source: imaps-frontend/node_modules/enhanced-resolve/lib/createInnerContext.js

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

"use strict";

/** @typedef {import("./Resolver").ResolveContext} ResolveContext */

/**
 * @param {ResolveContext} options options for inner context
 * @param {null|string} message message to log
 * @returns {ResolveContext} inner context
 */
module.exports = function createInnerContext(options, message) {
        let messageReported = false;
        let innerLog = undefined;
        if (options.log) {
                if (message) {
                        /**
                         * @param {string} msg message
                         */
                        innerLog = msg => {
                                if (!messageReported) {
                                        /** @type {(function(string): void)} */
                                        (options.log)(message);
                                        messageReported = true;
                                }

                                /** @type {(function(string): void)} */
                                (options.log)("  " + msg);
                        };
                } else {
                        innerLog = options.log;
                }
        }

        return {
                log: innerLog,
                yield: options.yield,
                fileDependencies: options.fileDependencies,
                contextDependencies: options.contextDependencies,
                missingDependencies: options.missingDependencies,
                stack: options.stack
        };
};