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bootstrap-breakpointify

2.0.0 • Public • Published

bootstrap-breakpointify

Fight "class creep" by adding breakpoint suffixes to Bootstrap v4's utility classes.

For example, .m-a-1-gt-md:

  • applies Bootstrap's "size 1" margin to all sides (the m-a-1 Bootstrap class)
  • at Bootstrap breakpoints greater than medium (gt-md).

Purpose

As a web project grows – and particularly as new contributors begin making changes to CSS – it's common for simple utilities to be used and re-used in dozens of ways. Without using "breakpointified" utilities, each usage tends to add both to the project weight and to the difficulty of grokking the entirety of the project's CSS.

Especially when "one-use" classes are repeatedly developed (eg: when a website contains multiple very unique landing pages), many projects tend to grow a base of "write-only CSS" (becuase editing "old" CSS is tedious and requires good visual testing).

Using "breakpointified" utilities can help slow this "class creep" in your projects.

Install

bower install bootstrap-breakpointify

Note: this library must be @imported after bootstrap, as it requires Bootstrap's responsive breakpoint mixins.

@import '../bower_components/bootstrap/scss/bootstrap';
@import '../bower_components/bootstrap-breakpointify/all';

Usage

Breakpoint suffixes are appended to the end of the normal classes. See the bootstrap docs for more information. All suffixes begin with either gt ("greater than") or lt ("less than").

"Greater-than" suffixes

"Greater-than" suffixes apply the class at the following Bootstrap breakpoints.

suffix x-small small medium large x-large
gt-xs
gt-sm
gt-md
gt-lg

"Less-than" suffixes

"Less-than" suffixes apply the class at the following Bootstrap breakpoints.

suffix x-small small medium large x-large
lt-sm
lt-md
lt-lg
lt-xl

Available Prefixes

This library "breakpointifies" all of Bootstrap's utility clases.

Properties – First Character

  • m – margin
  • p - padding

Direction(s) – Second Character

  • t - top
  • r - right
  • b - bottom
  • l - left
  • x - x-axis (both left and right)
  • y - y-axis (both top and bottom)
  • a – all (all of the above: top, right, bottom, and left)

Size – Third Character

  • 0 – none
  • 1 – normal (the relevant Bootstrap $spacer value)
  • 2 – size 2 (the relevant Bootstrap "size 2" value – by default, $spacer * 1.5)
  • 3 – size 3 (the relevant Bootstrap "size 3" value – by default, $spacer * 3)

Examples

  • m-a-0-gt-lgmargin all size 0 greater than large – remove margin from all sides at breakpoints greater than Bootstrap's large (lg) breakpoint.
  • m-b-3-gt-mdmargin bottom size 3 greater than medium – apply "size 3" margin-bottom at breakpoints greater than Bootstrap's medium (md) breakpoint.
  • p-t-1-lt-mdpadding top size 1 less than medium – apply normal padding-top at breakpoints less than Bootstrap's medium (md) breakpoint.

What about unused CSS classes?

You could use UnCSS to programmatically remove unused CSS, but it's likely not worth the savings.

Browser rendering performance is not impacted by unused CSS classes, and this entire library adds the equivalent of a small icon to your page weight. Ensure your stylesheets are served with gzip compression for best optimization.

install

npm i bootstrap-breakpointify

Downloadsweekly downloads

3

version

2.0.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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