@mieweb/wikigdrive/esm/src/containers/search/LunrIndexer.js

Google Drive to MarkDown synchronization

import lunr from 'lunr';
import stemmerSupport from 'lunr-languages/lunr.stemmer.support.js';
stemmerSupport(lunr);
lunr.tokenizer.separator = /[\s-_@#,.]+/;
export class LunrIndexer {
    constructor() {
        Object.defineProperty(this, "lunrBuilder", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "store", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.lunrBuilder = new lunr.Builder();
        this.lunrBuilder.ref('path');
        this.lunrBuilder.field('id2', { extractor: (doc) => {
                return doc['id'] ? doc['id'].replace(/[_-]*/g, '') : undefined;
            } });
        this.lunrBuilder.field('id');
        this.lunrBuilder.field('title');
        this.store = {};
    }
    async addPage(page) {
        this.lunrBuilder.add({
            path: page.path,
            title: page.title,
            id: page.id
        });
        this.store[page.path] = {
            title: page.title,
            id: page.id
        };
    }
    getJson() {
        const lunrIndex = this.lunrBuilder.build();
        return { index: lunrIndex.toJSON(), store: this.store };
    }
}