WIP - add extractor, generate snippet_data

node_modules/enhanced-resolve/lib/ConcordMainPlugin.js

@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const concord = require("./concord");
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+
+module.exports = class ConcordMainPlugin {
+	constructor(source, options, target) {
+		this.source = source;
+		this.options = options;
+		this.target = target;
+	}
+
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver.getHook(this.source).tapAsync("ConcordMainPlugin", (request, resolveContext, callback) => {
+			if(request.path !== request.descriptionFileRoot) return callback();
+			const concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
+			if(!concordField) return callback();
+			const mainModule = concord.getMain(request.context, concordField);
+			if(!mainModule) return callback();
+			const obj = Object.assign({}, request, {
+				request: mainModule
+			});
+			const filename = path.basename(request.descriptionFilePath);
+			return resolver.doResolve(target, obj, "use " + mainModule + " from " + filename, resolveContext, callback);
+		});
+	}
+};