feat: add support for windows and macos jobs

BREAKING CHANGE: The action implementation move from container action to node.js action Co-authored-by: Romain Lespinasse <romain.lespinasse@gmail.com>
2026-05-17 10:25:08 +00:00 · 2020-09-26 09:07:49 +02:00
parent 6efa53ebca
commit 13c2f38dad
32 changed files with 16064 additions and 854 deletions
--- a/.eslintignore
+++ b/.eslintignore
@@ -0,0 +1,3 @@
+dist/
+lib/
+node_modules/
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -0,0 +1,54 @@
+{
+    "plugins": ["jest", "@typescript-eslint"],
+    "extends": ["plugin:github/recommended"],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+      "ecmaVersion": 9,
+      "sourceType": "module",
+      "project": "./tsconfig.json"
+    },
+    "rules": {
+      "eslint-comments/no-use": "off",
+      "import/no-namespace": "off",
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": "error",
+      "@typescript-eslint/explicit-member-accessibility": ["error", {"accessibility": "no-public"}],
+      "@typescript-eslint/no-require-imports": "error",
+      "@typescript-eslint/array-type": "error",
+      "@typescript-eslint/await-thenable": "error",
+      "@typescript-eslint/ban-ts-comment": "error",
+      "camelcase": "off",
+      "@typescript-eslint/consistent-type-assertions": "error",
+      "@typescript-eslint/explicit-function-return-type": ["error", {"allowExpressions": true}],
+      "@typescript-eslint/func-call-spacing": ["error", "never"],
+      "@typescript-eslint/no-array-constructor": "error",
+      "@typescript-eslint/no-empty-interface": "error",
+      "@typescript-eslint/no-explicit-any": "error",
+      "@typescript-eslint/no-extraneous-class": "error",
+      "@typescript-eslint/no-for-in-array": "error",
+      "@typescript-eslint/no-inferrable-types": "error",
+      "@typescript-eslint/no-misused-new": "error",
+      "@typescript-eslint/no-namespace": "error",
+      "@typescript-eslint/no-non-null-assertion": "warn",
+      "@typescript-eslint/no-unnecessary-qualifier": "error",
+      "@typescript-eslint/no-unnecessary-type-assertion": "error",
+      "@typescript-eslint/no-useless-constructor": "error",
+      "@typescript-eslint/no-var-requires": "error",
+      "@typescript-eslint/prefer-for-of": "warn",
+      "@typescript-eslint/prefer-function-type": "warn",
+      "@typescript-eslint/prefer-includes": "error",
+      "@typescript-eslint/prefer-string-starts-ends-with": "error",
+      "@typescript-eslint/promise-function-async": "error",
+      "@typescript-eslint/require-array-sort-compare": "error",
+      "@typescript-eslint/restrict-plus-operands": "error",
+      "semi": "off",
+      "@typescript-eslint/semi": ["error", "never"],
+      "@typescript-eslint/type-annotation-spacing": "error",
+      "@typescript-eslint/unbound-method": "error"
+    },
+    "env": {
+      "node": true,
+      "es6": true,
+      "jest/globals": true
+    }
+  }
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -0,0 +1,9 @@
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: 'npm'
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: '/'
+    # Check the npm registry for updates every day (weekdays)
+    schedule:
+      interval: 'daily'
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,13 +1,15 @@
 name: Build
 on: [push, pull_request]
+
 jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v1
-      - uses: docker://ffurrer/bats:latest
-        with:
-          args: "--recursive ."
+      - uses: actions/checkout@v2
+      - run: |
+          npm ci
+      - run: |
+          npm run all
      - uses: cycjimmy/semantic-release-action@v2
        with:
          semantic_version: 17.0.7
@@ -21,3 +23,43 @@ jobs:
            @semantic-release/git@9.0.0
        env:
          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+  test: # make sure the action works on a clean machine without building
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./
+      - run: |
+          echo $GITHUB_REPOSITORY_SLUG
+          echo $GITHUB_REPOSITORY_SLUG_URL
+          echo $GITHUB_REF_SLUG
+          echo $GITHUB_HEAD_REF_SLUG
+          echo $GITHUB_BASE_REF_SLUG
+          echo $GITHUB_EVENT_REF_SLUG
+          echo $GITHUB_REF_SLUG_URL
+          echo $GITHUB_HEAD_REF_SLUG_URL
+          echo $GITHUB_BASE_REF_SLUG_URL
+          echo $GITHUB_EVENT_REF_SLUG_URL
+          echo $GITHUB_SHA_SHORT
+
+  test-win:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./
+      - run: |
+          echo $env:GITHUB_REPOSITORY_SLUG
+          echo $env:GITHUB_REPOSITORY_SLUG_URL
+          echo $env:GITHUB_REF_SLUG
+          echo $env:GITHUB_HEAD_REF_SLUG
+          echo $env:GITHUB_BASE_REF_SLUG
+          echo $env:GITHUB_EVENT_REF_SLUG
+          echo $env:GITHUB_REF_SLUG_URL
+          echo $env:GITHUB_HEAD_REF_SLUG_URL
+          echo $env:GITHUB_BASE_REF_SLUG_URL
+          echo $env:GITHUB_EVENT_REF_SLUG_URL
+          echo $env:GITHUB_SHA_SHORT
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,99 @@
-node_modules/
+# Dependency directory
+node_modules
+
+# Rest pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# OS metadata
+.DS_Store
+Thumbs.db
+
+# Ignore built ts files
+__tests__/runner/*
+lib/**/*
--- a/.prettierignore
+++ b/.prettierignore
@@ -0,0 +1,3 @@
+dist/
+lib/
+node_modules/
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -0,0 +1,10 @@
+{
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "bracketSpacing": false,
+  "arrowParens": "avoid"
+}
--- a/DEVELOPERS.md
+++ b/DEVELOPERS.md
@@ -0,0 +1,26 @@
+# Developers guide
+
+Install the dependencies
+
+```bash
+npm install
+```
+
+Build the typescript and package it for distribution
+
+```bash
+npm run build && npm run package
+```
+
+Run the tests
+
+```bash
+$ npm test
+
+ PASS  ./index.test.js
+  ✓ throws invalid number (3ms)
+  ✓ wait 500 ms (504ms)
+  ✓ test runs (95ms)
+
+...
+```
--- a/4
+++ b/4
@@ -1,4 +0,0 @@
-FROM alpine:3.10
-RUN apk add --no-cache jq
-COPY entrypoint.sh /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]
--- a/README.md
+++ b/README.md
@@ -114,13 +114,17 @@ In an URL, use `<GITHUB_VARIABLE>_SLUG_URL` instead of **<GITHUB_VARIABLE>\_SLUG
    ./deploy-application.sh --url "https://staging.app.mycompagny.com/${{ env.<GITHUB_VARIABLE>_SLUG }}"
 ```

+## Contribute
+
+Follow [Developers guide](DEVELOPERS.md)
+
 ## Troubleshooting

 ### Missing master branch

 If your workflow fail on the `Set up job` task with this kind of log :

-```
+```text
 Download action repository 'rlespinasse/github-slug-action@master'
 ##[error]An action could not be found at the URI 'https://api.github.com/repos/rlespinasse/github-slug-action/tarball/master'
 ```
@@ -129,11 +133,6 @@ Use the current branch `v2.x` or a version tag (see [releases pages][6]).

 The master branch EOL is set on **2020-10-25** after a 6-month deprecation period (more information on the [EOL issue][7])

-### Can't run on Windows or Macos
-
-When using this action on Windows or Macos workflows, A `##[error]Container action is only supported on Linux` error can be see in your workflow logs.
-Currently, this action don't support a system other than Linux due to Github Action Limitation on `Container`-based action.
-
 [1]: https://github.com/rlespinasse/github-slug-action/workflows/Build/badge.svg
 [2]: https://github.com/rlespinasse/github-slug-action/actions
 [3]: https://help.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
@@ -143,4 +142,3 @@ Currently, this action don't support a system other than Linux due to Github Act
 [7]: https://github.com/rlespinasse/github-slug-action/issues/15
 [8]: https://img.shields.io/endpoint?url=https%3A%2F%2Fapi-git-master.endbug.vercel.app%2Fapi%2Fgithub-actions%2Fused-by%3Faction%3Drlespinasse%2Fgithub-slug-action%26badge%3Dtrue
 [9]: https://github.com/search?o=desc&q=rlespinasse%2Frlespinasse/github-slug-action+path%3A.github%2Fworkflows+language%3AYAML&s=&type=Code
-
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -4,6 +4,7 @@

 | Version | Branch | Supported          |
 |---------|--------|--------------------|
+| 3.x     | v3.x   | :white_check_mark: |
 | 2.x     | v2.x   | :white_check_mark: |
 | 1.1.x   | v1.1.x | :white_check_mark: |
 | < 1.0.x | master | :x:                |
--- a/tests/shortsha.test.ts
+++ b/tests/shortsha.test.ts
@@ -0,0 +1,10 @@
+import {shortsha} from '../src/slug'
+
+function test_short_sha(input: string, expected: string) {
+  let actual = shortsha(input)
+  expect(actual).toEqual(expected)
+}
+
+test('short_sha: long hash', () => {
+  test_short_sha('a35a1a486a260cfd99c5b6f8c6034a2929ba9b3f', 'a35a1a48')
+})
--- a/tests/slug.test.ts
+++ b/tests/slug.test.ts
@@ -0,0 +1,48 @@
+import {slug} from '../src/slug'
+
+function test_slug(input: string, expected: string) {
+  let actual = slug(input)
+  expect(actual).toEqual(expected)
+}
+
+test('slug: a word', () => {
+  test_slug('word', 'word')
+})
+
+test('slug: a string', () => {
+  test_slug('basic-string', 'basic-string')
+})
+
+test('slug: a string in camel case', () => {
+  test_slug('camelCase', 'camelcase')
+})
+
+test('slug: a path', () => {
+  test_slug('path/to/something', 'path-to-something')
+})
+
+test('slug: a number', () => {
+  test_slug('4.2', '4.2')
+})
+
+test('slug: special caracter', () => {
+  test_slug('feat-(!è§-caracter', 'feat------caracter')
+})
+
+test('slug: trailing', () => {
+  test_slug('-feat-trailing-', 'feat-trailing')
+})
+
+test('slug: a very long string', () => {
+  test_slug(
+    'an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters',
+    'an-awesome-feature-very-very-very-very-very-very-very-long-more'
+  )
+})
+
+test('slug: short string after trailing', () => {
+  test_slug(
+    '-an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters-',
+    'an-awesome-feature-very-very-very-very-very-very-very-long-more'
+  )
+})
--- a/tests/slugref.test.ts
+++ b/tests/slugref.test.ts
@@ -0,0 +1,45 @@
+import {slugref} from '../src/slug'
+
+function test_slug_ref(input: string, expected: string) {
+  let actual = slugref(input)
+  expect(actual).toEqual(expected)
+}
+
+test('slug_ref:: master branch', () => {
+  test_slug_ref('refs/heads/master', 'master')
+})
+
+test('slug_ref: a feature branch', () => {
+  test_slug_ref('refs/heads/feat/new_feature', 'feat-new-feature')
+})
+
+test('slug_ref: a fix branch', () => {
+  test_slug_ref('refs/heads/fix/issue_number', 'fix-issue-number')
+})
+
+test('slug_ref: a simple tag', () => {
+  test_slug_ref('refs/tags/v1.0.0', 'v1.0.0')
+})
+
+test('slug_ref: a complex tag', () => {
+  test_slug_ref('refs/tags/product@1.0.0-rc.2', 'product-1.0.0-rc.2')
+})
+
+test('slug_ref: a reference with upper case letters', () => {
+  test_slug_ref('refs/heads/New_Awesome_Product', 'new-awesome-product')
+})
+
+test('slug_ref: test trailing', () => {
+  test_slug_ref('refs/heads/-trailing-feat-', 'trailing-feat')
+})
+
+test('slug_ref: test refs inside string', () => {
+  test_slug_ref('refs/heads/-refs/tags/feature/-', 'refs-tags-feature')
+})
+
+test('slug_ref: a very long name', () => {
+  test_slug_ref(
+    'refs/heads/an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters',
+    'an-awesome-feature-very-very-very-very-very-very-very-long-more'
+  )
+})
--- a/tests/slugurl.test.ts
+++ b/tests/slugurl.test.ts
@@ -0,0 +1,37 @@
+import {slugurl} from '../src/slug'
+
+function test_slug_url(input: string, expected: string) {
+  let actual = slugurl(input)
+  expect(actual).toEqual(expected)
+}
+
+test('slug_url: a word', () => {
+  test_slug_url('word', 'word')
+})
+
+test('slug_url: a string', () => {
+  test_slug_url('basic-string', 'basic-string')
+})
+
+test('slug_url: a string in camel case', () => {
+  test_slug_url('camelCase', 'camelcase')
+})
+
+test('slug_url: a path', () => {
+  test_slug_url('path/to/something', 'path-to-something')
+})
+
+test('slug_url: a number', () => {
+  test_slug_url('4.2', '4-2')
+})
+
+test('slug_url: trailing', () => {
+  test_slug_url('.path.to.', 'path-to')
+})
+
+test('slug_url: a very long string', () => {
+  test_slug_url(
+    'an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters',
+    'an-awesome-feature-very-very-very-very-very-very-very-long-more'
+  )
+})
--- a/tests/slugurlref.test.ts
+++ b/tests/slugurlref.test.ts
@@ -0,0 +1,45 @@
+import {slugurlref} from '../src/slug'
+
+function test_slug_url_ref(input: string, expected: string) {
+  let actual = slugurlref(input)
+  expect(actual).toEqual(expected)
+}
+
+test('slug_url_ref: master branch', () => {
+  test_slug_url_ref('refs/heads/master', 'master')
+})
+
+test('slug_url_ref: a feature branch', () => {
+  test_slug_url_ref('refs/heads/feat/new_feature', 'feat-new-feature')
+})
+
+test('slug_url_ref: a fix branch', () => {
+  test_slug_url_ref('refs/heads/fix/issue_number', 'fix-issue-number')
+})
+
+test('slug_url_ref: a simple tag', () => {
+  test_slug_url_ref('refs/tags/v1.0.0', 'v1-0-0')
+})
+
+test('slug_url_ref: a complex tag', () => {
+  test_slug_url_ref('refs/tags/product@1.0.0-rc.2', 'product-1-0-0-rc-2')
+})
+
+test('slug_url_ref: a reference with upper case letters', () => {
+  test_slug_url_ref('refs/heads/New_Awesome_Product', 'new-awesome-product')
+})
+
+test('slug_url_ref: a very long name', () => {
+  test_slug_url_ref(
+    'refs/heads/an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters',
+    'an-awesome-feature-very-very-very-very-very-very-very-long-more'
+  )
+})
+
+test('slug_url_ref: test trailing', () => {
+  test_slug_url_ref('refs/heads/-an-awesome-Feature-', 'an-awesome-feature')
+})
+
+test('slug_url_ref: test trailing with dot', () => {
+  test_slug_url_ref('refs/heads/.an-awesome-Feature.', 'an-awesome-feature')
+})
--- a/action.yml
+++ b/action.yml
@@ -1,9 +1,9 @@
-# action.yml
 name: "GitHub Slug"
 description: "Action to slug and expose some github variables"
+author: 'rlespinasse'
 runs:
-  using: "docker"
-  image: "Dockerfile"
+  using: 'node12'
+  main: 'dist/index.js'
 branding:
  icon: "crop"
  color: "orange"
--- a/dist/index.js
+++ b/dist/index.js
@@ -0,0 +1,600 @@
+require('./sourcemap-register.js');module.exports =
+/******/ (function(modules, runtime) { // webpackBootstrap
+/******/ 	"use strict";
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		var threw = true;
+/******/ 		try {
+/******/ 			modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/ 			threw = false;
+/******/ 		} finally {
+/******/ 			if(threw) delete installedModules[moduleId];
+/******/ 		}
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	__webpack_require__.ab = __dirname + "/";
+/******/
+/******/ 	// the startup function
+/******/ 	function startup() {
+/******/ 		// Load entry module and return exports
+/******/ 		return __webpack_require__(109);
+/******/ 	};
+/******/
+/******/ 	// run startup
+/******/ 	return startup();
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 87:
+/***/ (function(module) {
+
+module.exports = require("os");
+
+/***/ }),
+
+/***/ 109:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const core = __importStar(__webpack_require__(186));
+const slug_1 = __webpack_require__(565);
+/**
+ * Inputs environments variables keys from Github actions job
+ * see https://docs.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
+ */
+const GITHUB_REPOSITORY = 'GITHUB_REPOSITORY';
+const GITHUB_REF = 'GITHUB_REF';
+const GITHUB_HEAD_REF = 'GITHUB_HEAD_REF';
+const GITHUB_BASE_REF = 'GITHUB_BASE_REF';
+const GITHUB_SHA = 'GITHUB_SHA';
+const GITHUB_EVENT_PATH = 'GITHUB_EVENT_PATH';
+/**
+ * Slugged outputs environments variables keys
+ */
+const GITHUB_REPOSITORY_SLUG = 'GITHUB_REPOSITORY_SLUG';
+const GITHUB_REPOSITORY_SLUG_URL = 'GITHUB_REPOSITORY_SLUG_URL';
+const GITHUB_REF_SLUG = 'GITHUB_REF_SLUG';
+const GITHUB_HEAD_REF_SLUG = 'GITHUB_HEAD_REF_SLUG';
+const GITHUB_BASE_REF_SLUG = 'GITHUB_BASE_REF_SLUG';
+const GITHUB_REF_SLUG_URL = 'GITHUB_REF_SLUG_URL';
+const GITHUB_HEAD_REF_SLUG_URL = 'GITHUB_HEAD_REF_SLUG_URL';
+const GITHUB_BASE_REF_SLUG_URL = 'GITHUB_BASE_REF_SLUG_URL';
+const GITHUB_SHA_SHORT = 'GITHUB_SHA_SHORT';
+const GITHUB_EVENT_REF_SLUG = 'GITHUB_EVENT_REF_SLUG';
+const GITHUB_EVENT_REF_SLUG_URL = 'GITHUB_EVENT_REF_SLUG_URL';
+function run() {
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const eventPath = process.env[GITHUB_EVENT_PATH];
+            if (eventPath) {
+                const eventData = yield Promise.resolve().then(() => __importStar(require(eventPath)));
+                if (eventData.hasOwnProperty('ref')) {
+                    core.exportVariable(GITHUB_EVENT_REF_SLUG, slug_1.slugref(eventData.ref));
+                    core.exportVariable(GITHUB_EVENT_REF_SLUG_URL, slug_1.slugurlref(eventData.ref));
+                }
+            }
+            exportSlug(GITHUB_REPOSITORY, GITHUB_REPOSITORY_SLUG);
+            exportSlugUrl(GITHUB_REPOSITORY, GITHUB_REPOSITORY_SLUG_URL);
+            exportSlugRef(GITHUB_REF, GITHUB_REF_SLUG);
+            exportSlugRef(GITHUB_HEAD_REF, GITHUB_HEAD_REF_SLUG);
+            exportSlugRef(GITHUB_BASE_REF, GITHUB_BASE_REF_SLUG);
+            exportSlugUrlRef(GITHUB_REF, GITHUB_REF_SLUG_URL);
+            exportSlugUrlRef(GITHUB_HEAD_REF, GITHUB_HEAD_REF_SLUG_URL);
+            exportSlugUrlRef(GITHUB_BASE_REF, GITHUB_BASE_REF_SLUG_URL);
+            exportShortSha(GITHUB_SHA, GITHUB_SHA_SHORT);
+        }
+        catch (error) {
+            core.setFailed(error.message);
+        }
+    });
+}
+function exportSlug(inputKey, outputKey) {
+    const envVar = process.env[inputKey];
+    if (envVar) {
+        core.exportVariable(outputKey, slug_1.slug(envVar));
+    }
+}
+function exportSlugRef(inputKey, outputKey) {
+    const envVar = process.env[inputKey];
+    if (envVar) {
+        core.exportVariable(outputKey, slug_1.slugref(envVar));
+    }
+}
+function exportSlugUrl(inputKey, outputKey) {
+    const envVar = process.env[inputKey];
+    if (envVar) {
+        core.exportVariable(outputKey, slug_1.slugurl(envVar));
+    }
+}
+function exportSlugUrlRef(inputKey, outputKey) {
+    const envVar = process.env[inputKey];
+    if (envVar) {
+        core.exportVariable(outputKey, slug_1.slugurlref(envVar));
+    }
+}
+function exportShortSha(inputKey, outputKey) {
+    const envVar = process.env[inputKey];
+    if (envVar) {
+        core.exportVariable(outputKey, slug_1.shortsha(envVar));
+    }
+}
+run();
+
+
+/***/ }),
+
+/***/ 186:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const command_1 = __webpack_require__(351);
+const os = __importStar(__webpack_require__(87));
+const path = __importStar(__webpack_require__(622));
+/**
+ * The code to exit an action
+ */
+var ExitCode;
+(function (ExitCode) {
+    /**
+     * A code indicating that the action was successful
+     */
+    ExitCode[ExitCode["Success"] = 0] = "Success";
+    /**
+     * A code indicating that the action was a failure
+     */
+    ExitCode[ExitCode["Failure"] = 1] = "Failure";
+})(ExitCode = exports.ExitCode || (exports.ExitCode = {}));
+//-----------------------------------------------------------------------
+// Variables
+//-----------------------------------------------------------------------
+/**
+ * Sets env variable for this action and future actions in the job
+ * @param name the name of the variable to set
+ * @param val the value of the variable. Non-string values will be converted to a string via JSON.stringify
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function exportVariable(name, val) {
+    const convertedVal = command_1.toCommandValue(val);
+    process.env[name] = convertedVal;
+    command_1.issueCommand('set-env', { name }, convertedVal);
+}
+exports.exportVariable = exportVariable;
+/**
+ * Registers a secret which will get masked from logs
+ * @param secret value of the secret
+ */
+function setSecret(secret) {
+    command_1.issueCommand('add-mask', {}, secret);
+}
+exports.setSecret = setSecret;
+/**
+ * Prepends inputPath to the PATH (for this action and future actions)
+ * @param inputPath
+ */
+function addPath(inputPath) {
+    command_1.issueCommand('add-path', {}, inputPath);
+    process.env['PATH'] = `${inputPath}${path.delimiter}${process.env['PATH']}`;
+}
+exports.addPath = addPath;
+/**
+ * Gets the value of an input.  The value is also trimmed.
+ *
+ * @param     name     name of the input to get
+ * @param     options  optional. See InputOptions.
+ * @returns   string
+ */
+function getInput(name, options) {
+    const val = process.env[`INPUT_${name.replace(/ /g, '_').toUpperCase()}`] || '';
+    if (options && options.required && !val) {
+        throw new Error(`Input required and not supplied: ${name}`);
+    }
+    return val.trim();
+}
+exports.getInput = getInput;
+/**
+ * Sets the value of an output.
+ *
+ * @param     name     name of the output to set
+ * @param     value    value to store. Non-string values will be converted to a string via JSON.stringify
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function setOutput(name, value) {
+    command_1.issueCommand('set-output', { name }, value);
+}
+exports.setOutput = setOutput;
+/**
+ * Enables or disables the echoing of commands into stdout for the rest of the step.
+ * Echoing is disabled by default if ACTIONS_STEP_DEBUG is not set.
+ *
+ */
+function setCommandEcho(enabled) {
+    command_1.issue('echo', enabled ? 'on' : 'off');
+}
+exports.setCommandEcho = setCommandEcho;
+//-----------------------------------------------------------------------
+// Results
+//-----------------------------------------------------------------------
+/**
+ * Sets the action status to failed.
+ * When the action exits it will be with an exit code of 1
+ * @param message add error issue message
+ */
+function setFailed(message) {
+    process.exitCode = ExitCode.Failure;
+    error(message);
+}
+exports.setFailed = setFailed;
+//-----------------------------------------------------------------------
+// Logging Commands
+//-----------------------------------------------------------------------
+/**
+ * Gets whether Actions Step Debug is on or not
+ */
+function isDebug() {
+    return process.env['RUNNER_DEBUG'] === '1';
+}
+exports.isDebug = isDebug;
+/**
+ * Writes debug message to user log
+ * @param message debug message
+ */
+function debug(message) {
+    command_1.issueCommand('debug', {}, message);
+}
+exports.debug = debug;
+/**
+ * Adds an error issue
+ * @param message error issue message. Errors will be converted to string via toString()
+ */
+function error(message) {
+    command_1.issue('error', message instanceof Error ? message.toString() : message);
+}
+exports.error = error;
+/**
+ * Adds an warning issue
+ * @param message warning issue message. Errors will be converted to string via toString()
+ */
+function warning(message) {
+    command_1.issue('warning', message instanceof Error ? message.toString() : message);
+}
+exports.warning = warning;
+/**
+ * Writes info to log with console.log.
+ * @param message info message
+ */
+function info(message) {
+    process.stdout.write(message + os.EOL);
+}
+exports.info = info;
+/**
+ * Begin an output group.
+ *
+ * Output until the next `groupEnd` will be foldable in this group
+ *
+ * @param name The name of the output group
+ */
+function startGroup(name) {
+    command_1.issue('group', name);
+}
+exports.startGroup = startGroup;
+/**
+ * End an output group.
+ */
+function endGroup() {
+    command_1.issue('endgroup');
+}
+exports.endGroup = endGroup;
+/**
+ * Wrap an asynchronous function call in a group.
+ *
+ * Returns the same type as the function itself.
+ *
+ * @param name The name of the group
+ * @param fn The function to wrap in the group
+ */
+function group(name, fn) {
+    return __awaiter(this, void 0, void 0, function* () {
+        startGroup(name);
+        let result;
+        try {
+            result = yield fn();
+        }
+        finally {
+            endGroup();
+        }
+        return result;
+    });
+}
+exports.group = group;
+//-----------------------------------------------------------------------
+// Wrapper action state
+//-----------------------------------------------------------------------
+/**
+ * Saves state for current action, the state can only be retrieved by this action's post job execution.
+ *
+ * @param     name     name of the state to store
+ * @param     value    value to store. Non-string values will be converted to a string via JSON.stringify
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function saveState(name, value) {
+    command_1.issueCommand('save-state', { name }, value);
+}
+exports.saveState = saveState;
+/**
+ * Gets the value of an state set by this action's main execution.
+ *
+ * @param     name     name of the state to get
+ * @returns   string
+ */
+function getState(name) {
+    return process.env[`STATE_${name}`] || '';
+}
+exports.getState = getState;
+//# sourceMappingURL=core.js.map
+
+/***/ }),
+
+/***/ 351:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const os = __importStar(__webpack_require__(87));
+/**
+ * Commands
+ *
+ * Command Format:
+ *   ::name key=value,key=value::message
+ *
+ * Examples:
+ *   ::warning::This is the message
+ *   ::set-env name=MY_VAR::some value
+ */
+function issueCommand(command, properties, message) {
+    const cmd = new Command(command, properties, message);
+    process.stdout.write(cmd.toString() + os.EOL);
+}
+exports.issueCommand = issueCommand;
+function issue(name, message = '') {
+    issueCommand(name, {}, message);
+}
+exports.issue = issue;
+const CMD_STRING = '::';
+class Command {
+    constructor(command, properties, message) {
+        if (!command) {
+            command = 'missing.command';
+        }
+        this.command = command;
+        this.properties = properties;
+        this.message = message;
+    }
+    toString() {
+        let cmdStr = CMD_STRING + this.command;
+        if (this.properties && Object.keys(this.properties).length > 0) {
+            cmdStr += ' ';
+            let first = true;
+            for (const key in this.properties) {
+                if (this.properties.hasOwnProperty(key)) {
+                    const val = this.properties[key];
+                    if (val) {
+                        if (first) {
+                            first = false;
+                        }
+                        else {
+                            cmdStr += ',';
+                        }
+                        cmdStr += `${key}=${escapeProperty(val)}`;
+                    }
+                }
+            }
+        }
+        cmdStr += `${CMD_STRING}${escapeData(this.message)}`;
+        return cmdStr;
+    }
+}
+/**
+ * Sanitizes an input into a string so it can be passed into issueCommand safely
+ * @param input input to sanitize into a string
+ */
+function toCommandValue(input) {
+    if (input === null || input === undefined) {
+        return '';
+    }
+    else if (typeof input === 'string' || input instanceof String) {
+        return input;
+    }
+    return JSON.stringify(input);
+}
+exports.toCommandValue = toCommandValue;
+function escapeData(s) {
+    return toCommandValue(s)
+        .replace(/%/g, '%25')
+        .replace(/\r/g, '%0D')
+        .replace(/\n/g, '%0A');
+}
+function escapeProperty(s) {
+    return toCommandValue(s)
+        .replace(/%/g, '%25')
+        .replace(/\r/g, '%0D')
+        .replace(/\n/g, '%0A')
+        .replace(/:/g, '%3A')
+        .replace(/,/g, '%2C');
+}
+//# sourceMappingURL=command.js.map
+
+/***/ }),
+
+/***/ 565:
+/***/ (function(__unusedmodule, exports) {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.shortsha = exports.slugurlref = exports.slugurl = exports.slugref = exports.slug = void 0;
+const MAX_SLUG_STRING_SIZE = 63;
+const SHORT_SHA_SIZE = 8;
+/**
+ * slug will take envVar and then :
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`, and `.`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+function slug(envVar) {
+    return trailHyphen(replaceAnyNonAlphanumericCaracter(envVar.toLowerCase())).substring(0, MAX_SLUG_STRING_SIZE);
+}
+exports.slug = slug;
+/**
+ * slug will take envVar and then :
+ * - remove refs/(heads|tags)/
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`, and `.`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+function slugref(envVar) {
+    return slug(removeRef(envVar.toLowerCase()));
+}
+exports.slugref = slugref;
+/**
+ * slug will take envVar and then :
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+function slugurl(envVar) {
+    return slug(replaceAnyDotToHyphen(envVar));
+}
+exports.slugurl = slugurl;
+/**
+ * slug will take envVar and then :
+ * - remove refs/(heads|tags)/
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+function slugurlref(envVar) {
+    return slugurl(slugref(envVar));
+}
+exports.slugurlref = slugurlref;
+/**
+ * slug will take envVar and then :
+ * - limit the string size to 8 characters
+ * @param envVar to be slugged
+ */
+function shortsha(envVar) {
+    return envVar.substring(0, SHORT_SHA_SIZE);
+}
+exports.shortsha = shortsha;
+function trailHyphen(envVar) {
+    return envVar.replace(RegExp('^-*', 'g'), '').replace(RegExp('-*$', 'g'), '');
+}
+function replaceAnyNonAlphanumericCaracter(envVar) {
+    return envVar.replace(RegExp('[^a-z0-9.]', 'g'), '-');
+}
+function replaceAnyDotToHyphen(envVar) {
+    return envVar.replace(RegExp('[.]', 'g'), '-');
+}
+function removeRef(envVar) {
+    return envVar.replace(RegExp('^refs/(heads|tags)/'), '');
+}
+
+
+/***/ }),
+
+/***/ 622:
+/***/ (function(module) {
+
+module.exports = require("path");
+
+/***/ })
+
+/******/ });
+//# sourceMappingURL=index.js.map
--- a/dist/index.js.map
+++ b/dist/index.js.map
--- a/dist/sourcemap-register.js
+++ b/dist/sourcemap-register.js
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,55 +0,0 @@
-#!/bin/sh -l
-
-slug() {
-  echo "$1" |
-    tr "[:upper:]" "[:lower:]" |
-    sed -r 's/[~\^]+//g;s/[^a-zA-Z0-9.]+/-/g;s/^-+\|-+$//g;s/^-*//;s/-*$//' |
-    cut -c1-63
-}
-
-slug_url() {
-  echo "$1" |
-    tr "[:upper:]" "[:lower:]" |
-    sed -r 's/[~\^]+//g;s/[^a-zA-Z0-9]+/-/g;s/^-+\|-+$//g;s/^-*//;s/-*$//' |
-    cut -c1-63
-}
-
-slug_ref() {
-  echo "$1" |
-    tr "[:upper:]" "[:lower:]" |
-    sed -r 's#refs/[^\/]*/##;s/[~\^]+//g;s/[^a-zA-Z0-9.]+/-/g;s/^-+\|-+$//g;s/^-*//;s/-*$//' |
-    cut -c1-63
-}
-
-slug_url_ref() {
-  echo "$1" |
-    tr "[:upper:]" "[:lower:]" |
-    sed -r 's#refs/[^\/]*/##;s/[~\^]+//g;s/[^a-zA-Z0-9]+/-/g;s/^-+\|-+$//g;s/^-*//;s/-*$//' |
-    cut -c1-63
-}
-
-short_sha() {
-  echo "$1" |
-    cut -c1-8
-}
-
-get_event_keyvalue() {
-  if [ -f "$GITHUB_EVENT_PATH" ]; then
-    jq -r ".$1" "$GITHUB_EVENT_PATH" | grep -v "null"
-  fi
-}
-
-echo ::set-env name=GITHUB_REPOSITORY_SLUG::"$(slug "$GITHUB_REPOSITORY")"
-echo ::set-env name=GITHUB_REPOSITORY_SLUG_URL::"$(slug_url "$GITHUB_REPOSITORY")"
-
-echo ::set-env name=GITHUB_REF_SLUG::"$(slug_ref "$GITHUB_REF")"
-echo ::set-env name=GITHUB_HEAD_REF_SLUG::"$(slug_ref "$GITHUB_HEAD_REF")"
-echo ::set-env name=GITHUB_BASE_REF_SLUG::"$(slug_ref "$GITHUB_BASE_REF")"
-echo ::set-env name=GITHUB_EVENT_REF_SLUG::"$(slug_ref "$(get_event_keyvalue "ref")")"
-
-echo ::set-env name=GITHUB_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_REF")"
-echo ::set-env name=GITHUB_HEAD_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_HEAD_REF")"
-echo ::set-env name=GITHUB_BASE_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_BASE_REF")"
-echo ::set-env name=GITHUB_EVENT_REF_SLUG_URL::"$(slug_url_ref "$(get_event_keyvalue "ref")")"
-
-echo ::set-env name=GITHUB_SHA_SHORT::"$(short_sha "$GITHUB_SHA")"
--- a/jest.config.js
+++ b/jest.config.js
@@ -0,0 +1,11 @@
+module.exports = {
+  clearMocks: true,
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  testRunner: 'jest-circus/runner',
+  transform: {
+    '^.+\\.ts$': 'ts-jest'
+  },
+  verbose: true
+}
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -2,18 +2,49 @@
  "name": "github-slug-action",
  "version": "0.0.0",
  "license": "MIT",
+  "private": true,
+  "description": "Github slug action",
+  "main": "lib/main.js",
  "scripts": {
-    "test": "docker run -w /workdir -v $(pwd):/workdir ffurrer/bats:latest --recursive .",
-    "release": "semantic-release"
+    "release": "semantic-release",
+    "build": "tsc",
+    "format": "prettier --write **/*.ts",
+    "format-check": "prettier --check **/*.ts",
+    "lint": "eslint src/**/*.ts",
+    "package": "ncc build --source-map",
+    "test": "jest",
+    "all": "npm run build && npm run format && npm run lint && npm run package && npm test"
  },
  "repository": {
    "type": "git",
    "url": "http://github.com/rlespinasse/github-slug-action.git"
  },
+  "keywords": [
+    "actions",
+    "node",
+    "setup"
+  ],
+  "author": "rlespinasse",
+  "dependencies": {
+    "@actions/core": "^1.2.4"
+  },
  "devDependencies": {
    "@semantic-release/changelog": "5.0.1",
    "@semantic-release/git": "9.0.0",
-    "semantic-release": "17.0.7"
+    "@types/jest": "^26.0.10",
+    "@types/node": "^14.6.0",
+    "@typescript-eslint/parser": "^3.9.1",
+    "@vercel/ncc": "^0.23.0",
+    "eslint": "^7.5.0",
+    "eslint-plugin-github": "^4.1.1",
+    "eslint-plugin-jest": "^23.20.0",
+    "jest": "^26.4.2",
+    "jest-circus": "^26.4.1",
+    "js-yaml": "^3.14.0",
+    "prettier": "2.0.5",
+    "semantic-release": "17.0.7",
+    "ts-jest": "^26.3.0",
+    "typescript": "^3.9.7"
  },
  "release": {
    "tagFormat": "${version}",
--- a/src/main.ts
+++ b/src/main.ts
@@ -0,0 +1,97 @@
+import * as core from '@actions/core'
+import {slugref, slug, slugurl, slugurlref, shortsha} from './slug'
+
+/**
+ * Inputs environments variables keys from Github actions job
+ * see https://docs.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
+ */
+const GITHUB_REPOSITORY = 'GITHUB_REPOSITORY'
+const GITHUB_REF = 'GITHUB_REF'
+const GITHUB_HEAD_REF = 'GITHUB_HEAD_REF'
+const GITHUB_BASE_REF = 'GITHUB_BASE_REF'
+const GITHUB_SHA = 'GITHUB_SHA'
+const GITHUB_EVENT_PATH = 'GITHUB_EVENT_PATH'
+
+/**
+ * Slugged outputs environments variables keys
+ */
+const GITHUB_REPOSITORY_SLUG = 'GITHUB_REPOSITORY_SLUG'
+const GITHUB_REPOSITORY_SLUG_URL = 'GITHUB_REPOSITORY_SLUG_URL'
+const GITHUB_REF_SLUG = 'GITHUB_REF_SLUG'
+const GITHUB_HEAD_REF_SLUG = 'GITHUB_HEAD_REF_SLUG'
+const GITHUB_BASE_REF_SLUG = 'GITHUB_BASE_REF_SLUG'
+const GITHUB_REF_SLUG_URL = 'GITHUB_REF_SLUG_URL'
+const GITHUB_HEAD_REF_SLUG_URL = 'GITHUB_HEAD_REF_SLUG_URL'
+const GITHUB_BASE_REF_SLUG_URL = 'GITHUB_BASE_REF_SLUG_URL'
+const GITHUB_SHA_SHORT = 'GITHUB_SHA_SHORT'
+const GITHUB_EVENT_REF_SLUG = 'GITHUB_EVENT_REF_SLUG'
+const GITHUB_EVENT_REF_SLUG_URL = 'GITHUB_EVENT_REF_SLUG_URL'
+
+async function run(): Promise<void> {
+  try {
+    const eventPath = process.env[GITHUB_EVENT_PATH]
+    if (eventPath) {
+      const eventData = await import(eventPath)
+      if (eventData.hasOwnProperty('ref')) {
+        core.exportVariable(GITHUB_EVENT_REF_SLUG, slugref(eventData.ref))
+        core.exportVariable(
+          GITHUB_EVENT_REF_SLUG_URL,
+          slugurlref(eventData.ref)
+        )
+      }
+    }
+
+    exportSlug(GITHUB_REPOSITORY, GITHUB_REPOSITORY_SLUG)
+
+    exportSlugUrl(GITHUB_REPOSITORY, GITHUB_REPOSITORY_SLUG_URL)
+
+    exportSlugRef(GITHUB_REF, GITHUB_REF_SLUG)
+    exportSlugRef(GITHUB_HEAD_REF, GITHUB_HEAD_REF_SLUG)
+    exportSlugRef(GITHUB_BASE_REF, GITHUB_BASE_REF_SLUG)
+
+    exportSlugUrlRef(GITHUB_REF, GITHUB_REF_SLUG_URL)
+    exportSlugUrlRef(GITHUB_HEAD_REF, GITHUB_HEAD_REF_SLUG_URL)
+    exportSlugUrlRef(GITHUB_BASE_REF, GITHUB_BASE_REF_SLUG_URL)
+
+    exportShortSha(GITHUB_SHA, GITHUB_SHA_SHORT)
+  } catch (error) {
+    core.setFailed(error.message)
+  }
+}
+
+function exportSlug(inputKey: string, outputKey: string): void {
+  const envVar = process.env[inputKey]
+  if (envVar) {
+    core.exportVariable(outputKey, slug(envVar))
+  }
+}
+
+function exportSlugRef(inputKey: string, outputKey: string): void {
+  const envVar = process.env[inputKey]
+  if (envVar) {
+    core.exportVariable(outputKey, slugref(envVar))
+  }
+}
+
+function exportSlugUrl(inputKey: string, outputKey: string): void {
+  const envVar = process.env[inputKey]
+  if (envVar) {
+    core.exportVariable(outputKey, slugurl(envVar))
+  }
+}
+
+function exportSlugUrlRef(inputKey: string, outputKey: string): void {
+  const envVar = process.env[inputKey]
+  if (envVar) {
+    core.exportVariable(outputKey, slugurlref(envVar))
+  }
+}
+
+function exportShortSha(inputKey: string, outputKey: string): void {
+  const envVar = process.env[inputKey]
+  if (envVar) {
+    core.exportVariable(outputKey, shortsha(envVar))
+  }
+}
+
+run()
--- a/src/slug.ts
+++ b/src/slug.ts
@@ -0,0 +1,79 @@
+const MAX_SLUG_STRING_SIZE = 63
+const SHORT_SHA_SIZE = 8
+
+/**
+ * slug will take envVar and then :
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`, and `.`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+export function slug(envVar: string): string {
+  return trailHyphen(
+    replaceAnyNonAlphanumericCaracter(envVar.toLowerCase())
+  ).substring(0, MAX_SLUG_STRING_SIZE)
+}
+
+/**
+ * slug will take envVar and then :
+ * - remove refs/(heads|tags)/
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`, and `.`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+export function slugref(envVar: string): string {
+  return slug(removeRef(envVar.toLowerCase()))
+}
+
+/**
+ * slug will take envVar and then :
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+export function slugurl(envVar: string): string {
+  return slug(replaceAnyDotToHyphen(envVar))
+}
+
+/**
+ * slug will take envVar and then :
+ * - remove refs/(heads|tags)/
+ * - put the variable content in lower case
+ * - replace any character by `-` except `0-9`, `a-z`
+ * - remove leading and trailing `-` character
+ * - limit the string size to 63 characters
+ * @param envVar to be slugged
+ */
+export function slugurlref(envVar: string): string {
+  return slugurl(slugref(envVar))
+}
+
+/**
+ * slug will take envVar and then :
+ * - limit the string size to 8 characters
+ * @param envVar to be slugged
+ */
+export function shortsha(envVar: string): string {
+  return envVar.substring(0, SHORT_SHA_SIZE)
+}
+
+function trailHyphen(envVar: string): string {
+  return envVar.replace(RegExp('^-*', 'g'), '').replace(RegExp('-*$', 'g'), '')
+}
+
+function replaceAnyNonAlphanumericCaracter(envVar: string): string {
+  return envVar.replace(RegExp('[^a-z0-9.]', 'g'), '-')
+}
+
+function replaceAnyDotToHyphen(envVar: string): string {
+  return envVar.replace(RegExp('[.]', 'g'), '-')
+}
+
+function removeRef(envVar: string): string {
+  return envVar.replace(RegExp('^refs/(heads|tags)/'), '')
+}
--- a/tests/short_sha.bats
+++ b/tests/short_sha.bats
@@ -1,19 +0,0 @@
-#!/usr/bin/env bats
-
-@test "short_sha: long hash" {
-  test_short_sha \
-    "a35a1a486a260cfd99c5b6f8c6034a2929ba9b3f" \
-    "a35a1a48"
-}
-
-# Load sluf_ref function
-source entrypoint.sh > /dev/null 2>&1
-
-test_short_sha(){
-  given="${1}"
-  expected="${2}"
-
-  actual="$(short_sha ${given})"
-  echo "expected : [${expected}], actual : [${actual}]"
-  [ "${actual}" == "${expected}" ]
-}
--- a/tests/slug.bats
+++ b/tests/slug.bats
@@ -1,49 +0,0 @@
-#!/usr/bin/env bats
-
-@test "slug: a word" {
-  test_slug \
-    "word" \
-    "word"
-}
-
-@test "slug: a string" {
-  test_slug \
-    "basic-string" \
-    "basic-string"
-}
-
-@test "slug: a string in camel case" {
-  test_slug \
-    "camelCase" \
-    "camelcase"
-}
-
-@test "slug: a path" {
-  test_slug \
-    "path/to/something" \
-    "path-to-something"
-}
-
-@test "slug: a number" {
-  test_slug \
-    "4.2" \
-    "4.2"
-}
-
-@test "slug: a very long string" {
-  test_slug \
-    "an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters" \
-    "an-awesome-feature-very-very-very-very-very-very-very-long-more"
-}
-
-# Load sluf_ref function
-source entrypoint.sh > /dev/null 2>&1
-
-test_slug() {
-  given="${1}"
-  expected="${2}"
-
-  actual="$(slug \"${given}\")"
-  echo "expected : [${expected}], actual : [${actual}]"
-  [ "${actual}" == "${expected}" ]
-}
--- a/tests/slug_ref.bats
+++ b/tests/slug_ref.bats
@@ -1,55 +0,0 @@
-#!/usr/bin/env bats
-
-@test "slug_ref:: master branch" {
-  test_slug_ref \
-    "refs/heads/master" \
-    "master"
-}
-
-@test "slug_ref: a feature branch" {
-  test_slug_ref \
-    "refs/heads/feat/new_feature" \
-    "feat-new-feature"
-}
-
-@test "slug_ref: a fix branch" {
-  test_slug_ref \
-    "refs/heads/fix/issue_number" \
-    "fix-issue-number"
-}
-
-@test "slug_ref: a simple tag" {
-  test_slug_ref \
-    "refs/tags/v1.0.0" \
-    "v1.0.0"
-}
-
-@test "slug_ref: a complex tag" {
-  test_slug_ref \
-    "refs/tags/product@1.0.0-rc.2" \
-    "product-1.0.0-rc.2"
-}
-
-@test "slug_ref: a reference with upper case letters" {
-  test_slug_ref \
-    "refs/heads/New_Awesome_Product" \
-    "new-awesome-product"
-}
-
-@test "slug_ref: a very long name" {
-  test_slug_ref \
-    "refs/heads/an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters" \
-    "an-awesome-feature-very-very-very-very-very-very-very-long-more"
-}
-
-# Load sluf_ref function
-source entrypoint.sh > /dev/null 2>&1
-
-test_slug_ref() {
-  given="${1}"
-  expected="${2}"
-
-  actual="$(slug_ref \"${given}\")"
-  echo "expected : [${expected}], actual : [${actual}]"
-  [ "${actual}" == "${expected}" ]
-}
--- a/tests/slug_url.bats
+++ b/tests/slug_url.bats
@@ -1,49 +0,0 @@
-#!/usr/bin/env bats
-
-@test "slug_url: a word" {
-  test_slug_url \
-    "word" \
-    "word"
-}
-
-@test "slug_url: a string" {
-  test_slug_url \
-    "basic-string" \
-    "basic-string"
-}
-
-@test "slug_url: a string in camel case" {
-  test_slug_url \
-    "camelCase" \
-    "camelcase"
-}
-
-@test "slug_url: a path" {
-  test_slug_url \
-    "path/to/something" \
-    "path-to-something"
-}
-
-@test "slug_url: a number" {
-  test_slug_url \
-    "4.2" \
-    "4-2"
-}
-
-@test "slug_url: a very long string" {
-  test_slug_url \
-    "an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters" \
-    "an-awesome-feature-very-very-very-very-very-very-very-long-more"
-}
-
-# Load sluf_ref function
-source entrypoint.sh > /dev/null 2>&1
-
-test_slug_url() {
-  given="${1}"
-  expected="${2}"
-
-  actual="$(slug_url \"${given}\")"
-  echo "expected : [${expected}], actual : [${actual}]"
-  [ "${actual}" == "${expected}" ]
-}
--- a/tests/slug_url_ref.bats
+++ b/tests/slug_url_ref.bats
@@ -1,55 +0,0 @@
-#!/usr/bin/env bats
-
-@test "slug_url_ref: master branch" {
-  test_slug_url_ref \
-    "refs/heads/master" \
-    "master"
-}
-
-@test "slug_url_ref: a feature branch" {
-  test_slug_url_ref \
-    "refs/heads/feat/new_feature" \
-    "feat-new-feature"
-}
-
-@test "slug_url_ref: a fix branch" {
-  test_slug_url_ref \
-    "refs/heads/fix/issue_number" \
-    "fix-issue-number"
-}
-
-@test "slug_url_ref: a simple tag" {
-  test_slug_url_ref \
-    "refs/tags/v1.0.0" \
-    "v1-0-0"
-}
-
-@test "slug_url_ref: a complex tag" {
-  test_slug_url_ref \
-    "refs/tags/product@1.0.0-rc.2" \
-    "product-1-0-0-rc-2"
-}
-
-@test "slug_url_ref: a reference with upper case letters" {
-  test_slug_url_ref \
-    "refs/heads/New_Awesome_Product" \
-    "new-awesome-product"
-}
-
-@test "slug_url_ref: a very long name" {
-  test_slug_url_ref \
-    "refs/heads/an-awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters" \
-    "an-awesome-feature-very-very-very-very-very-very-very-long-more"
-}
-
-# Load sluf_ref function
-source entrypoint.sh > /dev/null 2>&1
-
-test_slug_url_ref() {
-  given="${1}"
-  expected="${2}"
-
-  actual="$(slug_url_ref \"${given}\")"
-  echo "expected : [${expected}], actual : [${actual}]"
-  [ "${actual}" == "${expected}" ]
-}
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "es6",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
+    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
+    "outDir": "./lib",                        /* Redirect output structure to the directory. */
+    "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    "strict": true,                           /* Enable all strict type-checking options. */
+    "noImplicitAny": true,                    /* Raise error on expressions and declarations with an implied 'any' type. */
+    "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+  },
+  "exclude": ["node_modules", "**/*.test.ts"]
+}