This Node.js script compares an original JSON file with an updated JSON file and generates a delta JSON file containing only the new and changed objects from the updated file. It ignores removed objects from the original file.
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Prerequisites: Ensure you have Node.js installed on your system.
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Save the Script: Save the provided
generateDeltaJSON.jsscript to your desired directory. -
Run the Script: Use the following command in your terminal, replacing the placeholders with your actual file paths:
node generateDeltaJSON.js path/to/original.json path/to/updated.json path/to/delta.json
<original.json>: Path to the original JSON file.<updated.json>: Path to the updated JSON file.<delta.json>: Path to the output delta JSON file.
node generateDeltaJSON.js data/original.json data/updated.json data/delta.jsonThis command will compare data/original.json with data/updated.json and create data/delta.json containing the differences.