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| 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 | 230x 184x 23x 23x 23x 92x 23x 23x 23x | export interface CoverageMetric {
readonly pct: number;
}
export interface CoverageSummary {
readonly statements: CoverageMetric;
readonly branches: CoverageMetric;
readonly functions: CoverageMetric;
readonly lines: CoverageMetric;
}
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === "object" && value !== null;
}
function isCoverageMetric(value: unknown): value is CoverageMetric {
return isRecord(value) && typeof value.pct === "number";
}
export function parseCoverageSummary(value: unknown): CoverageSummary {
Iif (!isRecord(value) || !("total" in value))
throw new Error("coverage summary does not contain total metrics");
const total = value.total;
const names = ["statements", "branches", "functions", "lines"] as const;
Iif (!isRecord(total) || !names.every((name) => isCoverageMetric(total[name])))
throw new Error("coverage summary has invalid total metrics");
const { statements, branches, functions, lines } = total;
Iif (
!isCoverageMetric(statements) ||
!isCoverageMetric(branches) ||
!isCoverageMetric(functions) ||
!isCoverageMetric(lines)
)
throw new Error("coverage summary has invalid total metrics");
return { statements, branches, functions, lines };
}
|