export pathReporterFailure

CHANGELOG.md

@@ -19,7 +19,14 @@
  - add `readonly` combinator
  - add `never` type
 - **Breaking Changes**
- - remove `maybe` combinator
+ - remove `maybe` combinator, can be defined in userland as
+ ```ts
+ export function maybe<RT extends t.Any>(type: RT, name?: string): t.UnionType<[RT, typeof t.null], t.TypeOf<RT> | null> {
+ return t.union([type, t.null], name)
+ }
+ ```
+- **Polish**
+ - export `pathReporterFailure` function from default reporters
 - **Bug Fix**
  - revert pruning excess properties
  - revert `intersection` combinator accepting only `InterfaceType`s

src/reporters/default.ts

@@ -1,6 +1,6 @@
 import { Reporter } from './Reporter'
 import { isLeft } from 'fp-ts/lib/Either'
-import { Context, getFunctionName } from '../index'
+import { Context, getFunctionName, ValidationError } from '../index'
 
 function stringify(value: any): string {
  return typeof value === 'function' ? getFunctionName(value) : JSON.stringify(value)
@@ -10,9 +10,17 @@ function getContextPath(context: Context): string {
  return context.map(({ key, type }) => `${key}: ${type.name}`).join('/')
 }
 
+function getMessage(value: any, context: Context): string {
+ return `Invalid value ${stringify(value)} supplied to ${getContextPath(context)}`
+}
+
+export function pathReporterFailure(es: Array<ValidationError>): Array<string> {
+ return es.map(e => getMessage(e.value, e.context))
+}
+
 export const PathReporter: Reporter<Array<string>> = {
  report: validation => validation.fold(
- es => es.map(e => `Invalid value ${stringify(e.value)} supplied to ${getContextPath(e.context)}`),
+ pathReporterFailure,
  () => ['No errors!'],
  )
 }