Parse HAR

parse-har.js

/*
 * @Author: Richard Ayotte
 */

const fs = require('fs')
const url = require('url')
const [, , harFile] = process.argv
const getJsonRpcUrls = entry =>
	RegExp('https://api.infura.io/v1/jsonrpc').test(entry.request.url)
const harData = fs.readFileSync(harFile)
const har = JSON.parse(harData)
const report = har.log.entries.filter(getJsonRpcUrls).map(({ request }) => {
	if (request.method === 'GET') {
		const parsedUrl = url.parse(request.url)
		const rpc = parsedUrl.pathname.split('/').pop()
		return {
			method: request.method,
			rpc,
			params: request.queryString,
		}
	}
	if (request.method === 'POST') {
		const postData = JSON.parse(request.postData.text)
		return {
			method: request.method,
			rpc: postData.method,
			params: postData.params,
		}
	}
})

const uniqueRpcs = [...new Set(report.map(entry => entry.rpc))].sort()

console.log(uniqueRpcs)