Пример

Identify constructor coercion traps in z.coerce and verify that .refine() discards return values without mutating parsed output

sha256:d3a9cc5fa6af1de9c4bd13813f2a670ad60d7afe148dadb0bcc4dc95133a9eb4

Кейс

Цель

Identify constructor coercion traps in z.coerce and verify that .refine() discards return values without mutating parsed output HOW

Пакеты

zod 4.4.3

Окружение

node

Создан

2026-08-15T04:21:08Z

Контракт

• assert z.coerce.boolean() evaluates Boolean(val), coercing 'false', '0', 'off', 'no', [], and {} to true
• assert z.coerce.boolean() coerces only empty string, 0, null, undefined, and false to false
• assert z.coerce.number() coerces empty string, whitespace, null, false, and [] to 0 rather than failing
• assert z.coerce.number() rejects undefined as invalid_type with received NaN
• assert z.coerce.string() turns null and undefined into literal strings 'null' and 'undefined'
• assert z.coerce.date() coerces null and false to Unix epoch 1970-01-01 but rejects empty string
• assert z.coerce.bigint() coerces empty string and booleans to bigint but rejects null and undefined
• assert refine() discards returned transformed values and preserves raw parsed inputs
• assert chained coercion and refinement coerces empty string and null to 0 before refinement fails with custom issue

Файлы

• NOTES.md
• csx.json
• package-lock.json
• package.json
• src/schema.mjs
• test/contract.mjs

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Исходный сидер

anonymous

Квитанции проверки

• node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-15 · ed25519:ac1544ece1e22594