@extra-array/scan-until.min v2.10.19
Scans from left, until a test passes. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:
Alternatives: scanWhile, scanWhileRight, scanUntil, scanUntilRight. Similar: search, scan, find.
This is part of package extra-array.
This is browserified, minified version of @extra-array/scan-until. It is exported as global variable array_scanUntil. CDN: unpkg, jsDelivr.
array.scanUntil(x, ft);
// x: an array
// ft: test function (v, i, x)
// → index where test passes
const array = require("extra-array");
var x = [1, 1, 2, 2, 3, 3, 4, 4];
array.scanUntil(x, v => v % 2 === 0);
// 2 ^
array.scanUntil(x, v => v % 3 === 0);
// 4 ^
array.scanUntil(x, v => v % 6 === 0);
// 8 ^
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