92 lines
2 KiB
JavaScript
92 lines
2 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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"use strict";
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const SourceNode = require("source-map").SourceNode;
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const SourceListMap = require("source-list-map").SourceListMap;
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const Source = require("./Source");
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class ConcatSource extends Source {
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constructor() {
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super();
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this.children = [];
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for(var i = 0; i < arguments.length; i++) {
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var item = arguments[i];
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if(item instanceof ConcatSource) {
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var children = item.children;
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for(var j = 0; j < children.length; j++)
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this.children.push(children[j]);
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} else {
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this.children.push(item);
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}
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}
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}
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add(item) {
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if(item instanceof ConcatSource) {
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var children = item.children;
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for(var j = 0; j < children.length; j++)
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this.children.push(children[j]);
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} else {
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this.children.push(item);
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}
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}
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source() {
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let source = "";
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const children = this.children;
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for(let i = 0; i < children.length; i++) {
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const child = children[i];
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source += typeof child === "string" ? child : child.source();
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}
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return source;
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}
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size() {
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let size = 0;
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const children = this.children;
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for(let i = 0; i < children.length; i++) {
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const child = children[i];
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size += typeof child === "string" ? child.length : child.size();
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}
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return size;
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}
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node(options) {
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const 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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listMap(options) {
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const map = new SourceListMap();
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var children = this.children;
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for(var i = 0; i < children.length; i++) {
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var item = children[i];
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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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updateHash(hash) {
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var children = this.children;
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for(var i = 0; i < children.length; i++) {
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var item = children[i];
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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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}
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require("./SourceAndMapMixin")(ConcatSource.prototype);
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module.exports = ConcatSource;
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