Initial commit

.babelignore

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+**/*.test.js

.babelrc

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+{
+  "presets": [
+    [
+      "env",
+      {
+        "targets": {
+          "node": 4
+        },
+        "useBuiltIns": true
+      }
+    ],
+    "stage-1"
+  ],
+  "sourceMaps": true
+}

.circleci/config.yml

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+version: 2
+jobs:
+  -test-node:
+    working_directory: ~/cidr-coalesce
+    docker:
+      - image: circleci/node
+    steps:
+      - checkout
+      - run:
+          name: update-npm
+          command: 'sudo npm install -g npm@latest'
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run:
+          name: install-npm-dependencies
+          command: npm install
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - ./node_modules
+      - run:
+          name: test
+          command: npm run circle
+      - store_artifacts:
+          path: coverage
+          prefix: coverage
+workflows:
+  build-and-test:
+    # -test-node4
+    # -test-node6
+    # -test-node7
+    -test-node:
+      # filters:
+      #   branches:
+      #     only: master

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.js]
+indent_size = 2
+
+[*.json]
+indent_size = 2
+
+[*.yml]
+indent_size = 2
+
+[*.yaml]
+indent_size = 2

.gitignore

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+node_modules
+coverage
+.vscode/
+lib
+npm-debug.log*

.npmignore

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+src/
+test/
+.babelignore
+.babelrc
+.circleci/
+.editorconfig
+.npmignore
+.vscode
+coverage
+jest.config.js
+nodemon.json

README.md

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+# cidr-coalesce
+
+Get the minimum set of CIDR that covers every and only the input addresses or ranges.
+
+Accepts IPv4 addresses in the following formats
+- Single IP: `127.0.0.1`
+- IP range: `192.168.1.0-192.168.1.40`
+- CIDR: `192.168.1.0/27`
+
+## Usage
+
+### CLI
+```sh
+$ cidr-coalesce 192.168.1.0-192.168.1.40
+192.168.1.0/27
+192.168.1.32/29
+192.168.1.40/32
+```
+
+### API
+```js
+import coalsece from 'cidr-coalesce';
+
+const result = coalesce(['192.168.1.0', '192.168.1.40']);
+// result = ['192.168.1.0/27', '192.168.1.32/29', '192.168.1.40/32']
+```
+
+## options
+
+### quiet
+
+Suppreses all error output.

jest.config.js

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+module.exports = {
+  testPathIgnorePatterns: ['/node_modules/'],
+  testMatch: ['**/*.test.js'],
+};

nodemon.json

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+{
+  "verbose": true,
+  "ext": "js json"
+}