path: string, numBuckets = 1000): Facet => ({\n type: 'string',\n path,\n numBuckets,\n }),\n number: (path: string, boundaries: List<number>, alt?: string): Facet => ({\n type: 'number',\n path,\n boundaries,\n ...ifDefined(alt, a => ({ default: a })),\n }),\n date: (path: string, boundaries: List<DateTime>, alt?: string): Facet => ({\n type: 'date',\n path,\n boundaries: boundaries.mapDefined(b => b.toDate()),\n ...ifDefined(alt, a => ({ default: a })),\n }),\n 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