src/components/TextAnimation.vue - dev - zmeev06/DSTU-frontend-codecouch

src/components/TextAnimation.vue
95 строк2 KB
Sergey Timoshenko
feat: add animation
28 апр 2024, 17:15
28 апр 2024, 17:15ded27a9
<template>
  <span class="txt-rotate" data-period="2000" data-rotate='[ "Front-end", "Back-end", "Data Science", "SEO"]'></span>
</template>

<script setup>
import { onMounted } from 'vue'
var TxtRotate = function (el, toRotate, period) {
  this.toRotate = toRotate;
  this.el = el;
  this.loopNum = 0;
  this.period = parseInt(period, 10) || 2000;
  this.txt = '';
  this.tick();
  this.isDeleting = false;
};

TxtRotate.prototype.tick = function () {
  var i = this.loopNum % this.toRotate.length;
  var fullTxt = this.toRotate[i];

  if (this.isDeleting) {
    this.txt = fullTxt.substring(0, this.txt.length - 1);
  } else {
    this.txt = fullTxt.substring(0, this.txt.length + 1);
  }

  this.el.innerHTML = '<span class="wrap">' + this.txt + '</span>';

  var that = this;
  var delta = 300 - Math.random() * 100;

  if (this.isDeleting) { delta /= 2; }

  if (!this.isDeleting && this.txt === fullTxt) {
    delta = this.period;
    this.isDeleting = true;
  } else if (this.isDeleting && this.txt === '') {
    this.isDeleting = false;
    this.loopNum++;
    delta = 500;
  }

  setTimeout(function () {
    that.tick();
  }, delta);
};

onMounted(() => {
  var elements = document.getElementsByClassName('txt-rotate');
  for (var i = 0; i < elements.length; i++) {
    var toRotate = elements[i].getAttribute('data-rotate');
    var period = elements[i].getAttribute('data-period');
    if (toRotate) {
      new TxtRotate(elements[i], JSON.parse(toRotate), period);
    }
  }
  // INJECT CSS
  var css = document.createElement("style");
  css.type = "text/css";
  css.innerHTML = ".txt-rotate > .wrap { border-right: 0.08em solid #108A00 }";
  document.body.appendChild(css);
}) 
</script>

<style>
.typing-container {
  position: relative;
}

.word {
  display: inline-block;
  margin-right: 10px;
}

.cursor {
  width: 2px;
  height: 20px;
  background-color: black;
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0% {
    background-color: black;
  }

  50% {
    background-color: transparent;
  }

  100% {
    background-color: black;
  }
}
</style>