use published maticjs version
MODIFY
examples/node/approve-ERC20.js
examples/node/approve-ERC20.js
const bn = require('bn.js')
-const Matic = require('../../dist/index').default
+const Matic = require('@maticnetwork/maticjs').default
const config = require('./config')
const utils = require('./utils')

MODIFY
examples/node/deposit-ERC20.js
examples/node/deposit-ERC20.js
const bn = require('bn.js')
-const Matic = require('../../dist/index').default
+const Matic = require('@maticnetwork/maticjs').default
const config = require('./config')
const utils = require('./utils')

use published maticjs version