npm install chartist

yarn add chartist

import Chartist from 'chartist';

<template>
  <div>
    <!-- Chart container -->
    <div id="chart">

Note that we're creating a new instance of Chartist.js within the mounted() hook, which ensures the chart container is available and ready for rendering.

Step 3: Verify Chart Data and Options

Another common cause of the error is incorrect or missing chart data or options. Double-check that you're providing valid data and options to Chartist.js:

<script>
export default {
  mounted() {
    const chart = new Chartist.Line('#chart', {
      labels: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri'],
      series: [
        [12, 9, 7, 8, 5],
        [2, 1, 3.5, 7, 11],
        [1, 3, 4, 5, 6]
      ]
    });
  }
}
</script>

Make sure your data is correctly formatted and that you're not passing invalid or null values to Chartist.js.

Step 4: Check Vue.js Lifecycle Hooks

Sometimes, Vue's lifecycle hooks can interfere with Chartist.js initialization. Try moving the Chartist.js initialization to a different lifecycle hook, such as beforeMount() or updated(), to see if it makes a difference:

<script>
export default {
  beforeMount() {
    const chart = new Chartist.Line('#chart', {
      labels: [...],
      series: [...]
    });
  }
}
</script>

Keep in mind that this might affect the chart's rendering and reactivity, so ensure you're not causing unintended consequences.

Step 5: Use a Try-Catch Block (Optional)

If you're still encountering issues, consider wrapping your Chartist.js initialization within a try-catch block to catch any errors that might be occurring:

<script>
export default {
  mounted() {
    try {
      const chart = new Chartist.Line('#chart', {
        labels: [...],
        series: [...]
      });
    } catch (error) {
      console.error('Error initializing Chartist.js:', error);
    }
  }
}
</script>

This can help you identify the root cause of the error and provide valuable insight into what's going wrong.

Conclusion

By following these steps, you should be able to resolve the "Right-hand side of 'instanceof' is not an object" error in Chartist.js when using Vue.js. Remember to:

• Verify Chartist.js installation and importation
• Initialize Chartist.js correctly within the mounted() lifecycle hook
• Verify chart data and options
• Check Vue.js lifecycle hooks and adjust accordingly
• Use a try-catch block to catch errors (optional)

With a little patience and persistence, you'll be rendering beautiful charts with Chartist.js and Vue.js in no time!

Additional Resources

For further assistance, you can refer to the following resources:

• Chartist.js Documentation
• Vue.js Lifecycle Hooks Documentation
• Vue.js Forum

By now, you should be well-equipped to tackle the "Right-hand side of 'instanceof' is not an object" error and create stunning charts with Chartist.js and Vue.js. Happy coding!

Here are 5 Questions and Answers about "Right-hand side of 'instanceof' is not an object in Chartist.js with Vue.js":

Frequently Asked Question

Having trouble with Chartist.js in your Vue.js project? Don't worry, we've got you covered! Here are some common issues and their solutions.