Make node-fetch available

README.md

@@ -18,6 +18,7 @@ The following arguments will be provided:
 - `glob` A reference to the [@actions/glob](https://github.com/actions/toolkit/tree/main/packages/glob) package
 - `io` A reference to the [@actions/io](https://github.com/actions/toolkit/tree/main/packages/io) package
 - `exec` A reference to the [@actions/exec](https://github.com/actions/toolkit/tree/main/packages/exec) package
+- `fetch` A reference to the [node-fetch](https://github.com/node-fetch/node-fetch) package
 - `require` A proxy wrapper around the normal Node.js `require` to enable
   requiring relative paths (relative to the current working directory) and
   requiring npm packages installed in the current working directory. If for

package.json

@@ -39,10 +39,12 @@
     "@octokit/core": "^3.5.1",
     "@octokit/plugin-paginate-rest": "^2.17.0",
     "@octokit/plugin-rest-endpoint-methods": "^6.3.0",
-    "@octokit/plugin-retry": "^3.0.9"
+    "@octokit/plugin-retry": "^3.0.9",
+    "node-fetch": "^2.6.7"
   },
   "devDependencies": {
     "@types/jest": "^27.0.2",
+    "@types/node-fetch": "^2.6.2",
     "@typescript-eslint/eslint-plugin": "^3.10.1",
     "@typescript-eslint/parser": "^3.10.1",
     "@vercel/ncc": "^0.36.0",

src/async-function.ts

@@ -4,6 +4,7 @@ import {Context} from '@actions/github/lib/context'
 import {GitHub} from '@actions/github/lib/utils'
 import * as glob from '@actions/glob'
 import * as io from '@actions/io'
+import fetch from 'node-fetch'
 
 const AsyncFunction = Object.getPrototypeOf(async () => null).constructor
 
@@ -14,6 +15,7 @@ type AsyncFunctionArguments = {
   exec: typeof exec
   glob: typeof glob
   io: typeof io
+  fetch: typeof fetch
   require: NodeRequire
   __original_require__: NodeRequire
 }

src/main.ts

@@ -9,6 +9,7 @@ import {RequestRequestOptions} from '@octokit/types'
 import {callAsyncFunction} from './async-function'
 import {getRetryOptions, parseNumberArray, RetryOptions} from './retry-options'
 import {wrapRequire} from './wrap-require'
+import fetch from 'node-fetch'
 
 process.on('unhandledRejection', handleError)
 main().catch(handleError)
@@ -56,7 +57,8 @@ async function main(): Promise<void> {
       core,
       exec,
       glob,
-      io
+      io,
+      fetch
     },
     script
   )