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backend/node_modules/pino/test/pkg/index.js

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+'use strict'
+
+const os = require('node:os')
+const { join } = require('node:path')
+const { readFile } = require('node:fs').promises
+const { watchFileCreated, file } = require('../helper')
+const { test } = require('tap')
+const pino = require('../../pino')
+
+const { pid } = process
+const hostname = os.hostname()
+
+/**
+ * This file is packaged using pkg in order to test if transport-stream.js works in that context
+ */
+
+test('pino.transport with worker destination overridden by bundler and mjs transport', async ({ same, teardown }) => {
+  globalThis.__bundlerPathsOverrides = {
+    'pino-worker': join(__dirname, '..', '..', 'lib/worker.js')
+  }
+
+  const destination = file()
+  const transport = pino.transport({
+    targets: [
+      {
+        target: join(__dirname, '..', 'fixtures', 'ts', 'to-file-transport.es2017.cjs'),
+        options: { destination }
+      }
+    ]
+  })
+
+  teardown(transport.end.bind(transport))
+  const instance = pino(transport)
+  instance.info('hello')
+  await watchFileCreated(destination)
+  const result = JSON.parse(await readFile(destination))
+  delete result.time
+  same(result, {
+    pid,
+    hostname,
+    level: 30,
+    msg: 'hello'
+  })
+
+  globalThis.__bundlerPathsOverrides = undefined
+})

backend/node_modules/pino/test/pkg/pkg.config.json

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+{
+    "pkg": {
+        "assets": [
+            "../../lib/worker.js",
+            "../../lib/transport-stream.js",
+            "../../test/fixtures/ts/to-file-transport.es2017.cjs",
+            "../../node_modules/pino-abstract-transport/index.js"
+        ],
+        "targets": [
+            "node18",
+            "node20",
+            "node22"
+        ],
+        "outputPath": "test/pkg"
+    }
+}

backend/node_modules/pino/test/pkg/pkg.test.js

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+'use strict'
+
+const { test } = require('tap')
+const config = require('./pkg.config.json')
+const { promisify } = require('node:util')
+const { unlink } = require('node:fs/promises')
+const { join } = require('node:path')
+const { platform } = require('node:process')
+const execFile = promisify(require('node:child_process').execFile)
+
+const skip = process.env.PNPM_CI || process.env.CITGM || process.arch === 'ppc64'
+
+/**
+ * The following regex is for tesintg the deprecation warning that is thrown by the `punycode` module.
+ * Exact text that it's matching is:
+ * (node:1234) [DEP0040] DeprecationWarning: The `punycode` module is deprecated.
+    Please use a userland alternative instead.
+
+    (Use `node --trace-deprecation ...` to show where the warning was created)
+ */
+const deprecationWarningRegex = /^\(\w+:\d+\)\s\[[\w|\d]+\]\sDeprecationWarning: The `punycode` module is deprecated\.\s+Please use a userland alternative instead\.\s+\(Use `node --trace-deprecation \.\.\.` to show where the warning was created\)\s+$/
+
+test('worker test when packaged into executable using pkg', { skip }, async (t) => {
+  const packageName = 'index'
+
+  // package the app into several node versions, check config for more info
+  const filePath = `${join(__dirname, packageName)}.js`
+  const configPath = join(__dirname, 'pkg.config.json')
+  const { stderr } = await execFile('npx', ['pkg', filePath, '--config', configPath], { shell: true })
+
+  // there should be no error when packaging
+  const expectedvalue = stderr === '' || deprecationWarningRegex.test(stderr)
+  t.ok(expectedvalue)
+
+  // pkg outputs files in the following format by default: {filename}-{node version}
+  for (const target of config.pkg.targets) {
+    // execute the packaged test
+    let executablePath = `${join(config.pkg.outputPath, packageName)}-${target}`
+
+    // when on windows, we need the .exe extension
+    if (platform === 'win32') {
+      executablePath = `${executablePath}.exe`
+    } else {
+      executablePath = `./${executablePath}`
+    }
+
+    const { stderr } = await execFile(executablePath)
+
+    // check if there were no errors
+    const expectedvalue = stderr === '' || deprecationWarningRegex.test(stderr)
+    t.ok(expectedvalue)
+
+    // clean up afterwards
+    await unlink(executablePath)
+  }
+
+  t.end()
+})