@microsearch/lightning/dist/src/config/index.js

Lightning fast text search for Node.js - blazing fast markdown and text search engine ⚡

import dotenv from 'dotenv';
import { z } from 'zod';
import path from 'path';
import { fileURLToPath } from 'url';
// Load environment variables
dotenv.config();
// Get __dirname equivalent for ES modules
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Configuration schema
const configSchema = z.object({
    ROOT_DOCS_FOLDER: z.string().default('./benchmarks/data/markdown'),
    MAX_DOCS: z.coerce.number().positive().default(100000),
    SEARCH_MAX_RESULTS: z.coerce.number().positive().default(10),
    METRICS_FILE: z.string().default('./metrics/search-benchmarks.json'),
    BENCHMARK_RUNS: z.coerce.number().positive().default(1000),
    VERBOSE: z.coerce.boolean().default(false),
    ALLOW_FUZZY_SEARCH: z.coerce.boolean().default(false),
    ALLOW_PHRASE_SEARCH: z.coerce.boolean().default(true),
    TIMEOUT_WARN_MS: z.coerce.number().positive().default(100),
    TOKENIZATION_MODE: z.enum(['word', 'ngram', 'whitespace']).default('word'),
    REMOVE_STOPWORDS: z.coerce.boolean().default(true),
    TIMEZONE: z.string().default('UTC'),
    FIELD_WEIGHTS: z
        .string()
        .transform((str) => {
        try {
            return JSON.parse(str);
        }
        catch {
            return { title: 2, content: 1 };
        }
    })
        .default('{"title":2,"content":1}'),
    INDEX_BATCH_SIZE: z.coerce.number().positive().default(1000),
    SNIPPET_LENGTH: z.coerce.number().positive().default(150),
    SNIPPET_CONTEXT_WORDS: z.coerce.number().positive().default(10),
});
// Parse and validate configuration
const config = configSchema.parse(process.env);
// Resolve paths relative to project root
const projectRoot = path.resolve(__dirname, '../../../');
config.ROOT_DOCS_FOLDER = path.resolve(projectRoot, config.ROOT_DOCS_FOLDER);
config.METRICS_FILE = path.resolve(projectRoot, config.METRICS_FILE);
export default config;
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