sass-helpers

WIP

A library of helpers and mixins for helping with building responsive stylesheets.

Breakpoints

add-breakpoint

Defines a breakpoint to be called using the breakpoint mixin at a later point.

Argument	Type	Optional	Example
$name	string	false	`mobile`
$dimensions	string	false	`768px 1024px`

Usage

$mobile: 420px;
$tablet: 768px;
$tablet-landscape: 1024px;
$desktop: 1366px;
$desktop-large: 1560px;

@include add-breakpoint('mobile', 0px $mobile);
@include add-breakpoint('mobile-large', $mobile $tablet);
@include add-breakpoint('tablet', $tablet $tablet-landscape);
@include add-breakpoint('tablet-landscape', $tablet-landscape $desktop);
@include add-breakpoint('desktop', $desktop $desktop-large);
@include add-breakpoint('desktop-large', $desktop-large 99999px);

breakpoint

Generates a breakpoint and wraps your rule declaration or properties with it.

Argument	Type	Optional	Example
$name	string	false	`mobile`
$direction	string	false	`up`

Usage

@include breakpoint(tablet, down) {
  .cls {
    background: red;
  }
}

.cls-2 {
  @include breakpoint(tablet, up) {
    color: green;
  }
  
  @include breakpoint(tablet, below) {
    color: purple;
  }
}

@include breakpoint(tablet-portrait, above) {
  .cls-3 {
    text-decoration: underline;
  }
}

will render:

@media (max-width: 1023px) {
  .cls {
    background: red;
  }
}

@media (min-width: 768px) {
  .cls-2 {
    color: green;
  }
}

@media (max-width: 767px) {
  .cls-2 {
    color: purple;
  }
}

@media (min-width: 1367px) {
  .cls-3 {
    text-decoration: underline;
  }
}

Fluid Properties

These helpers will output calculations and clamping breakpoints to blend a CSS property between two defined points, and two clamping positions.

fluid-property

Argument	Type	Optional	Default	Example
$property	string	false	n/a	`margin-top`
$min	string	false	n/a	`10px`
$max	string	false	n/a	`20px`
$clip-low	string	true	`420px`	`768px`
$clip-high	string	true	`1366px`	`1024x`
$clip	boolean	true	`true`	`false`
$clip-at-start	boolean	true	`true`	`true`
$clip-at-end	boolean	true	`true`	`true`
$viewport-direction	string	true	`horizontal`	`vertical`

Usage

.cls {
  @include fluid-property(margin-top, 10px, 20px);
  @include fluid-property(padding-bottom, 5px, 20px, $clip-high: 800px, $clip-at-start: false, $viewport-direction: 'vertical');
}

will render:

.cls {
  margin-top: calc(10px + 10 * ((100vw - 420px) / 946));
  padding-bottom: calc(5px + 15 * ((100vh - 420px) / 380));
}

@media (max-width: 420px) {
  .cls {
    margin-top: 10px; 
  }
}

@media (min-width: 1366px) {
  .cls {
    margin-top: 20px;
  }
}

@media (min-height: 800px) {
  .cls {
    padding-bottom: 20px; 
  } 
}

fluid-font-size

Will output fluid font sizes based on a modular scale system, driven by your base font size. This system works by providing an upper and a lower ratio and a multiplier for your font size.

fluid-font-size helper arguments

Argument	Type	Optional	Default	Example
$low-multiplier	number	false	n/a	`1.5`
$high-multiplier	number	true	`$low-miltiplier`	`2`
$clip-low	string	true	`420px`	`768px`
$clip-high	string	true	`1366px`	`1024x`
$modular-scale-small	number	true	`$major-second`	`1.125`
$modular-scale-large	number	true	`$perfect-fourth`	`1.333`
$clip	boolean	true	`true`	`false`
$clip-at-start	boolean	true	`true`	`true`
$clip-at-end	boolean	true	`true`	`true`
$output-px	boolean	true	`false`	`true`

Example

h1 {
	@include fluid-font-size(4);
}
h2 {
	@include fluid-font-size(3);
}
h3 {
	@include fluid-font-size(2);
}
h4 {
	@include fluid-font-size(1);
}
h5 {
	@include fluid-font-size(0);
}
h6 {
	@include fluid-font-size(-1);
}

will create a fluid property that blends between the two sizes:

(With a base font size of 16px and default modular scale settings (1.125, 1.333)

Multiplier	Font Size Small	Font Size Large
0	1rem (16px)	1rem (16px)
1	1.125rem (18px)	1.333rem (21.3px)
2	1.265625rem (20.3px)	2.368593037rem (28.4px)
3	1.423828125rem (22.8px)	3.1573345183rem (37.9px)
4	1.6018066406rem (25.6px)	4.2087269129rem (50.5px)
-1	0.8888888889rem (14.2px)	0.8888888889rem (12px)

Demo example - resize browser window to see in effect

modular-scale

The modular scale helper is used by the fluid-font-size helper to generate font size based of your base font size, a supplied multiplier, and a modular scale ratio.

Argument	Type	Optional	Default	Example
$scale	number	false	n/a	`1.125`
$amount	number	false	n/a	`2`
$size	string	true	1rem (16px)	`1rem`

get-unit

Will return the unit for a value.

Argument	Type	Example
$measurement	string	`24px`

Example

$unit: @get-unit(2em); // => em

Margins

Will generate fluid margins.

Available helpers

margin
margin-horizontal
margin-vertical
margin-top
margin-bottom
margin-right
margin-left

Argument	Type	Optional	Default	Example
$small	string	true	`15px`	`10px`
$large	string	true	`30px`	`20px`
$vertical (not on margin-horizontal, margin-left, and margin-right)	boolean	false	`true`	`false`
$narrow (will half $small and $large)	boolean	true	`false`	`true`
$clip-low	string	true	`420px`	`768px`
$clip-high	string	true	`1366px`	`1024x`
$clip-low-vertical (not on margin-horizontal, margin-left, and margin-right)	string	true	`600px`	`768px`
$clip-high-vertical (not on margin-horizontal, margin-left, and margin-right)	string	true	`1200px`	`1024x`
$clip	boolean	true	`true`	`false`
$clip-at-start	boolean	true	`true`	`true`
$clip-at-end	boolean	true	`true`	`true`

Usage

.my-cls {
  @include margin-horizontal($narrow: true);
}

.my-cls-2 {
  @include margin-top(10px, 20px, $vertical: true);
}

will render:

.my-cls {
  margin-left: calc(7.5px + 7.5 * ((100vw - 420px) / 946));
  margin-right: calc(7.5px + 7.5 * ((100vw - 420px) / 946));
}

.my-cls-2 {
  margin-top: calc(10px + 10 * ((100vh - 420px) / 946));
}

@media (min-width: 1366px) {
    .my-cls {
      margin-left: 15px;
    }
    
    .my-cls {
      margin-right: 15px;
    }
}

@media (max-width: 420px) {
    .my-cls {
      margin-left: 7.5px;
    }
    
    .my-cls {
      margin-right: 7.5px;
    }
}

@media (max-height: 420px) {
    .my-cls-2 {
      margin-top: 10px;
    }
}

@media (min-height: 1366px) {
    .my-cls-2 {
      margin-top: 20px;
    }
}

Paddings

Will generate fluid paddings.

Available helpers

padding
padding-horizontal
padding-vertical
padding-top
padding-bottom
padding-right
padding-left

Argument	Type	Optional	Default	Example
$small	string	true	`15px`	`10px`
$large	string	true	`30px`	`20px`
$vertical (not on padding-horizontal, padding-left, and padding-right)	boolean	false	`true`	`false`
$narrow (will half $small and $large)	boolean	true	`false`	`true`
$clip-low	string	true	`420px`	`768px`
$clip-high	string	true	`1366px`	`1024x`
$clip-low-vertical (not on padding-horizontal, padding-left, and padding-right)	string	true	`600px`	`768px`
$clip-high-vertical (not on padding-horizontal, padding-left, and padding-right)	string	true	`1200px`	`1024x`
$clip	boolean	true	`true`	`false`
$clip-at-start	boolean	true	`true`	`true`
$clip-at-end	boolean	true	`true`	`true`

Usage

.my-cls {
  @include padding-horizontal($narrow: true);
}

.my-cls-2 {
  @include padding-top(10px, 20px, $vertical: true);
}

will render:

.my-cls {
  padding-left: calc(7.5px + 7.5 * ((100vw - 420px) / 946));
  padding-right: calc(7.5px + 7.5 * ((100vw - 420px) / 946));
}

.my-cls-2 {
  padding-top: calc(10px + 10 * ((100vh - 420px) / 946));
}

@media (min-width: 1366px) {
    .my-cls {
      padding-left: 15px;
    }
    
    .my-cls {
      padding-right: 15px;
    }
}

@media (max-width: 420px) {
    .my-cls {
      padding-left: 7.5px;
    }
    
    .my-cls {
      padding-right: 7.5px;
    }
}

@media (max-height: 420px) {
    .my-cls-2 {
      padding-top: 10px;
    }
}

@media (min-height: 1366px) {
    .my-cls-2 {
      padding-top: 20px;
    }
}

px-to-rem

Will convert px values to rem based on your base font size

Argument	Type	Example
$size	string	`24px`

Example

.my-cls {
  font-size: @px-to-rem(24px);
}

will render:

.my-cls {
    font-size: 1.5rem;
}

rem-to-px

Will convert rem values to px based on your base font size

Argument	Type	Example
$size	string	`1.8rem`

Example

.my-cls {
  font-size: @rem-to-px(1.8rem);
}

will render:

.my-cls {
    font-size: 28.8px;
}

remove-unit

Will remove units from values leaving you with only the number

Argument	Type	Example
$measurement	string	`24px`

Example

$font-size-no-unit: @remove-unit(24px); // => 24

str-replace

Will replace matches in a string

Argument	Type	Optional	Default	Example
$string	string	false	n/a	`40rem`
$search	string	false	n/a	`rem`
$replace	string	true	Empty string	`px`

Example

$replaced-string: @str-replace('40rem', 'rem', 'px'); // => 40px;

Default Settings

A lot of the helpers rely on default settings which you can override yourself if you wish.

Breakpoint defaults

$mobile: 420px !default;
$tablet: 768px !default;
$tablet-landscape: 1024px !default;
$desktop: 1366px !default;
$desktop-large: 1560px !default;

Fluid property defaults

$default-fluid-property-clip-low: $mobile !default;
$default-fluid-property-clip-high: $desktop !default;
$default-fluid-property-clip-low-vertical: 600px !default;
$default-fluid-property-clip-high-vertical: 1200px !default;

Typography defaults

Base font size

$base-font-size: 16px !default;
// This must be a rem unit
$font-size: 1rem !default;

Other typography defauls

$modular-scale-small: $major-second !default;
$modular-scale-large: $perfect-fourth !default;
$output-fonts-px: false !default;

Padding / margin defaults

Padding defaults also apply to margins.

$collapse-padding-large: 30px !default;
$collapse-padding-small: 15px !default;

$vertical-padding-margin-based-off-vh: false !default;

Included variables

There are also some variables available for use (can be found in the base folder).

Ratios

$minor-second: 1.067;
$major-second: 1.125;
$minor-third: 1.2;
$major-third: 1.25;
$perfect-fourth: 1.333;
$augmented-fourth: 1.411;
$perfect-fifth: 1.5;
$golden-ratio: 1.681;

Easings

See http://easings.net/ for visual representations

$ease-in-sine: cubic-bezier(0.47, 0, 0.745, 0.715);
$ease-out-sine: cubic-bezier(0.39, 0.575, 0.565, 1);
$ease-in-out-sine: cubic-bezier(0.445, 0.05, 0.55, 0.95);
$ease-in-quad: cubic-bezier(0.55, 0.085, 0.68, 0.53);
$ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
$ease-in-out-quad: cubic-bezier(0.455, 0.03, 0.515, 0.955);
$ease-in-cubic: cubic-bezier(0.55, 0.055, 0.675, 0.19);
$ease-out-cubic: cubic-bezier(0.215, 0.61, 0.355, 1);
$ease-in-out-cubic: cubic-bezier(0.645, 0.045, 0.355, 1);
$ease-in-quart: cubic-bezier(0.895, 0.03, 0.685, 0.22);
$ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
$ease-in-out-quart: cubic-bezier(0.77, 0, 0.175, 1);
$ease-in-quint: cubic-bezier(0.755, 0.05, 0.855, 0.06);
$ease-in-out-quint: cubic-bezier(0.86, 0, 0.07, 1);
$ease-in-expo: cubic-bezier(0.95, 0.05, 0.795, 0.035);
$ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
$ease-in-out-expo: cubic-bezier(1, 0, 0, 1);
$ease-in-circ: cubic-bezier(0.6, 0.04, 0.98, 0.335);
$ease-out-circ: cubic-bezier(0.075, 0.82, 0.165, 1);
$ease-in-out-circ: cubic-bezier(0.785, 0.135, 0.15, 0.86);
$ease-in-back: cubic-bezier(0.6, -0.28, 0.735, 0.045);
$ease-out-back: cubic-bezier(0.175, 0.885, 0.32, 1.275);
$ease-in-out-back: cubic-bezier(0.68, -0.55, 0.265, 1.55);

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sass-helpers

Breakpoints

add-breakpoint

Usage

breakpoint

Usage

will render:

Fluid Properties

fluid-property

Usage

will render:

fluid-font-size

fluid-font-size helper arguments

Example

will create a fluid property that blends between the two sizes:

modular-scale

get-unit

Example

Margins

Available helpers

Usage

will render:

Paddings

Available helpers

Usage

will render:

px-to-rem

Example

will render:

rem-to-px

Example

will render:

remove-unit

Example

str-replace

Example

Default Settings

Breakpoint defaults

Fluid property defaults

Typography defaults

Base font size

Other typography defauls

Padding / margin defaults

Included variables

Ratios

Easings

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