[6a3a178] | 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 | "use strict";
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| 6 |
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| 7 | const CodeNode = require("./CodeNode");
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| 8 | const SourceNode = require("./SourceNode");
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| 9 | const MappingsContext = require("./MappingsContext");
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| 10 | const getNumberOfLines = require("./helpers").getNumberOfLines;
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| 11 |
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| 12 | class SourceListMap {
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| 13 |
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| 14 | constructor(generatedCode, source, originalSource) {
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| 15 | if(Array.isArray(generatedCode)) {
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| 16 | this.children = generatedCode;
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| 17 | } else {
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| 18 | this.children = [];
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| 19 | if(generatedCode || source)
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| 20 | this.add(generatedCode, source, originalSource);
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| 21 | }
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| 22 | }
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| 23 |
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| 24 | add(generatedCode, source, originalSource) {
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| 25 | if(typeof generatedCode === "string") {
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| 26 | if(source) {
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| 27 | this.children.push(new SourceNode(generatedCode, source, originalSource));
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| 28 | } else if(this.children.length > 0 && this.children[this.children.length - 1] instanceof CodeNode) {
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| 29 | this.children[this.children.length - 1].addGeneratedCode(generatedCode);
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| 30 | } else {
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| 31 | this.children.push(new CodeNode(generatedCode));
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| 32 | }
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| 33 | } else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
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| 34 | this.children.push(generatedCode);
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| 35 | } else if(generatedCode.children) {
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| 36 | generatedCode.children.forEach(function(sln) {
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| 37 | this.children.push(sln);
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| 38 | }, this);
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| 39 | } else {
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| 40 | throw new Error("Invalid arguments to SourceListMap.protfotype.add: Expected string, Node or SourceListMap");
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| 41 | }
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| 42 | };
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| 43 |
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| 44 | preprend(generatedCode, source, originalSource) {
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| 45 | if(typeof generatedCode === "string") {
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| 46 | if(source) {
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| 47 | this.children.unshift(new SourceNode(generatedCode, source, originalSource));
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| 48 | } else if(this.children.length > 0 && this.children[this.children.length - 1].preprendGeneratedCode) {
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| 49 | this.children[this.children.length - 1].preprendGeneratedCode(generatedCode);
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| 50 | } else {
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| 51 | this.children.unshift(new CodeNode(generatedCode));
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| 52 | }
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| 53 | } else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
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| 54 | this.children.unshift(generatedCode);
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| 55 | } else if(generatedCode.children) {
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| 56 | generatedCode.children.slice().reverse().forEach(function(sln) {
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| 57 | this.children.unshift(sln);
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| 58 | }, this);
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| 59 | } else {
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| 60 | throw new Error("Invalid arguments to SourceListMap.protfotype.prerend: Expected string, Node or SourceListMap");
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| 61 | }
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| 62 | };
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| 63 |
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| 64 | mapGeneratedCode(fn) {
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| 65 | const normalizedNodes = [];
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| 66 | this.children.forEach(function(sln) {
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| 67 | sln.getNormalizedNodes().forEach(function(newNode) {
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| 68 | normalizedNodes.push(newNode);
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| 69 | });
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| 70 | });
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| 71 | const optimizedNodes = [];
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| 72 | normalizedNodes.forEach(function(sln) {
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| 73 | sln = sln.mapGeneratedCode(fn);
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| 74 | if(optimizedNodes.length === 0) {
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| 75 | optimizedNodes.push(sln);
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| 76 | } else {
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| 77 | const last = optimizedNodes[optimizedNodes.length - 1];
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| 78 | const mergedNode = last.merge(sln);
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| 79 | if(mergedNode) {
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| 80 | optimizedNodes[optimizedNodes.length - 1] = mergedNode;
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| 81 | } else {
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| 82 | optimizedNodes.push(sln);
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| 83 | }
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| 84 | }
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| 85 | });
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| 86 | return new SourceListMap(optimizedNodes);
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| 87 | };
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| 88 |
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| 89 | toString() {
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| 90 | return this.children.map(function(sln) {
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| 91 | return sln.getGeneratedCode();
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| 92 | }).join("");
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| 93 | };
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| 94 |
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| 95 | toStringWithSourceMap(options) {
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| 96 | const mappingsContext = new MappingsContext();
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| 97 | const source = this.children.map(function(sln) {
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| 98 | return sln.getGeneratedCode();
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| 99 | }).join("");
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| 100 | const mappings = this.children.map(function(sln) {
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| 101 | return sln.getMappings(mappingsContext);
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| 102 | }).join("");
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| 103 | const arrays = mappingsContext.getArrays();
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| 104 | return {
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| 105 | source,
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| 106 | map: {
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| 107 | version: 3,
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| 108 | file: options && options.file,
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| 109 | sources: arrays.sources,
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| 110 | sourcesContent: mappingsContext.hasSourceContent ? arrays.sourcesContent : undefined,
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| 111 | mappings: mappings
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| 112 | }
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| 113 | };
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | module.exports = SourceListMap;
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