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https://github.com/transitive-bullshit/puppeteer-lottie-cli
CLI for rendering Lottie animations via Puppeteer to image, GIF, or MP4.
https://github.com/transitive-bullshit/puppeteer-lottie-cli
cli ffmpeg gifski lottie lottie-web puppeteer
Last synced: 4 days ago
JSON representation
CLI for rendering Lottie animations via Puppeteer to image, GIF, or MP4.
- Host: GitHub
- URL: https://github.com/transitive-bullshit/puppeteer-lottie-cli
- Owner: transitive-bullshit
- Created: 2019-05-10T13:07:00.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2023-08-04T17:49:17.000Z (about 1 year ago)
- Last Synced: 2024-10-23T06:07:05.927Z (12 days ago)
- Topics: cli, ffmpeg, gifski, lottie, lottie-web, puppeteer
- Language: JavaScript
- Size: 1020 KB
- Stars: 135
- Watchers: 3
- Forks: 20
- Open Issues: 26
-
Metadata Files:
- Readme: readme.md
Awesome Lists containing this project
- awesome-puppeteer - puppeteer-lottie-cli - CLI for this [puppeteer-lottie](https://github.com/transitive-bullshit/puppeteer-lottie). (Packages)
README
# puppeteer-lottie-cli
> CLI for rendering [Lottie](http://airbnb.io/lottie) animations via [Puppeteer](https://github.com/GoogleChrome/puppeteer) to **image**, **GIF** or **MP4**.
[](https://www.npmjs.com/package/puppeteer-lottie-cli) [](https://travis-ci.com/transitive-bullshit/puppeteer-lottie-cli) [](https://standardjs.com)
This CLI is also available as a [library](https://github.com/transitive-bullshit/puppeteer-lottie).
## Install
```bash
npm install -g puppeteer-lottie-cli
```
If you want to generate **GIFs**, you must also install [gifski](https://gif.ski/). On macOS, you can run:
```bash
brew install gifski
```
If you want to generate **MP4s**, you must also install [ffmpeg](https://ffmpeg.org/). On macOS, you can run:
```bash
brew install ffmpeg
```
## Usage
```bash
Usage: puppeteer-lottie [options]
Options:
-i, --input relative path to the JSON file containing animation data
-o, --output relative path to store output media (image, image pattern, gif, or mp4) (default: "out.png")
-w, --width optional output width
-h, --height optional output height
-b, --background
optional output background color (default: "transparent")
-q, --quiet disable output progress
-V, --version output the version number
-h, --help output usage information
Output must one of the following:
- An image to capture the first frame only (png or jpg)
- an image pattern (eg. sprintf format 'frame-%d.png' or 'frame-%012d.jpg')
- an mp4 video file (requires FFmpeg to be installed)
- a GIF file (requires Gifski to be installed)
```
```bash
Examples:
$ puppeteer-lottie -i fixtures/bodymovin.json -o out.mp4
$ puppeteer-lottie -i fixtures/bodymovin.json -o out.gif --width 640
$ puppeteer-lottie -i fixtures/bodymovin.json -o 'frame-%d.png' --width 1024 --height 1024
```
#### Output Size
If you don't pass `width` or `height`, the animation's intrinsic size will be used, and if that doesn't exist it will use 640x480.
If you pass `width` or `height`, the other dimension will be inferred by maintaining the original animation's aspect ratio.
If both `width` and `height` are passed, the output will have those dimensions, but there will be extra whitespace (or transparency if rendering PNGs) due to `lottie-web`'s default `rendererSettings.preserveAspectRatio` of `xMidyMid meet` ([docs](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio) and [demo](https://codepen.io/giodif/pen/VYpaeo)).
For `mp4` outputs, the height may be different by a pixel due to the `x264` encoder requiring even heights.
## Compatibility
All [lottie-web](https://github.com/airbnb/lottie-web) features should be fully supported by the `svg`, `canvas`, and `html` renderers.
This includes all of the animations on [lottiefiles.com](https://lottiefiles.com/)! 🔥
Also see Lottie's full list of [supported features](https://airbnb.io/lottie/#/supported-features).
## Related
- [puppeteer-lottie](https://github.com/transitive-bullshit/puppeteer-lottie) - Library for this CLI.
- [puppeteer](https://github.com/GoogleChrome/puppeteer) - Headless Chrome Node API.
- [awesome-puppeteer](https://github.com/transitive-bullshit/awesome-puppeteer) - Curated list of awesome puppeteer resources.
- [lottie](http://airbnb.io/lottie) - Render After Effects animations natively on Web, Android and iOS, and React Native.
## License
MIT © [Travis Fischer](https://transitivebullsh.it)
Support my OSS work by following me on twitter 