searchValue

Find key with a given value.

Similar: searchValue, searchValueAll.
Similar: find, search, searchValue.

function searchValue(x, v, fc, fm)
// x:  an object
// v:  search value
// fc: compare function (a, b)
// fm: map function (v, k, x)

const object = require('extra-object');

var x = {a: 1, b: -2, c: 3, d: 2, e: 5};
object.searchValue(x, 2);
// → 'd'                      ^

object.searchValue(x, 2, (a, b) => Math.abs(a) - Math.abs(b));
// → 'b'         ^

object.searchValue(x, 2, null, v => Math.abs(v));
// → 'b'         ^

References

• List-Extra.elemIndex: elm
• iterable-binsearch: @krisselden
• binarysearch: @soldair