What is the most efficient way to dynamically insert a space, break, or div at a specific height?

My goal is to generate a PDF from a React app that includes multiple components. The number of components can vary from 4 to 12, and the height of the components also changes based on content from the store.

I am looking for a solution where every 900px (size of my A4 page) adds a space to ensure that none of the components are split between pages. Alternatively, I need a way to evenly split the entire page into 900px parts based on the number of components being rendered.

Answer №1

This particular issue cannot be solved using a code snippet. Instead, I will outline my approach to resolving this problem.

Following the occurrence of the print event (whether triggered by a button click or automated process)...

  1. I would determine the current height of each component (as you indicated there are between 4 to 12 components).
   const element = document.getElementById('element');
   element.offsetHeight // height
  1. To address the issue, I would create a placeholder component (in the form of a div) that can be used to fill any vertical gaps between the components being printed.
   const Placeholder = ({height}) => (
      <div style={{height: `${height}px` }}>  </div>
   )
  1. Next, I would begin iterating through all the components until their combined height reaches 900px. At this point, I would insert the placeholder component to ensure that any remaining components are moved to a new page. For example:
Component 1 is 300px
Component 2 is 300px
Component 3 is 700px
Component 4 is 300px
loop {
  // first page
  <Component1 />
  <Component2 />
  <Placeholder height={300} />
  // second page
  <Component3 />
  <Placeholder height={200} />
  <Component4 />
  <Placeholder height={600} />
}

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