A guide on converting character objects to strings

Presented below is an array of characters:

Resource {0: "-", 1: "-", 2: "-", 3: "-",  4: "-", 5: "B", 6: "E", 7: "G", 8: "I", 9: "N", 10: " ", 11: "C", 12: "E", 13: "R", 14: "T", 15: "I", .... }

I am looking to convert it into the following format:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

This is a certificate. Is there a JavaScript solution available for this conversion? Thanks -k

javascriptangularjs

Answer №1

Your collection of characters is almost resembling an array. It contains numeric indices, but lacks the crucial .length property. By adding this property, it will transform into an "array-like" object, enabling you to utilize Array.from for converting it into a proper array.

Once you have an actual array at your disposal, all that remains is to reconstruct the string by combining the elements using an empty string:

const characters = {0: "-", 1: "-", 2: "-", 3: "-",  4: "-", 5: "B", 6: "E", 7: "G", 8: "I", 9: "N", 10: " ", 11: "C", 12: "E", 13: "R", 14: "T", 15: "I"};

// Adding a length key to make it resemble an "array-like":
characters.length = Object.keys(characters).length;
console.log(Array.from(characters).join(""));

Answer №2

To create a string from an object, you can store it in an array and then join the elements together.

var data = { 0: "H", 1: "e", 2: "l", 3: "l", 4: "o" },
    str = Object.assign([], data).join('');

console.log(str);

Answer №3

Using Object.keys allows you to extract all the keys from a hash and then use .map() to apply a custom function to each key

var output =""
var data = {0: "-", 1: "-", 2: "-", 3: "-",  4: "-", 5: "B", 6: "E", 7: 
"G", 8: "I", 9: "N", 10: " ", 11: "C", 12: "E", 13: "R", 14: "T", 15: "I" }
Object.keys(data).map(function(key){ 
    output = output + data[key]
})
output;

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