52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
import { z } from "zod";
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const diagnostics = z.array(z.string().min(1)).min(1).exactOptional();
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const completeCoverage = z.strictObject({
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status: z.literal("complete"),
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diagnostics,
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});
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const limitedDirections = z.union([
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z.tuple([z.literal("callers")]).check(z.minLength(1), z.maxLength(1)),
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z.tuple([z.literal("callees")]).check(z.minLength(1), z.maxLength(1)),
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z
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.tuple([z.literal("callers"), z.literal("callees")])
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.check(z.minLength(2), z.maxLength(2)),
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]);
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const partialCoverage = z.strictObject({
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status: z.literal("partial"),
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limitations: z.array(z.string().min(1)).min(1),
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limited_directions: limitedDirections.exactOptional(),
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diagnostics,
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});
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const unknownCoverage = z.strictObject({
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status: z.literal("unknown"),
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reason: z.string().min(1),
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limited_directions: limitedDirections.exactOptional(),
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diagnostics,
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});
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/** Explicit coverage state for a provider's observed caller/callee set. */
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export const relationshipCoverageSchema = z.discriminatedUnion("status", [
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completeCoverage,
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partialCoverage,
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unknownCoverage,
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]);
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export type RelationshipCoverage = z.infer<typeof relationshipCoverageSchema>;
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/** Reasons the observed relationship inventory cannot establish completeness. */
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export const relationshipCoverageLimitations = (
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coverage: RelationshipCoverage | null | undefined,
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): readonly string[] => {
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switch (coverage?.status) {
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case undefined:
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return ["Provider did not report relationship coverage."];
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case "complete":
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return [];
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case "partial":
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return coverage.limitations;
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case "unknown":
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return [coverage.reason];
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}
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};
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