mirror of https://github.com/embarklabs/embark.git
320 lines
11 KiB
JavaScript
320 lines
11 KiB
JavaScript
let fs = require('../core/fs.js');
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let async = require('async');
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var utils = require('../utils/utils.js');
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const webpack = require("webpack");
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require("babel-preset-react");
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require("babel-preset-es2015");
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require("babel-preset-es2016");
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require("babel-preset-es2017");
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class Pipeline {
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constructor(options) {
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this.buildDir = options.buildDir;
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this.contractsFiles = options.contractsFiles;
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this.assetFiles = options.assetFiles;
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this.events = options.events;
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this.logger = options.logger;
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this.plugins = options.plugins;
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}
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build(abi, contractsJSON, path, callback) {
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let self = this;
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this.buildContracts(contractsJSON);
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self.buildWeb3JS(function() {
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// limit:1 due to issues when downloading required files such as web3.js
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async.eachOfLimit(self.assetFiles, 1, function (files, targetFile, cb) {
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// limit:1 due to issues when downloading required files such as web3.js
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async.mapLimit(files, 1,
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function(file, fileCb) {
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self.logger.trace("reading " + file.filename);
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if (file.filename.indexOf('.js') >= 0) {
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let importsList = {};
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importsList["Embark/EmbarkJS"] = fs.dappPath(".embark", 'embark.js');
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importsList["Embark/web3"] = fs.dappPath(".embark", 'web3_instance.js');
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self.plugins.getPluginsProperty('imports', 'imports').forEach(function (importObject) {
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let [importName, importLocation] = importObject;
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importsList[importName] = importLocation;
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});
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for (let contractName in contractsJSON) {
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let contractCode = self.buildContractJS(contractName);
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let filePath = fs.dappPath(".embark", contractName + '.js');
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fs.writeFileSync(filePath, contractCode);
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importsList["Embark/contracts/" + contractName] = filePath;
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}
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let realCwd;
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async.waterfall([
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function findImports(next) {
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self.webpackRun(file.filename, {}, false, importsList, false, next);
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},
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function changeCwd(next) {
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realCwd = utils.pwd();
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process.chdir(fs.embarkPath(''));
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next();
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},
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//function findImportsPhase2(next) {
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// console.log("====> findImports_2");
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// self.webpackRun(file.filename, {
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// externals: function(context, request, callback) {
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// if (request === utils.joinPath(fs.dappPath(), file.filename)) {
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// callback();
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// } else {
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// //if (request.indexOf('Embark/contracts/') === 0) {
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// // let contractName = request.split('/')[2];
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// // let contractCode = self.buildContractJS(contractName);
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// // let filePath = utils.joinPath(fs.dappPath(), ".embark", contractName + '.js');
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// // fs.writeFileSync(filePath, contractCode);
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// // importsList[request] = filePath;
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// //}
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// callback(null, "amd " + Math.random());
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// }
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// }
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// }, true, importsList, next);
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//},
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function runWebpack(next) {
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self.webpackRun(file.filename, {}, true, importsList, true, next);
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},
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function changeCwdBack(next) {
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process.chdir(realCwd);
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next();
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}
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], function(err, _result) {
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if (err) {
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process.chdir(realCwd);
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self.logger.error(err);
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return fileCb(err);
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}
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if (!fs.existsSync('./.embark/' + file.filename)) {
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self.logger.error("couldn't find file: " + file.filename);
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return fileCb("couldn't find file: " + file.filename);
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}
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let fileContent = fs.readFileSync('./.embark/' + file.filename).toString();
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self.runPlugins(file, fileContent, fileCb);
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});
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} else {
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file.content(function(fileContent) {
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self.runPlugins(file, fileContent, fileCb);
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});
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}
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},
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function (err, contentFiles) {
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if (err) {
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self.logger.warn('errors found while generating ' + targetFile);
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}
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let dir = targetFile.split('/').slice(0, -1).join('/');
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self.logger.trace("creating dir " + self.buildDir + dir);
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fs.mkdirpSync(self.buildDir + dir);
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// if it's a directory
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if (targetFile.slice(-1) === '/' || targetFile.indexOf('.') === -1) {
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let targetDir = targetFile;
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if (targetDir.slice(-1) !== '/') {
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targetDir = targetDir + '/';
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}
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contentFiles.map(function (file) {
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let filename = file.filename.replace(file.basedir + '/', '');
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self.logger.info("writing file " + (self.buildDir + targetDir + filename).bold.dim);
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fs.copySync(file.path, self.buildDir + targetDir + filename, {overwrite: true});
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});
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} else {
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let content = contentFiles.map(function (file) {
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if (file === undefined) {
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return "";
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}
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return file.content;
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}).join("\n");
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self.logger.info("writing file " + (self.buildDir + targetFile).bold.dim);
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fs.writeFileSync(self.buildDir + targetFile, content);
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}
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cb();
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}
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);
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},
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function (_err, _results) {
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callback();
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});
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});
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}
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runPlugins(file, fileContent, fileCb) {
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const self = this;
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let pipelinePlugins = self.plugins.getPluginsFor('pipeline');
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if (pipelinePlugins.length <= 0) {
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return fileCb(null, {content: fileContent, filename: file.filename, path: file.path, basedir: file.basedir, modified: true});
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}
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async.eachSeries(pipelinePlugins,
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function(plugin, pluginCB) {
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if (file.options && file.options.skipPipeline) {
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return pluginCB();
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}
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fileContent = plugin.runPipeline({targetFile: file.filename, source: fileContent});
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file.modified = true;
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pluginCB();
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},
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function (err) {
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if (err) {
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self.logger.error(err.message);
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}
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return fileCb(null, {content: fileContent, filename: file.filename, path: file.path, basedir: file.basedir, modified: true});
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}
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);
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}
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webpackRun(filename, options, includeModules, importsList, detectErrors, callback) {
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let defaultOptions = {
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entry: fs.dappPath(filename),
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output: {
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libraryTarget: 'umd',
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path: fs.dappPath('.embark'),
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filename: filename
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},
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resolve: {
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alias: importsList,
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modules: [
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fs.embarkPath('node_modules'),
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fs.dappPath('node_modules')
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]
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},
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externals: function(context, request, callback) {
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callback();
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}
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};
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let webpackOptions = utils.recursiveMerge(defaultOptions, options);
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if (includeModules) {
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webpackOptions.module = {
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rules: [
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{
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test: /\.css$/,
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use: [{loader: "style-loader"}, {loader: "css-loader"}]
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},
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{
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test: /\.scss$/,
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use: [{loader: "style-loader"}, {loader: "css-loader"}]
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},
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{
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test: /\.(png|woff|woff2|eot|ttf|svg)$/,
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loader: 'url-loader?limit=100000'
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},
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{
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test: /\.js$/,
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loader: "babel-loader",
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exclude: /(node_modules|bower_components)/,
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options: {
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presets: ['babel-preset-es2016', 'babel-preset-es2017', 'babel-preset-react'].map(require.resolve),
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plugins: ["babel-plugin-webpack-aliases"].map(require.resolve),
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compact: false
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}
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}
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]
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};
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}
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webpack(webpackOptions).run((_err, _stats) => {
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if (!detectErrors) {
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return callback();
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}
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if (_stats.hasErrors()) {
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return callback(_stats.toJson().errors.join("\n"));
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}
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callback();
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});
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}
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buildContracts(contractsJSON) {
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fs.mkdirpSync(fs.dappPath(this.buildDir, 'contracts'));
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for (let className in contractsJSON) {
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let contract = contractsJSON[className];
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fs.writeJSONSync(fs.dappPath(this.buildDir, 'contracts', className + ".json"), contract, {spaces: 2});
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}
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}
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buildContractJS(contractName) {
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let contractJSON = fs.readFileSync(fs.dappPath(this.buildDir, 'contracts', contractName + '.json')).toString();
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let contractCode = "";
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contractCode += "import web3 from 'Embark/web3';\n";
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contractCode += "import EmbarkJS from 'Embark/EmbarkJS';\n";
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contractCode += "let " + contractName + "JSONConfig = " + contractJSON + ";\n";
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contractCode += "let " + contractName + " = new EmbarkJS.Contract(" + contractName + "JSONConfig);\n";
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contractCode += "\n__embarkContext.execWhenReady(function() {\n";
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contractCode += "\n" + contractName + ".setProvider(web3.currentProvider);\n";
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contractCode += "\n});\n";
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contractCode += "export default " + contractName + ";\n";
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return contractCode;
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}
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buildWeb3JS(cb) {
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const self = this;
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let code = "";
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async.waterfall([
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function getWeb3Location(next) {
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self.events.request("version:get:web3", function(web3Version) {
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if (web3Version === "1.0.0-beta") {
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return next(null, utils.joinPath(fs.embarkPath("js/web3-1.0.min.js")));
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} else {
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self.events.request("version:getPackageLocation", "web3", web3Version, function(err, location) {
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return next(null, fs.dappPath(location));
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});
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}
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});
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},
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function getImports(web3Location, next) {
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web3Location = web3Location.replace(/\\/g, '/'); // Import paths must always have forward slashes
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code += "\nimport Web3 from '" + web3Location + "';\n";
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code += "\n if (typeof web3 !== 'undefined') {";
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code += "\n } else {";
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code += "\n var web3 = new Web3();\n";
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code += "\n }";
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self.events.request('provider-code', function(providerCode) {
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code += providerCode;
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code += "\nglobal.__embarkContext = __mainContext.__loadManagerInstance;\n";
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code += "\nwindow.web3 = web3;\n";
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code += "\nexport default web3;\n";
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next();
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});
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},
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function writeFile(next) {
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fs.mkdirpSync(fs.dappPath(".embark"));
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fs.writeFileSync(fs.dappPath(".embark", 'web3_instance.js'), code);
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next();
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}
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], function(_err, _result) {
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cb();
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});
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}
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}
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module.exports = Pipeline;
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