[aws-lambda-nodejs] when interrupting cdk commands (synth), package.json is left "dirty"

[vvo]

Hi there, when using aws-lambda-nodejs, one of the step of the program is to add some configuration for parcel inside the user package.json:

  "cdk-lambda": "/asset-output/index.js",
  "targets": {
    "cdk-lambda": {
      "context": "node",
      "includeNodeModules": {
        "aws-sdk": false
      },
      "sourceMap": false,
      "minify": false,
      "engines": {
        "node": ">= 12"
      }
    }
  }

I can see that when running cdk synth, my package.json gets updated and then the configuration is removed.

The issue is that if you interrupt cdk synth, for example if it is slow with CTRL+C in a terminal, and it has not yet finished what it needs to do, then your package.json is left dirty with all the parcel configuration still present in it.

I first thought it was some configuration that was needed to be here every time, and then understood it's only temporary configuration.

Reproduction Steps

• use aws-lambda-nodejs
• launch cdk synth
• stop it in the middle with ctrl + c

Error Log

no errors

Environment

• CLI Version : 1.5.1
• Framework Version: 1.5.1
• Node.js Version: 12.18.2
• OS : 10.15.5
• Language (Version): JavaScript

Other

n/a

---

This is 🐛 Bug Report

[eladb]

Copy @jogold - any way we can avoid writing package.json and perhaps reference a copy instead? It it possible to tell parcel to look for package.json elsewhere?

[jogold]

parcel-bundler/parcel#5023

[github-actions]

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