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  • License MIT

Finds first index of a subsequence.

Package Exports

  • @extra-array/search-subsequence.min

Readme

Finds first index of a subsequence. 🏃 📼 📦 🌔 📒

Similar: subsequence, subsequences, [hasSubsequence], searchSubsequence.
Similar: [hasValue], [hasPrefix], [hasInfix], [hasSuffix], [hasSubsequence], [hasPermutation].
This is part of package extra-array.

This is browserified, minified version of @extra-array/search-subsequence.
It is exported as global variable array_searchSubsequence.
CDN: unpkg, jsDelivr.

array.searchSubsequence(x, y, [fc], [fm]);
// x:  an array
// y:  subsequence?
// fc: compare function (a, b)
// fm: map function (v, i, x)
const array = require('extra-array');

var x = [1, 2, 3, 4];
array.searchSubsequence(x, [2, 4]);
// 1

array.searchSubsequence(x, [-2, -4]);
// -1

array.searchSubsequence(x, [-2, -4], (a, b) => Math.abs(a) - Math.abs(b));
// 1

array.searchSubsequence(x, [-2, -4], null, v => Math.abs(v));
// 1

references