SVG path drawing animation

path drawing animation with pure css.

by Trina Lu

HTML

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Capa_1" x="0px" y="0px" viewBox="0 0 54 54" xml:space="preserve">
  <g>
    <path d="M51.22,21h-5.052c-0.812,0-1.481-0.447-1.792-1.197s-0.153-1.54,0.42-2.114l3.572-3.571   c0.525-0.525,0.814-1.224,0.814-1.966c0-0.743-0.289-1.441-0.814-1.967l-4.553-4.553c-1.05-1.05-2.881-1.052-3.933,0l-3.571,3.571   c-0.574,0.573-1.366,0.733-2.114,0.421C33.447,9.313,33,8.644,33,7.832V2.78C33,1.247,31.753,0,30.22,0H23.78   C22.247,0,21,1.247,21,2.78v5.052c0,0.812-0.447,1.481-1.197,1.792c-0.748,0.313-1.54,0.152-2.114-0.421l-3.571-3.571   c-1.052-1.052-2.883-1.05-3.933,0l-4.553,4.553c-0.525,0.525-0.814,1.224-0.814,1.967c0,0.742,0.289,1.44,0.814,1.966l3.572,3.571   c0.573,0.574,0.73,1.364,0.42,2.114S8.644,21,7.832,21H2.78C1.247,21,0,22.247,0,23.78v6.439C0,31.753,1.247,33,2.78,33h5.052   c0.812,0,1.481,0.447,1.792,1.197s0.153,1.54-0.42,2.114l-3.572,3.571c-0.525,0.525-0.814,1.224-0.814,1.966   c0,0.743,0.289,1.441,0.814,1.967l4.553,4.553c1.051,1.051,2.881,1.053,3.933,0l3.571-3.572c0.574-0.573,1.363-0.731,2.114-0.42   c0.75,0.311,1.197,0.98,1.197,1.792v5.052c0,1.533,1.247,2.78,2.78,2.78h6.439c1.533,0,2.78-1.247,2.78-2.78v-5.052   c0-0.812,0.447-1.481,1.197-1.792c0.751-0.312,1.54-0.153,2.114,0.42l3.571,3.572c1.052,1.052,2.883,1.05,3.933,0l4.553-4.553   c0.525-0.525,0.814-1.224,0.814-1.967c0-0.742-0.289-1.44-0.814-1.966l-3.572-3.571c-0.573-0.574-0.73-1.364-0.42-2.114   S45.356,33,46.168,33h5.052c1.533,0,2.78-1.247,2.78-2.78V23.78C54,22.247,52.753,21,51.22,21z M52,30.22   C52,30.65,51.65,31,51.22,31h-5.052c-1.624,0-3.019,0.932-3.64,2.432c-0.622,1.5-0.295,3.146,0.854,4.294l3.572,3.571   c0.305,0.305,0.305,0.8,0,1.104l-4.553,4.553c-0.304,0.304-0.799,0.306-1.104,0l-3.571-3.572c-1.149-1.149-2.794-1.474-4.294-0.854   c-1.5,0.621-2.432,2.016-2.432,3.64v5.052C31,51.65,30.65,52,30.22,52H23.78C23.35,52,23,51.65,23,51.22v-5.052  ...

SCSS

$color:#ffc107;
$animation: dash 3s linear infinite,
fillin 3s linear infinite;
@mixin animate($animation) {
  -webkit-animation: $animation;
  animation: $animation;
}

@mixin dash {
  75% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@mixin fillin {
  0% {
    fill-opacity: 0;
  }
  75% {
    fill-opacity: 0;
  }
  100% {
    fill-opacity: 1;
  }
}

svg {
  width: 100px;
  height: 100px;
}

path {
  fill: $color;
  fill-opacity: 0;
  stroke: $color;
  stroke-width: 1px;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  @include animate($animation);
}

@-webkit-keyframes dash {
  @include dash;
}

@keyframes dash {
  @include dash;
}

@keyframes fillin {
  @include fillin;
}

@-webkit-keyframes fillin {
  @include fillin;
}