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README.md

HTML Beautifier

A normaliser/beautifier for HTML that also understands embedded Ruby. Ideal for tidying up Rails templates.

What it does

  • Normalises hard tabs to spaces (or vice versa)
  • Removes trailing spaces
  • Indents after opening HTML elements
  • Outdents before closing elements
  • Collapses multiple whitespace
  • Indents after block-opening embedded Ruby (if, do etc.)
  • Outdents before closing Ruby blocks
  • Outdents elsif and then indents again
  • Indents the left-hand margin of JavaScript and CSS blocks to match the indentation level of the code

Usage

From the command line

To update files in-place:

$ htmlbeautifier file1 [file2 ...]

or to operate on standard input and output:

$ htmlbeautifier < input > output

In your code

require 'htmlbeautifier'

beautiful = HtmlBeautifier.beautify(messy)

You can also specify how to indent (the default is two spaces):

beautiful = HtmlBeautifier.beautify(messy, indent: "\t")

Installation

This is a Ruby gem. To install the command-line tool (you may need sudo):

$ gem install htmlbeautifier

To use the gem with Bundler, add to your Gemfile:

gem 'htmlbeautifier'

Contributing

  1. Follow these guidelines when writing commit messages (briefly, the first line should begin with a capital letter, use the imperative mood, be no more than 50 characters, and not end with a period).
  2. Include tests.

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A normaliser/beautifier for HTML that also understands embedded Ruby. Ideal for tidying up Rails templates.

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