adb.sh/src/projects/hoyams.md

sidebar	excerpt	meta
true	the validation tool nobody asked for	name content description the validation tool nobody asked for name content keywords Alban, David, Becker, deno, web, javascript

hoyams

the validation tool nobody asked for | hoyams = hold on you are missing something

• stack: deno, typescript
• repo: github.com
• deno package: deno.land

Concept

Rules are defined via a callback which retuns true or an error String. This is so that you can define rules by using an or operator like this:

new Rule((v) => typeof v === "string" || "is not a string");

or this:

new Rule((v) =>
  typeof v === "string" && !!v.match(/^\w+@\w+\.\w+$/) ||
  "no valid email"
);

• If a executing a validation completes without an error an object with the same structure as the object given is returned.

• For creating powerful nested object rules there are some primites given: How to use