feature: classless (#35)

Removed classes in favour of top-level functions to be better aligned with `[email protected]` BREAKING CHANGE: removed classes BREAKING CHANGE: simplified `io-ts` codec
devexperts · Aug 23, 2019 · 7351a88 · 7351a88
1 parent b7ad152
commit 7351a88
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Showing 5 changed files with 1,084 additions and 1,567 deletions.
diff --git a/src/__tests__/remote-data-io.spec.ts b/src/__tests__/remote-data-io.spec.ts
@@ -1,39 +1,39 @@
 import { createRemoteDataFromJSON } from '../remote-data-io';
-import * as t from 'io-ts';
 import { initial, pending, failure, success, progress } from '../remote-data';
 import { right } from 'fp-ts/lib/Either';
 import { none, some } from 'fp-ts/lib/Option';
+import { number, string } from 'io-ts';
 
 describe('RemoteDataFromJSONType', () => {
 	it('createRemoteDataFromJSON', () => {
-		const T = createRemoteDataFromJSON(t.string, t.number);
-		expect(T.decode({ type: 'Failure', error: 'error' })).toEqual(right(failure('error')));
-		expect(T.decode({ type: 'Initial' })).toEqual(right(initial));
-		expect(T.decode({ type: 'Pending', progress: null })).toEqual(right(pending));
-		expect(T.decode({ type: 'Pending', progress: { loaded: 2, total: null } })).toEqual(
+		const codec = createRemoteDataFromJSON(string, number);
+		expect(codec.decode({ _tag: 'RemoteFailure', error: 'error' })).toEqual(right(failure('error')));
+		expect(codec.decode({ _tag: 'RemoteInitial' })).toEqual(right(initial));
+		expect(codec.decode({ _tag: 'RemotePending', progress: null })).toEqual(right(pending));
+		expect(codec.decode({ _tag: 'RemotePending', progress: { loaded: 2, total: null } })).toEqual(
 			right(progress({ loaded: 2, total: none })),
 		);
-		expect(T.decode({ type: 'Pending', progress: { loaded: 2, total: 5 } })).toEqual(
+		expect(codec.decode({ _tag: 'RemotePending', progress: { loaded: 2, total: 5 } })).toEqual(
 			right(progress({ loaded: 2, total: some(5) })),
 		);
-		expect(T.decode({ type: 'Success', value: 42 })).toEqual(right(success(42)));
-		expect(T.encode(failure('error'))).toEqual({ type: 'Failure', error: 'error' });
-		expect(T.encode(initial)).toEqual({ type: 'Initial' });
-		expect(T.encode(pending)).toEqual({ type: 'Pending', progress: null });
-		expect(T.encode(progress({ loaded: 2, total: none }))).toEqual({
-			type: 'Pending',
+		expect(codec.decode({ _tag: 'RemoteSuccess', value: 42 })).toEqual(right(success(42)));
+		expect(codec.encode(failure('error'))).toEqual({ _tag: 'RemoteFailure', error: 'error' });
+		expect(codec.encode(initial)).toEqual({ _tag: 'RemoteInitial' });
+		expect(codec.encode(pending)).toEqual({ _tag: 'RemotePending', progress: null });
+		expect(codec.encode(progress({ loaded: 2, total: none }))).toEqual({
+			_tag: 'RemotePending',
 			progress: { loaded: 2, total: null },
 		});
-		expect(T.encode(progress({ loaded: 2, total: some(5) }))).toEqual({
-			type: 'Pending',
+		expect(codec.encode(progress({ loaded: 2, total: some(5) }))).toEqual({
+			_tag: 'RemotePending',
 			progress: { loaded: 2, total: 5 },
 		});
-		expect(T.encode(success(42))).toEqual({ type: 'Success', value: 42 });
-		expect(T.is(failure('error'))).toBe(true);
-		expect(T.is(initial)).toBe(true);
-		expect(T.is(pending)).toBe(true);
-		expect(T.is(success(42))).toBe(true);
-		expect(T.is(failure(1))).toBe(false);
-		expect(T.is(success('invalid'))).toBe(false);
+		expect(codec.encode(success(42))).toEqual({ _tag: 'RemoteSuccess', value: 42 });
+		expect(codec.is(failure('error'))).toBe(true);
+		expect(codec.is(initial)).toBe(true);
+		expect(codec.is(pending)).toBe(true);
+		expect(codec.is(success(42))).toBe(true);
+		expect(codec.is(failure(1))).toBe(false);
+		expect(codec.is(success('invalid'))).toBe(false);
 	});
 });
diff --git a/src/__tests__/remote-data-t.spec.ts b/src/__tests__/remote-data-t.spec.ts
@@ -3,6 +3,8 @@ import { identity, constant } from 'fp-ts/lib/function';
 
 import * as remoteDataT from '../remote-data-t';
 import * as remoteData from '../remote-data';
+import { pipe } from 'fp-ts/lib/pipeable';
+import { fold } from '../remote-data';
 
 describe('RemoteDataT', () => {
 	it('chain', async done => {
@@ -24,7 +26,10 @@ describe('RemoteDataT', () => {
 		const rdTask = success(task.of(42));
 		const rd = await rdTask();
 
-		rd.foldL(fail, fail, fail, (n: number) => expect(n).toEqual(42));
+		pipe(
+			rd,
+			fold(fail, fail, fail, (n: number) => expect(n).toEqual(42)),
+		);
 		done();
 	});
 
@@ -33,7 +38,10 @@ describe('RemoteDataT', () => {
 		const rdTask = failure(task.of(new Error('oops')));
 		const rd = await rdTask();
 
-		rd.foldL(fail, fail, (e: Error) => expect(e.message).toEqual('oops'), fail);
+		pipe(
+			rd,
+			fold(fail, fail, (e: Error) => expect(e.message).toEqual('oops'), fail),
+		);
 		done();
 	});
 
@@ -42,7 +50,10 @@ describe('RemoteDataT', () => {
 		const rdTask = fromRemoteData(remoteData.success(42));
 		const rd = await rdTask();
 
-		rd.foldL(fail, fail, fail, (n: number) => expect(n).toEqual(42));
+		pipe(
+			rd,
+			fold(fail, fail, fail, (n: number) => expect(n).toEqual(42)),
+		);
 		done();
 	});