| 1 | @charset "UTF-8"; |
| 2 | |
| 3 | /// Generates a triangle pointing in a specified direction. |
| 4 | /// |
| 5 | /// @argument {string} $direction |
| 6 | /// The direction the triangle should point. Accepts `up`, `up-right`, |
| 7 | /// `right`, `down-right`, `down`, `down-left`, `left` or `up-left`. |
| 8 | /// |
| 9 | /// @argument {number (with unit)} $width |
| 10 | /// Width of the triangle. |
| 11 | /// |
| 12 | /// @argument {number (with unit)} $height |
| 13 | /// Height of the triangle. |
| 14 | /// |
| 15 | /// @argument {color} $color |
| 16 | /// Color of the triangle. |
| 17 | /// |
| 18 | /// @example scss |
| 19 | /// .element { |
| 20 | /// &::before { |
| 21 | /// @include triangle("up", 2rem, 1rem, #b25c9c); |
| 22 | /// content: ""; |
| 23 | /// } |
| 24 | /// } |
| 25 | /// |
| 26 | /// // CSS Output |
| 27 | /// .element::before { |
| 28 | /// border-style: solid; |
| 29 | /// height: 0; |
| 30 | /// width: 0; |
| 31 | /// border-color: transparent transparent #b25c9c; |
| 32 | /// border-width: 0 1rem 1rem; |
| 33 | /// content: ""; |
| 34 | /// } |
| 35 | |
| 36 | @mixin triangle( |
| 37 | $direction, |
| 38 | $width, |
| 39 | $height, |
| 40 | $color |
| 41 | ) { |
| 42 | @if not index( |
| 43 | "up" "up-right" "right" "down-right" "down" "down-left" "left" "up-left", |
| 44 | $direction |
| 45 | ) { |
| 46 | @error "Direction must be `up`, `up-right`, `right`, `down-right`, " + |
| 47 | "`down`, `down-left`, `left` or `up-left`."; |
| 48 | } @else if not _is-color($color) { |
| 49 | @error "`#{$color}` is not a valid color for the `$color` argument in " + |
| 50 | "the `triangle` mixin."; |
| 51 | } @else { |
| 52 | border-style: solid; |
| 53 | height: 0; |
| 54 | width: 0; |
| 55 | |
| 56 | @if $direction == "up" { |
| 57 | border-color: transparent transparent $color; |
| 58 | border-width: 0 ($width / 2) $height; |
| 59 | } @else if $direction == "up-right" { |
| 60 | border-color: transparent $color transparent transparent; |
| 61 | border-width: 0 $width $width 0; |
| 62 | } @else if $direction == "right" { |
| 63 | border-color: transparent transparent transparent $color; |
| 64 | border-width: ($height / 2) 0 ($height / 2) $width; |
| 65 | } @else if $direction == "down-right" { |
| 66 | border-color: transparent transparent $color; |
| 67 | border-width: 0 0 $width $width; |
| 68 | } @else if $direction == "down" { |
| 69 | border-color: $color transparent transparent; |
| 70 | border-width: $height ($width / 2) 0; |
| 71 | } @else if $direction == "down-left" { |
| 72 | border-color: transparent transparent transparent $color; |
| 73 | border-width: $width 0 0 $width; |
| 74 | } @else if $direction == "left" { |
| 75 | border-color: transparent $color transparent transparent; |
| 76 | border-width: ($height / 2) $width ($height / 2) 0; |
| 77 | } @else if $direction == "up-left" { |
| 78 | border-color: $color transparent transparent; |
| 79 | border-width: $width $width 0 0; |
| 80 | } |
| 81 | } |
| 82 | } |