10 Mixins SASS tuyệt vời (SCSS) | CodeWebDao.Com

1. Box

@mixin box($width, $height: $width) {
  width: $width;
  height: $height;
}

/* ===== Usage ===== */
div {
  // You can pass width && height
  @include box(200px, 300px);
  /* or just pass width and the height
     will default to the width value */
  @include box(200px);
}

@mixin flex-column {
  display: flex;
  flex-direction: column;
}

@mixin flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

@mixin flex-center-column {
  @include flex-center;
  flex-direction: column;
}

@mixin flex-center-vert {
  display: flex;
  align-items: center;
}

@mixin flex-center-horiz {
  display: flex;
  justify-content: center;
}

3. Font Size

@mixin font-size($font-size, $line-height: normal, $letter-spacing: normal) {
  font-size: $font-size * 1px;
  // font-size: $font-size * 0.1rem; 
  // example using rem values and 62.5% font-size so 1rem = 10px

  @if $line-height==normal {
    line-height: normal;
  } @else {
    line-height: $line-height / $font-size;
  }

  @if $letter-spacing==normal {
    letter-spacing: normal;
  } @else {
    letter-spacing: #{$letter-spacing / $font-size}em;
  }
}

/* ===== Usage ===== */
p {
  @include font-size(12, 18, 1.2);
  // returns
  font-size: 12px;
  line-height: 1.5; // 18 / 12
  letter-spacing: 0.1em;
}

4. Font Face

@mixin font-face($font-name, $path, $weight: normal, $style: normal) {
  @font-face {
    font-family: quote($font-name);
    src: url($path+".eot");
    src: url($path+".eot?#iefix") format("embedded-opentype"), url($path+".woff")
        format("woff"), url($path+".ttf") format("truetype"), url($path+".svg##{$font-name}")
        format("svg");
    font-weight: $weight;
    font-style: $style;
  }
}

/* ===== Usage ===== */
@include font-face(Roboto, "./assets/Roboto", normal, normal);

5. Cover Background

@mixin cover-background {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

/* ===== Usage ===== */
div {
  background-image: url("cute-doggo.png");
  @include cover-background;
}

6. Pseudo

@mixin pseudo(
  $width: 100%,
  $height: 100%,
  $display: inline-block,
  $pos: absolute,
  $content: ""
) {
  content: $content;
  display: $display;
  position: $pos;
  @include box($width, $height);
}

/* ===== Usage ===== */
div {
  position: relative;
  width: 200px;
  height: 200px;

  &:after {
    @include pseudo(100px, 100px);
  }
}

$tablet: 768;
$large: 1024;
$desktop: 1280;

@mixin tablet {
  @media only screen and (min-width: $tablet * 1px) {
    @content;
  }
}

@mixin large {
  @media only screen and (min-width: $large * 1px) {
    @content;
  }
}

@mixin desktop {
  @media only screen and (min-width: $desktop * 1px) {
    @content;
  }
}

/* ===== Usage ===== */
h1 {
  font-size: 10px;

  @include tablet {
    font-size: 12px;
  }

  @include desktop {
    font-size: 20px;
  }
}

8. z-index handling

$elements: landing, header, modal, very-important-modal;

@mixin z-index($id) {
  z-index: index($elements, $id);
}

9. Visibility

@mixin fade($type) {
  @if $type== "hide" {
    visibility: hidden;
    opacity: 0;
    transition: visibility 1s, opacity 1s;
  } @else if $type== "show" {
    visibility: visible;
    opacity: 1;
    transition: visibility 1s, opacity 1s;
  }
}

10. Background Transition

@mixin skew-background-transition($initial, $hover, $inverted: false) {
  background: linear-gradient(
    90deg,
    $hover 0%,
    $hover 50%,
    $initial 50%,
    $initial 100%
  );
  background-repeat: no-repeat;
  background-size: 200% 100%;

  background-position: right bottom;
  @if $inverted {
    background-position: left bottom;
  }
  transition: background-position 0.25s ease-out;

  &:hover {
    background-position: left bottom;
    @if $inverted {
      background-position: right bottom;
    }
  }
}

Hi vong bài viết này sẽ giúp ích 1 phần nào đó trong dự án các bạn xử dụng mixins . Cảm ơn vì đã đọc !