Google cloud function running sci

sci_google_cloud.js

const { evalString } = require("@borkdude/sci");

let printlnArgs = [];

function println(...args) {
  printlnArgs.push(args.map(arg => arg.toString()).join(" "));
}

exports.evalClojureExpr = (req, res) => {
  const { text } = req.body;
  
  try {
    const result = evalString(text, {namespaces: {"clojure.core": {println: println}}});
    let value = [];
    if (printlnArgs.length !== 0) {
      value.push(...printlnArgs);
    }
    if (result !== undefined) {
      value.push(result.toString());
    }
    res.json({
      response_type: "in_channel",
      text: `\`\`\`${value.join("\n")}\`\`\``,
      type: "mrkdwn"
    });
  } catch (error) {
    res.json({
      response_type: "in_channel",
      text: `\`${error.message}\``,
      type: "mrkdwn"
    });
  }
  printlnArgs = [];
};