nestjs-meili/dist/esm/utils.js

Seamless and declarative integration of [MeiliSearch](https://www.meilisearch.com/) into [NestJS](https://nestjs.com/). Use decorators to configure indexes and inject `MeiliSearch` with type safety and zero boilerplate.

import { Injectable } from "@nestjs/common";
import { MEILI_PRIMARY_KEY, MEILI_INDEX_RANKING_RULES, MEILI_INDEX_STOP_WORDS, MEILI_INDEX_SYNONYMS, MEILI_INDEX_DISTINCT, MEILI_INDEX_PAGINATION, MEILI_INDEX_FACETING, MEILI_INDEX_DISPLAYED, MEILI_INDEX, MEILI_INDEX_SEARCHABLE, MEILI_INDEX_FILTERABLE, MEILI_INDEX_SORTABLE, } from "./watermarks";
@Injectable()
export class MeiliUtils {
    async setupIndex(index, client) {
        const indexName = this.getIndexName(index);
        const primaryKey = Reflect.getMetadata(MEILI_PRIMARY_KEY, index);
        if (!primaryKey) {
            throw new Error(`Primary key for model ${index.name} is not set`);
        }
        try {
            const meiliIndex = await client.initIndex(indexName, primaryKey);
            const settings = {
                searchableAttributes: this.collectProps(index, MEILI_INDEX_SEARCHABLE),
                filterableAttributes: this.collectProps(index, MEILI_INDEX_FILTERABLE),
                sortableAttributes: this.collectProps(index, MEILI_INDEX_SORTABLE),
            };
            this.addOptionalSettings(index, settings);
            await meiliIndex.updateSettings(settings);
        }
        catch (error) {
            console.error(`Failed to setup Meili index for ${index.name}:`, error);
        }
    }
    getIndexName(index) {
        const customName = Reflect.getMetadata(MEILI_INDEX, index);
        return customName || index.name.toLowerCase();
    }
    collectProps(index, watermark) {
        return Reflect.getMetadata(watermark, index) || [];
    }
    addOptionalSettings(index, settings) {
        const ranking = Reflect.getMetadata(MEILI_INDEX_RANKING_RULES, index);
        const stopWords = Reflect.getMetadata(MEILI_INDEX_STOP_WORDS, index);
        const synonyms = Reflect.getMetadata(MEILI_INDEX_SYNONYMS, index);
        const distinct = Reflect.getMetadata(MEILI_INDEX_DISTINCT, index);
        const pagination = Reflect.getMetadata(MEILI_INDEX_PAGINATION, index);
        const faceting = Reflect.getMetadata(MEILI_INDEX_FACETING, index);
        const displayed = Reflect.getMetadata(MEILI_INDEX_DISPLAYED, index);
        if (ranking)
            settings.rankingRules = ranking;
        if (stopWords)
            settings.stopWords = stopWords;
        if (synonyms)
            settings.synonyms = synonyms;
        if (displayed?.length)
            settings.displayedAttributes = displayed;
        if (distinct)
            settings.distinctAttribute = distinct;
        if (pagination)
            settings.pagination = { maxTotalHits: pagination };
        if (faceting)
            settings.faceting = { maxValuesPerFacet: faceting };
    }
}