bitburner-src/src/utils/helpers/compareArrays.ts

31 lines
755 B
TypeScript
Raw Normal View History

/**
* Does a shallow compare of two arrays to determine if they are equal.
* @param a1 The first array
* @param a2 The second array
*/
2021-05-01 09:17:31 +02:00
export function compareArrays<T>(a1: T[], a2: T[]): boolean {
2021-09-05 01:09:30 +02:00
if (a1.length !== a2.length) {
return false;
}
2021-09-05 01:09:30 +02:00
for (let i = 0; i < a1.length; ++i) {
2022-05-25 21:08:48 +02:00
const v1 = a1[i];
const v2 = a2[i];
if (Array.isArray(v1)) {
2021-09-05 01:09:30 +02:00
// If the other element is not an array, then these cannot be equal
2022-05-25 21:08:48 +02:00
if (!Array.isArray(v2)) {
2021-09-05 01:09:30 +02:00
return false;
}
2022-05-25 21:08:48 +02:00
if (!compareArrays(v1, v2)) {
2021-09-05 01:09:30 +02:00
return false;
}
2022-05-25 21:08:48 +02:00
} else if (v1 !== v2 && !(Number.isNaN(v1) && Number.isNaN(v2))) {
// strict (in)equality considers NaN not equal to itself
2021-09-05 01:09:30 +02:00
return false;
}
2021-09-05 01:09:30 +02:00
}
2021-09-05 01:09:30 +02:00
return true;
}