bigint-mod-arith/build/testing/browser/server.cjs

215 lines
6.5 KiB
JavaScript

'use strict'
const fs = require('fs')
const http = require('http')
const path = require('path')
const pkgJson = require('../../../package.json')
require('dotenv').config()
const rollup = require('rollup')
const resolve = require('@rollup/plugin-node-resolve').nodeResolve
const replace = require('@rollup/plugin-replace')
const typescriptPlugin = require('@rollup/plugin-typescript')
const commonjs = require('@rollup/plugin-commonjs')
const json = require('@rollup/plugin-json')
const multi = require('@rollup/plugin-multi-entry')
const runScript = require('../../run-script.cjs')
const rootDir = path.join(__dirname, '..', '..', '..')
const regex = /^(?:(?<scope>@.*?)\/)?(?<name>.*)/ // We are going to take only the package name part if there is a scope, e.g. @my-org/package-name
const { name } = pkgJson.name.match(regex).groups
const indexHtml = `<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>${name}</title>
<script src="/mocha.js"></script>
<script src="/chai.js"></script>
</head>
<body>
</body>
<div id="mocha"></div>
<script>
mocha.setup({
ui: 'bdd',
reporter: 'spec',
color: 'true',
timeout: 90000
})
</script>
<script type="module">
import './tests.js'
window._mocha = mocha.run()
</script>
</html>`
const tsBundleOptions = {
tsconfig: path.join(rootDir, 'tsconfig.json'),
outDir: undefined, // ignore outDir in tsconfig.json
sourceMap: false
// include: ['build/typings/is-browser.d.ts']
}
async function buildTests (testFiles) {
// create a bundle
const inputOptions = {
input: testFiles,
plugins: [
multi(),
replace({
'#pkg': `/${name}.esm.js`,
delimiters: ['', ''],
preventAssignment: true
}),
replace({
IS_BROWSER: true,
_MODULE_TYPE: "'ESM'",
preventAssignment: true
}),
typescriptPlugin(tsBundleOptions),
resolve({
browser: true,
exportConditions: ['browser', 'default'],
mainFields: ['browser', 'module', 'main']
}),
commonjs(),
json()
],
external: [`/${name}.esm.js`]
}
const bundle = await rollup.rollup(inputOptions)
const { output } = await bundle.generate({ format: 'es' })
await bundle.close()
let bundledCode = output[0].code
const replacements = _getEnvVarsReplacements(bundledCode)
for (const replacement in replacements) {
const regExp = new RegExp(replacement, 'g')
bundledCode = bundledCode.replace(regExp, replacements[replacement])
}
return bundledCode
}
class TestServer {
constructor () {
this.server = http.createServer()
}
async init (testFiles) {
/** Let us first check if the necessary files are built, and if not, build */
if (!fs.existsSync(pkgJson.exports['./esm-browser-bundle-nomin'])) {
await runScript(path.join(rootDir, 'node_modules', '.bin', 'rollup'), ['-c', 'build/rollup.config.js'])
}
const tests = await buildTests(testFiles)
this.server.on('request', function (req, res) {
if (req.url === `/${name}.esm.js`) {
fs.readFile(path.join(rootDir, pkgJson.exports['./esm-browser-bundle-nomin']), function (err, data) {
if (err) {
res.writeHead(404)
res.end(JSON.stringify(err))
return
}
res.writeHead(200, { 'Content-Type': 'text/javascript' })
res.end(data)
})
} else if (req.url === '/index.html' || req.url === '/') {
res.writeHead(200)
res.end(indexHtml)
} else if (req.url === '/tests.js') {
res.writeHead(200, { 'Content-Type': 'text/javascript' })
res.end(tests)
} else if (req.url === '/mocha.js') {
fs.readFile(path.join(rootDir, 'node_modules/mocha/mocha.js'), function (err, data) {
if (err) {
res.writeHead(404)
res.end(JSON.stringify(err))
return
}
res.writeHead(200, { 'Content-Type': 'text/javascript' })
res.end(data)
})
} else if (req.url === '/mocha.js.map') {
fs.readFile(path.join(rootDir, 'node_modules/mocha/mocha.js.map'), function (err, data) {
if (err) {
res.writeHead(404)
res.end(JSON.stringify(err))
return
}
res.writeHead(200, { 'Content-Type': 'text/javascript' })
res.end(data)
})
} else if (req.url === '/chai.js' || req.url === '/chai') {
fs.readFile(path.join(rootDir, 'node_modules/chai/chai.js'), function (err, data) {
if (err) {
res.writeHead(404)
res.end(JSON.stringify(err))
return
}
res.writeHead(200, { 'Content-Type': 'text/javascript' })
res.end(data)
})
} else if (req.url === '/favicon.ico') {
fs.readFile(path.join(__dirname, 'favicon.ico'), function (err, data) {
if (err) {
res.writeHead(404)
res.end(JSON.stringify(err))
return
}
res.writeHead(200, { 'Content-Type': 'application/ico' })
res.end(data)
})
} else {
res.writeHead(404)
res.end()
}
})
}
listen (port = 38080) {
return new Promise((resolve, reject) => {
this.server.listen(port, error => {
if (error) return reject(error)
console.log(`Testing server listenning at http://localhost:${port}`)
return resolve()
})
})
}
close () {
return new Promise((resolve, reject) => {
this.server.close(error => (error) ? reject(error) : resolve())
})
}
}
function _getEnvVarsReplacements (testsCode) {
const replacements = {}
const missingEnvVars = []
for (const match of testsCode.matchAll(/process\.env\.(\w+)/g)) {
const envVar = match[1]
if (process.env[envVar] !== undefined) {
replacements[match[0]] = '`' + process.env[envVar] + '`'
} else {
replacements[match[0]] = undefined
}
}
for (const match of testsCode.matchAll(/process\.env\[['"](\w+)['"]\]/g)) {
const envVar = match[1]
if (process.env[envVar] !== undefined) {
replacements[match[0]] = '`' + process.env[envVar] + '`'
} else {
replacements[match[0]] = undefined
}
}
if (missingEnvVars.length > 0) {
console.warn('The folloinwg environment variables are missing in your .env file and will be replaced with "undefined": ' + [...(new Set(missingEnvVars)).values()].join(', '))
}
return replacements
}
exports.server = new TestServer()