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build/node_modules/webpack-core/lib/ConcatSource.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 SourceListMap = require("source-list-map").SourceListMap;
+var Source = require("./Source");
+
+function ConcatSource() {
+	Source.call(this);
+	this.children = Array.prototype.slice.call(arguments);
+}
+module.exports = ConcatSource;
+
+ConcatSource.prototype = Object.create(Source.prototype);
+ConcatSource.prototype.constructor = ConcatSource;
+
+ConcatSource.prototype.add = function(item) {
+	this.children.push(item);
+};
+
+ConcatSource.prototype.source = function() {
+	return this.children.map(function(item) {
+		return typeof item === "string" ? item : item.source();
+	}).join("");
+};
+
+ConcatSource.prototype.size = function() {
+	return this.children.map(function(item) {
+		return typeof item === "string" ? item.length : item.size();
+	}).reduce(function(sum, s) { return sum + s; }, 0);
+};
+
+require("./SourceAndMapMixin")(ConcatSource.prototype);
+
+ConcatSource.prototype.node = function(options) {
+	var node = new SourceNode(null, null, null, this.children.map(function(item) {
+		return typeof item === "string" ? item : item.node(options);
+	}));
+	return node;
+};
+
+ConcatSource.prototype.listMap = function(options) {
+	var map = new SourceListMap();
+	this.children.forEach(function(item) {
+		if(typeof item === "string")
+			map.add(item);
+		else
+			map.add(item.listMap(options));
+	});
+	return map;
+};
+
+ConcatSource.prototype.updateHash = function(hash) {
+	this.children.forEach(function(item) {
+		if (typeof item === "string") {
+			hash.update(item)
+		} else {
+			item.updateHash(hash);
+		}
+	});
+};