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