Error in Child Compilations
When you encounter the error message “1 error in child compilations” in your development environment, it means that there was an error while compiling a child component or module.
This error is usually a result of a mistake or issue within the code of the child component or module being compiled. By default, the exact details of the error are not shown in the main error message. Instead, you are provided with a hint to enable additional details by using the “stats.children: true” option or the “–stats-children” flag.
Enabling the additional details will provide you with a more in-depth and specific error message related to the child compilations. This can be useful for debugging and understanding the root cause of the issue.
Example
Let’s consider a simplified example where you have a parent component that imports and uses a child component:
// ParentComponent.js
import ChildComponent from './ChildComponent';
function ParentComponent() {
return (
);
}
export default ParentComponent;
// ChildComponent.js
function ChildComponent() {
// Example mistake: ReferenceError - variable not defined
console.log(nonExistentVariable);
return (
Child Component
);
}
export default ChildComponent;
In this example, the child component has a mistake where it tries to log a non-existent variable. When you try to compile the parent component, you may encounter the “1 error in child compilations” message without any specific details.
To get more information about the error, you can enable the additional details by modifying your build or development script. For example, in webpack, you can add the “stats: { children: true }” option to your configuration:
// webpack.config.js
module.exports = {
// other configuration options
stats: {
children: true
}
};
After enabling the additional details, you will receive a more specific error message indicating the exact error in the child component’s compilation. This can help you locate and fix the issue quickly.