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

@@ -1,38 +1,34 @@
+import {describe, expect, it} from '@jest/globals';
 import * as context from '../src/context';
 
 describe('getInputList', () => {
   it('handles single line correctly', async () => {
     await setInput('foo', 'bar');
     const res = await context.getInputList('foo');
-    console.log(res);
     expect(res).toEqual(['bar']);
   });
 
   it('handles multiple lines correctly', async () => {
     setInput('foo', 'bar\nbaz');
     const res = await context.getInputList('foo');
-    console.log(res);
     expect(res).toEqual(['bar', 'baz']);
   });
 
   it('handles comma correctly', async () => {
     setInput('foo', 'bar,baz');
     const res = await context.getInputList('foo');
-    console.log(res);
     expect(res).toEqual(['bar', 'baz']);
   });
 
   it('handles different new lines correctly', async () => {
     setInput('foo', 'bar\r\nbaz');
     const res = await context.getInputList('foo');
-    console.log(res);
     expect(res).toEqual(['bar', 'baz']);
   });
 
   it('handles different new lines and comma correctly', async () => {
     setInput('foo', 'bar\r\nbaz,bat');
     const res = await context.getInputList('foo');
-    console.log(res);
     expect(res).toEqual(['bar', 'baz', 'bat']);
   });
 });

__tests__/labeler.test.ts

@@ -1,3 +1,4 @@
+import {describe, expect, test} from '@jest/globals';
 import {Inputs} from '../src/context';
 import {Labeler, LabelStatus} from '../src/labeler';
 

codecov.yml

@@ -0,0 +1,3 @@
+comment: false
+github_checks:
+  annotations: false

dev.Dockerfile

@@ -0,0 +1,73 @@
+# syntax=docker/dockerfile:1
+
+ARG NODE_VERSION=12
+
+FROM node:${NODE_VERSION}-alpine AS base
+RUN apk add --no-cache cpio findutils git
+WORKDIR /src
+
+FROM base AS deps
+RUN --mount=type=bind,target=.,rw \
+  --mount=type=cache,target=/src/node_modules \
+  yarn install && mkdir /vendor && cp yarn.lock /vendor
+
+FROM scratch AS vendor-update
+COPY --from=deps /vendor /
+
+FROM deps AS vendor-validate
+RUN --mount=type=bind,target=.,rw <<EOT
+set -e
+git add -A
+cp -rf /vendor/* .
+if [ -n "$(git status --porcelain -- yarn.lock)" ]; then
+  echo >&2 'ERROR: Vendor result differs. Please vendor your package with "docker buildx bake vendor-update"'
+  git status --porcelain -- yarn.lock
+  exit 1
+fi
+EOT
+
+FROM deps AS build
+RUN --mount=type=bind,target=.,rw \
+  --mount=type=cache,target=/src/node_modules \
+  yarn run build && mkdir /out && cp -Rf dist /out/
+
+FROM scratch AS build-update
+COPY --from=build /out /
+
+FROM build AS build-validate
+RUN --mount=type=bind,target=.,rw <<EOT
+set -e
+git add -A
+cp -rf /out/* .
+if [ -n "$(git status --porcelain -- dist)" ]; then
+  echo >&2 'ERROR: Build result differs. Please build first with "docker buildx bake build"'
+  git status --porcelain -- dist
+  exit 1
+fi
+EOT
+
+FROM deps AS format
+RUN --mount=type=bind,target=.,rw \
+  --mount=type=cache,target=/src/node_modules \
+  yarn run format \
+  && mkdir /out && find . -name '*.ts' -not -path './node_modules/*' | cpio -pdm /out
+
+FROM scratch AS format-update
+COPY --from=format /out /
+
+FROM deps AS lint
+RUN --mount=type=bind,target=.,rw \
+  --mount=type=cache,target=/src/node_modules \
+  yarn run lint
+
+FROM deps AS test
+ENV RUNNER_TEMP=/tmp/github_runner
+ENV RUNNER_TOOL_CACHE=/tmp/github_tool_cache
+ARG GITHUB_REPOSITORY
+RUN --mount=type=bind,target=.,rw \
+  --mount=type=cache,target=/src/node_modules \
+  --mount=type=secret,id=GITHUB_TOKEN \
+    GITHUB_TOKEN=$(cat /run/secrets/GITHUB_TOKEN) yarn run test --coverageDirectory=/tmp/coverage
+
+FROM scratch AS test-coverage
+COPY --from=test /tmp/coverage /