evaluate.js

process.stdin.on("data", function(data) {
    
    const fs = require("fs");
    const path = require("path")
    const Judge = require("./judge.js").Judge;

    // parse JSON with configuration settings from stdin 
    const config = JSON.parse(data);
    
    // extract configuration settings
    const resourcesDir = config["resources"];
    const sourceFile = config["source"];
    const timeLimit = config["time_limit"];
    const memoryLimit = config["memory_limit"];
    const naturalLanguage = config["natural_language"];
    const programmingLanguage = config["programming_language"];
    
    // process tests
    const judge = new Judge(
        path.join(resourcesDir, "tests.js"),
        {
            // convert time limit from seconds to millisecond and only consume
            // 90% of the available time in order to have some spare time to
            // generate the feedback on stdout
            time_limit: Math.floor(timeLimit * 900),
            memory_limit: memoryLimit,
            natural_language: naturalLanguage,
            programming_language: programmingLanguage,
        }
    );

    // evaluate tests and output result to stdout
    judge.run(sourceFile);     

});