logger-client-js

What is it ?

It's a javascript client to use Logger api.

Technical stack

• ECMAScript 6 to use last functionalities like class, promise, async/await, etc... http://es6-features.org
• Webpack to manage modules https://webpack.js.org/
• Babel to compile the javascript to be compatible with old browsers https://babeljs.io/
• Tools executed with Node.js version 10 https://nodejs.org/en/
• Packages managed with npm https://nodejs.org/en/
• ESLing to linting the code https://eslint.org/

How to install it and modify it

• Execute command npm i
• Generate development file: execute command npm run dev (result path: dist/logger-client.js) It will keep a process to re-generate the file each times you change the sources
• Generate dist file: execute command npm run build (result path: dist/logger-client.js)
• Execute unit tests: execute command npm run test (code coverage page path: coverage/index.html)
• When you push your changes, don't forget to generate dist file !
• Update the npm package: npm login(to log with yoctu account) and npm publish(don't forget to change version in package.json)

How to integrate it

How to get the client

Without ES6 modules

• Fetch the project files (download, clone, etc...)
• Add a <script> to use file in dist/logger-client.js

With ES6 modules

• Fetch the project files (download, clone, etc...)
• Import the client with import * as LoggerClient from 'logger-client-js''

You will be able to import only the feature you want (see the example below).

How to use it

First you need to configure the client using the configure function. You only need to do this once in your project. If you don't do it, you'll get an exception when using the client.

import { configure } from 'logger-client-js';

configure({
  url:'http://127.0.0.1:8080/api/notifications',
  filterLevel: LoggerClient.Notification.LVL_DEBUG,
  isHttpServer: true, // if node process is running a http server
});

Create a log

import { Notification, notify } from 'logger-client-js';

var notif = new Notification({
    message: `Test message à la date du ${Date.now()}`,
    user: 'Yoctu',
    server: 'http://server.com',
    command: 'pkg',
    origin: 'cli',
    category: Notification.BUSINESS,
    level: Notification.LVL_DEBUG,
    reportedAt: new Date('2020-02-14'),
    context: [
      {
        key: 'Key1',
        value: 'Value1',
      },
    ]
});

notify(notif)
  .then(response => {
    console.log('The result is', response);
  })
  .catch(err => console.log('The was an error', err));

Retrieve logs

import { Notification, retrieve } from 'logger-client-js';

retrieve({
  notification_message: 'tests',
  notification_operator: 'like'
})
  .then(response => {
    console.log(response);
  })
  .catch((err) => {
    console.log(err.statusText);
  });