Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | 921x 40x 881x 10280x 40574x 40574x 28995x 881x 881x 10280x 881x 881x 881x 10280x 881x 881x 881x 4259938x 4259938x 4259938x 4259938x 18977x 18977x 881x 6071x 6071x 6071x 11007x 11007x 11007x 5859x 5148x 2883x 2265x 212x | import { type Profiler } from "node:inspector";
type Normalized = { start: number; end: number; count: number };
export function normalize(
scriptCoverage: Pick<Profiler.ScriptCoverage, "functions">,
) {
if (scriptCoverage.functions.length === 0) {
return [];
}
const ranges: (Normalized & { area: number })[] = scriptCoverage.functions
.flatMap((fn) =>
fn.ranges.map((range) => ({
start: range.startOffset,
end: range.endOffset,
count: range.count,
area: range.endOffset - range.startOffset,
})),
)
.sort((a, b) => {
const diff = b.area - a.area;
if (diff !== 0) return diff;
return a.end - b.end;
});
let maxEnd = 0;
for (const r of ranges) {
if (r.end > maxEnd) {
maxEnd = r.end;
}
}
const hits = new Uint32Array(maxEnd + 1);
for (const range of ranges) {
hits.fill(range.count, range.start, range.end + 1);
}
const normalized: Normalized[] = [];
let start = 0;
for (let end = 1; end <= hits.length; end++) {
const isLast = end === hits.length;
const current = isLast ? null : hits[end];
const previous = hits[start];
if (current !== previous || isLast) {
normalized.push({
start,
end: end - 1,
count: previous,
});
start = end;
}
}
return normalized;
}
export function getCount(
offset: Pick<Profiler.CoverageRange, "startOffset" | "endOffset">,
coverages: Normalized[],
) {
let low = 0;
let high = coverages.length - 1;
while (low <= high) {
const mid = Math.floor((low + high) / 2);
const coverage = coverages[mid];
if (
coverage.start <= offset.startOffset &&
offset.startOffset <= coverage.end
) {
return coverage.count;
} else if (offset.startOffset < coverage.start) {
high = mid - 1;
} else {
low = mid + 1;
}
}
return 0;
}
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