Option noSources that removes sourcesContent from sourcemaps. Also available as "nosources" in devtool option.

sokra · sokra · commit 5d981fe3d5a9 · 2016-04-10T23:37:17.000+02:00
Picked from webpack#2213
diff --git a/lib/SourceMapDevToolPlugin.js b/lib/SourceMapDevToolPlugin.js
@@ -114,7 +114,7 @@ SourceMapDevToolPlugin.prototype.apply = function(compiler) {
 				var moduleFilenames = task.moduleFilenames;
 				var modules = task.modules;
 				sourceMap.sources = moduleFilenames;
-				if(sourceMap.sourcesContent) {
+				if(sourceMap.sourcesContent && !options.noSources) {
 					sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
 						return content + "\n\n\n" + ModuleFilenameHelpers.createFooter(modules[i], requestShortener);
 					});
diff --git a/lib/WebpackOptionsApply.js b/lib/WebpackOptionsApply.js
@@ -187,6 +187,7 @@ WebpackOptionsApply.prototype.process = function(options, compiler) {
 		ExternalsPlugin = require("./ExternalsPlugin");
 		compiler.apply(new ExternalsPlugin(options.output.libraryTarget, options.externals));
 	}
+	var noSources;
 	var legacy;
 	var modern;
 	var comment;
@@ -196,6 +197,7 @@ WebpackOptionsApply.prototype.process = function(options, compiler) {
 		var evalWrapped = options.devtool.indexOf("eval") >= 0;
 		var cheap = options.devtool.indexOf("cheap") >= 0;
 		var moduleMaps = options.devtool.indexOf("module") >= 0;
+		noSources = options.devtool.indexOf("nosources") >= 0;
 		legacy = options.devtool.indexOf("@") >= 0;
 		modern = options.devtool.indexOf("#") >= 0;
 		comment = legacy && modern ? "\n/*\n//@ sourceMappingURL=[url]\n//# sourceMappingURL=[url]\n*/" :
@@ -210,7 +212,8 @@ WebpackOptionsApply.prototype.process = function(options, compiler) {
 			append: hidden ? false : comment,
 			module: moduleMaps ? true : cheap ? false : true,
 			columns: cheap ? false : true,
-			lineToLine: options.output.devtoolLineToLine
+			lineToLine: options.output.devtoolLineToLine,
+			noSources: noSources,
 		}));
 	} else if(options.devtool && options.devtool.indexOf("eval") >= 0) {
 		legacy = options.devtool.indexOf("@") >= 0;
diff --git a/test/configCases/source-map/nosources/index.js b/test/configCases/source-map/nosources/index.js
@@ -0,0 +1,8 @@
+it("should not include sourcesContent if noSources option is used", function() {
+	var fs = require("fs");
+	var source = fs.readFileSync(__filename + ".map", "utf-8");
+	var map = JSON.parse(source);
+	map.should.not.have.property('sourcesContent');
+});
+
+require.include("./test.js");
diff --git a/test/configCases/source-map/nosources/test.js b/test/configCases/source-map/nosources/test.js
@@ -0,0 +1,3 @@
+var foo = {};
+
+module.exports = foo;
diff --git a/test/configCases/source-map/nosources/webpack.config.js b/test/configCases/source-map/nosources/webpack.config.js
@@ -0,0 +1,8 @@
+var webpack = require("../../../../");
+module.exports = {
+	node: {
+		__dirname: false,
+		__filename: false
+	},
+	devtool: "nosources-source-map",
+};

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+var foo = {};`
	`2`	`+`
	`3`	`+module.exports = foo;`