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

Still dynamic but seems more controlled than just using a naked eval:

const vm = require('vm')
const moment = require('moment')


let template = '### ${context.hours_worked[0].value} \n Hours worked \n #### ${Math.abs(context.hours_worked_avg_diff[0].value)}% ${fns.gt0(context.hours_worked_avg_diff[0].value, "more", "less")} than usual on ${fns.getDOW(new Date())}'
let context = {
  hours_worked:[{value:10}],
  hours_worked_avg_diff:[{value:10}],

}


function getDOW(now) {
  return moment(now).locale('es').format('ffffdd')
}

function gt0(_in, tVal, fVal) {
  return _in >0 ? tVal: fVal
}



function templateIt(context, template) {
  const script = new vm.Script('`'+template+'`')
  return script.runInNewContext({context, fns:{getDOW, gt0 }})
}

console.log(templateIt(context, template))

https://repl.it/IdVt/3