├── test
    ├── fixtures
    │   ├── actual.js
    │   └── expected.js
    └── index.js
├── .gitignore
├── .npmignore
├── .editorconfig
├── src
    └── index.js
├── README.md
└── package.json


/test/fixtures/actual.js:
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1 | hiThere();
2 | 


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/.gitignore:
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1 | node_modules
2 | /dist
3 | *.log
4 | 


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/.npmignore:
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1 | node_modules
2 | /src
3 | *.log
4 | 


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/test/fixtures/expected.js:
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1 | "use strict";
2 | 
3 | "use helloworld";
4 | hiThere();
5 | 


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/.editorconfig:
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 1 | root = true
 2 | 
 3 | [*]
 4 | charset = utf-8
 5 | trim_trailing_whitespace = true
 6 | indent_style = tab
 7 | indent_size = 4
 8 | insert_final_newline = true
 9 | 
10 | [*.{json,babelrc,eslintrc}]
11 | indent_style = space
12 | indent_size = 2
13 | 


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/src/index.js:
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 1 | import 'better-log/install';
 2 | 
 3 | module.exports = function ({ types: t }) {
 4 | 	return {
 5 | 		visitor: {
 6 | 			Program(path, file) {
 7 | 				path.unshiftContainer('body', t.expressionStatement(t.stringLiteral('use helloworld')));
 8 | 			}
 9 | 		}
10 | 	};
11 | };
12 | 


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/README.md:
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 1 | # babel-plugin-hello-world
 2 | 
 3 | Extended plugin sample for Babel.
 4 | 
 5 | ## Installation
 6 | 
 7 | ```sh
 8 | $ npm install babel-plugin-hello-world
 9 | ```
10 | 
11 | ## Usage
12 | 
13 | ### Via `.babelrc` (Recommended)
14 | 
15 | **.babelrc**
16 | 
17 | ```json
18 | {
19 |   "plugins": ["hello-world"]
20 | }
21 | ```
22 | 
23 | ### Via CLI
24 | 
25 | ```sh
26 | $ babel --plugins hello-world script.js
27 | ```
28 | 
29 | ### Via Node API
30 | 
31 | ```javascript
32 | require('babel').transform('code', {
33 |   plugins: ['hello-world']
34 | });
35 | ```
36 | 


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/package.json:
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 1 | {
 2 |   "name": "babel-plugin-hello-world",
 3 |   "version": "1.0.0",
 4 |   "description": "Extended plugin sample for Babel",
 5 |   "repository": "RReverser/babel-plugin-hello-world",
 6 |   "license": "MIT",
 7 |   "main": "dist/index.js",
 8 |   "dependencies": {
 9 |     "babel-runtime": "^5.6.17",
10 |     "better-log": "^1.3.1"
11 |   },
12 |   "devDependencies": {
13 |     "babel": "^5.6.14",
14 |     "chalk": "^1.1.0",
15 |     "clear": "0.0.1",
16 |     "diff": "^1.4.0",
17 |     "watch": "^0.16.0"
18 |   },
19 |   "scripts": {
20 |     "release": "babel src --out-dir dist",
21 |     "test": "node test",
22 |     "watch": "node test --watch"
23 |   },
24 |   "keywords": [
25 |     "babel-plugin",
26 |     "sample",
27 |     "example"
28 |   ]
29 | }
30 | 


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/test/index.js:
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 1 | var assert = require('assert');
 2 | var babel = require('babel');
 3 | var chalk = require('chalk');
 4 | var clear = require('clear');
 5 | var diff = require('diff');
 6 | var fs = require('fs');
 7 | 
 8 | require('babel/register');
 9 | 
10 | var pluginPath = require.resolve('../src');
11 | 
12 | function runTest() {
13 | 	var output = babel.transformFileSync(__dirname + '/fixtures/actual.js', {
14 | 		optional: ['runtime'],
15 | 		plugins: [pluginPath]
16 | 	});
17 | 
18 | 	var expected = fs.readFileSync(__dirname + '/fixtures/expected.js', 'utf-8');
19 | 
20 | 	function normalizeLines(str) {
21 | 		return str.trimRight().replace(/\r\n/g, '\n');
22 | 	}
23 | 
24 | 	diff.diffLines(normalizeLines(output.code), normalizeLines(expected))
25 | 	.forEach(function (part) {
26 | 		var value = part.value;
27 | 		if (part.added) {
28 | 			value = chalk.green(part.value);
29 | 		} else if (part.removed) {
30 | 			value = chalk.red(part.value);
31 | 		}
32 | 		process.stdout.write(value);
33 | 	});
34 | 
35 | 	console.log();
36 | }
37 | 
38 | if (process.argv.indexOf('--watch') >= 0) {
39 | 	require('watch').watchTree(__dirname + '/..', function () {
40 | 		delete require.cache[pluginPath];
41 | 		clear();
42 | 		console.log('Press Ctrl+C to stop watching...');
43 | 		console.log('================================');
44 | 		try {
45 | 			runTest();
46 | 		} catch (e) {
47 | 			console.error(chalk.magenta(e.stack));
48 | 		}
49 | 	});
50 | } else {
51 | 	runTest();
52 | }
53 | 


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