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javascript - Using conditionals inside template literals

I know there are more elegant ways to define a string with variables included, but if I want to add a conditional in pre ES6 I would do..

var a = "text"+(conditional?a:b)+" more text"

now with template literals I would do..

   let a;
   if(conditional) a = `test${a} more text`;
   else a = `test${b} more text`;

Is there a more elegant way to implement this conditional? is it possible to include if shortcut?

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Use this:

let a = `test${conditional ? a : b} more text`;

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