0ca81f52da
One browser-safe module owns the manifest and chunk-ref shapes, their MessagePack form (positional ten-array, metadata as ordered entries, duplicate keys and unsafe integers refused, payload depth through cultcache-ts's own checkPayloadDepth), normalizeHash/parseSha256Hex, both record-key grammars (StableToken per UTF-16 unit), WebCrypto sha256Hex and packContent. cultcache-ts/document re-exports checkPayloadDepth. scripts/write-cultmesh-content-vectors.mjs writes the TypeScript manifest vectors for the C# reference to judge. Builds. Co-Authored-By below. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
60 lines
3 KiB
JavaScript
60 lines
3 KiB
JavaScript
// The TypeScript -> C# direction of the CultMesh content parity check.
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//
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// `contracts/cultmesh/content-vectors.cs-written.json` and `.rs-written.json` are written by the reference and by Rust
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// and decoded by TypeScript. This script writes the mirror file, `contracts/cultmesh/content-vectors.ts-written.json`:
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// `packages/cultnet-ts/src/content.ts` packs each declared input and encodes the manifest, and the C# test
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// `CultMeshContentVectorTests.TypeScriptManifestVectorsMatchTheReference` judges the committed file with the reference
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// only (it decodes the bytes, packs the same input itself and compares, and derives the record key).
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//
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// Deliberately not the C# file's inputs: a multi-byte artifact id, no version, integer-like metadata keys that a JS object
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// would reorder, a different body and chunk size. Agreeing on a copy of the other side's inputs would prove less.
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//
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// npm run build --workspace packages/cultnet-ts
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// node scripts/write-cultmesh-content-vectors.mjs
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//
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// Nothing here is randomised: rerunning on an unchanged codec rewrites the same bytes.
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import { existsSync, writeFileSync } from "node:fs";
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import { createRequire } from "node:module";
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import { dirname, join, resolve } from "node:path";
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import { fileURLToPath } from "node:url";
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const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
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const modulePath = join(repoRoot, "packages", "cultnet-ts", "dist", "content.js");
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const outputPath = join(repoRoot, "contracts", "cultmesh", "content-vectors.ts-written.json");
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if (!existsSync(modulePath)) {
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throw new Error(`${modulePath} is missing; run 'npm run build --workspace packages/cultnet-ts' first.`);
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}
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const { packContent, encodeManifest, artifactRecordKey } = createRequire(import.meta.url)(modulePath);
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const common = {
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artifactId: "Pixel Heroes/H\u00fct \u2603",
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kind: "asset",
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version: "",
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mimeType: "application/x-cultnet-ts-vector",
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createdAtUtc: "2026-10-19T00:00:00.0000000+00:00",
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chunkSizeBytes: 131072,
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tags: ["a", "b"],
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metadata: [["10", "x"], ["alpha", "y"], ["2", "z"]],
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};
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const inputs = [
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["ts multi-chunk body", { ...common, body: { length: 777777, multiplier: 7, modulus: 256 } }],
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["ts empty body", { ...common, body: { length: 0, multiplier: 7, modulus: 256 } }],
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["ts single chunk, versioned", { ...common, version: "V1 Beta", chunkSizeBytes: 4194304, tags: [], metadata: [], body: { length: 1000, multiplier: 7, modulus: 256 } }],
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];
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const vectors = [];
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for (const [label, input] of inputs) {
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const { body, ...options } = input;
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const bytes = Uint8Array.from({ length: body.length }, (_, index) => (index * body.multiplier) % body.modulus);
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const { manifest } = await packContent(input.artifactId, bytes, options);
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vectors.push({
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label,
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kind: "manifest",
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input,
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recordKey: await artifactRecordKey(manifest.artifactId, manifest.version, manifest.contentHash),
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messagePackBase64: Buffer.from(encodeManifest(manifest)).toString("base64"),
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});
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}
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writeFileSync(outputPath, `${JSON.stringify({ vectors }, null, 2)}\n`);
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console.log(`wrote ${vectors.length} vectors to ${outputPath}`);
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