Merge pull request #135 from actions/wrap-require

Support installed npm modules and relative require

Author: jclem

.github/workflows/integration.yml

@@ -2,13 +2,15 @@ name: Integration
 
 on:
   push: {branches: main}
+  pull_request: {branches: main}
 
 jobs:
-  integration:
+  test-return:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v2
       - id: output-set
-        uses: actions/github-script@main
+        uses: ./
         with:
           script: return core.getInput('input-value')
           result-encoding: string
@@ -17,3 +19,39 @@ jobs:
           if [[ "${{steps.output-set.outputs.result}}" != "output" ]]; then
             exit 1
           fi
+
+  test-relative-require:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - id: output-set
+        uses: ./
+        with:
+          script: return require('./package.json').name
+          result-encoding: string
+          input-value: output
+      - run: |
+          if [[ "${{steps.output-set.outputs.result}}" != "github-script" ]]; then
+            exit 1
+          fi
+
+  test-npm-require:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/.npm
+          key: ${{runner.os}}-npm-${{hashFiles('**/package-lock.json')}}
+          restore-keys: ${{runner.os}}-npm-
+      - run: npm ci
+      - id: output-set
+        uses: ./
+        with:
+          script: return require('@actions/core/package.json').name
+          result-encoding: string
+          input-value: output
+      - run: |
+          if [[ "${{steps.output-set.outputs.result}}" != "@actions/core" ]]; then
+            exit 1
+          fi

README.md

@@ -18,6 +18,12 @@ arguments will be provided:
 - `core` A reference to the [@actions/core](https://github.com/actions/toolkit/tree/main/packages/core) package
 - `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
+- `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
+  some reason you need the non-wrapped `require`, there is an escape hatch
+  available: `__original_require__` is the original value of `require` without
+  our wrapping applied.
 
 Since the `script` is just a function body, these values will already be
 defined, so you don't have to (see examples below).
@@ -38,7 +44,7 @@ The return value of the script will be in the step's outputs under the
 "result" key.
 
 ```yaml
-- uses: actions/github-script@v3
+- uses: actions/github-script@v4
   id: set-result
   with:
     script: return "Hello!"
@@ -57,7 +63,7 @@ output of a github-script step. For some workflows, string encoding is preferred
 `result-encoding` input:
 
 ```yaml
-- uses: actions/github-script@v3
+- uses: actions/github-script@v4
   id: my-script
   with:
     github-token: ${{secrets.GITHUB_TOKEN}}
@@ -76,7 +82,7 @@ By default, github-script will use the token provided to your workflow.
 
 ```yaml
 - name: View context attributes
-  uses: actions/github-script@v3
+  uses: actions/github-script@v4
   with:
     script: console.log(context)
 ```
@@ -92,7 +98,7 @@ jobs:
   comment:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -115,7 +121,7 @@ jobs:
   apply-label:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -136,7 +142,7 @@ jobs:
   welcome:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -180,7 +186,7 @@ jobs:
   diff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -205,7 +211,7 @@ jobs:
   list-issues:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -240,15 +246,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           script: |
-            const script = require(`${process.env.GITHUB_WORKSPACE}/path/to/script.js`)
+            const script = require('./path/to/script.js')
             console.log(script({github, context}))
 ```
 
-_Note that the script path given to `require()` must be an **absolute path** in this case, hence using [`GITHUB_WORKSPACE`](https://docs.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables)._
-
 And then export a function from your module:
 
 ```javascript
@@ -280,26 +284,26 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         env:
-          SHA: "${{env.parentSHA}}"
+          SHA: '${{env.parentSHA}}'
         with:
           script: |
-            const script = require(`${process.env.GITHUB_WORKSPACE}/path/to/script.js`)
+            const script = require('./path/to/script.js')
             await script({github, context, core})
 ```
 
 And then export an async function from your module:
 
 ```javascript
-module.exports = async ({ github, context, core }) => {
-    const { SHA } = process.env
-    const commit = await github.repos.getCommit({
-        owner: context.repo.owner,
-        repo: context.repo.repo,
-        ref: `${SHA}`
-    })
-    core.exportVariable('author', commit.data.commit.author.email);
+module.exports = async ({github, context, core}) => {
+  const {SHA} = process.env
+  const commit = await github.repos.getCommit({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    ref: `${SHA}`
+  })
+  core.exportVariable('author', commit.data.commit.author.email)
 }
 ```
 
@@ -321,10 +325,10 @@ jobs:
       - run: npm ci
       # or one-off:
       - run: npm install execa
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         with:
           script: |
-            const execa = require(`${process.env.GITHUB_WORKSPACE}/node_modules/execa`)
+            const execa = require('execa')
 
             const { stdout } = await execa('echo', ['hello', 'world'])
 
@@ -342,7 +346,7 @@ jobs:
   echo-input:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v3
+      - uses: actions/github-script@v4
         env:
           FIRST_NAME: Mona
           LAST_NAME: Octocat

dist/index.js

@@ -2883,6 +2883,43 @@ function escapeProperty(s) {
 
 module.exports = require("assert");
 
+/***/ }),
+
+/***/ 366:
+/***/ (function(__unusedmodule, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "wrapRequire", function() { return wrapRequire; });
+/* harmony import */ var path__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(622);
+/* harmony import */ var path__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(path__WEBPACK_IMPORTED_MODULE_0__);
+
+const wrapRequire = new Proxy(require, {
+    apply: (target, thisArg, [moduleID]) => {
+        if (moduleID.startsWith('.')) {
+            moduleID = path__WEBPACK_IMPORTED_MODULE_0__.resolve(moduleID);
+            return target.apply(thisArg, [moduleID]);
+        }
+        try {
+            return target.apply(thisArg, [moduleID]);
+        }
+        catch (err) {
+            const modulePath = target.resolve.apply(thisArg, [
+                moduleID,
+                {
+                    // Webpack does not have an escape hatch for getting the actual
+                    // module, other than `eval`.
+                    paths: eval('module').paths.concat(process.cwd())
+                }
+            ]);
+            return target.apply(thisArg, [modulePath]);
+        }
+    },
+    get: (target, prop, receiver) => {
+        Reflect.get(target, prop, receiver);
+    }
+});
+
+
 /***/ }),
 
 /***/ 413:
@@ -6121,12 +6158,16 @@ function callAsyncFunction(args, source) {
     return fn(...Object.values(args));
 }
 
+// EXTERNAL MODULE: ./src/wrap-require.ts
+var wrap_require = __webpack_require__(366);
+
 // CONCATENATED MODULE: ./src/main.ts
 
 
 
 
 
+
 process.on('unhandledRejection', handleError);
 main().catch(handleError);
 async function main() {
@@ -6144,7 +6185,15 @@ async function main() {
     const github = Object(lib_github.getOctokit)(token, opts);
     const script = Object(core.getInput)('script', { required: true });
     // Using property/value shorthand on `require` (e.g. `{require}`) causes compilation errors.
-    const result = await callAsyncFunction({ require: __webpack_require__(875), github, context: lib_github.context, core: core, glob: glob, io: io }, script);
+    const result = await callAsyncFunction({
+        require: wrap_require.wrapRequire,
+        __original_require__: require,
+        github,
+        context: lib_github.context,
+        core: core,
+        glob: glob,
+        io: io
+    }, script);
     let encoding = Object(core.getInput)('result-encoding');
     encoding = encoding ? encoding : 'json';
     let output;
@@ -6901,25 +6950,6 @@ function expand(str, isTop) {
 
 
 
-/***/ }),
-
-/***/ 875:
-/***/ (function(module) {
-
-function webpackEmptyContext(req) {
-	if (typeof req === 'number' && __webpack_require__.m[req])
-  return __webpack_require__(req);
-try { return require(req) }
-catch (e) { if (e.code !== 'MODULE_NOT_FOUND') throw e }
-var e = new Error("Cannot find module '" + req + "'");
-	e.code = 'MODULE_NOT_FOUND';
-	throw e;
-}
-webpackEmptyContext.keys = function() { return []; };
-webpackEmptyContext.resolve = webpackEmptyContext;
-module.exports = webpackEmptyContext;
-webpackEmptyContext.id = 875;
-
 /***/ }),
 
 /***/ 877:
@@ -8743,14 +8773,15 @@ function regExpEscape (s) {
 /******/ function(__webpack_require__) { // webpackRuntimeModules
 /******/ 	"use strict";
 /******/ 
-/******/ 	/* webpack/runtime/make namespace object */
+/******/ 	/* webpack/runtime/compat get default export */
 /******/ 	!function() {
-/******/ 		// define __esModule on exports
-/******/ 		__webpack_require__.r = function(exports) {
-/******/ 			if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
-/******/ 				Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
-/******/ 			}
-/******/ 			Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 		// getDefaultExport function for compatibility with non-harmony modules
+/******/ 		__webpack_require__.n = function(module) {
+/******/ 			var getter = module && module.__esModule ?
+/******/ 				function getDefault() { return module['default']; } :
+/******/ 				function getModuleExports() { return module; };
+/******/ 			__webpack_require__.d(getter, 'a', getter);
+/******/ 			return getter;
 /******/ 		};
 /******/ 	}();
 /******/ 	
@@ -8765,6 +8796,17 @@ function regExpEscape (s) {
 /******/ 		};
 /******/ 	}();
 /******/ 	
+/******/ 	/* webpack/runtime/make namespace object */
+/******/ 	!function() {
+/******/ 		// define __esModule on exports
+/******/ 		__webpack_require__.r = function(exports) {
+/******/ 			if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 				Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 			}
+/******/ 			Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 		};
+/******/ 	}();
+/******/ 	
 /******/ 	/* webpack/runtime/create fake namespace object */
 /******/ 	!function() {
 /******/ 		// create a fake namespace object
@@ -8784,17 +8826,5 @@ function regExpEscape (s) {
 /******/ 		};
 /******/ 	}();
 /******/ 	
-/******/ 	/* webpack/runtime/compat get default export */
-/******/ 	!function() {
-/******/ 		// getDefaultExport function for compatibility with non-harmony modules
-/******/ 		__webpack_require__.n = function(module) {
-/******/ 			var getter = module && module.__esModule ?
-/******/ 				function getDefault() { return module['default']; } :
-/******/ 				function getModuleExports() { return module; };
-/******/ 			__webpack_require__.d(getter, 'a', getter);
-/******/ 			return getter;
-/******/ 		};
-/******/ 	}();
-/******/ 	
 /******/ }
 );

package.json

@@ -1,7 +1,7 @@
 {
   "name": "github-script",
   "description": "A GitHub action for executing a simple script",
-  "version": "3.1.1",
+  "version": "4.0.0",
   "author": "GitHub",
   "license": "MIT",
   "main": "dist/index.js",