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build/node_modules/webpack-core/lib/Source.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+
+function Source() {}
+
+module.exports = Source;
+
+Source.prototype.source = null;
+
+Source.prototype.size = function() {
+	return this.source().length;
+};
+
+Source.prototype.map = function(options) {
+	return null;
+};
+
+Source.prototype.sourceAndMap = function(options) {
+	return {
+		source: this.source(),
+		map: this.map()
+	};
+};
+
+Source.prototype.node = null;
+
+Source.prototype.listNode = null;
+
+Source.prototype.updateHash = function(hash) {
+	var source = this.source();
+	hash.update(source || "");
+};