stryker/src/config/ConfigReader.js

The extendable JavaScript mutation testing framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var _ = require("lodash");
var fs = require("fs");
var path = require("path");
var config_1 = require("stryker-api/config");
var util_1 = require("@stryker-mutator/util");
var di_1 = require("../di");
var plugin_1 = require("stryker-api/plugin");
exports.CONFIG_SYNTAX_HELP = '  module.exports = function(config) {\n' +
    '    config.set({\n' +
    '      // your config\n' +
    '    });\n' +
    '  };';
var DEFAULT_CONFIG_FILE = 'stryker.conf.js';
var ConfigReader = /** @class */ (function () {
    function ConfigReader(cliOptions, log) {
        this.cliOptions = cliOptions;
        this.log = log;
    }
    ConfigReader.prototype.readConfig = function () {
        var configModule = this.loadConfigModule();
        var config = new config_1.Config();
        try {
            configModule(config);
        }
        catch (e) {
            throw new util_1.StrykerError('Error in config file!', e);
        }
        // merge the config from config file and cliOptions (precedence)
        config.set(this.cliOptions);
        if (config.reporter.length) {
            if (Array.isArray(config.reporter)) {
                config.reporters = config.reporter;
            }
            else {
                config.reporters = [config.reporter];
            }
            this.log.warn("DEPRECATED: please change the config setting 'reporter: " + JSON.stringify(config.reporter) + "' into 'reporters: " + JSON.stringify(config.reporters) + "'");
        }
        if (config.timeoutMs) {
            config.timeoutMS = config.timeoutMs;
            this.log.warn("DEPRECATED: please change the config setting 'timeoutMs: " + config.timeoutMs + "' into 'timeoutMS: " + config.timeoutMS + "'");
        }
        return config;
    };
    ConfigReader.prototype.loadConfigModule = function () {
        // Dummy module to be returned if no config file is loaded.
        var configModule = function () { };
        if (!this.cliOptions.configFile) {
            try {
                fs.accessSync(path.resolve("./" + DEFAULT_CONFIG_FILE));
                this.log.info("Using " + DEFAULT_CONFIG_FILE + " in the current working directory.");
                this.cliOptions.configFile = DEFAULT_CONFIG_FILE;
            }
            catch (e) {
                this.log.info('No config file specified. Running with command line arguments.');
                this.log.info('Use `stryker init` command to generate your config file.');
            }
        }
        if (this.cliOptions.configFile) {
            this.log.debug("Loading config " + this.cliOptions.configFile);
            var configFileName = path.resolve(this.cliOptions.configFile);
            try {
                configModule = require(configFileName);
            }
            catch (e) {
                if (e.code === 'MODULE_NOT_FOUND' && e.message.indexOf(this.cliOptions.configFile) !== -1) {
                    throw new util_1.StrykerError("File " + configFileName + " does not exist!", e);
                }
                else {
                    this.log.info('Stryker can help you setup a `stryker.conf` file for your project.');
                    this.log.info('Please execute `stryker init` in your project\'s root directory.');
                    throw new util_1.StrykerError('Invalid config file', e);
                }
            }
            if (!_.isFunction(configModule)) {
                this.log.fatal('Config file must export a function!\n' + exports.CONFIG_SYNTAX_HELP);
                throw new util_1.StrykerError('Config file must export a function!');
            }
        }
        return configModule;
    };
    ConfigReader.inject = plugin_1.tokens(di_1.coreTokens.cliOptions, plugin_1.commonTokens.logger);
    return ConfigReader;
}());
exports.default = ConfigReader;
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