2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const CodeNode = require("./CodeNode");
const SourceNode = require("./SourceNode");
const MappingsContext = require("./MappingsContext");
const getNumberOfLines = require("./helpers").getNumberOfLines;
class SourceListMap {
constructor(generatedCode, source, originalSource) {
if(Array.isArray(generatedCode)) {
this.children = generatedCode;
} else {
this.children = [];
if(generatedCode || source)
this.add(generatedCode, source, originalSource);
}
}
add(generatedCode, source, originalSource) {
if(typeof generatedCode === "string") {
if(source) {
this.children.push(new SourceNode(generatedCode, source, originalSource));
} else if(this.children.length > 0 && this.children[this.children.length - 1] instanceof CodeNode) {
this.children[this.children.length - 1].addGeneratedCode(generatedCode);
} else {
this.children.push(new CodeNode(generatedCode));
}
} else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
this.children.push(generatedCode);
} else if(generatedCode.children) {
generatedCode.children.forEach(function(sln) {
this.children.push(sln);
}, this);
} else {
throw new Error("Invalid arguments to SourceListMap.protfotype.add: Expected string, Node or SourceListMap");
}
};
preprend(generatedCode, source, originalSource) {
if(typeof generatedCode === "string") {
if(source) {
this.children.unshift(new SourceNode(generatedCode, source, originalSource));
} else if(this.children.length > 0 && this.children[this.children.length - 1].preprendGeneratedCode) {
this.children[this.children.length - 1].preprendGeneratedCode(generatedCode);
} else {
this.children.unshift(new CodeNode(generatedCode));
}
} else if(generatedCode.getMappings && generatedCode.getGeneratedCode) {
this.children.unshift(generatedCode);
} else if(generatedCode.children) {
generatedCode.children.slice().reverse().forEach(function(sln) {
this.children.unshift(sln);
}, this);
} else {
throw new Error("Invalid arguments to SourceListMap.protfotype.prerend: Expected string, Node or SourceListMap");
}
};
mapGeneratedCode(fn) {
const normalizedNodes = [];
this.children.forEach(function(sln) {
sln.getNormalizedNodes().forEach(function(newNode) {
normalizedNodes.push(newNode);
});
});
const optimizedNodes = [];
normalizedNodes.forEach(function(sln) {
sln = sln.mapGeneratedCode(fn);
if(optimizedNodes.length === 0) {
optimizedNodes.push(sln);
} else {
const last = optimizedNodes[optimizedNodes.length - 1];
const mergedNode = last.merge(sln);
if(mergedNode) {
optimizedNodes[optimizedNodes.length - 1] = mergedNode;
} else {
optimizedNodes.push(sln);
}
}
});
return new SourceListMap(optimizedNodes);
};
toString() {
return this.children.map(function(sln) {
return sln.getGeneratedCode();
}).join("");
};
toStringWithSourceMap(options) {
const mappingsContext = new MappingsContext();
const source = this.children.map(function(sln) {
return sln.getGeneratedCode();
}).join("");
const mappings = this.children.map(function(sln) {
return sln.getMappings(mappingsContext);
}).join("");
const arrays = mappingsContext.getArrays();
return {
source,
map: {
version: 3,
file: options && options.file,
sources: arrays.sources,
sourcesContent: mappingsContext.hasSourceContent ? arrays.sourcesContent : undefined,
mappings: mappings
}
};
}
}
module.exports = SourceListMap;
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