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  "readme": "# babel-plugin-syntax-trailing-function-commas\n\nCompile trailing function commas to ES5\n\n\n```js\nfunction clownPuppiesEverywhere(\n  param1,\n  param2,\n) { /* ... */ }\n\nclownPuppiesEverywhere(\n  'foo',\n  'bar',\n);\n```\n[Try in REPL](http://babeljs.io/repl/#?evaluate=true&presets=es2015%2Cstage-0&code=function%20clownPuppiesEverywhere(%0A%20%20param1%2C%0A%20%20param2%2C%0A)%20%7B%20%2F*%20...%20*%2F%20%7D%0A%0AclownPuppiesEverywhere(%0A%20%20'foo'%2C%0A%20%20'bar'%2C%0A)%3B)\n\n## Example\n\n### Basic\nThis is an example from the [Proposal](https://github.com/jeffmo/es-trailing-function-commas).\n\nLet's say you have this function:\n\n```js\nfunction clownPuppiesEverywhere(\n  param1,\n  param2\n) { /* ... */ }\n\nclownPuppiesEverywhere(\n  'foo',\n  'bar'\n);\n```\n\nIf you want to have a new parameter called `param3`, the diff output would be like that:\n\n```diff\nfunction clownPuppiesEverywhere(\n  param1,\n- param2\n+ param2, // Change this line to add a comma\n+ param3  // Add param3\n) { /* ... */ }\n\nclownPuppiesEverywhere(\n  'foo',\n- 'bar'\n+ 'bar', // Change this line to add a comma\n+ 'baz'  // Add param3\n);\n```\nIn total, you have to change 2 lines for the function declaration and 2 lines for each usage.\n\nIf you had your function defined with trailing commas:\n\n```js\nfunction clownPuppiesEverywhere(\n  param1,\n  param2,\n) { /* ... */ }\n\nclownPuppiesEverywhere(\n  'foo',\n  'bar',\n);\n```\nAdding a new parameter would only change one line in the function declaration and one line for each usage:\n\n```diff\nfunction clownPuppiesEverywhere(\n  param1,\n  param2,\n+ param3, // Add param3\n) { /* ... */ }\n\nclownPuppiesEverywhere(\n  'foo',\n  'bar',\n+ 'baz', // Add param3\n);\n```\nIn the end, your diff output will be cleaner and easier to read, it would be much quicker to add a new parameter to your functions, it also makes it easier to copy paste elements and move code around.\n\n## Installation\n\n```sh\nnpm install --save-dev babel-plugin-syntax-trailing-function-commas\n```\n\n## Usage\n\n### Via `.babelrc` (Recommended)\n\n**.babelrc**\n\n```json\n{\n  \"plugins\": [\"syntax-trailing-function-commas\"]\n}\n```\n\n### Via CLI\n\n```sh\nbabel --plugins syntax-trailing-function-commas script.js\n```\n\n### Via Node API\n\n```javascript\nrequire(\"babel-core\").transform(\"code\", {\n  plugins: [\"syntax-trailing-function-commas\"]\n});\n```\n\n## References\n\n* [Proposal](https://github.com/jeffmo/es-trailing-function-commas)\n* [Spec](http://jeffmo.github.io/es-trailing-function-commas/)\n* [Why you should enforce Dangling Commas for Multiline Statements](https://medium.com/@nikgraf/why-you-should-enforce-dangling-commas-for-multiline-statements-d034c98e36f8)\n",
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