Initial commit

src/index.js

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+/**
+ * The entrypoint for the action.
+ */
+const { run } = require('./main')
+
+run()

src/main.js

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+const core = require('@actions/core')
+const { wait } = require('./wait')
+
+/**
+ * The main function for the action.
+ * @returns {Promise<void>} Resolves when the action is complete.
+ */
+async function run() {
+  try {
+    const ms = core.getInput('milliseconds', { required: true })
+
+    // Debug logs are only output if the `ACTIONS_STEP_DEBUG` secret is true
+    core.debug(`Waiting ${ms} milliseconds ...`)
+
+    // Log the current timestamp, wait, then log the new timestamp
+    core.debug(new Date().toTimeString())
+    await wait(parseInt(ms, 10))
+    core.debug(new Date().toTimeString())
+
+    // Set outputs for other workflow steps to use
+    core.setOutput('time', new Date().toTimeString())
+  } catch (error) {
+    // Fail the workflow run if an error occurs
+    core.setFailed(error.message)
+  }
+}
+
+module.exports = {
+  run
+}

src/wait.js

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+/**
+ * Wait for a number of milliseconds.
+ *
+ * @param {number} milliseconds The number of milliseconds to wait.
+ * @returns {Promise<string>} Resolves with 'done!' after the wait is over.
+ */
+async function wait(milliseconds) {
+  return new Promise(resolve => {
+    if (isNaN(milliseconds)) {
+      throw new Error('milliseconds not a number')
+    }
+
+    setTimeout(() => resolve('done!'), milliseconds)
+  })
+}
+
+module.exports = { wait }