7 replies

Understanding Schema.is Behavior in JSON Parsing

can anyone explain to me why Schema.is behaves this way? maybe i'm misunderstanding, but it seems that it should return

true

true

true

true in this case?

import {Schema } from "@effect/schema"

const mySchema = Schema.parseJson(Schema.Struct({name: Schema.String}))
const json = `{"name": "john"}`

const isIt = Schema.is(mySchema)(json)
console.log(isIt) // false

const parsed = Schema.decodeSync(mySchema)(json)
console.log(parsed) // { name: 'john' }

import {Schema } from "@effect/schema"

const mySchema = Schema.parseJson(Schema.Struct({name: Schema.String}))
const json = `{"name": "john"}`

const isIt = Schema.is(mySchema)(json)
console.log(isIt) // false

const parsed = Schema.decodeSync(mySchema)(json)
console.log(parsed) // { name: 'john' }

import {Schema } from "@effect/schema"

const mySchema = Schema.parseJson(Schema.Struct({name: Schema.String}))
const json = `{"name": "john"}`

const isIt = Schema.is(mySchema)(json)
console.log(isIt) // false

const parsed = Schema.decodeSync(mySchema)(json)
console.log(parsed) // { name: 'john' }

import {Schema } from "@effect/schema"

const mySchema = Schema.parseJson(Schema.Struct({name: Schema.String}))
const json = `{"name": "john"}`

const isIt = Schema.is(mySchema)(json)
console.log(isIt) // false

const parsed = Schema.decodeSync(mySchema)(json)
console.log(parsed) // { name: 'john' }

Understanding Schema.is Behavior in JSON Parsing

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