load env vars from .env file

docs/pages/getting-started.md

@@ -58,6 +58,13 @@ You must configure some environment variables for publishing and releasing to wo
 - `GH_TOKEN` - Used for updating the changelog and publishing the GitHub release
 - `NPM_TOKEN` - Used to publish to npm.
 
+You can also store these values in a local file at the root of your project named `.env`. You should make sure to add this file to your `.gitignore` so you don't commit any keys!
+
+```bash
+GH_TOKEN=YOUR_TOKEN
+NPM_TOKEN=PUBLISH_TOKEN
+```
+
 If you are publishing from the CI you must inject the `NPM_TOKEN` into your `.npmrc`.
 
 ```sh

package.json

@@ -42,6 +42,7 @@
     "command-line-args": "^5.0.2",
     "command-line-usage": "^5.0.5",
     "cosmiconfig": "5.0.7",
+    "dotenv": "^6.2.0",
     "enquirer": "^2.3.0",
     "env-ci": "^3.2.0",
     "get-monorepo-packages": "^1.1.0",
@@ -60,6 +61,7 @@
     "@types/command-line-args": "^5.0.0",
     "@types/command-line-usage": "^5.0.1",
     "@types/cosmiconfig": "5.0.3",
+    "@types/dotenv": "^6.1.0",
     "@types/env-ci": "^3.1.0",
     "@types/jest": "~23.3.12",
     "@types/node": "~10.12.18",

src/__tests__/main-env.test.ts

@@ -0,0 +1,22 @@
+import { AutoRelease } from '../main';
+
+jest.mock('fs', () => ({
+  readFileSync: () => 'FOO="test value"',
+  closeSync: () => undefined,
+  existsSync: () => undefined,
+  readFile: () => undefined,
+  ReadStream: () => undefined,
+  WriteStream: () => undefined,
+  writeFile: () => undefined
+}));
+
+test('should load .env file', async () => {
+  const auto = new AutoRelease({
+    command: 'init',
+    owner: 'foo',
+    repo: 'bar'
+  });
+
+  expect(auto).toBeDefined();
+  expect(process.env.FOO).toBe('test value');
+});

src/main.ts

@@ -1,6 +1,7 @@
 #!/usr/bin/env node
 
 import cosmiconfig from 'cosmiconfig';
+import env from 'dotenv';
 import envCi from 'env-ci';
 import { gt, inc, ReleaseType } from 'semver';
 
@@ -73,6 +74,8 @@ export class AutoRelease {
       args.veryVerbose ? 'veryVerbose' : args.verbose ? 'verbose' : undefined
     );
     this.hooks = makeHooks();
+
+    env.config();
   }
 
   public async loadConfig() {

yarn.lock

@@ -1117,6 +1117,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/dotenv@^6.1.0":
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/@types/dotenv/-/dotenv-6.1.0.tgz#fba2bfd1f28a46eadaa049f3313ebb89bdedfc53"
+  integrity sha512-gmbNb7V1LbJQA4MmH0hVFgqY1cyKsa6RvKC1Xrq0WBnZ0JuuvXKciXx/s8dN0LVXCJd8xO6wIaSFSyUIoGph9g==
+  dependencies:
+    "@types/node" "*"
+
 "@types/env-ci@^3.1.0":
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@types/env-ci/-/env-ci-3.1.0.tgz#8b8b388641c641fa4eb51862cbb018db013aeb68"
@@ -3775,6 +3782,11 @@ dot-prop@^4.1.0, dot-prop@^4.1.1:
   dependencies:
     is-obj "^1.0.0"
 
+dotenv@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-6.2.0.tgz#941c0410535d942c8becf28d3f357dbd9d476064"
+  integrity sha512-HygQCKUBSFl8wKQZBSemMywRWcEDNidvNbjGVyZu3nbZ8qq9ubiPoGLMdRDpfSrpkkm9BXYFkpKxxFX38o/76w==
+
 download@^6.2.2:
   version "6.2.5"
   resolved "https://registry.yarnpkg.com/download/-/download-6.2.5.tgz#acd6a542e4cd0bb42ca70cfc98c9e43b07039714"