Better errors for wrong schema

[cdtut]

If you use {} instead of z.object({}) you get TypeError: keyValidator._parse is not a function which is not clear. There should be understandable error message that says you need z.object({}) instead of plain object.

Same thing on z.enum('value', 'value') there is error TypeError: array.map is not a function instead of telling you to wrap it in array like z.enum(['value', 'value']).

[cdtut]

Also argument validation should be there for example if you pass arguments like z.string(pattern) when you meant z.string().regex(pattern) it works but should be error saying wrong arguments passed.

[capaj]

Thanks for opening this @cdtut.
Took me like 45 minutes to debug-I was passing zod.object instead of plain object into schema.extend()

I mean TS types did warn me, but in case you have the line ignored the error is mindboggling. Why doesn't it throw right there on the line where I call extend()?