Initial Commit

packages/hooklib/src/utils.ts

@@ -0,0 +1,44 @@
+import * as core from '@actions/core'
+import * as events from 'events'
+import * as fs from 'fs'
+import * as os from 'os'
+import * as readline from 'readline'
+import { HookData } from './interfaces'
+
+export async function getInputFromStdin(): Promise<HookData> {
+  let input = ''
+
+  const rl = readline.createInterface({
+    input: process.stdin
+  })
+
+  rl.on('line', line => {
+    core.debug(`Line from STDIN: ${line}`)
+    input = line
+  })
+  await events.default.once(rl, 'close')
+  const inputJson = JSON.parse(input)
+  return inputJson as HookData
+}
+
+export function writeToResponseFile(filePath: string, message: any): void {
+  if (!filePath) {
+    throw new Error(`Expected file path`)
+  }
+  if (!fs.existsSync(filePath)) {
+    throw new Error(`Missing file at path: ${filePath}`)
+  }
+
+  fs.appendFileSync(filePath, `${toCommandValue(message)}${os.EOL}`, {
+    encoding: 'utf8'
+  })
+}
+
+function toCommandValue(input: any): string {
+  if (input === null || input === undefined) {
+    return ''
+  } else if (typeof input === 'string' || input instanceof String) {
+    return input as string
+  }
+  return JSON.stringify(input)
+}