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Merge pull request #418 from embark-framework/refactor_pipeline 

Refactor pipeline
This commit is contained in:
Iuri Matias 2018-05-16 18:15:51 -04:00 committed by GitHub
parent 965c34d3ed b1fab3e77c
commit 01ae387c74
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 123 additions and 86 deletions
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78
lib/contracts/code_generator.js
View File

@ -1,5 +1,6 @@
let async = require('async');
let fs = require('../core/fs.js');
const utils = require('../utils/utils.js');
require('ejs');
const Templates = {
@ -96,6 +97,15 @@ class CodeGenerator {
cb(vanillaABI, contractsJSON);
});
this.events.setCommandHandlerOnce('code-generator:web3js', function(cb) {
self.buildWeb3JS(cb);
});
self.events.setCommandHandler('code-generator:contract', (contractName, cb) => {
let contract = self.contractsManager.contracts[contractName];
self.buildContractJS(contractName, self.generateContractJSON(contractName, contract), cb);
});
}
generateContext() {
@ -250,11 +260,7 @@ class CodeGenerator {
return result;
}
generateContractsJSON() {
let contracts = {};
for (let className in this.contractsManager.contracts) {
let contract = this.contractsManager.contracts[className];
generateContractJSON(className, contract) {
let contractJSON = {};
contractJSON.contract_name = className;
@ -267,7 +273,15 @@ class CodeGenerator {
contractJSON.function_hashes = contract.functionHashes;
contractJSON.abi = contract.abiDefinition;
contracts[className] = contractJSON;
return contractJSON;
}
generateContractsJSON() {
let contracts = {};
for (let className in this.contractsManager.contracts) {
let contract = this.contractsManager.contracts[className];
contracts[className] = this.generateContractJSON(className, contract);
}
return contracts;
@ -318,6 +332,58 @@ class CodeGenerator {
cb();
});
}
buildContractJS(contractName, contractJSON, cb) {
let contractCode = "";
contractCode += "import web3 from 'Embark/web3';\n";
contractCode += "import EmbarkJS from 'Embark/EmbarkJS';\n";
contractCode += "let " + contractName + "JSONConfig = " + JSON.stringify(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" + contractName + ".options.from = web3.eth.defaultAccount;\n";
contractCode += "\n});\n";
contractCode += "export default " + contractName + ";\n";
cb(contractCode);
}
buildWeb3JS(cb) {
const self = this;
let code = "";
async.waterfall([
function getWeb3Location(next) {
self.events.request("version:get:web3", function(web3Version) {
if (web3Version === "1.0.0-beta") {
return next(null, utils.joinPath(fs.embarkPath("js/web3-1.0.min.js")));
} else {
self.events.request("version:getPackageLocation", "web3", web3Version, function(err, location) {
return next(null, fs.dappPath(location));
});
}
});
},
function getImports(web3Location, next) {
web3Location = web3Location.replace(/\\/g, '/'); // Import paths must always have forward slashes
code += "\nimport Web3 from '" + web3Location + "';\n";
code += "\n if (typeof web3 !== 'undefined') {";
code += "\n } else {";
code += "\n var web3 = new Web3();\n";
code += "\n }";
let providerCode = self.generateProvider(false);
code += providerCode;
code += "\nglobal.__embarkContext = __mainContext.__loadManagerInstance;\n";
code += "\nwindow.web3 = web3;\n";
code += "\nexport default web3;\n";
next(null, code);
}
], cb);
}
}
module.exports = CodeGenerator;

5
lib/contracts/contracts.js
View File

@ -25,6 +25,11 @@ class ContractsManager {
this.events.on(constants.events.contractConfigChanged, (newContracts) => {
this.contractsConfig = newContracts;
});
const self = this;
self.events.setCommandHandler('contracts:list', (cb) => {
cb(self.listContracts());
});
}
build(done) {

7
lib/core/events.js
View File

@ -41,9 +41,12 @@ EventEmitter.prototype.request = function() {
EventEmitter.prototype.setCommandHandler = function(requestName, cb) {
log("setting command handler for: ", requestName);
return this.on('request:' + requestName, function(_cb) {
let listener = function(_cb) {
cb.call(this, ...arguments);
});
};
// unlike events, commands can only have 1 handler
this.removeAllListeners('request:' + requestName);
return this.on('request:' + requestName, listener);
};
EventEmitter.prototype.setCommandHandlerOnce = function(requestName, cb) {

97
lib/pipeline/pipeline.js
View File

@ -28,7 +28,7 @@ class Pipeline {
async.waterfall([
function buildTheContracts(next) {
self.buildContracts(contractsJSON, next);
self.buildContracts(next);
},
function buildWeb3(next) {
self.buildWeb3JS(next);
@ -45,13 +45,15 @@ class Pipeline {
next();
},
function writeContracts(next) {
async.each(Object.keys(contractsJSON), (contractName, eachCb) => {
self.buildContractJS(contractName, (err, contractCode) => {
let filePath = fs.dappPath(".embark", contractName + '.js');
importsList["Embark/contracts/" + contractName] = filePath;
self.events.request('contracts:list', (contracts) => {
async.each(contracts, (contract, eachCb) => {
self.events.request('code-generator:contract', contract.className, (contractCode) => {
let filePath = fs.dappPath(".embark", contract.className + '.js');
importsList["Embark/contracts/" + contract.className] = filePath;
fs.writeFile(filePath, contractCode, eachCb);
});
}, next);
});
},
function assetFileWrite(next) {
async.eachOf(self.assetFiles, function (files, targetFile, cb) {
@ -172,84 +174,45 @@ class Pipeline {
);
}
buildContracts(contractsJSON, callback) {
fs.mkdirp(fs.dappPath(this.buildDir, 'contracts'), (err) => {
if (err) {
return callback(err);
}
async.each(Object.keys(contractsJSON), (className, eachCb) => {
let contract = contractsJSON[className];
fs.writeJson(fs.dappPath(this.buildDir, 'contracts', className + ".json"), contract, {spaces: 2}, eachCb);
}, callback);
buildContracts(cb) {
const self = this;
async.waterfall([
function makeDirectory(next) {
fs.mkdirp(fs.dappPath(self.buildDir, 'contracts'), (err, _result) => {
next(err);
});
}
buildContractJS(contractName, callback) {
fs.readFile(fs.dappPath(this.buildDir, 'contracts', contractName + '.json'), (err, contractJSON) => {
if (err) {
return callback(err);
}
contractJSON = contractJSON.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" + contractName + ".options.from = web3.eth.defaultAccount;\n";
contractCode += "\n});\n";
contractCode += "export default " + contractName + ";\n";
callback(null, contractCode);
},
function getContracts(next) {
self.events.request('contracts:list', (contracts) => {
next(null, contracts);
});
},
function writeContractsJSON(contracts, next) {
async.each(contracts, (contract, eachCb) => {
fs.writeJson(fs.dappPath(self.buildDir, 'contracts', contract.className + ".json"), contract, {spaces: 2}, eachCb);
}, () => { next(); });
}
], cb);
}
buildWeb3JS(cb) {
const self = this;
let code = "";
async.waterfall([
function getWeb3Location(next) {
self.events.request("version:get:web3", function(web3Version) {
if (web3Version === "1.0.0-beta") {
return next(null, utils.joinPath(fs.embarkPath("js/web3-1.0.min.js")));
} else {
self.events.request("version:getPackageLocation", "web3", web3Version, function(err, location) {
return next(null, fs.dappPath(location));
});
}
});
},
function getImports(web3Location, next) {
web3Location = web3Location.replace(/\\/g, '/'); // Import paths must always have forward slashes
code += "\nimport Web3 from '" + web3Location + "';\n";
code += "\n if (typeof web3 !== 'undefined') {";
code += "\n } else {";
code += "\n var web3 = new Web3();\n";
code += "\n }";
self.events.request('provider-code', function(providerCode) {
code += providerCode;
code += "\nglobal.__embarkContext = __mainContext.__loadManagerInstance;\n";
code += "\nwindow.web3 = web3;\n";
code += "\nexport default web3;\n";
next();
});
},
function makeDirectory(next) {
fs.mkdirp(fs.dappPath(".embark"), (err, _result) => {
next(err);
});
},
function writeFile(next) {
function getWeb3Code(next) {
self.events.request('code-generator:web3js', next);
},
function writeFile(code, next) {
fs.writeFile(fs.dappPath(".embark", 'web3_instance.js'), code, next);
}
], cb);
}
}
module.exports = Pipeline;