ci(drift): enable automated dep updates

Given my familiarity with greenkeeper, I'm keeping it around.

I really like @dependabot's rich automated merge features (including squash and merge), however.

Closes #3

Author: greenkeeper[bot]

.travis.yml

@@ -1,52 +1,97 @@
+# 1. Set-up
 env:
-  global:
-    CC_TEST_REPORTER_ID="$CC_TEST_REPORTER_ID"
-    CC_TEST_REPORTER_TYPE=
+  global: CC_TEST_REPORTER_ID="$CC_TEST_REPORTER_ID" CC_TEST_REPORTER_TYPE=
 
 language: node_js
+
+cache: npm
+
+# 1.1. Run quality assurance (QA) gates on all
+#      supported Node.js versions...
 node_js:
-  - v11
-  - v10
-  - v8
-  - v6
+  - "11"
+  - "10"
+  - "8"
+  - "6"
 
+# 1.2. ...on both Linux and MacOS
+#       @see https://github.com/nodejs/Release#release-schedule
 os:
   - linux
   - osx
 
+# 1.3. Do a shallow-clone to speed up analysis
+#      (fail fast!)
 git:
   depth: 1
 
 before_install:
-  # npm
-  - "[[ $(node -v) =~ ^v9.*$ ]] || npm install -g npm@latest"
-  # FOSSA: install fossa-cli to run Provided Builds
-  # @see https://docs.fossa.com/docs/provided-builds
+  # 2. Before installation (before_install) steps:
+
+  # 2.1. Set up dependency manager (node package manager "npm")
+  - '[[ $(node -v) =~ ^v9.*$ ]] || npm install -g npm@latest'
+  # 2.2. FOSS license-compliance evaluator (fossa-cli for Provided Builds)
+  #      Grant execution permission
+  #      @see https://docs.fossa.com/docs/provided-builds
   - chmod +x ./.github/ci/legal/fossa-init.sh
+
+  # 2.3. CodeClimate source code quality assessor
+  #    Grant execution permission
   - chmod +x ./.github/ci/qa/code-climate-init.sh
 
 install:
+  # 3. Installation step (install):
   - npm i
 
 before_script:
+  # 4.   Before running unit tests...
+  # 4.1. Initialize FOSSA for OSS license compliance evaluation
   - ./.github/ci/legal/fossa-init.sh
+
+  # 4.2. Initialize CodeClimate for quality assurance code review
+  #      automatically sent as comments during a Merge Request
+  #      to master.
   - ./.github/ci/qa/code-climate-init.sh
+
+  # 4.3. Initialize CodeClimate Code Coverage reporter
   - $TRAVIS_BUILD_DIR/cc-test-reporter before-build || exit 0
 
 script:
+  # 5.   Test!
   - npm test
+  - npm run security:audit:dependencies
 
 after_script:
-  - npm run ci:coverage:codacy
-  - npm run ci:coverage:coveralls
-  - $TRAVIS_BUILD_DIR/cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT || exit 0
+  # 5.1. Share code coverage with
+  #      - Codacy,
+  #      - Coveralls,
+  - npm run ci:coverage
+
+  #      - and CodeClimate
+  - $TRAVIS_BUILD_DIR/cc-test-reporter after-build --exit-code
+    $TRAVIS_TEST_RESULT || exit 0
 
 jobs:
   include:
     - stage: release
+      name: 'Publish to NPM (public registry)'
+      # 7. Deploy from the lastest Node.js Long-Term Support
+      #    (LTS) build.
       node_js: lts/*
       deploy:
         provider: script
         skip_cleanup: true
         script:
-          - npx travis-deploy-once "npx semantic-release"
+          # 7.1. Bump semantic version by commit message headers' "type"
+          # 7.2. Generate GitHub Release Notes
+          # 7.3. Append change list to the CHANGELOG.md
+          # 7.4. Bump package.json#version
+          # 7.5. Stage and commit all of the above
+          # 7.6. Push to Git remote origin master
+          # 7.7. Trigger all CI quality gates on master
+          # 7.8. All gates pass (steps 1-6)? Bump semver and
+          # 7.8.1. Squash and merge into origin/master
+          # 7.8.2. Publish a GitHub release with notes and CHANGELOG
+          # 7.8.3. Publish on NPM (including README)
+          # 7.9.  Any gate fails? Roll back and abort all release steps.
+          - npx semantic-release

README.md

@@ -13,7 +13,7 @@
 [![Code Climate](https://img.shields.io/codeclimate/coverage/github/gregswindle/parse-numeric.svg?style=flat-square)]()
 [![Codacy code quality][codacy-image]][codacy-url]
 
-> Convert numeric strings into Numbers (or return original value).
+> Convert numeric strings into Numbers (or return the original value).
 
 ## Table of Contents
 
@@ -24,15 +24,21 @@
 - [5. Contributing](#5-contributing)
 - [6. License](#6-license)
 
-## Install
+## 1. Install
 
 ```sh
 npm i parse-numeric
 ```
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>
 
-## Usage
+## 2. Usage
+
+<a href="https://runkit.com/gregswindle/5c60901fae871f00140ef424"><img alt="Test it out on RunKit.com" height="30" src="https://cdnjs.cloudflare.com/ajax/libs/octicons/8.3.0/svg/beaker.svg" valign="bottom" width="30">
+Test <strong>parse-numeric</strong> in your Web browser on RunKit
+<img alt="Try parse-numeric on RunKit" src="https://cdnjs.cloudflare.com/ajax/libs/octicons/8.3.0/svg/link-external.svg"></a>.
+
+---
 
 Pass any `String` of [valid JavaScript `Number` notation
 ![Read more on the Mozilla Developer Network][octicon-link-external]][mdn-numbers-url]
@@ -58,8 +64,6 @@ to return either an **integer** or **floating point** `Number`.
    ![Read more on the Mozilla Developer Network][octicon-link-external]][mdn-binary-numbers]
 
    ```js
-   const parseNumeric = require("parse-numeric");
-
    parseNumeric("0b11");
    // 0b11 => 3
    ```
@@ -107,43 +111,45 @@ parseNumeric(undefined);
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>
 
-## API
+## 3. API
 
-### `parseNumeric`
+### 3.1. `parseNumeric`
 
 A function that will return either a `Number` or the original value.
 
-### `parseNumeric.isNumeric`
+### 3.2. `parseNumeric.isNumeric`
 
 A convenience function that evaluates whether a value could be numeric.
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>
 
-## Maintainers
+## 4. Maintainers
 
 ![Maintenance][maintenance-image]
 
 [@gregswindle](https://github.com/gregswindle)
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>
 
-## Contributing
+## 5. Contributing
 
 [![GitHub Contributors](https://img.shields.io/github/contributors/gregswindle/parse-numeric.svg?style=social)]()
 [![GitHub](https://img.shields.io/github/stars/gregswindle/parse-numeric.svg?style=social)](https://github.com/gregswindle/parse-numeric)
 [![GitHub](https://img.shields.io/github/forks/gregswindle/parse-numeric.svg?style=social)](https://github.com/gregswindle/parse-numeric/network)
+[![Greenkeeper badge](https://badges.greenkeeper.io/gregswindle/parse-numeric.svg?style=flat-square)](https://greenkeeper.io/)
 
 > ![Gratitude][octicon-heart] We gratefully accept Pull Requests.
 
-Please review [the CONTRIBUTING guidelines](CONTRIBUTING.md) for more
-information.
+Please review [the CONTRIBUTING guidelines](CONTRIBUTING.md) and join in.
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>
 
-## License
+## 6. License
 
 [MIT](LICENSE) © [Greg Swindle](https://github.com/gregswindle)
 
+> [![Law][octicon-law] View current and **detailed legal NOTICE** report](https://app.fossa.io/attribution/933e5a8d-8842-42f1-8f35-ede2de2bfe69).
+
 [![FOSSA Status](https://app.fossa.io/api/projects/custom%2B804%2Fgithub.com%2Fgregswindle%2Fparse-numeric.svg?type=large)](https://app.fossa.io/projects/custom%2B804%2Fgithub.com%2Fgregswindle%2Fparse-numeric?ref=badge_large)
 
 <small>[![Back to Table of contents][octicon-triangle-up] [toc]](#table-of-contents)</small>