String prototype method -> 'Hello {name}!'.format({name:'Homer'});
npm install string.formatAdd to JS String.prototype .format() method which accepts as parameter an object or an array with values to be substituted in the string, based on a pattern.
> String.format uses JSON.decycled for show Objects as String without circular references errors and some related problems.
> For Date object format you can use Date.format
``javascript`
require('string.format');
`javascript`
var text = "Hello {name} {lastname}!";
var params = {
name:'Homer',
lastname:'Simpson'
};
console.log("01 -- " + text.format(params));
//>> 01 -- Hello Homer Simpson!
`javascript`
var text = "Hello {user.name} {user.lastname}! {msg}";
var params = {
user:{
name:'Homer',
lastname:'Simpson'
},
msg:'How are you?'
};
console.log("02 -- " + text.format(params));
//>> 02 -- Hello Homer Simpson! How are you?
`javascript`
var text = "Option one:{0},two:{1},three:{2}.";
var params = ['start','stop','restart'];
console.log("03 -- " + text.format(params));
//>> 03 -- Option one:start,two:stop,three:restart.
`javascript`
var text = "Your tags: {tags}, and your config:{config}.";
var params = {
tags:['yellow','astronaut','donuts','ouch!'],
config:{
skin:'yellow',
hair:false,
intellectual:undefined
}
};
console.log("04 -- " + text.format(params));
//>> 04 -- Your tags: ["yellow","astronaut","donuts","ouch!"], and your config:{"skin":"yellow","hair":false}.
##Example
+ Example Code - jsfiddle.net
---
Añade a String.prototype de JS el método .format()` que acepta como parámetro un objeto o un array con valores que serán sustituidos en el string en base a un patrón de sustitución.
> String.format utiliza JSON.decycled para monstar objetos como strings sin errores de referencia circular y otros problemas relacionados.
> Para ampliar las funciones de String.format en el caso de objetos Date puede resultarte util Date.format