Initial commit

src/main.ts

@@ -0,0 +1,19 @@
+import * as core from '@actions/core'
+import {wait} from './wait'
+
+async function run(): Promise<void> {
+  try {
+    const ms: string = core.getInput('milliseconds')
+    core.debug(`Waiting ${ms} milliseconds ...`) // debug is only output if you set the secret `ACTIONS_RUNNER_DEBUG` to true
+
+    core.debug(new Date().toTimeString())
+    await wait(parseInt(ms, 10))
+    core.debug(new Date().toTimeString())
+
+    core.setOutput('time', new Date().toTimeString())
+  } catch (error) {
+    core.setFailed(error.message)
+  }
+}
+
+run()

src/wait.ts

@@ -0,0 +1,9 @@
+export async function wait(milliseconds: number): Promise<string> {
+  return new Promise(resolve => {
+    if (isNaN(milliseconds)) {
+      throw new Error('milliseconds not a number')
+    }
+
+    setTimeout(() => resolve('done!'), milliseconds)
+  })
+}