Function isJson

repos/effect/packages/effect/src/SchemaAST.ts:3859–3898

(u: unknown)

      return ast
    case "Number":
    case "Literal":
    case "BigInt":
      return ast.toCodecStringTree()
    case "Union":
      return ast.recur(partFromString)
  }
})

/**
 * any string, including newlines
 * @internal
 */
export const STRING_PATTERN = "[\\s\\S]*?"

const isStringFiniteRegExp = new globalThis.RegExp(`^${FINITE_PATTERN}$`)

const isStringNumberRegExp = new globalThis.RegExp(`^(?:${FINITE_PATTERN}|Infinity|-Infinity|NaN)$`)

/** @internal */
export function isStringFinite(annotations?: Schema.Annotations.Filter) {
  return isPattern(
    isStringFiniteRegExp,
    {
      expected: "a string representing a finite number",
      representation: {
        id: "effect/schema/isStringFinite",
        payload: null
      },
      toJsonSchema: () => ({ pattern: isStringFiniteRegExp.source }),
      ...annotations
    }
  )
}

const finiteString = appendChecks(string, [isStringFinite()])

const finiteToString = new Link(
  finiteString,
  SchemaTransformation.numberFromString
)

const numberToString = new Link(
  new Union([finiteString, nonFiniteLiterals], "anyOf"),