navy/lib/cli/wait-for-healthy.js

Quick and powerful development environments using Docker and Docker Compose

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;

var _chalk = _interopRequireDefault(require("chalk"));

var _readline = _interopRequireDefault(require("readline"));

var _cliSpinners = require("cli-spinners");

var _ = require("../");

let spinnerIndex = 0;
let spinnerFrame = _cliSpinners.dots.frames[0];

async function _default(services, opts) {
  const navy = (0, _.getNavy)(opts.navy);
  const servicesToCheck = services.length === 0 ? undefined : services;

  if (!process.stdout.isTTY) {
    await navy.waitForHealthy(servicesToCheck);
    console.log('Now available');
    return;
  }

  let healthyStatus = [];
  let drawnLines = 0;

  function draw() {
    drawnLines = 0;

    if (healthyStatus.length === 0) {
      console.log('Waiting');
      drawnLines = 1;
      return;
    }

    const lines = healthyStatus.map(service => `${service.health !== 'healthy' ? _chalk.default.yellow(spinnerFrame) : _chalk.default.green('✔')} ${service.service}`);
    drawnLines = lines.length;
    console.log(lines.join('\n'));
  }

  function redraw() {
    _readline.default.clearLine(process.stdout, 0);

    _readline.default.cursorTo(process.stdout, 0);

    for (let i = 0; i < drawnLines; i++) {
      _readline.default.moveCursor(process.stdout, 0, -1);

      _readline.default.clearLine(process.stdout, 0);
    }

    draw();
  }

  const spinner = setInterval(() => {
    spinnerIndex++;

    if (spinnerIndex >= _cliSpinners.dots.frames.length) {
      spinnerIndex = 0;
    }

    spinnerFrame = _cliSpinners.dots.frames[spinnerIndex];
    redraw();
  }, _cliSpinners.dots.interval);
  draw();
  await navy.waitForHealthy(servicesToCheck, servicesHealth => healthyStatus = servicesHealth);
  redraw();
  clearInterval(spinner);
}

module.exports = exports.default;