Convert a string to a template string

Question

Is it possible to create a template string as a usual string

let a=\"b:${b}\";

an then convert it into a template string

le         


        

Answer 1

The issue here is to have a function that has access to the variables of its caller. This is why we see direct eval being used for template processing. A possible solution would be to generate a function taking formal parameters named by a dictionary's properties, and calling it with the corresponding values in the same order. An alternative way would be to have something simple as this:

var name = "John Smith";
var message = "Hello, my name is ${name}";
console.log(new Function('return `' + message + '`;')());

And for anyone using Babel compiler we need to create closure which remembers the environment in which it was created:

console.log(new Function('name', 'return `' + message + '`;')(name));