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Matt Aitken 5f359be286 feature: Errors page (#3172)
A top-level Errors page that aggregates errors from failed runs with
occurrences metrics.


https://github.com/user-attachments/assets/8f0ef55e-90dd-4faa-9051-59f4665181e4

Errors are “fingerprinted” so similar errors are grouped together (e.g.
has an ID in the error message).

You can view an individual error to view a timeline of when it fired,
the runs, and bulk replay them.
2026-03-05 11:05:45 +00:00

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/**
* Parses a version string into comparable numeric parts.
* Handles formats like "1.2.3", "20240115.1", "v1.0.0", plain timestamps, etc.
* Non-numeric pre-release suffixes (e.g. "-beta.1") are stripped for ordering purposes.
*/
function parseVersionParts(version: string): number[] {
const cleaned = version.replace(/^v/i, "").replace(/[-+].*$/, "");
return cleaned.split(".").map((p) => {
const n = parseInt(p, 10);
return isNaN(n) ? 0 : n;
});
}
/**
* Compares two version strings using numeric segment comparison (descending).
* Falls back to lexicographic comparison when segments are equal.
* Returns a negative number if `a` should come before `b` (i.e. `a` is newer).
*/
export function compareVersionsDescending(a: string, b: string): number {
const partsA = parseVersionParts(a);
const partsB = parseVersionParts(b);
const maxLen = Math.max(partsA.length, partsB.length);
for (let i = 0; i < maxLen; i++) {
const segA = partsA[i] ?? 0;
const segB = partsB[i] ?? 0;
if (segA !== segB) {
return segB - segA;
}
}
return b.localeCompare(a);
}
/**
* Sorts an array of version strings in descending order (newest first).
* Non-destructive returns a new array.
*/
export function sortVersionsDescending(versions: string[]): string[] {
return [...versions].sort(compareVersionsDescending);
}