Refactor to use @actions/core instead of deprecated actions-toolkit

.prettierrc

@@ -0,0 +1,5 @@
+{
+  "printWidth": 120,
+  "semi": false,
+  "singleQuote": true
+}

index.test.js → __tests__/action.test.js

@@ -1,29 +1,13 @@
 const nock = require('nock')
 const fs = require('fs')
-const { Toolkit } = require('actions-toolkit')
+const action = require('../src/action')
 
 nock.disableNetConnect()
 
-describe('branch-autolabeler', () => {
-  let action, tools
-
-  // Mock Toolkit.run to define `action` so we can call it
-  Toolkit.run = jest.fn(actionFn => {
-    action = actionFn
-  })
-  // Load up our entrypoint file
-  require('.')
-
-  beforeEach(() => {
-    // Create a new Toolkit instance
-    tools = new Toolkit()
-    // Mock methods on it!
-    tools.exit.success = jest.fn()
-  })
-
+describe('pr-labeler-action', () => {
   it('adds the "fix" label for "fix/510-logging" branch', async () => {
     nock('https://api.github.com')
-      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml')
+      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml?ref=fix%2F510-logging')
       .reply(200, configFixture())
       .post('/repos/Codertocat/Hello-World/issues/1/labels', body => {
         expect(body).toMatchObject({
@@ -33,16 +17,15 @@ describe('branch-autolabeler', () => {
       })
       .reply(200)
 
-    tools.context.payload = pullRequestOpenedFixture({ ref: 'fix/510-logging' })
-
-    await action(tools)
-    expect(tools.exit.success).toHaveBeenCalled()
-    expect.assertions(2)
+    await action({
+      payload: pullRequestOpenedFixture({ ref: 'fix/510-logging' })
+    })
+    expect.assertions(1)
   })
 
   it('adds the "feature" label for "feature/sign-in-page/101" branch', async () => {
     nock('https://api.github.com')
-      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml')
+      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml?ref=feature%2Fsign-in-page%2F101')
       .reply(200, configFixture())
       .post('/repos/Codertocat/Hello-World/issues/1/labels', body => {
         expect(body).toMatchObject({
@@ -52,18 +35,15 @@ describe('branch-autolabeler', () => {
       })
       .reply(200)
 
-    tools.context.payload = pullRequestOpenedFixture({
-      ref: 'feature/sign-in-page/101'
+    await action({
+      payload: pullRequestOpenedFixture({ ref: 'feature/sign-in-page/101' })
     })
-
-    await action(tools)
-    expect(tools.exit.success).toHaveBeenCalled()
-    expect.assertions(2)
+    expect.assertions(1)
   })
 
   it('uses the default config when no config was provided', async () => {
     nock('https://api.github.com')
-      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml')
+      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml?ref=fix%2F510-logging')
       .reply(404)
       .post('/repos/Codertocat/Hello-World/issues/1/labels', body => {
         expect(body).toMatchObject({
@@ -73,26 +53,24 @@ describe('branch-autolabeler', () => {
       })
       .reply(200)
 
-    tools.context.payload = pullRequestOpenedFixture({ ref: 'fix/510-logging' })
-
-    await action(tools)
-    expect(tools.exit.success).toHaveBeenCalled()
-    expect.assertions(2)
+    await action({
+      payload: pullRequestOpenedFixture({ ref: 'fix/510-logging' })
+    })
+    expect.assertions(1)
   })
 
   it("adds no labels if the branch doesn't match any patterns", async () => {
     nock('https://api.github.com')
-      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml')
+      .get('/repos/Codertocat/Hello-World/contents/.github/pr-labeler.yml?ref=hello_world')
       .reply(200, configFixture())
       .post('/repos/Codertocat/Hello-World/issues/1/labels', body => {
         throw new Error("Shouldn't edit labels")
       })
       .reply(200)
 
-    tools.context.payload = pullRequestOpenedFixture({ ref: 'hello_world' })
-
-    await action(tools)
-    expect(tools.exit.success).toHaveBeenCalled()
+    await action({
+      payload: pullRequestOpenedFixture({ ref: 'hello_world' })
+    })
   })
 })
 
@@ -109,21 +87,14 @@ function configFixture(fileName = 'config.yml') {
     path: `.github/${fileName}`,
     content: encodeContent(fs.readFileSync(`./fixtures/${fileName}`)),
     sha: '3d21ec53a331a6f037a91c368710b99387d012c1',
-    url:
-      'https://api.github.com/repos/octokit/octokit.rb/contents/.github/release-drafter.yml',
-    git_url:
-      'https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1',
-    html_url:
-      'https://github.com/octokit/octokit.rb/blob/master/.github/release-drafter.yml',
-    download_url:
-      'https://raw.githubusercontent.com/octokit/octokit.rb/master/.github/release-drafter.yml',
+    url: 'https://api.github.com/repos/octokit/octokit.rb/contents/.github/release-drafter.yml',
+    git_url: 'https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1',
+    html_url: 'https://github.com/octokit/octokit.rb/blob/master/.github/release-drafter.yml',
+    download_url: 'https://raw.githubusercontent.com/octokit/octokit.rb/master/.github/release-drafter.yml',
     _links: {
-      git:
-        'https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1',
-      self:
-        'https://api.github.com/repos/octokit/octokit.rb/contents/.github/release-drafter.yml',
-      html:
-        'https://github.com/octokit/octokit.rb/blob/master/.github/release-drafter.yml'
+      git: 'https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1',
+      self: 'https://api.github.com/repos/octokit/octokit.rb/contents/.github/release-drafter.yml',
+      html: 'https://github.com/octokit/octokit.rb/blob/master/.github/release-drafter.yml'
     }
   }
 }

action.yml

@@ -5,5 +5,5 @@ branding:
   icon: 'tag'
   color: 'white'
 runs:
-  using: 'docker'
-  image: 'Dockerfile'
+  using: 'node12'
+  main: 'index.js'

index.js

@@ -1,50 +1,27 @@
-const { Toolkit } = require('actions-toolkit')
-const getConfig = require('./utils/config')
-const matcher = require('matcher')
+const distPath = './dist/index.js'
+const errorMessage = `ERROR: since pr-labeler-action v3, binding to the master version is no longer supported. Please update .github/workflows/pr-labeler.yml to bind to a major version.
 
-const CONFIG_FILENAME = 'pr-labeler.yml'
-const defaults = {
-  feature: ['feature/*', 'feat/*'],
-  fix: 'fix/*',
-  chore: 'chore/*'
-}
-
-Toolkit.run(
-  async tools => {
-    const repoInfo = {
-      owner: tools.context.payload.repository.owner.login,
-      repo: tools.context.payload.repository.name
-    }
-    const ref = tools.context.payload.pull_request.head.ref
-    const config = {
-      ...defaults,
-      ...(await getConfig(tools.github, CONFIG_FILENAME, repoInfo, ref))
-    }
+You can do so by changing:
+- uses: TimonVS/pr-labeler-action@master
 
-    const labelsToAdd = Object.entries(config).reduce(
-      (labels, [label, patterns]) => {
-        if (
-          Array.isArray(patterns)
-            ? patterns.some(pattern => matcher.isMatch(ref, pattern))
-            : matcher.isMatch(ref, patterns)
-        ) {
-          labels.push(label)
-        }
+To:
+- uses: TimonVS/pr-labeler-action@v3
 
-        return labels
-      },
-      []
-    )
+Please check the repository (https://github.com/TimonVS/pr-labeler-action) for the latest version.
+`
 
-    if (labelsToAdd.length > 0) {
-      await tools.github.issues.addLabels({
-        number: tools.context.payload.pull_request.number,
-        labels: labelsToAdd,
-        ...repoInfo
-      })
-    }
+try {
+  require(distPath)
+} catch (error) {
+  if (error.code !== 'MODULE_NOT_FOUND') {
+    // Re-throw not "Module not found" errors
+    throw error
+  }
+  if (error.message.indexOf(distPath) === -1) {
+    // Re-throw not found errors for other modules
+    throw error
+  }
 
-    tools.exit.success()
-  },
-  { event: 'pull_request.opened', secrets: ['GITHUB_TOKEN'] }
-)
+  console.error(errorMessage)
+  throw error
+}