cmpstr-cli/dist/utils/input.js

Simple CLI wrapper for the CmpStr package to normalize and compare strings directly via terminal

/**
 * @fileoverview
 * Input utilities for CmpStr CLI.
 *
 * Provides functions to resolve string or file input and
 * to parse lists from input.
 *
 * @author Paul Köhler (komed3)
 * @license MIT
 */
'use strict';
import { access, readFile } from 'node:fs/promises';
/**
 * Resolves the input string.
 * If the input is a path to a readable file, reads and returns its trimmed content.
 * Otherwise, returns the trimmed input string itself.
 *
 * @async
 * @param {string} input - The input string or file path.
 * @returns {Promise< string >} The resolved input content.
 */
export async function resolveInput(input) {
    try {
        await access(input);
        return (await readFile(input, 'utf-8')).trim();
    }
    catch {
        return input.trim();
    }
}
/**
 * Resolves a list of strings from input.
 * If the input is a file, reads and splits its content by line or delimiter.
 * If the input is a string, splits by delimiter.
 *
 * @async
 * @param {string} input - The input string or file path.
 * @param {string} [delimiter=','] - The delimiter to use for splitting (default: `,`).
 * @returns {Promise< string[] >} The resolved list of strings.
 */
export async function resolveListInput(input, delimiter = ',') {
    try {
        const text = await resolveInput(input);
        return text.split(/\n/.exec(text) ? /\r?\n/ : delimiter).map(s => s.trim()).filter(Boolean);
    }
    catch {
        return [];
    }
}
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