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1 files changed, 52 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/compareLocations.js b/node_modules/webpack/lib/compareLocations.js
new file mode 100644
index 00000000..3840eb89
--- /dev/null
+++ b/node_modules/webpack/lib/compareLocations.js
@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+
+// TODO webpack 5 remove string type from a and b
+/**
+ * Compare two locations
+ * @param {string|DependencyLocation} a A location node
+ * @param {string|DependencyLocation} b A location node
+ * @returns {-1|0|1} sorting comparator value
+ */
+module.exports = (a, b) => {
+	if (typeof a === "string") {
+		if (typeof b === "string") {
+			if (a < b) return -1;
+			if (a > b) return 1;
+			return 0;
+		} else if (typeof b === "object") {
+			return 1;
+		} else {
+			return 0;
+		}
+	} else if (typeof a === "object") {
+		if (typeof b === "string") {
+			return -1;
+		} else if (typeof b === "object") {
+			if ("start" in a && "start" in b) {
+				const ap = a.start;
+				const bp = b.start;
+				if (ap.line < bp.line) return -1;
+				if (ap.line > bp.line) return 1;
+				if (ap.column < bp.column) return -1;
+				if (ap.column > bp.column) return 1;
+			}
+			if ("name" in a && "name" in b) {
+				if (a.name < b.name) return -1;
+				if (a.name > b.name) return 1;
+			}
+			if ("index" in a && "index" in b) {
+				if (a.index < b.index) return -1;
+				if (a.index > b.index) return 1;
+			}
+			return 0;
+		} else {
+			return 0;
+		}
+	}
+};