64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var SourceNode = require("source-map").SourceNode;
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var SourceListMap = require("source-list-map").SourceListMap;
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var Source = require("./Source");
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function ConcatSource() {
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Source.call(this);
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this.children = Array.prototype.slice.call(arguments);
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}
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module.exports = ConcatSource;
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ConcatSource.prototype = Object.create(Source.prototype);
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ConcatSource.prototype.constructor = ConcatSource;
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ConcatSource.prototype.add = function(item) {
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this.children.push(item);
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};
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ConcatSource.prototype.source = function() {
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return this.children.map(function(item) {
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return typeof item === "string" ? item : item.source();
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}).join("");
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};
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ConcatSource.prototype.size = function() {
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return this.children.map(function(item) {
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return typeof item === "string" ? item.length : item.size();
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}).reduce(function(sum, s) {
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return sum + s;
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}, 0);
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};
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require("./SourceAndMapMixin")(ConcatSource.prototype);
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ConcatSource.prototype.node = function(options) {
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var node = new SourceNode(null, null, null, this.children.map(function(item) {
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return typeof item === "string" ? item : item.node(options);
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}));
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return node;
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};
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ConcatSource.prototype.listMap = function(options) {
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var map = new SourceListMap();
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this.children.forEach(function(item) {
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if(typeof item === "string")
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map.add(item);
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else
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map.add(item.listMap(options));
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});
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return map;
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};
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ConcatSource.prototype.updateHash = function(hash) {
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this.children.forEach(function(item) {
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if(typeof item === "string")
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hash.update(item);
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else
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item.updateHash(hash);
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});
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};
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