node-darts/dist/esm/core/utils.js

Node.js Native Addon for Darts (Double-ARray Trie System)

import * as fs from 'fs';
import * as path from 'path';
import { FileNotFoundError } from './errors';
/**
 * Checks if a file exists
 * @param filePath file path
 * @returns true if the file exists, false otherwise
 */
export function fileExists(filePath) {
    try {
        return fs.existsSync(filePath);
    }
    catch {
        return false;
    }
}
/**
 * Validates a file path
 * @param filePath file path
 * @throws {FileNotFoundError} if the file is not found
 */
export function validateFilePath(filePath) {
    if (!fileExists(filePath)) {
        throw new FileNotFoundError(filePath);
    }
}
/**
 * Creates a directory if it doesn't exist
 * @param dirPath directory path
 */
export function ensureDirectoryExists(dirPath) {
    const dirname = path.dirname(dirPath);
    if (!fs.existsSync(dirname)) {
        fs.mkdirSync(dirname, { recursive: true });
    }
}
/**
 * Sorts an array of strings
 * @param arr array to sort
 * @returns a new sorted array
 */
export function sortStrings(arr) {
    return [...arr].sort((a, b) => a.localeCompare(b));
}
/**
 * Removes duplicates from an array
 * @param arr array to remove duplicates from
 * @returns a new array with duplicates removed
 */
export function uniqueArray(arr) {
    return [...new Set(arr)];
}
/**
 * Sorts an array of strings and removes duplicates
 * @param arr array to process
 * @returns a new sorted array with duplicates removed
 */
export function sortAndUniqueStrings(arr) {
    return uniqueArray(sortStrings(arr));
}
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