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58 lines
1.0 KiB
Markdown
58 lines
1.0 KiB
Markdown
# JavaScript Diff Parser
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Credit: [@eightballart](https://twitter.com/EightballArt/status/515195030546690048)
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Parse unified diffs with JavaScript
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## Installation
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what-the-diff is available via npm
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npm install what-the-diff
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## Usage
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```javascript
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let {parse} = require('what-the-diff')
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var str = `diff --git file.txt file.txt
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index 83db48f..bf269f4 100644
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--- file.txt
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+++ file.txt
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@@ -1,3 +1,3 @@
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line1
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-line2
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+new line
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line3`
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parse(diffStr)
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// returns
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{
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oldPath: 'file.txt',
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newPath: 'file.txt',
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oldMode: '100644',
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newMode: '100644',
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status: 'modified',
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hunks: [
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{
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oldStartLine: 1,
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oldLineCount: 3,
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newStartLine: 1,
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newLineCount: 3,
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lines: [
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' line1',
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'-line2',
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'+new line',
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' line3'
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]
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}
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]
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}
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```
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If the diff includes a similarity index line (from a detected copy or rename), the `similarity` property will be set, and will be a number.
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