hasEntry

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Subhajit Sahu edited this page Dec 22, 2022 · 11 revisions

Check if entries has an entry.

Alternatives: has, hasValue, hasEntry, hasSubset, hasPath.
Similar: randomEntry, hasEntry.

function hasEntry(x, e, fc, fm)
// x:  entries
// e:  search entry ([k, v])
// fc: compare function (a, b)
// fm: map function (v, k, x)

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

var x = [["a", 1], ["b", 2], ["c", -3]];
entries.hasEntry(x, ["c", 3]);
// → false

entries.hasEntry(x, ["c", 3], (a, b) => Math.abs(a) - Math.abs(b));
// → true

entries.hasEntry(x, ["c", 3], null, v => Math.abs(v));
// → true

References