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-# @babel/plugin-transform-arrow-functions
-
-> Compile ES2015 arrow functions to ES5
-
-## Example
-
-**In**
-
-```javascript
-var a = () => {};
-var a = (b) => b;
-
-const double = [1,2,3].map((num) => num * 2);
-console.log(double); // [2,4,6]
-
-var bob = {
- _name: "Bob",
- _friends: ["Sally", "Tom"],
- printFriends() {
- this._friends.forEach(f =>
- console.log(this._name + " knows " + f));
- }
-};
-console.log(bob.printFriends());
-```
-
-**Out**
-
-```javascript
-var a = function () {};
-var a = function (b) {
- return b;
-};
-
-const double = [1, 2, 3].map(function (num) {
- return num * 2;
-});
-console.log(double); // [2,4,6]
-
-var bob = {
- _name: "Bob",
- _friends: ["Sally", "Tom"],
- printFriends() {
- var _this = this;
-
- this._friends.forEach(function (f) {
- return console.log(_this._name + " knows " + f);
- });
- }
-};
-console.log(bob.printFriends());
-```
-
-## Installation
-
-```sh
-npm install --save-dev @babel/plugin-transform-arrow-functions
-```
-
-## Usage
-
-### Via `.babelrc` (Recommended)
-
-**.babelrc**
-
-Without options:
-
-```json
-{
- "plugins": ["@babel/plugin-transform-arrow-functions"]
-}
-```
-
-With options:
-
-```json
-{
- "plugins": [
- ["@babel/plugin-transform-arrow-functions", { "spec": true }]
- ]
-}
-```
-
-### Via CLI
-
-```sh
-babel --plugins @babel/plugin-transform-arrow-functions script.js
-```
-
-### Via Node API
-
-```javascript
-require("@babel/core").transform("code", {
- plugins: ["@babel/plugin-transform-arrow-functions"]
-});
-```
-
-## Options
-
-### `spec`
-
-`boolean`, defaults to `false`.
-
-<p><details>
- <summary><b>Example</b></summary>
-
- Using spec mode with the above example produces:
-
- ```js
- var _this = this;
-
- var a = function a() {
- babelHelpers.newArrowCheck(this, _this);
- }.bind(this);
- var a = function a(b) {
- babelHelpers.newArrowCheck(this, _this);
- return b;
- }.bind(this);
-
- const double = [1, 2, 3].map(function (num) {
- babelHelpers.newArrowCheck(this, _this);
- return num * 2;
- }.bind(this));
- console.log(double); // [2,4,6]
-
- var bob = {
- _name: "Bob",
- _friends: ["Sally", "Tom"],
- printFriends() {
- var _this2 = this;
-
- this._friends.forEach(function (f) {
- babelHelpers.newArrowCheck(this, _this2);
- return console.log(this._name + " knows " + f);
- }.bind(this));
- }
- };
- console.log(bob.printFriends());
- ```
-</details></p>
-
-This option enables the following:
-
- - Wrap the generated function in `.bind(this)` and keeps uses of `this` inside
- the function as-is, instead of using a renamed `this`.
-
- - Add a runtime check to ensure the functions are not instantiated.
-
- - Add names to arrow functions.