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‎README.md‎

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# laravel-localization-loader
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# Laravel Localization loader
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Laravel Localization loader for webpack. Convert Laravel Translation strings to JavaScript Objects.
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## Installation
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```shell
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npm install laravel-localization-loader
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```

‎loader/index.js‎

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const phpArrayParser = require('./parser/php-array')
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const jsonParser = require('json-loader');
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const laravelLocalizationLoader = function(source) {
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const isPHP = ~source.indexOf('<?php')
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if (isPHP) {
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return phpArrayParser(source)
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} else {
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return jsonParser(source)
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}
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}
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module.exports = laravelLocalizationLoader

‎loader/parser/php-array.js‎

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const engine = require('php-parser')
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const parser = new engine({
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parser: { extractDoc: true },
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ast: { withPositions: true },
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})
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const phpArrayParser = function (source) {
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const ast = parser.parseCode(source)
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const ret = ast.children.find((child) => child.kind === 'return')
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const parsed = parse(ret.expr)
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.reduce((acc, val) => Object.assign({}, acc, val), {})
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return `module.exports = ${JSON.stringify(parsed)};`
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}
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function parse(expr) {
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switch(expr.kind) {
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case 'array':
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return expr.items.map(parse)
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case 'entry':
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return { [parse(expr.key)]: parse(expr.value) }
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case 'string':
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return expr.value
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case 'number':
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return parseInt(expr.value, 10)
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default:
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throw new Error(`Unexpected PHP token ${expr.kind}`)
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}
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}
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module.exports = phpArrayParser

‎package.json‎

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{
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"name": "laravel-localization-loader",
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"version": "1.0.0",
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"description": "Laravel Localization loader for webpack. Convert Laravel Translation strings to JavaScript Objects.",
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"main": "loader/index.js",
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"repository": "git@github.com:rmariuzzo/laravel-localization-loader.git",
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"author": "Rubens Mariuzzo <rubens@mariuzzo.com>",
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"license": "MIT",
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"scripts": {
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"test": "jest --config tests/jest.config.json"
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},
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"devDependencies": {
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"jest": "^19.0.2",
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"json-loader": "^0.5.4",
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"webpack": "^2.2.1",
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"webpack-merge": "^4.0.0"
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},
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"dependencies": {
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"php-parser": "^2.0.2"
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}
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}

‎tests/fixtures/index.js‎

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const message = require('./resources/lang/en/messages.php')
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console.log(message);

‎tests/fixtures/resources/lang/en/messages.php‎

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<?php
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return [
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'string' => 'Rubens',
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'number' => 123,
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];

‎tests/jest.config.json‎

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{
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"verbose": true,
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"notify": false,
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"modulePathIgnorePatterns": ["/tests/output/"]
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}

‎tests/loader.test.js‎

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const path = require('path')
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const webpack = require('webpack')
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const merge = require('webpack-merge')
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test('should load PHP array translation file', () => {
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return runWebpack({
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entry: path.join(__dirname, './fixtures/resources/lang/en/messages.php'),
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})
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.then((result) => {
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expect(result).toBeDefined()
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expect(result).toHaveProperty('string', 'Rubens')
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expect(result).toHaveProperty('number', 123)
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})
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})
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function runWebpack(config) {
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return new Promise((resolve, reject) => {
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const webpackConfig = merge({
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output: {
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path: path.join(__dirname, 'output'),
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filename: 'translation.js',
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libraryTarget: 'umd',
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},
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module: {
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rules: [
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{
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test: /resources\/lang.+\.php$/,
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loader: 'laravel-localization-loader',
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}
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]
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},
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resolveLoader: {
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alias: {
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'laravel-localization-loader': path.resolve(__dirname, '../loader/index.js'),
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}
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}
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}, config)
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webpack(webpackConfig, (webpackError, stats) => {
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const error = webpackError ||
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(stats.hasErrors() && stats.compilation.errors[0]) ||
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(stats.hasWarnings() && stats.compilation.warnings[0])
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if (error) {
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return reject(error)
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}
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delete require.cache[path.resolve(__dirname, './output/translation.js')]
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return resolve(require('./output/translation.js'))
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})
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})
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}

‎tests/output/translation.js‎

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(function webpackUniversalModuleDefinition(root, factory) {
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if(typeof exports === 'object' && typeof module === 'object')
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module.exports = factory();
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else if(typeof define === 'function' && define.amd)
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define([], factory);
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else {
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var a = factory();
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for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
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}
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})(this, function() {
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return /******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId])
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/******/ return installedModules[moduleId].exports;
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/******/
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // identity function for calling harmony imports with the correct context
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/******/ __webpack_require__.i = function(value) { return value; };
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, {
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/******/ configurable: false,
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/******/ enumerable: true,
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/******/ get: getter
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/******/ });
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/******/ }
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 0);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */
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/***/ (function(module, exports) {
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module.exports = {"string":"Rubens","number":123};
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/***/ })
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/******/ ]);
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});

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