278 lines
9.4 KiB
JavaScript
278 lines
9.4 KiB
JavaScript
var fs = require('./fs.js');
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var Plugins = require('./plugins.js');
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var utils = require('./utils.js');
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// TODO: add wrapper for fs so it can also work in the browser
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// can work with both read and save
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var Config = function(options) {
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this.env = options.env;
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this.blockchainConfig = {};
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this.contractsConfig = {};
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this.pipelineConfig = {};
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this.webServerConfig = {};
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this.chainTracker = {};
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this.assetFiles = {};
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this.contractsFiles = [];
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this.configDir = options.configDir || 'config/';
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this.chainsFile = options.chainsFile || './chains.json';
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this.plugins = options.plugins;
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this.logger = options.logger;
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this.events = options.events;
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};
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Config.prototype.loadConfigFiles = function(options) {
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var interceptLogs = options.interceptLogs;
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if (options.interceptLogs === undefined) {
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interceptLogs = true;
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}
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//Check if the config file exists
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var embarkConfigExists = fs.existsSync(options.embarkConfig);
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if(!embarkConfigExists){
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this.logger.error('Cannot find file ' + options.embarkConfig + '. Please ensure you are running this command inside the Dapp folder');
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process.exit(1);
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}
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this.embarkConfig = fs.readJSONSync(options.embarkConfig);
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this.embarkConfig.plugins = this.embarkConfig.plugins || {};
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this.plugins = new Plugins({plugins: this.embarkConfig.plugins, logger: this.logger, interceptLogs: interceptLogs, events: this.events});
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this.plugins.loadPlugins();
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this.loadEmbarkConfigFile();
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this.loadBlockchainConfigFile();
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this.loadStorageConfigFile();
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this.loadCommunicationConfigFile();
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this.loadPipelineConfigFile();
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this.loadContractsConfigFile();
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this.loadWebServerConfigFile();
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this.loadChainTrackerFile();
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this.loadPluginContractFiles();
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};
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Config.prototype.reloadConfig = function() {
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this.loadEmbarkConfigFile();
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this.loadBlockchainConfigFile();
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this.loadStorageConfigFile();
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this.loadCommunicationConfigFile();
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this.loadPipelineConfigFile();
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this.loadContractsConfigFile();
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this.loadChainTrackerFile();
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};
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Config.prototype.loadBlockchainConfigFile = function() {
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var defaultBlockchainConfig = fs.readJSONSync(this.configDir + "blockchain.json");
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this.blockchainConfig = defaultBlockchainConfig[this.env] || {};
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if (this.blockchainConfig.enabled === undefined) {
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this.blockchainConfig.enabled = true;
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}
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};
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Config.prototype.loadContractsConfigFile = function() {
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var configObject = {};
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var configPlugins = this.plugins.getPluginsFor('contractsConfig');
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if (configPlugins.length > 0) {
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configPlugins.forEach(function(plugin) {
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plugin.contractsConfigs.forEach(function(pluginConfig) {
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configObject = utils.recursiveMerge(configObject, pluginConfig);
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});
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});
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}
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var contractsConfig = fs.readJSONSync(this.configDir + "contracts.json");
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configObject = utils.recursiveMerge(configObject, contractsConfig);
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var defaultContractsConfig = configObject['default'];
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var envContractsConfig = configObject[this.env];
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var mergedConfig = utils.recursiveMerge(defaultContractsConfig, envContractsConfig);
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this.contractsConfig = mergedConfig;
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};
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Config.prototype.loadStorageConfigFile = function() {
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var configObject = {};
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//var configPlugins = this.plugins.getPluginsFor('storageConfig');
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//if (configPlugins.length > 0) {
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// configPlugins.forEach(function(plugin) {
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// plugin.contractsConfigs.forEach(function(pluginConfig) {
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// configObject = utils.recursiveMerge(configObject, pluginConfig);
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// });
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// });
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//}
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var storageConfig = fs.readJSONSync(this.configDir + "storage.json");
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configObject = utils.recursiveMerge(configObject, storageConfig);
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var defaultStorageConfig = configObject['default'];
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var envStorageConfig = configObject[this.env];
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var mergedConfig = utils.recursiveMerge(defaultStorageConfig, envStorageConfig);
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this.storageConfig = mergedConfig || {};
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if (this.storageConfig.enabled === undefined) {
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this.storageConfig.enabled = true;
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}
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if (this.storageConfig.available_providers === undefined) {
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this.storageConfig.available_providers = [];
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}
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};
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Config.prototype.loadCommunicationConfigFile = function() {
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var configObject = {};
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//var configPlugins = this.plugins.getPluginsFor('communicationConfig');
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//if (configPlugins.length > 0) {
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// configPlugins.forEach(function(plugin) {
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// plugin.contractsConfigs.forEach(function(pluginConfig) {
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// configObject = utils.recursiveMerge(configObject, pluginConfig);
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// });
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// });
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//}
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var communicationConfig = fs.readJSONSync(this.configDir + "communication.json");
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configObject = utils.recursiveMerge(configObject, communicationConfig);
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var defaultCommunicationConfig = configObject['default'];
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var envCommunicationConfig = configObject[this.env];
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var mergedConfig = utils.recursiveMerge(defaultCommunicationConfig, envCommunicationConfig);
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this.communicationConfig = mergedConfig || {};
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if (this.communicationConfig.enabled === undefined) {
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this.communicationConfig.enabled = true;
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}
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if (this.communicationConfig.available_providers === undefined) {
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this.communicationConfig.available_providers = [];
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}
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};
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Config.prototype.loadWebServerConfigFile = function() {
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var webServerConfigJSON = fs.readJSONSync(this.configDir + "webserver.json");
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var defaultWebConfig = {
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"enabled": true,
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"host": "localhost",
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"port": 8000
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};
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this.webServerConfig = utils.recursiveMerge(defaultWebConfig, webServerConfigJSON);
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};
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Config.prototype.loadEmbarkConfigFile = function() {
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var contracts = this.embarkConfig.contracts;
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this.contractsFiles = this.loadFiles(contracts);
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this.buildDir = this.embarkConfig.buildDir;
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this.configDir = this.embarkConfig.config;
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};
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Config.prototype.loadPipelineConfigFile = function() {
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var assets = this.embarkConfig.app;
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for(var targetFile in assets) {
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this.assetFiles[targetFile] = this.loadFiles(assets[targetFile]);
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}
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};
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Config.prototype.loadChainTrackerFile = function() {
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//var self = this;
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var chainTracker;
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try {
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chainTracker = fs.readJSONSync(this.chainsFile);
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}
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catch(err) {
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//self.logger.info(this.chainsFile + ' file not found, creating it...');
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chainTracker = {};
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fs.writeJSONSync(this.chainsFile, {});
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}
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this.chainTracker = chainTracker;
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};
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Config.prototype.loadFiles = function(files) {
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var self = this;
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var originalFiles = utils.filesMatchingPattern(files);
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var readFiles = [];
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// get embark.js object first
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originalFiles.filter(function(file) {
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return file.indexOf('.') >= 0;
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}).filter(function(file) {
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if (file === 'embark.js') {
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if (self.blockchainConfig.enabled || self.communicationConfig.provider === 'whisper' || self.communicationConfig.available_providers.indexOf('whisper') >= 0) {
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readFiles.push({filename: 'web3.js', content: fs.readFileSync(fs.embarkPath("js/web3.js")).toString(), path: fs.embarkPath("js/web3.js")});
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}
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if (self.storageConfig.enabled && (self.storageConfig.provider === 'ipfs' || self.storageConfig.available_providers.indexOf('ipfs') >= 0)) {
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readFiles.push({filename: 'ipfs.js', content: fs.readFileSync(fs.embarkPath("js/ipfs.js")).toString(), path: fs.embarkPath("js/ipfs.js")});
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}
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if (self.communicationConfig.enabled && (self.communicationConfig.provider === 'orbit' || self.communicationConfig.available_providers.indexOf('orbit') >= 0)) {
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// TODO: remove duplicated files if functionality is the same for storage and orbit
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readFiles.push({filename: 'ipfs-api.js', content: fs.readFileSync(fs.embarkPath("js/ipfs-api.min.js")).toString(), path: fs.embarkPath("js/ipfs-api.min.js")});
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readFiles.push({filename: 'orbit.js', content: fs.readFileSync(fs.embarkPath("js/orbit.min.js")).toString(), path: fs.embarkPath("js/orbit.min.js")});
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}
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readFiles.push({filename: 'embark.js', content: fs.readFileSync(fs.embarkPath("js/build/embark.bundle.js")).toString(), path: fs.embarkPath("js/build/embark.bundle.js")});
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}
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});
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// get plugins
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var filesFromPlugins = [];
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var filePlugins = self.plugins.getPluginsFor('pipelineFiles');
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if (filePlugins.length > 0) {
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filePlugins.forEach(function(plugin) {
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try {
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var fileObjects = plugin.runFilePipeline();
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for (var i=0; i < fileObjects.length; i++) {
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var fileObject = fileObjects[i];
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filesFromPlugins.push(fileObject);
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}
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}
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catch(err) {
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self.logger.error(err.message);
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}
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});
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}
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filesFromPlugins.filter(function(file) {
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if (utils.fileMatchesPattern(files, file.intendedPath)) {
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readFiles.push(file);
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}
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});
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// get user files
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originalFiles.filter(function(file) {
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return file.indexOf('.') >= 0;
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}).filter(function(file) {
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if (file === 'embark.js') {
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return;
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} else if (file === 'abi.js') {
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readFiles.push({filename: file, content: "", path: file});
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} else {
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readFiles.push({filename: file, content: fs.readFileSync(file).toString(), path: file});
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}
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});
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return readFiles;
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};
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Config.prototype.loadPluginContractFiles = function() {
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var self = this;
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var contractsPlugins = this.plugins.getPluginsFor('contractFiles');
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if (contractsPlugins.length > 0) {
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contractsPlugins.forEach(function(plugin) {
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plugin.contractsFiles.forEach(function(file) {
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var filename = file.replace('./','');
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self.contractsFiles.push({filename: filename, content: plugin.loadPluginFile(file), path: plugin.pathToFile(file)});
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});
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});
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}
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};
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module.exports = Config;
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