@stryker-mutator/core/dist/test/integration/child-proxy/echo.js

The extendable JavaScript mutation testing framework

import { commonTokens, tokens } from '@stryker-mutator/api/plugin';
export class Echo {
    constructor(logger, options, fileDescriptions) {
        this.logger = logger;
        this.fileDescriptions = fileDescriptions;
        this.testRunnerName = options.testRunner;
    }
    say(value) {
        return `${this.testRunnerName}: ${value}`;
    }
    sayDelayed(value, delay) {
        return new Promise((res) => {
            setTimeout(() => {
                res(this.say(`${value} (${delay} ms)`));
            }, delay);
        });
    }
    echoFiles() {
        return this.fileDescriptions;
    }
    exit(code) {
        process.exit(code);
    }
    warning() {
        process.emitWarning('Foo warning');
    }
    cwd() {
        return process.cwd();
    }
    debug(message) {
        this.logger.debug(message);
    }
    trace(message) {
        this.logger.trace(message);
    }
    reject(error) {
        return Promise.reject(new Error(error));
    }
    stdout(...args) {
        args.forEach((arg) => console.log(arg));
    }
    stderr(...args) {
        args.forEach((arg) => console.error(arg));
    }
    memoryLeak() {
        const arr = [];
        // eslint-disable-next-line no-constant-condition
        while (true) {
            arr.push(1);
        }
    }
}
Echo.inject = tokens(commonTokens.logger, commonTokens.options, commonTokens.fileDescriptions);
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