Add pm2 scenario.

.gitignore

@@ -5,6 +5,7 @@
 .DS_Store
 .node_repl_history
 .nyc_output
+.pm2
 .vscode
 package-lock.json
 /build

package.json

@@ -55,6 +55,7 @@
     "optimize-js-plugin": "0.0.4",
     "optional-dev-dependency": "^2.0.1",
     "pify": "^3.0.0",
+    "pm2": "^2.8.0",
     "semver": "^5.4.1",
     "trash": "^4.1.0",
     "typescript": "^2.6.1",

test/fixture/scenario/babel-register/.babelrc → test/fixture/scenario/babel-register-pm2/.babelrc

@@ -1,6 +1,8 @@
 {
   "plugins": [
-    "@babel/proposal-class-properties"
+    ["@babel/proposal-class-properties", {
+      "loose": true
+    }]
   ],
   "presets": [
     ["@babel/env", {

test/fixture/scenario/babel-register/index.js → test/fixture/scenario/babel-register-pm2/index.js

@@ -2,4 +2,4 @@
 
 require = require("../../../../")(module, true)
 require("@babel/register")
-module.exports = require("./main").default
+console.log(require("./index.mjs").default)

test/scenario-tests.mjs

@@ -2,6 +2,7 @@ import assert from "assert"
 import execa from "execa"
 import path from "path"
 import require from "./require.js"
+import trash from "trash"
 
 const pkgPath = require.resolve("../")
 const testPath = path.dirname(require.resolve("./tests.mjs"))
@@ -15,9 +16,35 @@ function exec(filePath, args) {
 describe("scenarios", function () {
   this.timeout(0)
 
-  it("should work with @babel/register", () =>
-    exec(process.execPath, ["./scenario/babel-register.js"])
-  )
+  it("should work with @babel/register and pm2", () => {
+    const dirPath = path.resolve(testPath, "fixture/scenario/babel-register-pm2")
+    const indexPath = path.resolve(dirPath, "index.js")
+    const logPath = path.resolve(testPath, "env/home/.pm2/logs")
+    const errorPath = path.resolve(logPath, "babel-register-pm2-error-0.log")
+    const outPath = path.resolve(logPath, "babel-register-pm2-out-0.log")
+
+    const nodeArgs = ["-r", pkgPath, "-r", "@babel/register"]
+    const pm2Args = [
+      "start",
+      "--no-autorestart",
+      "--name", "babel-register-pm2",
+      "--node-args", nodeArgs.join(" "),
+      indexPath
+    ]
+
+    return Promise.resolve()
+      .then(() => trash([logPath]))
+      .then(() => exec("pm2", ["kill"]))
+      .then(() => exec("pm2", pm2Args))
+      .then(() => new Promise((resolve) => setTimeout(resolve, 1000)))
+      .then(() => {
+        const errorLog = fs.readFileSync(errorPath, "utf8")
+        const outLog = fs.readFileSync(outPath, "utf8")
+
+        assert.strictEqual(errorLog.trim(), "")
+        assert.strictEqual(outLog.trim(), "{ [Function: Class] a: 'a' }")
+      })
+  })
 
   it("should work with ava, nyc, and tsc", () => {
     const dirPath = path.resolve(testPath, "fixture/scenario/ava-nyc-tsc")