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backlog-js CI npm version

Backlog API version 2 client for browser and node.

Required reading

Please check out the Nulab Backlog API page.

Installation

npm:

$ npm install --save backlog-js

Getting started

Append your "API Key" or "OAuth2 Access Token" to requests to the API to return data.

import 'isomorphic-form-data';
import 'isomorphic-fetch';
import * as backlogjs from 'backlog-js';

// 'xxx.backlog.jp' or 'xxx.backlogtool.com' or 'your package host'
const host = 'yourSpaceHost';
const apiKey = 'yourApiKey';
const accessToken = 'yourAccessToken';

// Use API Key
const backlog = new backlogjs.Backlog({ host, apiKey });

// Use OAuth2 Access Token
const backlog = new backlogjs.Backlog({ host, accessToken });

// Returns information about your space.
backlog.getSpace().then(data => {
  console.log('space:', data);
}).catch(err => {
  console.log('error:', err.message);
});

Other Example

Download File

// node
backlog.getSpaceIcon().then(data => {
  data.body.pipe(fs.createWriteStream(`./${data.filename}`));
}).catch(err => {
  console.log('error:', err.message);
});

// browser
backlog.getSpaceIcon().then(data => {  
  data.blob().then((blob) => {
    const objectURL = URL.createObjectURL(blob);
    const element = window.document.querySelector('#image');
    element.src = objectURL;
  });
}).catch(err => {
  console.log('error:', err.message);
});

Upload File

// node
const formData = new FormData();
formData.append("filename", "sample.png");
formData.append("file", fs.createReadStream("./sample.png"));

// browser
// <form id="upload_form" method="post" enctype="multipart/form-data" >
//   <input type="file" name="file" >
// </form>
const $form = window.document.querySelector('#upload_form');
const formData = new FormData($form);

backlog.postSpaceAttachment(formData).then(data => {
  console.log('success:', data);
}).catch(err => {
  console.log('error:', err.message);
});

Use OAuth2 for authentication

Details on the OAuth2 process are available here.

Here are the basic steps for OAuth2 using the Express:

import * as express from 'express';
import * as backlogjs from 'backlog-js';

const app = express();

const host = 'xxx.backlog.jp'; // or 'xxx.backlogtool.com' or 'your package host'
const clientId = 'yourClientId';
const clientSecret = 'yourClientSecret';
const redirectUri = 'https://localhost:3000/callback';
const state = 'yourState';

const credentials = { clientId, clientSecret }
const oauth2 = new backlogjs.OAuth2(credentials);

const authorizationURL = oauth2.getAuthorizationURL({ host, redirectUri, state });

app.get('/auth', (req, res) => {
  res.redirect(authorizationURL);
});

app.get('/callback', async (req, res) => {
  const code = req.query.code;
  try {
    const accessToken = await oauth2.getAccessToken({ host, code, redirectUri });
    console.log('Access Token:', accessToken);

    // save access token.

    const myself = await new backlogjs.Backlog({
      host, accessToken: accessToken.access_token
    }).getMyself();
    console.log('Myself:', myself);

    res.redirect('/');
  } catch (e) {
    console.log('Access Token Error', e.message);
    res.redirect('/login');
  }
});

app.get('/', (req, res) => {
  res.send('Hello');
});

app.get('/login', (req, res) => {
  res.send('<a href="/auth">Login with Backlog</a>');
});

app.listen(3000);

console.log('Express server started on port 3000');

License

MIT License