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node_modules/babel-plugin-transform-function-bind/.npmignore
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node_modules/babel-plugin-transform-function-bind/.npmignore
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node_modules
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*.log
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src
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test
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120
node_modules/babel-plugin-transform-function-bind/README.md
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120
node_modules/babel-plugin-transform-function-bind/README.md
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# babel-plugin-transform-function-bind
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> Compile the new function bind operator `::` to ES5.
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## Detail
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```js
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obj::func
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// is equivalent to:
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func.bind(obj)
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obj::func(val)
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// is equivalent to:
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func.call(obj, val)
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::obj.func(val)
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// is equivalent to:
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func.call(obj, val)
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```
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[Try in REPL](http://babeljs.io/repl/#?evaluate=true&presets=es2015%2Cstage-0&code=obj%3A%3Afunc%3B%0A%0Aobj%3A%3Afunc(val)%3B%0A%0A%3A%3Aobj.func(val)%3B)
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## Example
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### Basic
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```js
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const box = {
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weight: 2,
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getWeight() { return this.weight; },
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};
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const { getWeight } = box;
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console.log(box.getWeight()); // prints '2'
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const bigBox = { weight: 10 };
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console.log(bigBox::getWeight()); // prints '10'
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// Can be chained:
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function add(val) { return this + val; }
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console.log(bigBox::getWeight()::add(5)); // prints '15'
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```
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[Try in REPL](http://babeljs.io/repl/#?evaluate=true&presets=es2015%2Cstage-0&code=const%20box%20%3D%20%7B%0A%20%20weight%3A%202%2C%0A%20%20getWeight()%20%7B%20return%20this.weight%3B%20%7D%2C%0A%7D%3B%0A%0Aconst%20%7B%20getWeight%20%7D%20%3D%20box%3B%0A%0Aconsole.log(box.getWeight())%3B%20%2F%2F%20prints%20'2'%0A%0Aconst%20bigBox%20%3D%20%7B%20weight%3A%2010%20%7D%3B%0Aconsole.log(bigBox%3A%3AgetWeight())%3B%20%2F%2F%20prints%20'10'%0A%2F%2F%20bigBox%3A%3AgetWeight()%20is%20equivalent%20to%20getWeight.call(bigBox)%0A%0A%2F%2F%20Can%20be%20chained%3A%0Afunction%20add(val)%20%7B%20return%20this%20%2B%20val%3B%20%7D%0A%0Aconsole.log(bigBox%3A%3AgetWeight()%3A%3Aadd(5))%3B%20%2F%2F%20prints%20'15')
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### Using with `document.querySelectorAll`
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It can be very handy when used with `document.querySelectorAll`:
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```js
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const { map, filter } = Array.prototype;
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let sslUrls = document.querySelectorAll('a')
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::map(node => node.href)
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::filter(href => href.substring(0, 5) === 'https');
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console.log(sslUrls);
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```
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[Try in REPL](http://babeljs.io/repl/#?evaluate=true&presets=es2015%2Cstage-0&code=%0Aconst%20%7B%20map%2C%20filter%20%7D%20%3D%20Array.prototype%3B%0A%0Alet%20sslUrls%20%3D%20document.querySelectorAll('a')%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%3A%3Amap(node%20%3D%3E%20node.href)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%3A%3Afilter(href%20%3D%3E%20href.substring(0%2C%205)%20%3D%3D%3D%20'https')%3B%0A%0Aconsole.log(sslUrls)%3B%0A)
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`document.querySelectorAll` returns a `NodeList` element which is not a plain array, so you normally can't use the `map` function on it, and have to use it this way: `Array.prototype.map.call(document.querySelectorAll(...), node => { ... })`. The above code using the `::` will work because it is equivalent to:
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```js
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const { map, filter } = Array.prototype;
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let sslUrls = document.querySelectorAll('a');
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sslUrls = map.call(sslUrls, node => node.href);
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sslUrls = filter.call(sslUrls, href => href.substring(0, 5) === 'https');
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console.log(sslUrls);
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```
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### Auto self binding
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When nothing is specified before the `::` operator, the function is bound to its object:
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```js
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$('.some-link').on('click', ::view.reset);
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// is equivalent to:
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$('.some-link').on('click', view.reset.bind(view));
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```
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## Installation
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```sh
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npm install --save-dev babel-plugin-transform-function-bind
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```
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## Usage
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### Via `.babelrc` (Recommended)
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**.babelrc**
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```json
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{
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"plugins": ["transform-function-bind"]
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}
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```
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### Via CLI
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```sh
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babel --plugins transform-function-bind script.js
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```
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### Via Node API
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```javascript
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require("babel-core").transform("code", {
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plugins: ["transform-function-bind"]
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});
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```
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## References
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* [Proposal](https://github.com/zenparsing/es-function-bind)
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* [Babel Blog: Function Bind Syntax](/blog/2015/05/14/function-bind)
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60
node_modules/babel-plugin-transform-function-bind/lib/index.js
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node_modules/babel-plugin-transform-function-bind/lib/index.js
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"use strict";
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exports.__esModule = true;
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exports.default = function (_ref) {
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var t = _ref.types;
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function getTempId(scope) {
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var id = scope.path.getData("functionBind");
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if (id) return id;
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id = scope.generateDeclaredUidIdentifier("context");
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return scope.path.setData("functionBind", id);
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}
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function getStaticContext(bind, scope) {
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var object = bind.object || bind.callee.object;
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return scope.isStatic(object) && object;
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}
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function inferBindContext(bind, scope) {
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var staticContext = getStaticContext(bind, scope);
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if (staticContext) return staticContext;
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var tempId = getTempId(scope);
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if (bind.object) {
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bind.callee = t.sequenceExpression([t.assignmentExpression("=", tempId, bind.object), bind.callee]);
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} else {
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bind.callee.object = t.assignmentExpression("=", tempId, bind.callee.object);
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}
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return tempId;
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}
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return {
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inherits: require("babel-plugin-syntax-function-bind"),
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visitor: {
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CallExpression: function CallExpression(_ref2) {
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var node = _ref2.node,
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scope = _ref2.scope;
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var bind = node.callee;
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if (!t.isBindExpression(bind)) return;
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var context = inferBindContext(bind, scope);
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node.callee = t.memberExpression(bind.callee, t.identifier("call"));
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node.arguments.unshift(context);
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},
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BindExpression: function BindExpression(path) {
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var node = path.node,
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scope = path.scope;
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var context = inferBindContext(node, scope);
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path.replaceWith(t.callExpression(t.memberExpression(node.callee, t.identifier("bind")), [context]));
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}
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}
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};
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};
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module.exports = exports["default"];
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46
node_modules/babel-plugin-transform-function-bind/package.json
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46
node_modules/babel-plugin-transform-function-bind/package.json
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{
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"_from": "babel-plugin-transform-function-bind@^6.22.0",
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"_id": "babel-plugin-transform-function-bind@6.22.0",
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"_inBundle": false,
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"_integrity": "sha1-xvuOlqwpajELjPjqQBRiQH3fapc=",
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"_location": "/babel-plugin-transform-function-bind",
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"_phantomChildren": {},
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"_requested": {
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"type": "range",
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"registry": true,
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"raw": "babel-plugin-transform-function-bind@^6.22.0",
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"name": "babel-plugin-transform-function-bind",
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"escapedName": "babel-plugin-transform-function-bind",
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"rawSpec": "^6.22.0",
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"saveSpec": null,
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"fetchSpec": "^6.22.0"
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},
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"_requiredBy": [
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"/babel-preset-stage-0"
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],
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"_resolved": "https://registry.npmjs.org/babel-plugin-transform-function-bind/-/babel-plugin-transform-function-bind-6.22.0.tgz",
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"_shasum": "c6fb8e96ac296a310b8cf8ea401462407ddf6a97",
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"_spec": "babel-plugin-transform-function-bind@^6.22.0",
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"_where": "/Applications/XAMPP/xamppfiles/htdocs/wordpress/t-latehome/wp-content/plugins/opal-estate-pro/node_modules/babel-preset-stage-0",
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"bundleDependencies": false,
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"dependencies": {
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"babel-plugin-syntax-function-bind": "^6.8.0",
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"babel-runtime": "^6.22.0"
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},
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"deprecated": false,
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"description": "Compile function bind operator to ES5",
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"devDependencies": {
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"babel-helper-plugin-test-runner": "^6.22.0"
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},
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"keywords": [
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"babel-plugin"
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],
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"license": "MIT",
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"main": "lib/index.js",
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"name": "babel-plugin-transform-function-bind",
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"repository": {
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"type": "git",
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"url": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-function-bind"
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},
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"version": "6.22.0"
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}
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