Upgrade Expo App version

versionup.js

// Put this file on top directory in your expo project.
APP_JSON_FILE = 'app.prod.json'

var app_json = require(APP_JSON_FILE)
version = app_json.expo.version
console.log(`Latest version: ${version}`)

match = /([0-9]+\.[0-9]+\.)([0-9]+)/.exec(version)
major_minor_version = match[1]
patch_version = match[2]
new_patch_version = Number(patch_version) + 1
new_version = major_minor_version + new_patch_version
console.log(`New version: ${new_version}`)

app_json.expo.version = new_version
console.log(app_json)

const fs = require('fs')
fs.writeFileSync(APP_JSON_FILE, JSON.stringify(app_json, null, 2))