Creates an array of key-value pair arrays from an object or other iterable.
Symbol.iterator
is defined and, if so, use Array.prototype.entries()
to get an iterator for the given iterable.Array.from()
to convert the result to an array of key-value pair arrays.Symbol.iterator
is not defined for obj
, use Object.entries()
instead.const toPairs = obj =>
obj[Symbol.iterator] instanceof Function && obj.entries instanceof Function
? Array.from(obj.entries())
: Object.entries(obj);
toPairs({ a: 1, b: 2 }); // [['a', 1], ['b', 2]]
toPairs([2, 4, 8]); // [[0, 2], [1, 4], [2, 8]]
toPairs('shy'); // [['0', 's'], ['1', 'h'], ['2', 'y']]
toPairs(new Set(['a', 'b', 'c', 'a'])); // [['a', 'a'], ['b', 'b'], ['c', 'c']]
JavaScript, Object
Creates an array of key-value pair arrays from an object.
JavaScript, Object
Creates an array of key-value pair arrays from an object.
JavaScript, Object
Creates an object from the given key-value pairs.