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@thomlom

thomlom/Switch.vue

Created Aug 24, 2020
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An example of a toggle switch with Vue 3
<template>
<label class="container">
<input
v-bind="$attrs"
class="input"
type="checkbox"
:checked="checked"
@change="$emit('update:checked', $event.target.checked)"
/>
<span class="switch"></span>
<span class="label">{{ label }}</span>
</label>
</template>
<script>
export default {
name: "Switch",
props: {
label: {
type: String,
required: true,
},
checked: {
type: Boolean,
required: true,
},
},
};
</script>
<style scoped>
.container {
cursor: pointer;
display: flex;
align-items: center;
}
.label {
margin-left: 12px;
color: #1a202c;
/* Show an ellipsis if the text takes more than one line */
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/* Visually hide the checkbox input */
.input {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
.switch {
--switch-container-width: 50px;
--switch-size: calc(var(--switch-container-width) / 2);
--light-gray: #e2e8f0;
--gray: #cbd5e0;
--dark-gray: #a0aec0;
--teal: #4fd1c5;
--dark-teal: #319795;
/* Vertically center the inner circle */
display: flex;
align-items: center;
position: relative;
height: var(--switch-size);
flex-basis: var(--switch-container-width);
/* Make the container element rounded */
border-radius: var(--switch-size);
background-color: var(--light-gray);
/* In case the label gets really long, the toggle shouldn't shrink. */
flex-shrink: 0;
transition: background-color 0.25s ease-in-out;
}
.switch::before {
content: "";
position: absolute;
/* Move a little bit the inner circle to the right */
left: 1px;
height: calc(var(--switch-size) - 4px);
width: calc(var(--switch-size) - 4px);
/* Make the inner circle fully rounded */
border-radius: 9999px;
background-color: white;
border: 2px solid var(--light-gray);
transition: transform 0.375s ease-in-out;
}
.input:checked + .switch {
background-color: var(--teal);
}
.input:checked + .switch::before {
border-color: var(--teal);
/* Move the inner circle to the right */
transform: translateX(
calc(var(--switch-container-width) - var(--switch-size))
);
}
.input:focus + .switch::before {
border-color: var(--gray);
}
.input:focus:checked + .switch::before {
border-color: var(--dark-teal);
}
.input:disabled + .switch {
background-color: var(--gray);
}
.input:disabled + .switch::before {
background-color: var(--dark-gray);
border-color: var(--dark-gray);
}
</style>
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