cli(init): Refactor Yeoman

lib/generators/init-generator.js

@@ -340,7 +340,7 @@ module.exports = class InitGenerator extends Generator {
 				if (regExpForStyles) {
 					if (this.isProd) {
 						this.configuration.config.topScope.push(tooltip.cssPlugin());
-						this.dependencies.push("extract-text-webpack-plugin");
+						this.dependencies.push("extract-text-webpack-plugin@next");
 
 						if (cssBundleName.length !== 0) {
 							this.configuration.config.webpackOptions.plugins.push(
@@ -410,4 +410,7 @@ module.exports = class InitGenerator extends Generator {
 				});
 			});
 	}
+	writing() {
+		this.config.set("configuration", this.configuration);
+	}
 };

lib/init/index.js

@@ -1,65 +1,152 @@
 "use strict";
 
-const yeoman = require("yeoman-environment");
-const Generator = require("yeoman-generator");
 const path = require("path");
-const defaultGenerator = require("../generators/init-generator");
-const runTransform = require("./transformations/index");
+const j = require("jscodeshift");
+const chalk = require("chalk");
+const pEachSeries = require("p-each-series");
+
+const runPrettier = require("../utils/run-prettier");
+
+const entryTransform = require("./transformations/entry/entry");
+const outputTransform = require("./transformations/output/output");
+const contextTransform = require("./transformations/context/context");
+const resolveTransform = require("./transformations/resolve/resolve");
+const devtoolTransform = require("./transformations/devtool/devtool");
+const targetTransform = require("./transformations/target/target");
+const watchTransform = require("./transformations/watch/watch");
+const watchOptionsTransform = require("./transformations/watch/watchOptions");
+const externalsTransform = require("./transformations/externals/externals");
+const nodeTransform = require("./transformations/node/node");
+const performanceTransform = require("./transformations/performance/performance");
+const statsTransform = require("./transformations/stats/stats");
+const amdTransform = require("./transformations/other/amd");
+const bailTransform = require("./transformations/other/bail");
+const cacheTransform = require("./transformations/other/cache");
+const profileTransform = require("./transformations/other/profile");
+const mergeTransform = require("./transformations/other/merge");
+const parallelismTransform = require("./transformations/other/parallelism");
+const recordsInputPathTransform = require("./transformations/other/recordsInputPath");
+const recordsOutputPathTransform = require("./transformations/other/recordsOutputPath");
+const recordsPathTransform = require("./transformations/other/recordsPath");
+const moduleTransform = require("./transformations/module/module");
+const pluginsTransform = require("./transformations/plugins/plugins");
+const topScopeTransform = require("./transformations/top-scope/top-scope");
+const devServerTransform = require("./transformations/devServer/devServer");
+const modeTransform = require("./transformations/mode/mode");
+const resolveLoaderTransform = require("./transformations/resolveLoader/resolveLoader");
 
 /**
  *
- * Runs yeoman and runs the transformations based on the object
- * built up from an author/user
+ * Runs the transformations from an object we get from yeoman
  *
- * @param {String} options - An path to the given generator
- * @returns {Function} runTransform - Run transformations based on the finished
- * yeoman instance
+ * @param {Object} webpackProperties - Configuration to transform
+ * @param {String} action - Action to be done on the given ast
+ * @returns {Promise} - A promise that writes each transform, runs prettier
+ * and writes the file
  */
 
-function creator(options) {
-	let env = yeoman.createEnv("webpack", null);
-	const generatorName = options
-		? replaceGeneratorName(path.basename(options[0]))
-		: "webpack-default-generator";
-	if (options) {
-		const WebpackGenerator = class extends Generator {
-			initializing() {
-				options.forEach(path => {
-					return this.composeWith(require.resolve(path));
-				});
-			}
-		};
-		env.registerStub(WebpackGenerator, generatorName);
-	} else {
-		env.registerStub(defaultGenerator, "webpack-default-generator");
-	}
+const transformsObject = {
+	entryTransform,
+	outputTransform,
+	contextTransform,
+	resolveTransform,
+	devtoolTransform,
+	targetTransform,
+	watchTransform,
+	watchOptionsTransform,
+	externalsTransform,
+	nodeTransform,
+	performanceTransform,
+	statsTransform,
+	amdTransform,
+	bailTransform,
+	cacheTransform,
+	profileTransform,
+	moduleTransform,
+	pluginsTransform,
+	topScopeTransform,
+	mergeTransform,
+	devServerTransform,
+	modeTransform,
+	parallelismTransform,
+	recordsInputPathTransform,
+	recordsOutputPathTransform,
+	recordsPathTransform,
+	resolveLoaderTransform
+};
 
-	env.run(generatorName).on("end", _ => {
-		if (generatorName !== "webpack-default-generator") {
-			//HACK / FIXME
-			env = env.options.env;
-			return runTransform(env.configuration);
-		} else {
-			return runTransform(env.getArgument("configuration"));
-		}
+module.exports = function runTransform(webpackProperties, action) {
+	// webpackOptions.name sent to nameTransform if match
+	const webpackConfig = Object.keys(webpackProperties).filter(p => {
+		return p !== "configFile" && p !== "configPath";
 	});
-}
+	webpackConfig.forEach(scaffoldPiece => {
+		const config = webpackProperties[scaffoldPiece];
+		const transformations = Object.keys(transformsObject)
+			.map(k => {
+				const stringVal = k.substr(0, k.indexOf("Transform"));
+				if (Object.keys(config.webpackOptions).length) {
+					if (config.webpackOptions[stringVal]) {
+						return [transformsObject[k], config.webpackOptions[stringVal]];
+					} else {
+						return [transformsObject[k], config[stringVal]];
+					}
+				} else {
+					return [transformsObject[k]];
+				}
+			})
+			.filter(e => e[1]);
+		const ast = j(
+			action && action !== "init"
+				? webpackProperties.configFile
+				: "module.exports = {}"
+		);
+		const transformAction = action || null;
 
-/*
-* @function replaceGeneratorName
-*
-* Replaces the webpack-addons pattern with the end of the addons name merged
-* with 'generator'
-*
-* @param { String } name - name of the generator
-* @returns { String } name - replaced pattern of the name
-*/
+		return pEachSeries(transformations, f => {
+			if (!f[1]) {
+				return f[0](j, ast, transformAction);
+			} else {
+				return f[0](j, ast, f[1], transformAction);
+			}
+		})
+			.then(_ => {
+				let configurationName;
+				if (!config.configName) {
+					configurationName = "webpack.config.js";
+				} else {
+					configurationName = "webpack." + config.configName + ".js";
+				}
 
-function replaceGeneratorName(name) {
-	return name.replace(/(webpack-addons)?([^:]+)(:.*)?/g, "generator$2");
-}
+				const outputPath =
+					action && action !== "init"
+						? webpackProperties.configPath
+						: path.join(process.cwd(), configurationName);
+				const source = ast.toSource({
+					quote: "single"
+				});
 
-module.exports = {
-	creator,
-	replaceGeneratorName
+				runPrettier(outputPath, source);
+			})
+			.catch(err => {
+				console.error(err.message ? err.message : err);
+			});
+	});
+	if (action === "add" && webpackProperties.config.item) {
+		process.stdout.write(
+			"\n" +
+				chalk.green(
+					`Congratulations! ${
+						webpackProperties.config.item
+					} has been ${action}ed!\n`
+				)
+		);
+	} else {
+		process.stdout.write(
+			"\n" +
+				chalk.green(
+					"Congratulations! Your new webpack configuration file has been created!\n"
+				)
+		);
+	}
 };