codepen-prefill

The live editor of CodePen is not stable for me most of the time due to the network (in China...), so I always write demos on my local machine first, then open CodePen afterwards and copy/paste into the editor.

This tool is for saving this process by doing the following steps:

1. Extract external or embedded scripts and styles from a local HTML file.
2. Open a new CodePen editor with default browser.
3. Prefill each HTML/JS/CSS section and external depencencies in the editor automatically.

The rest is to click the SAVE button.

Installation

$ npm install -g codepen-prefill

Example

$ codepen-prefill index.html

It can be used to preview a markdown file quickly on CodePen:

$ codepen-prefill README.md

Edit a JS file on CodePen:

$ codepen-prefill example.js

Using npx which is a package runner bundled in npm:

$ npx codepen-prefill index.html

Options

--keep-embedded, --embed

By default all the embedded scripts/styles in HTML will be put into JS/CSS sections seperatly, but they can stay with HTML using --keep-embedded or --embed option.

--data

Output the prefiled data instead of open CodePen.

References

https://blog.codepen.io/documentation/prefill

Usage

Usage:
  codepen-prefill <filename>

Options:
  --keep-embedded: Keep embedded styles/scripts inside html (alias: --embed)
  --data:          Output the prefilled data
  --help:          Display help info

Supported filename types by extension:
  htm, html, md, markdown, js, ts, css, less, sass, scss, styl