embark-area-51/lib/pipeline/pipeline.js

232 lines
8.5 KiB
JavaScript

/*jshint esversion: 6, loopfunc: true */
let fs = require('../core/fs.js');
let async = require('async');
//var Plugins = require('../core/plugins.js');
var utils = require('../utils/utils.js');
//var Npm = require('../pipeline/npm.js');
//let currentWeb3Version = require('../../package.json').dependencies.web3.replace("^","");
const webpack = require("webpack");
class Pipeline {
constructor(options) {
this.buildDir = options.buildDir;
this.contractsFiles = options.contractsFiles;
this.assetFiles = options.assetFiles;
this.events = options.events;
this.logger = options.logger;
this.plugins = options.plugins;
}
build(abi, contractsJSON, path, callback) {
let self = this;
this.buildContracts(contractsJSON);
self.buildWeb3JS(function() {
// limit:1 due to issues when downloading required files such as web3.js
async.eachOfLimit(self.assetFiles, 1, function (files, targetFile, cb) {
// limit:1 due to issues when downloading required files such as web3.js
async.mapLimit(files, 1,
function(file, fileCb) {
self.logger.trace("reading " + file.filename);
if (file.filename.indexOf('.js') >= 0) {
let importsList = {};
//importsList["Embark/EmbarkJS"] = fs.embarkPath("js/embark.js");
importsList["Embark/EmbarkJS"] = utils.joinPath(fs.dappPath(), ".embark", 'embark.js');
importsList["Embark/web3"] = utils.joinPath(fs.dappPath(), ".embark", 'web3_instance.js');
//importsList["Embark/libs/IpfsApi"] = fs.embarkPath('js/ipfs.js');
async.waterfall([
function findImports(next) {
webpack({
entry: utils.joinPath(fs.dappPath(), file.filename),
output: {
libraryTarget: 'umd',
path: utils.joinPath(fs.dappPath(), '.embark'),
filename: file.filename
},
externals: function(context, request, callback) {
if (request === utils.joinPath(fs.dappPath(), file.filename)) {
callback();
} else {
if (request.indexOf('Embark/contracts/') === 0) {
let contractName = request.split('/')[2];
let contractCode = self.buildContractJS(contractName);
let filePath = utils.joinPath(fs.dappPath(), ".embark", contractName + '.js');
fs.writeFileSync(filePath, contractCode);
importsList[request] = filePath;
}
callback(null, "amd " + Math.random());
}
},
module: {
rules: [
{
test: /\.css$/,
use: [
{loader: "style-loader"},
{loader: "css-loader"}
]
}
]
}
}).run((_err, _stats) => {
next();
});
},
function runWebpack(next) {
webpack({
entry: utils.joinPath(fs.dappPath(), file.filename),
output: {
libraryTarget: 'umd',
path: utils.joinPath(fs.dappPath(), '.embark'),
filename: file.filename
},
resolve: {
alias: importsList
},
externals: function(context, request, callback) {
if (request === "Embark/contracts/all") {
return callback(null, fs.readFileSync(utils.joinPath(fs.dappPath(), '.embark', 'embark.js')));
// should be .toString() ?
}
callback();
},
module: {
rules: [
{
test: /\.css$/,
use: [
{loader: "style-loader"},
{loader: "css-loader"}
]
},
{
test: /\.scss$/,
use: [
{loader: "style-loader"},
{loader: "css-loader"}
]
},
{
test: /\.(png|woff|woff2|eot|ttf|svg)$/,
loader: 'url-loader?limit=100000'
}
]
}
}).run((_err, _stats) => {
next();
});
}
], function(_err, _result) {
let fileContent = fs.readFileSync('./.embark/' + file.filename).toString();
fileCb(null, {content: fileContent, filename: file.filename, path: file.path, modified: true});
});
} else {
file.content(function(fileContent) {
return fileCb(null, {content: fileContent, filename: file.filename, path: file.path, modified: true});
});
}
},
function (err, contentFiles) {
let dir = targetFile.split('/').slice(0, -1).join('/');
self.logger.trace("creating dir " + self.buildDir + dir);
fs.mkdirpSync(self.buildDir + dir);
// if it's a directory
if (targetFile.slice(-1) === '/' || targetFile.indexOf('.') === -1) {
let targetDir = targetFile;
if (targetDir.slice(-1) !== '/') {
targetDir = targetDir + '/';
}
contentFiles.map(function (file) {
let filename = file.filename.replace('app/', '');
filename = filename.replace(targetDir, '');
self.logger.info("writing file " + (self.buildDir + targetDir + filename).bold.dim);
fs.copySync(self.buildDir + targetDir + filename, file.path, {overwrite: true});
});
} else {
let content = contentFiles.map(function (file) {
if (file === undefined) {
return "";
}
return file.content;
}).join("\n");
self.logger.info("writing file " + (self.buildDir + targetFile).bold.dim);
fs.writeFileSync(self.buildDir + targetFile, content);
}
cb();
}
);
},
function (_err, _results) {
callback();
});
});
}
buildContracts(contractsJSON) {
fs.mkdirpSync(this.buildDir + 'contracts');
for (let className in contractsJSON) {
let contract = contractsJSON[className];
fs.writeJSONSync(this.buildDir + 'contracts/' + className + ".json", contract, {spaces: 2});
}
}
buildContractJS(contractName) {
let contractJSON = fs.readFileSync('dist/contracts/' + contractName + '.json').toString();
let contractCode = "";
contractCode += "import web3 from 'Embark/web3';\n";
contractCode += "import EmbarkJS from 'Embark/EmbarkJS';\n";
contractCode += "let " + contractName + "JSONConfig = " + contractJSON + ";\n";
contractCode += "let " + contractName + " = new EmbarkJS.Contract(" + contractName + "JSONConfig);\n";
contractCode += "\n__embarkContext.execWhenReady(function() {\n";
contractCode += "\n" + contractName + ".setProvider(web3.currentProvider);\n";
contractCode += "\n});\n";
contractCode += "export default " + contractName + ";\n";
return contractCode;
}
buildWeb3JS(cb) {
this.events.request('provider-code', function(providerCode) {
let code = "";
code += "\nimport Web3 from '" + utils.joinPath(fs.embarkPath("js/web3-1.0.min.js")) + "'\n";
code += "\n if (typeof web3 !== 'undefined') {";
code += "\n } else {";
code += "\n var web3 = new Web3();\n";
code += "\n }";
code += providerCode;
code += "\nglobal.__embarkContext = __mainContext.__loadManagerInstance;\n";
code += "\nwindow.web3 = web3;\n";
code += "\nexport default web3;\n";
let filePath = utils.joinPath(fs.dappPath(), ".embark", 'web3_instance.js');
fs.mkdirpSync(utils.joinPath(fs.dappPath(), ".embark"));
fs.writeFileSync(filePath, code);
cb();
});
}
}
module.exports = Pipeline;