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arktypeio / arktype

TypeScript's 1:1 validator, optimized from editor to runtime
https://arktype.io
MIT License
3.83k stars 55 forks source link

Pipeline of string keywords appears to skip intermediate options #1144

Open fnimick opened 2 hours ago

fnimick commented 2 hours ago

Report a bug

🔎 Search Terms

string, keywords, string.lower, string.trim, case

🧩 Context

OS: macOS 15.0
CPU: (10) arm64 Apple M1 Pro
Memory: 92.36 MB / 16.00 GB
Shell: 5.9 - /bin/zsh

Binaries: Node: 20.13.1 - ~/.asdf/installs/nodejs/20.13.1/bin/node Yarn: 1.22.19 - ~/.yarn/bin/yarn npm: 10.5.2 - ~/.asdf/plugins/nodejs/shims/npm pnpm: 9.7.0 - ~/.asdf/shims/pnpm npmPackages: arktype: ^2.0.0-rc.12 => 2.0.0-rc.12 typescript: ^5.5.4 => 5.5.4

🧑‍💻 Repro

type('string.lower').to('string.trim').to("'success'")('Success')
type('string.lower').to('string.trim').to("'success'")('success ')
type('string.trim').to('string.lower').to("'success'")('Success')
type('string.trim').to('string.lower').to("'success'")('success ')

It appears that the intermediate type does not take effect.

fnimick commented 2 hours ago

It also seems to happen with pipe:

type('string.trim').pipe(type('string.lower'), type('string'))('Foo ')

I expect this to return 'foo', but it errors instead.