How to get text ranges based on fonts - ms-word

Question

I have a paragraph that has multiple fonts applied. There are a number of ranges because of that. Is there a way (without working with the OOXML directly) to get these ranges, their fonts, and their text? Here is an example OOXML snippet I'm talking about:
<w:p w:rsidR="00301FAD" w:rsidRDefault="00301FAD">
<w:r w:rsidRPr="001D4040">
<w:rPr>
<w:b/>
<w:bCs/>
</w:rPr>
<w:t>Spam</w:t>
</w:r>
<w:r>
<w:t xml:space="preserve"/>
</w:r>
<w:r w:rsidRPr="001D4040">
<w:rPr>
<w:b/>
<w:bCs/>
<w:i/>
<w:iCs/>
</w:rPr>
<w:t>and</w:t>
</w:r>
<w:r>
<w:t xml:space="preserve"/>
</w:r>
<w:r w:rsidRPr="001D4040">
<w:rPr>
<w:i/>
<w:iCs/>
</w:rPr>
<w:t>eggs</w:t>
</w:r>
</w:p>
The paragraph text in Word looks like this:
Spam and eggs

Answer 1

You can use the paragraph class' split method which can split the paragraph into ranges based on a string. I used this function to print the font and the text of the example provided:
async function run() {
await Word.run(async (context) => {
const body = context.document.body;
var par = body.paragraphs.getFirst();
let words = par.split([" "]);
let first_word = words.getFirst();
first_word.load(["font", "text"]);
await context.sync();
console.log(f_word.font);
console.log(f_word.text);
});
}
One downside to this is that you can't differentiate between a word that has fonts like this: Spam, or like this: Spam since it will set the bold property to null both times.