firebase-tools/lib/checkFirebaseSDKVersion.js

"use strict";

var chalk = require("chalk");
var path = require("path");

var semver = require("semver");
var spawn = require("cross-spawn");

var utils = require("./utils");
var logger = require("./logger");

module.exports = function(options) {
  return new Promise(function(resolve) {
    if (!options.config.has("functions")) {
      return resolve();
    }
    try {
      var output;
      var child = spawn("npm", ["outdated", "firebase-functions", "--json=true"], {
        cwd: path.join(options.config.projectDir, options.config.get("functions.source")),
        stdio: [0, "pipe", 2],
      });

      child.on("error", function(err) {
        logger.debug(err.stack);
        return resolve();
      });

      child.stdout.on("data", function(data) {
        output = JSON.parse(data.toString("utf8"));
      });

      child.on("exit", function() {
        return resolve(output);
      });
    } catch (e) {
      resolve();
    }
  }).then(function(output) {
    if (!output) {
      return;
    }
    var wanted = output["firebase-functions"].wanted;
    var latest = output["firebase-functions"].latest;

    if (semver.lt(wanted, latest)) {
      utils.logWarning(
        chalk.bold.yellow("functions: ") +
          "package.json indicates an outdated version of firebase-functions.\n Please upgrade using " +
          chalk.bold("npm install --save firebase-functions@latest") +
          " in your functions directory."
      );
      if (semver.satisfies(wanted, "0.x") && semver.satisfies(latest, "1.x")) {
        utils.logWarning(
          chalk.bold.yellow("functions: ") +
            "Please note that there will be breaking changes when you upgrade.\n Go to " +
            chalk.bold("https://firebase.google.com/docs/functions/beta-v1-diff") +
            " to learn more."
        );
      }
    }
  });
};