1. Keep it Simple

When using ternary operations, it’s important to keep the logic as simple as possible. Avoid chaining multiple ternary operators or nesting them too deeply. This can make the code difficult to read and maintain. Instead, break down complex conditions into separate variables or methods.

For example:

<template>
  <div>
    <p></p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      isTrue: true,
    };
  },
};
</script>

2. Use Ternaries for Simple Rendering

Ternaries are particularly useful for simple rendering scenarios. They allow you to conditionally render a single element or component based on a boolean condition. However, if you need to render multiple elements or complex components, it is recommended to use v-if and v-else directives for better readability.

For example:

<template>
  <div>
    <h1></h1>
    <template v-if="isLogged">
      <p>User Dashboard</p>
      <button @click="logout">Logout</button>
    </template>
    <template v-else>
      <p>Login Form</p>
    </template>
  </div>
</template>

<script>
export default {
  data() {
    return {
      isLogged: false,
    };
  },
  methods: {
    logout() {
      this.isLogged = false;
    },
  },
};
</script>

3. Avoid Complex Logic

While ternary operations are convenient, they may not always be the best choice for complex logic. If the condition requires multiple checks or involves complex calculations, consider using computed properties or methods instead. This will ensure your code remains readable and maintainable.

For example:

<template>
  <div>
    <h1></h1>
  </div>
</template>

<script>
export default {
  computed: {
    greeting() {
      if (this.isMorning) {
        return 'Good morning!';
      } else if (this.isAfternoon) {
        return 'Good afternoon!';
      } else {
        return 'Good evening!';
      }
    },
  },
};
</script>

In conclusion, ternary operations are a valuable tool for handling conditional rendering in Vue.js components. By keeping the logic simple, using them for simple rendering scenarios, and avoiding complex logic, you can write clean and maintainable code.