/** Compare the first n elements of an array with another, longer array */ export function arrayStartingMatch(a: Array, b: Array): boolean { if (a.length === 0) { return false; } if (b.length === 0) { return false; } let matching = true; let i = 0; while (i < a.length) { if (a[i] !== b[i]) { matching = false; } i++; } return matching; }