update

node_modules/enhanced-resolve/lib/ConcordExtensionsPlugin.js

@@ -0,0 +1,62 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const concord = require("./concord");
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+const forEachBail = require("./forEachBail");
+
+module.exports = class ConcordExtensionsPlugin {
+	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(
+				"ConcordExtensionsPlugin",
+				(request, resolveContext, callback) => {
+					const concordField = DescriptionFileUtils.getField(
+						request.descriptionFileData,
+						"concord"
+					);
+					if (!concordField) return callback();
+					const extensions = concord.getExtensions(
+						request.context,
+						concordField
+					);
+					if (!extensions) return callback();
+					forEachBail(
+						extensions,
+						(appending, callback) => {
+							const obj = Object.assign({}, request, {
+								path: request.path + appending,
+								relativePath:
+									request.relativePath && request.relativePath + appending
+							});
+							resolver.doResolve(
+								target,
+								obj,
+								"concord extension: " + appending,
+								resolveContext,
+								callback
+							);
+						},
+						(err, result) => {
+							if (err) return callback(err);
+
+							// Don't allow other processing
+							if (result === undefined) return callback(null, null);
+							callback(null, result);
+						}
+					);
+				}
+			);
+	}
+};