lambee/lib/cache.js

A tool to help developer work with AWS Lambda.

/**
 * This simple cache is just used to make development easier. It removes the lag of 
 * waiting for the AWS API call. Commented out for production.
 */
const fs = require('fs')
const os = require('os')


const cacheDir = os.homedir() + '/.centbee-cli'

function get(key) {

    if (!fs.existsSync(cacheDir)) {
        fs.mkdirSync(cacheDir)
    }

    if (!fs.existsSync(cacheDir + '/' + key)) {
        return
    } else {
        return JSON.parse(fs.readFileSync(cacheDir + '/' + key, 'utf-8'))
    }

}

function put(key, data) {

    if (!fs.existsSync(cacheDir)) {
        fs.mkdirSync(cacheDir)
    }

    fs.writeFileSync(cacheDir + '/' + key, JSON.stringify(data, undefined, 4))

}

module.exports = { get, put }