Difference Generator

Description

Compares two configuration files and shows the difference. Supported formats: json, yaml, ini.

Installation

$ npm install cli-g31

Usage

$ gendiff --help

  Usage: gendiff [options] <firstConfig> <secondConfig>

  Compares two configuration files and shows the difference.

  Options:

    -V, --version        output the version number
    -f, --format [type]  output format (default: "text")
    -h, --help           output usage information

Example

before.json

{
  "key1": "was not changed",
  "key2": "to be removed",
  "key3": "was not changed",
  "nested": {
    "innerKey1": "to be removed"
  }
}

after.json

{
  "key1": "was changed",
  "key3": "was not changed",
  "key4": "was added",
  "nested": {
    "innerKey2": "was added"
  }
}

$ gendiff before.json after.json

{
  + key1: was changed
  - key1: was not changed
  - key2: to be removed
    key3: was not changed
    nested: {
      - innerKey1: to be removed
      + innerKey2: was added
    }
  + key4: was added
}

$ gendiff -f plain before.json after.json

Property 'key1' was updated. From 'was not changed' to 'was changed'
Property 'key2' was removed
Property 'nested.innerKey1' was removed
Property 'nested.innerKey2' was added with value: 'was added'
Property 'key4' was added with value: 'was added'

$ gendiff -f json before.json after.json

[{"key":"key1","type":"changed","valueBefore":"was not changed","valueAfter":"was changed"},{"key":"key2","type":"removed","value":"to be removed"},{"key":"key3","type":"common","value":"was not changed"},{"key":"nested","type":"nested","children":[{"key":"innerKey1","type":"removed","value":"to be removed"},{"key":"innerKey2","type":"added","value":"was added"}]},{"key":"key4","type":"added","value":"was added"}]