1 files changed, 31 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js b/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js
new file mode 100644
index 000000000..54edb4ac7
--- /dev/null
+++ b/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js
@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CaseSensitiveModulesWarning = require("./CaseSensitiveModulesWarning");
+
+class WarnCaseSensitiveModulesPlugin {
+	apply(compiler) {
+		compiler.plugin("compilation", compilation => {
+			compilation.plugin("seal", () => {
+				const moduleWithoutCase = Object.create(null);
+				compilation.modules.forEach(module => {
+					const identifier = module.identifier().toLowerCase();
+					if(moduleWithoutCase[identifier]) {
+						moduleWithoutCase[identifier].push(module);
+					} else {
+						moduleWithoutCase[identifier] = [module];
+					}
+				});
+				Object.keys(moduleWithoutCase).forEach(key => {
+					if(moduleWithoutCase[key].length > 1)
+						compilation.warnings.push(new CaseSensitiveModulesWarning(moduleWithoutCase[key]));
+				});
+			});
+		});
+	}
+}
+
+module.exports = WarnCaseSensitiveModulesPlugin;