source: frontend/node_modules/webpack/lib/RequestShortener.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const { contextify } = require("./util/identifier");

/** @typedef {import("./util/identifier").AssociatedObjectForCache} AssociatedObjectForCache */

/**
 * Shortens absolute or verbose request strings so diagnostics and stats output
 * can be rendered relative to a chosen base directory.
 */
class RequestShortener {
        /**
         * Binds a context-aware shortening function to the provided directory and
         * optional cache owner.
         * @param {string} dir the directory
         * @param {AssociatedObjectForCache=} associatedObjectForCache an object to which the cache will be attached
         */
        constructor(dir, associatedObjectForCache) {
                this.contextify = contextify.bindContextCache(
                        dir,
                        associatedObjectForCache
                );
        }

        /**
         * Returns a request string rewritten relative to the configured directory
         * when one is provided.
         * @param {string | undefined | null} request the request to shorten
         * @returns {string | undefined | null} the shortened request
         */
        shorten(request) {
                if (!request) {
                        return request;
                }
                return this.contextify(request);
        }
}

module.exports = RequestShortener;