Create/Update check run

.gitignore

@@ -96,4 +96,4 @@ Thumbs.db
 
 # Ignore built ts files
 __tests__/runner/*
-lib/**/*
+lib

README.md

@@ -1,7 +1,21 @@
 # GitHub Actions: `checks-action` ![build-test](https://github.com/LouisBrunner/checks-action/workflows/build-test/badge.svg)
 
-TODO: description
+TODO: description & usage
 
-# Usage
+## Inputs
 
-TODO: usage
+### `who-to-greet`
+
+**Required** The name of the person to greet. Default `"World"`.
+
+## Outputs
+
+### `time`
+
+The time we greeted you.
+
+## Example usage
+
+uses: actions/hello-world-javascript-action@v1
+with:
+  who-to-greet: 'Mona the Octocat'

__tests__/main.test.ts

@@ -5,7 +5,7 @@ import * as path from 'path'
 // shows how the runner will run a javascript action with env / stdout protocol
 test('test runs', () => {
   process.env['TOKEN'] = 'ABC'
-  const ip = path.join(__dirname, '..', 'dist', 'index.js')
+  const ip = path.join(__dirname, '..', 'lib', 'main.js')
   const options: cp.ExecSyncOptions = {
     env: process.env,
   }

src/main.ts

@@ -9,14 +9,33 @@ async function run(): Promise<void> {
     core.debug(`Setting up OctoKit`)
     const octokit = new github.GitHub(token)
 
-    const checkRuns = octokit.checks.listForRef({
+    const ownership = {
       owner: github.context.repo.owner,
       repo: github.context.repo.repo,
+    }
+
+    const info = { // TODO: from argument
+    }
+
+    const { data } = await octokit.checks.listForRef({
+      ...ownership,
       ref: github.context.sha,
     })
-    core.info(JSON.stringify(checkRuns))
 
-    // TODO: finish
+    if (data.check_runs.length > 0) {
+      octokit.checks.update({
+        ...ownership,
+        check_run_id: data.check_runs[0].id,
+        ...info,
+      })
+    } else {
+      octokit.checks.create({
+        ...ownership,
+        head_sha: github.context.sha,
+        name: 'Check Run Test', // TODO: from argument
+        ...info,
+      })
+    }
   } catch (error) {
     core.setFailed(error.message)
   }