I have a map that I'm converting a specific string format using:
let content = "";
let myMap = new Map().set('a', 1).set('b', 2).set('c', 3);
myMap.forEach((value: string, key: number) => {
content += `${key}: ${value}, `;
});
However this will leave a comma at the end.
Is there some other way? e.g. to be able to use join?
Thanks,
This works:
Object.keys(myMap).map(data => [data, myMap[data]]).map(([k, v]) => `${k}:${v}`).join(', ');
You can convert the map to an array, and then use join after a quick transformation:
let myMap = new Map().set('a', 1).set('b', 2).set('c', 3);
let str = [...myMap].map(([k, v]) => `${k}: ${v}`).join(", ");
console.log(str);Yes, you can use join
let content = []; // array
let myMap = new Map().set('a', 1).set('b', 2).set('c', 3);
myMap.forEach((value, key) => {
content.push(`${key}: ${value}`); // push all elts into the array
});
content is now an array ["a: 1", "b: 2", "c: 3"]
use join to convert it to a comma separated string
content = content.join();
desired output "a: 1,b: 2,c: 3"
[...myMap].map(([k, v]) => `${k}: ${v}`).join(", ");works.