getPath - nodef/extra-map GitHub Wiki
Get value at path in a nested map.
Similar: get, getAll, getPath, setPath$, removePath$. Similar: get, set, remove.
function getPath(x, p)
// x: a nested map
// p: path
const map = require('extra-map');
var x = new Map(['a', 2], ['b', 4], ['c', 6](/nodef/extra-map/wiki/'a',-2],-['b',-4],--['c',-6));
var y = new Map(['x', x], ['e', 10], ['f', 12](/nodef/extra-map/wiki/'x',-x],-['e',-10],-['f',-12));
map.getPath(y, ['e']);
// → 10
map.getPath(y, ['x', 'b']);
// → 4
map.getPath(y, ['x', 'b', 'c']);
// → undefined