Creating a Custom Tooltip Component in Vue

Creating a Custom Tooltip Component in Vue

There are plenty of libraries out there that will have you up and running with a good tooltip solution in minutes. However, if you are like me, you are sick and tired of giant dependency trees that have the distinct possibility of breaking at any time.

There are plenty of libraries out there that will have you up and running with a good tooltip solution in minutes. However, if you are like me, you are sick and tired of giant dependency trees that have the distinct possibility of breaking at any time. For that reason, we are going to build a custom single file tooltip component that you can build yourself and tweak to your heart’s content. It might take 15 minutes instead of 3… sorry about that.

As it happens, this is also the boilerplate for the tooltip component we use on Qvault’s coding app.

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The End Goal

We are building a single file component, as such it will be a single file with the following structure:

<template>

</template>

<script>

</script>

<style scoped>

</style>

At the end of this walkthrough we will have a tooltip component that floats above the target element(s), fades in and out, activates on hover, and is reusable across our entire app. Let’s take each section at a time.

The HTML

<template>
  <div class="tooltip-box">
    <slot />
    <div
      class="tooltip"
    >
      <span
        class="text"
      >{{ text }}</span>
    </div>
  </div>
</template>

Fairly simple setup here. We need:

  • An outer tooltip-box to encapsulate the entire component and ensure positioning.
  • A slot tag to inject the child component (whatever is hovered over to show the tooltip).
  • A span that will house the text of our tooltip.

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