source: trip-planner-front/node_modules/webpack-sources/lib/ConcatSource.js@ bdd6491

/*
        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 = [];
                for(var i = 0; i < arguments.length; i++) {
                        var item = arguments[i];
                        if(item instanceof ConcatSource) {
                                var children = item.children;
                                for(var j = 0; j < children.length; j++)
                                        this.children.push(children[j]);
                        } else {
                                this.children.push(item);
                        }
                }
        }

        add(item) {
                if(item instanceof ConcatSource) {
                        var children = item.children;
                        for(var j = 0; j < children.length; j++)
                                this.children.push(children[j]);
                } else {
                        this.children.push(item);
                }
        }

        source() {
                let source = "";
                const children = this.children;
                for(let i = 0; i < children.length; i++) {
                        const child = children[i];
                        source += typeof child === "string" ? child : child.source();
                }
                return source;
        }

        size() {
                let size = 0;
                const children = this.children;
                for(let i = 0; i < children.length; i++) {
                        const child = children[i];
                        size += typeof child === "string" ? child.length : child.size();
                }
                return size;
        }

        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();
                var children = this.children;
                for(var i = 0; i < children.length; i++) {
                        var item = children[i];
                        if(typeof item === "string")
                                map.add(item);
                        else
                                map.add(item.listMap(options));
                }
                return map;
        }

        updateHash(hash) {
                var children = this.children;
                for(var i = 0; i < children.length; i++) {
                        var item = children[i];
                        if(typeof item === "string")
                                hash.update(item);
                        else
                                item.updateHash(hash);
                }
        }
}

require("./SourceAndMapMixin")(ConcatSource.prototype);

module.exports = ConcatSource;