chore: update dev dependencies and workflow

.eslintrc.json

@@ -0,0 +1,23 @@
+{
+  "env": {
+    "node": true,
+    "es2021": true,
+    "jest/globals": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:jest/recommended",
+    "plugin:prettier/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint",
+    "jest",
+    "prettier"
+  ]
+}

__tests__/context.test.ts

@@ -1,3 +1,4 @@
+import {beforeEach, describe, expect, it, jest} from '@jest/globals';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
@@ -145,7 +146,7 @@ FOO=bar`
     expect(res).toEqual([
       'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
       `MYSECRET=aaaaaaaa
-bbbb\"bbb
+bbbb"bbb
 ccccccccc`,
       'FOO=bar'
     ]);
@@ -167,19 +168,22 @@ describe('asyncForEach', () => {
 
 describe('setOutput', () => {
   beforeEach(() => {
-    process.stdout.write = jest.fn();
+    process.stdout.write = jest.fn() as typeof process.stdout.write;
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput produces the correct command', () => {
     context.setOutput('some output', 'some value');
     assertWriteCalls([`::set-output name=some output::some value${os.EOL}`]);
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput handles bools', () => {
     context.setOutput('some output', false);
     assertWriteCalls([`::set-output name=some output::false${os.EOL}`]);
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput handles numbers', () => {
     context.setOutput('some output', 1.01);
     assertWriteCalls([`::set-output name=some output::1.01${os.EOL}`]);

__tests__/flavor.test.ts

@@ -1,3 +1,4 @@
+import {describe, expect, test} from '@jest/globals';
 import {Flavor, Transform} from '../src/flavor';
 
 describe('transform', () => {
@@ -165,14 +166,15 @@ describe('transform', () => {
       } as Flavor,
       false
     ]
-  ])('given %p attributes ', async (inputs: string[], expected: Flavor, invalid: boolean) => {
+  ])('given %p attributes', async (inputs: string[], expected: Flavor, invalid: boolean) => {
     try {
       const flavor = Transform(inputs);
       expect(flavor).toEqual(expected);
     } catch (err) {
       if (!invalid) {
         console.error(err);
       }
+      // eslint-disable-next-line jest/no-conditional-expect
       expect(true).toBe(invalid);
     }
   });

__tests__/github.test.ts

@@ -1,8 +1,9 @@
-import * as path from 'path';
+import {describe, expect, jest, it} from '@jest/globals';
 import * as github from '../src/github';
 
+import * as repoFixture from './fixtures/repo.json';
 jest.spyOn(github, 'repo').mockImplementation((): Promise<github.ReposGetResponseData> => {
-  return <Promise<github.ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
+  return <Promise<github.ReposGetResponseData>>(repoFixture as unknown);
 });
 
 describe('repo', () => {

__tests__/meta.test.ts

@@ -1,3 +1,4 @@
+import {beforeEach, describe, expect, jest, test} from '@jest/globals';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as dotenv from 'dotenv';
@@ -7,8 +8,9 @@ import * as github from '../src/github';
 import {Meta, Version} from '../src/meta';
 import {Context} from '@actions/github/lib/context';
 
+import * as repoFixture from './fixtures/repo.json';
 jest.spyOn(github, 'repo').mockImplementation((): Promise<github.ReposGetResponseData> => {
-  return <Promise<github.ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
+  return <Promise<github.ReposGetResponseData>>(repoFixture as unknown);
 });
 
 jest.spyOn(github, 'context').mockImplementation((): Context => {
@@ -20,7 +22,7 @@ jest.spyOn(global.Date.prototype, 'toISOString').mockImplementation(() => {
 });
 
 jest.mock('moment', () => {
-  return () => jest.requireActual('moment')('2020-01-10T00:30:00.000Z');
+  return () => (jest.requireActual('moment') as typeof import('moment'))('2020-01-10T00:30:00.000Z');
 });
 
 beforeEach(() => {
@@ -39,7 +41,7 @@ describe('isRawStatement', () => {
     ['{{ raw }}', true],
     ['{{ raw}}', true],
     ['{{raw}}', true],
-  ])('given %p pattern ', async (pattern: string, expected: boolean) => {
+  ])('given %p pattern', async (pattern: string, expected: boolean) => {
     expect(Meta.isRawStatement(pattern)).toEqual(expected);
   });
 });
@@ -3219,7 +3221,7 @@ describe('json', () => {
         }
       }
     ]
-  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exJSON: {}) => {
+  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exJSON: unknown) => {
     process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
     const context = github.context();
 
@@ -3524,7 +3526,7 @@ describe('bake', () => {
         }
       }
     ]
-  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exBakeDefinition: {}) => {
+  ])('given %p with %p event', async (name: string, envFile: string, inputs: Inputs, exBakeDefinition: unknown) => {
     process.env = dotenv.parse(fs.readFileSync(path.join(__dirname, 'fixtures', envFile)));
     const context = github.context();
 

__tests__/tag.test.ts

@@ -1,3 +1,4 @@
+import {describe, expect, test} from '@jest/globals';
 import {Transform, Parse, Tag, Type, RefEvent, ShaFormat, DefaultPriorities} from '../src/tag';
 
 describe('transform', () => {
@@ -104,6 +105,7 @@ describe('transform', () => {
       if (!invalid) {
         console.error(err);
       }
+      // eslint-disable-next-line jest/no-conditional-expect
       expect(true).toBe(invalid);
     }
   });
@@ -425,14 +427,15 @@ describe('parse', () => {
       {} as Tag,
       true
     ]
-  ])('given %p event ', async (s: string, expected: Tag, invalid: boolean) => {
+  ])('given %p event', async (s: string, expected: Tag, invalid: boolean) => {
     try {
       const tag = Parse(s);
       expect(tag).toEqual(expected);
     } catch (err) {
       if (!invalid) {
         console.error(err);
       }
+      // eslint-disable-next-line jest/no-conditional-expect
       expect(true).toBe(invalid);
     }
   });

hack/build.Dockerfile → dev.Dockerfile

@@ -1,6 +1,6 @@
-# syntax=docker/dockerfile:1.3-labs
+# syntax=docker/dockerfile:1
 
-ARG NODE_VERSION
+ARG NODE_VERSION=12
 
 FROM node:${NODE_VERSION}-alpine AS base
 RUN apk add --no-cache cpio findutils git
@@ -55,10 +55,10 @@ RUN --mount=type=bind,target=.,rw \
 FROM scratch AS format-update
 COPY --from=format /out /
 
-FROM deps AS format-validate
+FROM deps AS lint
 RUN --mount=type=bind,target=.,rw \
   --mount=type=cache,target=/src/node_modules \
-  yarn run format-check
+  yarn run lint
 
 FROM deps AS test
 ENV RUNNER_TEMP=/tmp/github_runner