gendiff

This is the second project from Hexlet Frontend Program.

Demonstration of gendiff on Replit

Difference generator:

This utility compares two files and generates their difference. Structures can be deep.

Supports .json, .yaml or .ini as inputs.

Can output in:

• stylish - readable united structure that marks changes with + and - signs (this is default option),
• plain - description of properties that were added, removed or updated,
• json - string with json formatting.

Examples (asciinema):

1. compare flat json files

Watch this recording at asciinema

2. compare flat yaml files

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3. compare flat ini files

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4. output to stylish

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5. output to plain

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6. output to json

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Installing:

1. Clone this repository to your filesystem:

git clone https://github.com/dpetruk/frontend-project-lvl2.git

2. Go to directory frontend-project-lvl2 and create links:

npm link

Running as CLI-app:

gendiff <filename1> <filename2>

Options:

-f, --format - specify output format (stylish - default, plain or json).

-h, --help - get help.

Using as library:

import genDiff from 'gendiff';

// outputFormat can be 'stylish', 'plain' or 'json'. Default option is 'stylish'.
const diff = genDiff(filepath1, filepath2, outputFormat);

console.log(diff);