cmpstr-cli/dist/commands/compare.js

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

/**
 * @fileoverview
 * Compare command for CmpStr CLI.
 *
 * Compares two strings using a selected similarity metric and outputs the result.
 * Supports both synchronous and asynchronous processing and verbose output.
 *
 * @author Paul Köhler (komed3)
 * @license MIT
 */
'use strict';
import { CmpStrAsync } from 'cmpstr';
import { cfg } from '../utils/config.js';
import { resolveInput } from '../utils/input.js';
import { output } from '../utils/output.js';
/**
 * Compares two input strings and outputs their similarity score.
 *
 * @async
 * @param {string} a - The first input string or file path.
 * @param {string} b - The second input string or file path.
 * @param {Record<string, any>} [opt] - Additional options for comparison.
 * @param {Command} cmd - The Commander command instance.
 * @returns {Promise<void>}
 */
export async function compare(a, b, opt = Object.create(null), cmd) {
    const config = await cfg(cmd, opt);
    const { async = false, verbose = false, metric = 'levenshtein', flags = '' } = config;
    a = await resolveInput(a);
    b = await resolveInput(b);
    const cmp = CmpStrAsync
        .create()
        .setRaw(verbose)
        .setMetric(metric)
        .setFlags(flags);
    if (verbose)
        output(config, cmd, JSON.stringify(async
            ? await cmp.testAsync(a, b)
            : cmp.test(a, b)));
    else
        output(config, cmd, async
            ? await cmp.compareAsync(a, b)
            : cmp.compare(a, b));
}
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