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metamask-extension/development/static-server.js
Mark Stacey 4cdf251ea5
Add mock Segment server (#9783)
This mock Segment server can be used to test our extension metrics. It
will respond to all request with HTTP 200, and will print the requests
to the console. It also has parsing built-in for Segment request
payloads.

Right now only the event name is printed, but we can enhance this in
the future to print more event information. We can also enhance the
mock to be a more realistic representation of the API.

The extension has been modified to allow the Segment host to be
overwritten with the `SEGMENT_HOST` environment variable. This will
ensure that all Segment events are redirected to that host.

So for example, to create a dev build that uses this server, you could
set the `SEGMENT_WRITE_KEY` and `SEGMENT_LEGACY_WRITE_KEY` values to
any non-empty string, and set `SEGMENT_HOST` to
`http://localhost:9090`.

This was created originally to test PR #9768
2020-11-09 18:15:23 -03:30

78 lines
2.0 KiB
JavaScript

const fs = require('fs')
const path = require('path')
const chalk = require('chalk')
const pify = require('pify')
const createStaticServer = require('./create-static-server')
const { parsePort } = require('./lib/parse-port')
const fsStat = pify(fs.stat)
const DEFAULT_PORT = 9080
const onResponse = (request, response) => {
if (response.statusCode >= 400) {
console.log(chalk`{gray '-->'} {red ${response.statusCode}} ${request.url}`)
} else if (response.statusCode >= 200 && response.statusCode < 300) {
console.log(
chalk`{gray '-->'} {green ${response.statusCode}} ${request.url}`,
)
} else {
console.log(
chalk`{gray '-->'} {green.dim ${response.statusCode}} ${request.url}`,
)
}
}
const onRequest = (request, response) => {
console.log(chalk`{gray '<--'} {blue [${request.method}]} ${request.url}`)
response.on('finish', () => onResponse(request, response))
}
const startServer = ({ port, rootDirectory }) => {
const server = createStaticServer(rootDirectory)
server.on('request', onRequest)
server.listen(port, () => {
console.log(`Running at http://localhost:${port}`)
})
}
const parseDirectoryArgument = async (pathString) => {
const resolvedPath = path.resolve(pathString)
const directoryStats = await fsStat(resolvedPath)
if (!directoryStats.isDirectory()) {
throw new Error(`Invalid path '${pathString}'; must be a directory`)
}
return resolvedPath
}
const main = async () => {
const args = process.argv.slice(2)
const options = {
port: process.env.port || DEFAULT_PORT,
rootDirectory: path.resolve('.'),
}
while (args.length) {
if (/^(--port|-p)$/u.test(args[0])) {
if (args[1] === undefined) {
throw new Error('Missing port argument')
}
options.port = parsePort(args[1])
args.splice(0, 2)
} else {
options.rootDirectory = await parseDirectoryArgument(args[0])
args.splice(0, 1)
}
}
startServer(options)
}
main().catch((error) => {
console.error(error)
process.exit(1)
})