use decoder from io-ts

Dockerfile

@@ -7,7 +7,7 @@ COPY src ./src
 COPY tsconfig.json tsconfig.json
 
 RUN yarn
-RUN yarn build || true
+RUN yarn build
 
 ###############################################################
 

src/config.ts

@@ -1,12 +1,12 @@
-import * as t from 'io-ts';
+import * as D from 'io-ts/lib/Decoder';
 
-export const Config = t.strict({
-  GITHUB_EVENT_PATH: t.string,
-  INPUT_REPO_TOKEN: t.string,
-  GITHUB_WORKSPACE: t.string,
-  INPUT_FILE_GLOB: t.string,
-  INPUT_EVENT_NAME: t.string,
-  INPUT_SPECTRAL_RULESET: t.string,
+export const Config = D.type({
+  GITHUB_EVENT_PATH: D.string,
+  INPUT_REPO_TOKEN: D.string,
+  GITHUB_WORKSPACE: D.string,
+  INPUT_FILE_GLOB: D.string,
+  INPUT_EVENT_NAME: D.string,
+  INPUT_SPECTRAL_RULESET: D.string,
 });
 
-export type Config = t.TypeOf<typeof Config>;
+export type Config = D.TypeOf<typeof Config>;

src/index.ts

@@ -1,7 +1,6 @@
 import { join } from 'path';
 import { DiagnosticSeverity } from '@stoplight/types';
 import { warning } from '@actions/core';
-import { EOL } from 'os';
 import { promises as fs } from 'fs';
 import { array } from 'fp-ts/lib/Array';
 import { flatten } from 'lodash';
@@ -16,7 +15,7 @@ import * as IO from 'fp-ts/lib/IO';
 import * as TE from 'fp-ts/lib/TaskEither';
 import * as T from 'fp-ts/lib/Task';
 import * as E from 'fp-ts/lib/Either';
-import { failure } from 'io-ts/lib/PathReporter';
+import { draw } from 'io-ts/lib/Tree';
 import { pipe } from 'fp-ts/lib/pipeable';
 import { identity } from 'lodash';
 import { ChecksUpdateParamsOutputAnnotations } from '@octokit/rest';
@@ -110,7 +109,7 @@ const getEnv = IO.of(process.env);
 const decodeConfig = (env: NodeJS.ProcessEnv) =>
   pipe(
     Config.decode(env),
-    E.mapLeft(e => new Error(failure(e).join(EOL)))
+    E.mapLeft(e => new Error(draw(e)))
   );
 
 const createConfigFromEnv = pipe(

src/octokit.ts

@@ -1,23 +1,23 @@
 import { GitHub } from '@actions/github';
 import * as TE from 'fp-ts/lib/TaskEither';
 import * as E from 'fp-ts/lib/Either';
+import * as D from 'io-ts/lib/Decoder';
+import { draw } from 'io-ts/lib/Tree';
 import { Do } from 'fp-ts-contrib/lib/Do';
-import * as t from 'io-ts';
 import { ChecksCreateResponse, ChecksUpdateParamsOutputAnnotations, ChecksUpdateParams, Response } from '@octokit/rest';
 import { pipe } from 'fp-ts/lib/pipeable';
-import { failure } from 'io-ts/lib/PathReporter';
 
-const EventDecoder = t.strict({
-  after: t.string,
-  repository: t.strict({
-    name: t.string,
-    owner: t.strict({
-      login: t.string,
+const EventDecoder = D.type({
+  after: D.string,
+  repository: D.type({
+    name: D.string,
+    owner: D.type({
+      login: D.string,
     }),
   }),
 });
 
-type Event = t.TypeOf<typeof EventDecoder>;
+type Event = D.TypeOf<typeof EventDecoder>;
 
 export const createOctokitInstance = (token: string) => TE.fromEither(E.tryCatch(() => new GitHub(token), E.toError));
 
@@ -68,7 +68,7 @@ const parseEventFile = (eventPath: string) =>
     E.chain(event =>
       pipe(
         EventDecoder.decode(event),
-        E.mapLeft(errors => new Error(failure(errors).join(';')))
+        E.mapLeft(errors => new Error(draw(errors)))
       )
     )
   );

tsconfig.json

@@ -19,6 +19,7 @@
     "noUnusedParameters": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "skipLibCheck": true
   }
 }