mirror of
https://github.com/freeCodeCamp/freeCodeCamp.git
synced 2026-01-23 12:01:12 -05:00
20 lines
583 B
JavaScript
20 lines
583 B
JavaScript
import { inspect } from 'util/util';
|
|
|
|
export function format(x) {
|
|
// we're trying to mimic console.log, so we avoid wrapping strings in quotes:
|
|
if (typeof x === 'string') return x;
|
|
else if (x instanceof Set) {
|
|
return `Set(${x.size}) {${Array.from(x).join(', ')}}`;
|
|
} else if (x instanceof Map) {
|
|
return `Map(${x.size}) {${Array.from(
|
|
x.entries(),
|
|
([k, v]) => `${k} => ${v}`
|
|
).join(', ')}})`;
|
|
} else if (typeof x === 'bigint') {
|
|
return x.toString() + 'n';
|
|
} else if (typeof x === 'symbol') {
|
|
return x.toString();
|
|
}
|
|
return inspect(x);
|
|
}
|