diff2html-cli
Diff to Html generates pretty HTML diffs from unified and git diff output in your terminal
Table of Contents
Features
-
Unified diff and Git diff input
-
line-by-line
and side-by-side
diff
-
new and old line numbers
-
inserted and removed lines
-
GitHub like style
-
Code syntax highlight
-
Line similarity matching
Online Example
Go to Diff2HTML
Distributions
Setup
npm install -g diff2html-cli
Usage
Usage: diff2html [ flags and/or options ] -- [git diff passthrough flags and options]
flag | alias | description | choices | default |
---|
-s | --style | Output style | line , side | line |
--fct | --fileContentToggle | Adds a viewed checkbox to toggle file content | true , false | true |
--sc | --synchronisedScroll | Synchronised horizontal scroll | true , false | true |
--hc | --highlightCode | Highlight code | true , false | true |
--cs | --colorScheme | Color scheme | auto , dark , light | auto |
--su | --summary | Show files summary | closed , open , hidden | closed |
-d | --diffStyle | Diff style | word , char | word |
--lm | --matching | Diff line matching type | lines , words , none | none |
--lmt | --matchWordsThreshold | Diff line matching word threshold | | 0.25 |
--lmm | --matchingMaxComparisons | Diff line matching maximum line comparisons of a block of changes | | 2500 |
| --diffMaxChanges | Number of changed lines after which a file diff is deemed as too big and not displayed | | |
| --diffMaxLineLength | Number of characters in a diff line after which a file diff is deemed as too big and not displayed | | |
| --renderNothingWhenEmpty | Render nothing if the diff shows no change in its comparison | | false |
| --maxLineSizeInBlockForComparison | Maximum number of characters of the bigger line in a block to apply comparison | | 200 |
| --maxLineLengthHighlight | Maximum number of characters in a line to apply highlight | | 10000 |
--hwt | --htmlWrapperTemplate | Path to custom template to be rendered when using the html output format | [string] | |
-t | --title | Page title for html output | [string] | |
-f | --format | Output format | html , json | html |
-i | --input | Diff input source | file , command , stdin | command |
-o | --output | Output destination | preview , stdout | preview |
-u | --diffy | Upload to diffy.org | browser , pbcopy , print | |
-F | --file | Send output to file (overrides output option) | [string] | |
--ig | --ignore | Ignore particular files from the diff | [string] | |
-v | --version | Show version number | | |
-h | --help | Show help | | |
Exit Status Codes
- :tada: 0: Success
- :dizzy_face: 1: Generic Error
- :cold_sweat: 3: Input diff is empty
- :cop: 4: Value of
--hwt | --htmlWrapperTemplate
is not a valid file
Custom HTML wrapper template
The template is a very based on a simple replace of several placeholders as coded
https://github.com/rtfpessoa/diff2html-cli/blob/master/src/cli.ts#L40
To provide a custom template you need to make sure you have the following comments and imports in your HTML, exactly as
they are here:
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.9.0/styles/github.min.css" />
<script>
document.addEventListener('DOMContentLoaded', () => {
const targetElement = document.getElementById('diff');
const diff2htmlUi = new Diff2HtmlUI(targetElement);
});
</script>
<div id="diff">
</div>
Examples
diff2html -s line -f html -d word -i command -o preview -- -M HEAD~1
- diff last commit, line by line, word comparison between lines, previewed in the browser and input from git diff
command
diff2html -i file -- my-file-diff.diff
- reading the input from a file
diff -u file1.txt file2.txt | diff2html -i stdin
diff2html -f json -o stdout -- -M HEAD~1
- print json format to stdout
diff2html -F my-pretty-diff.html -- -M HEAD~1
diff2html -F my-pretty-diff.html --hwt my-custom-template.html -- -M HEAD~1
- print to file using custom markup templates can include the following variables
diff2html --ig package-lock.json --ig yarn.lock
- Ignore
package-lock.json
and yarn.lock
from the generated diff
NOTE: notice the --
in the examples
Contribute
This is a developer friendly project, all the contributions are welcome. To contribute just send a pull request with
your changes following the guidelines described in CONTRIBUTING.md
. I will try to review them as soon as possible.
Developing
Make some changes, yarn build
and then ./bin/diff2html
😉
License
Copyright 2014-present Rodrigo Fernandes. Released under the terms of the MIT license.
Thanks
This project is inspired in pretty-diff by
Scott González.