Bump node-notifier and jest

.npmrc

@@ -0,0 +1 @@
+legacy-peer-deps=true

declaration/out/declaration/index.d.ts

@@ -21,7 +21,7 @@ export declare const R1: t.RefinementC<t.TypeC<{
         }>;
     }>;
 }>>;
-declare type R = {
+type R = {
     a: number;
     b: R | undefined | null;
 };

docs/modules/index.ts.md

@@ -1458,7 +1458,7 @@ export class TaggedUnionType<Tag, CS, A, O, I> {
     // tslint:disable-next-line: deprecation
     encode: TaggedUnionType<Tag, CS, A, O, I>['encode'],
     codecs: CS,
-    readonly tag: Tag
+    tag: Tag
   ) { ... }
   ...
 }
@@ -2151,7 +2151,7 @@ Added in v1.0.0
 **Signature**
 
 ```ts
-export const getDefaultContext /* istanbul ignore next */ = (decoder: Decoder<any, any>): Context => ...
+export const getDefaultContext = (decoder: Decoder<any, any>): Context => ...
 ```
 
 Added in v1.0.0
@@ -2161,7 +2161,7 @@ Added in v1.0.0
 **Signature**
 
 ```ts
-export const getValidationError /* istanbul ignore next */ = (value: unknown, context: Context): ValidationError => ...
+export const getValidationError = (value: unknown, context: Context): ValidationError => ...
 ```
 
 Added in v1.0.0

jest.config.js

@@ -4,7 +4,7 @@ module.exports = {
   collectCoverage: true,
   collectCoverageFrom: ['src/**/*.ts'],
   transform: {
-    '^.+\\.tsx?$': 'ts-jest'
+    '^.+\\.tsx?$': ['ts-jest', { tsconfig: { target: 'ES2015' } }]
   },
   testRegex: 'test',
   moduleFileExtensions: ['ts', 'js'],