1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/ErrorHelpers.js b/node_modules/webpack/lib/ErrorHelpers.js
new file mode 100644
index 0000000..900ae4d
--- /dev/null
+++ b/node_modules/webpack/lib/ErrorHelpers.js
@@ -0,0 +1,60 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const loaderFlag = "LOADER_EXECUTION";
+
+const webpackOptionsFlag = "WEBPACK_OPTIONS";
+
+exports.cutOffByFlag = (stack, flag) => {
+	stack = stack.split("\n");
+	for (let i = 0; i < stack.length; i++) {
+		if (stack[i].includes(flag)) {
+			stack.length = i;
+		}
+	}
+	return stack.join("\n");
+};
+
+exports.cutOffLoaderExecution = stack =>
+	exports.cutOffByFlag(stack, loaderFlag);
+
+exports.cutOffWebpackOptions = stack =>
+	exports.cutOffByFlag(stack, webpackOptionsFlag);
+
+exports.cutOffMultilineMessage = (stack, message) => {
+	stack = stack.split("\n");
+	message = message.split("\n");
+
+	return stack
+		.reduce(
+			(acc, line, idx) =>
+				line.includes(message[idx]) ? acc : acc.concat(line),
+			[]
+		)
+		.join("\n");
+};
+
+exports.cutOffMessage = (stack, message) => {
+	const nextLine = stack.indexOf("\n");
+	if (nextLine === -1) {
+		return stack === message ? "" : stack;
+	} else {
+		const firstLine = stack.substr(0, nextLine);
+		return firstLine === message ? stack.substr(nextLine + 1) : stack;
+	}
+};
+
+exports.cleanUp = (stack, message) => {
+	stack = exports.cutOffLoaderExecution(stack);
+	stack = exports.cutOffMessage(stack, message);
+	return stack;
+};
+
+exports.cleanUpWebpackOptions = (stack, message) => {
+	stack = exports.cutOffWebpackOptions(stack);
+	stack = exports.cutOffMultilineMessage(stack, message);
+	return stack;
+};