What are the pros and cons of passing an imported object from a parent component to its children as props versus directly importing that object within the children components?

Question

What are the pros and cons of passing an imported object from a parent component to its children as props versus directly importing that object within the children components?

My current project involves a helper object known as TimeHelper, which is used for time-related tasks. This object is required in multiple components within the top-level parent component.

I am contemplating whether it would be advantageous to import TimeHelper once in the parent component and pass it down as props to the children components, rather than importing it in each individual component that requires it.

Edit: In response to Nicholas' inquiries:

Will this object undergo changes? There may be additional methods added in the future, but it will not be modified after importing.

Do any of its properties depend on the state or props of your components? No, it is an independent object with functions specifically designed for handling time and date operations.

javascript vue.js vuejs2 components

Answer 1

Answer №1

In my personal experience, simplifying the interface of a component by reducing its complexity is always beneficial.

Thinking ahead to six months from now, when you may need to create another widget component, you don't want to be struggling to remember what props it requires. Avoiding the confusion of figuring out things like "What does this prop do?" or "Where else is this used?" can save time and effort in the future.

If a widget component directly imports the necessary helper, it eliminates the need for an additional prop.

Of course, this approach may not be suitable if the helper actually needs to be configured differently for each instance of the component. For example, if the timeHelper is a date formatting function with varying behaviors required for different instances.

It's worth noting that if the helper function is needed in your templates, you can utilize a filter. This can help simplify the code and improve readability:

<span>date shared: {{ createdAt | formatDate }}</span>

Answer 2

In my personal experience, simplifying the interface of a component by reducing its complexity is always beneficial.

Thinking ahead to six months from now, when you may need to create another widget component, you don't want to be struggling to remember what props it requires. Avoiding the confusion of figuring out things like "What does this prop do?" or "Where else is this used?" can save time and effort in the future.

If a widget component directly imports the necessary helper, it eliminates the need for an additional prop.

Of course, this approach may not be suitable if the helper actually needs to be configured differently for each instance of the component. For example, if the timeHelper is a date formatting function with varying behaviors required for different instances.

It's worth noting that if the helper function is needed in your templates, you can utilize a filter. This can help simplify the code and improve readability:

<span>date shared: {{ createdAt | formatDate }}</span>

What are the pros and cons of passing an imported object from a parent component to its children as props versus directly importing that object within the children components?

Answer №1

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