Initial commit

.babelrc

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+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "current"
+        }
+      }
+    ]
+  ]
+}

.editorconfig

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+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]

.eslintignore

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+**/node_modules
+**/webpack.config.js

.eslintrc

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+{
+  "extends": ["airbnb-base", "prettier"],
+  "env": {
+    "browser": true,
+    "node": true,
+    "jest": true
+  },
+  "rules": {
+    "import/prefer-default-export": "off"
+  }
+}

.gitattributes

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+* text=auto

.gitignore

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+node_modules
+*.log
+.DS_Store
+dist
+lib
+coverage
+yarn.lock
+package-lock.json

.huskyrc

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+{
+  "hooks": {
+    "pre-commit": "yarn lint",
+    "pre-push": "yarn lint && yarn test"
+  }
+}

.npmignore

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+.DS_Store
+*.log
+src
+tests
+examples
+coverage

.npmrc

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+package-lock=false

.prettierrc

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+{
+  "tabWidth": 2,
+  "singleQuote": true,
+  "semi": true
+}

.travis.yml

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+sudo: false
+language: node_js
+node_js:
+  - '10'
+branches:
+  only:
+    - master
+cache:
+  directories:
+    - node_modules
+install:
+  - yarn --ignore-engines
+script:
+  - yarn test
+  - yarn coveralls

CONTRIBUTING.md

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+# Contributing
+
+1. Fork it!
+2. Create your feature branch: `git checkout -b my-new-feature`
+3. Commit your changes: `git commit -m 'Add some feature'`
+4. Push to the branch: `git push origin my-new-feature`
+
+_Remember that we have a pre-push hook with steps that analyzes and prevents mistakes._
+
+**After your pull request is merged**, you can safely delete your branch.

LICENSE

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+MIT License
+
+Copyright (c) 2019 Codevor - js-library-boilerplate
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# js-library-boilerplate
+
+[![License][license-badge]][license-url] [![Travis CI][travis-badge]][travis-url] [![Coverage Status][coverage-badge]][coverage-url] [![Commitizen][commitizen-badge]][commitizen-url]
+
+> js-library-boilerplate-description.
+
+## Installation
+
+js-library-boilerplate is available on npm/yarn:
+
+```bash
+$ npm install js-library-boilerplate --save
+$ yarn add js-library-boilerplate
+```
+
+## Usage
+
+### With ES6/import
+
+```js
+import { sum } from 'js-library-boilerplate';
+
+sum(2, 2); // => 4
+```
+
+### With require
+
+```js
+const sum = require('js-library-boilerplate').sum;
+
+sum(2, 2); // => 4
+```
+
+## Contributing
+
+Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on our code of conduct, and the process for submitting pull requests to us.
+
+## Changelog
+
+This project adheres to [Semantic Versioning](https://semver.org/). Every release, along with the migration instructions, is documented on the Github [Releases](https://github.com/codevor/js-library-boilerplate/releases) page.
+
+## Bugs and Sugestions
+
+Report bugs or do suggestions using the [issues](https://github.com/codevor/js-library-boilerplate/issues).
+
+## License
+
+[MIT License](LICENSE) © [Codevor](https://github.com/codevor)
+
+[license-badge]: https://img.shields.io/github/license/codevor/js-library-boilerplate.svg
+[license-url]: https://opensource.org/licenses/MIT
+[coverage-badge]: https://coveralls.io/repos/github/codevor/js-library-boilerplate/badge.svg?branch=master
+[coverage-url]: https://coveralls.io/github/codevor/js-library-boilerplate?branch=master
+[travis-badge]: https://travis-ci.org/codevor/js-library-boilerplate.svg?branch=master
+[travis-url]: https://travis-ci.org/codevor/js-library-boilerplate
+[commitizen-badge]: https://img.shields.io/badge/commitizen-friendly-brightgreen.svg
+[commitizen-url]: http://commitizen.github.io/cz-cli/

package.json

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+{
+  "name": "js-library-boilerplate",
+  "version": "0.1.0",
+  "description": "js-library-boilerplate-description",
+  "main": "dist/js-library-boilerplate.js",
+  "unpkg": "dist/js-library-boilerplate.min.js",
+  "scripts": {
+    "clean": "rimraf dist",
+    "dev": "NODE_ENV=dev webpack --progress --colors --watch",
+    "build:umd": "NODE_ENV=production webpack",
+    "lint": "eslint src tests",
+    "test": "jest --coverage --expand",
+    "test:watch": "jest --watch",
+    "coveralls": "cat ./coverage/lcov.info | coveralls && rm -rf ./coverage",
+    "prepublish": "yarn lint && yarn test && yarn clean && yarn build:umd",
+    "commit": "git-cz"
+  },
+  "keywords": [],
+  "author": "Helder Burato Berto <helder.burato@gmail.com> (https://helder.dev/)",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/codevor/js-library-boilerplate.git"
+  },
+  "bugs": {
+    "url": "https://github.com/codevor/js-library-boilerplate/issues"
+  },
+  "homepage": "https://github.com/codevor/js-library-boilerplate#readme",
+  "devDependencies": {
+    "@babel/cli": "^7.6.4",
+    "@babel/core": "^7.6.4",
+    "@babel/preset-env": "^7.6.3",
+    "babel-jest": "^24.9.0",
+    "babel-loader": "^8.0.6",
+    "commitizen": "^4.0.3",
+    "coveralls": "^3.0.7",
+    "cz-conventional-changelog": "3.0.2",
+    "eslint": "^6.5.1",
+    "eslint-config-airbnb-base": "^14.0.0",
+    "eslint-config-prettier": "^6.4.0",
+    "eslint-plugin-import": "^2.18.2",
+    "husky": "^3.0.9",
+    "jest": "^24.9.0",
+    "rimraf": "^3.0.0",
+    "uglifyjs-webpack-plugin": "^2.2.0",
+    "webpack": "^4.41.1",
+    "webpack-cli": "^3.3.9"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  }
+}

src/index.js

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+export function sum(x, y) {
+  return x + y;
+}

tests/sum.test.js

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+import { sum } from '../src';
+
+describe('sum', () => {
+  test('it should sum 2 + 2', () => {
+    expect(sum(2, 2)).toBe(4);
+  });
+});

webpack.config.js

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+const path = require('path');
+const webpack = require('webpack');
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+
+const isProduction = process.env.NODE_ENV === 'production';
+const mode = isProduction ? 'production' : 'development';
+
+const libraryName = 'js-library-boilerplate';
+
+module.exports = {
+  mode,
+  entry: {
+    [libraryName]: path.resolve(__dirname, 'src/index.js'),
+    [`${libraryName}.min`]: path.resolve(__dirname, 'src/index.js')
+  },
+  devtool: 'source-map',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    filename: '[name].js',
+    library: libraryName,
+    libraryTarget: 'umd',
+    umdNamedDefine: true,
+    globalObject: "typeof self !== 'undefined' ? self : this"
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            presets: ['@babel/preset-env']
+          }
+        },
+        exclude: /node_modules/
+      }
+    ]
+  },
+  optimization: {
+    minimize: true,
+    minimizer: [new UglifyJsPlugin({ include: /\.min\.js$/ })]
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV)
+    })
+  ],
+  resolve: {
+    extensions: ['.json', '.js']
+  }
+};