Kdiff

Module for comparing two txt files using longest common subsequence

basic setup

npm install
npm run build

test command

npm run test

cli command (run at root directory)

node ./lib/cli.js [file1 path] [file2 path]
or
npm run cli-test

cli return value format & sample

``
[file1 line#] [diff type] [file2 line#]
< (mark for delete line) [line content]
> (mark for add line) [line content]

1d0
< a
3,5c2
< c
< d
< e
---
> c
`

library return value format


`
Diff {
deleted: {
[line1]: [text string1],
[line2]: [text string2],
[line3]: [text string3],
...
},
added: {
[line1]: [text string1],
[line2]: [text string2],
[line3]: [text string3],
...
}
}
`

Available as an npm module

how to setup on your project

npm install kdiff

basic implementation

$3

`js
const {diff} = require('kdiff');

var result = diff('[file1 path]', '[file2path]');
console.log(result);
console.log(result.deleted);
console.log(result.added);
`

$3

node index.js

$3

`
Diff {
deleted: { '1': 'a', '3': 'c', '5': 'e' },
added: { '3': 'e', '4': 'f' }
}
{ '1': 'a', '3': 'c', '5': 'e' }
{ '3': 'e', '4': 'f' }
``