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Stream terminal output with ansi codes into nicely formatted HTML

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Stream terminal output with ansi codes into nicely formatted HTML

Imagine you have terminal output, let's say from a test runner. It looks like this

terminal output

You can pipe the output through term-to-html to create equivalent HTML file. Same output (HTML page was white background)

html

The output could be used to do visual testing against CLI output

Use

npm i -g term-to-html
mocha spec.js --reporter spec | term-to-html > mocha.html

Note: many applications detect non-interactive terminal and turn off colors. Usually you can enable colors using an environment variable, like FORCE_COLOR=2 in chalk library.

Dark theme

You can output HTML page with dark background using --theme dark CLI argument

<my program> | term-to-html --theme dark

Use as a module

const termToHtml = require('term-to-html')
const html = termToHtml.strings(stringWithAnsi, termToHtml.themes.dark.name)

Testing

There are E2E tests and you can observe the output by running

FORCE_COLOR=2 npx mocha spec.js --reporter spec | ./bin/term-to-html.js

Small print

Author: Gleb Bahmutov <gleb.bahmutov@gmail.com> © 2020

License: MIT - do anything with the code, but don't blame me if it does not work.

Support: if you find any problems with this module, email / tweet / open issue on Github

MIT License

Copyright (c) 2020 Gleb Bahmutov <gleb.bahmutov@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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