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test:pack:ts probe shows each exported function a map and a slot record (readWire refuses a map, so a wrapper of it passed the map-only probe)

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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Meta Vens 2026-10-12 01:22:47 +02:00
commit 986faf1f33
1 changed files with 10 additions and 7 deletions
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17
scripts/test-typescript-package-closure.mjs
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@ -87,7 +87,7 @@ assert.equal(documentEntry.decodeDocumentPayload, cache.decodeDocumentPayload);
// No entry exports a function that reads a payload around its schema, whatever it is called, wherever it is mounted: the
// package-internal readers are loaded from the packed dist files by path and looked for by identity in every packed
// entry (own names, 'default', and the members of any namespace or function export), and every exported function is
// shown a MessagePack map and must not hand it back decoded. The only reader allowed is the schema-checked owner.
// shown a MessagePack map and a slot record and must not hand either back decoded. The only reader allowed is the schema-checked owner.
const path = require("node:path");
const msgpack = require("@msgpack/msgpack");
const dist = path.dirname(require.resolve("@gamecult/cultcache-ts"));
@ -100,7 +100,8 @@ const internalReaders = new Map([
for (const [name, reader] of internalReaders) assert.equal(typeof reader, "function", name + " was found in the packed package");
const inspection = require("@gamecult/cultcache-ts/inspection");
const entries = { root: cache, codecs: cache.codecs, document: documentEntry, inspection };
const probePayload = msgpack.encode({ probe: 7 });
// A map and a slot record (an array), each with the text its decoded form prints as: a reader of either shape gives itself away.
const probes = [{ probe: 7 }, ["probe", 7]].map((value) => [msgpack.encode(value), JSON.stringify(value)]);
const exportsOf = (entry) => {
const found = [];
const seen = new Set();
@ -124,11 +125,13 @@ for (const [entryName, entry] of Object.entries(entries)) {
assert.notEqual(value, reader, entryName + " entry exports " + name + " as " + where);
}
if (typeof value !== "function" || value === cache.decodeDocumentPayload) continue;
let shown;
try {
shown = JSON.stringify(value(probePayload), (_key, member) => (member instanceof Map ? Object.fromEntries(member) : member));
} catch { continue; }
assert.ok(!shown?.includes('"probe":7'), entryName + " entry exports " + where + ", which reads a payload without its schema");
for (const [probePayload, decodedText] of probes) {
let shown;
try {
shown = JSON.stringify(value(probePayload), (_key, member) => (member instanceof Map ? Object.fromEntries(member) : member));
} catch { continue; }
assert.ok(!shown?.includes(decodedText), entryName + " entry exports " + where + ", which reads a payload without its schema");
}
}
}
assert.equal(typeof documentEntry.checkPayloadDepth, "undefined");