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add explict serialization logic for source maps to avoid using JSON

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This commit is contained in:
Mohamed Hegazy 2014-09-19 15:09:04 -07:00
parent d2f4cd7d92
commit b15304fc9e
1 changed files with 24 additions and 8 deletions
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32
src/compiler/emitter.ts
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@ -588,17 +588,33 @@ module ts {
recordSourceMapSpan(comment.end);
}
function serializeStringArray(list: string[]): string {
if (list && list.length) {
return "\"" + list.join("\",\"") + "\"";
}
return "";
//var output = "";
//for (var i = 0, n = list.length; i < n; i++) {
// if (i) output += ",";
// output += "\"" + list[i] + "\"";
//}
//return output;
}
function serializeSourceMapContents(version: number, file: string, sourceRoot: string, sources: string[], names: string[], mappings: string) {
return "{\"version\":" + version + ",\"file\":\"" + file + "\",\"sourceRoot\":\"" + sourceRoot + "\",\"sources\":[" + serializeStringArray(sources) + "],\"names\":[" + serializeStringArray(names) + "],\"mappings\":\"" + mappings + "\"}";
}
function writeJavaScriptAndSourceMapFile(emitOutput: string, writeByteOrderMark: boolean) {
// Write source map file
encodeLastRecordedSourceMapSpan();
writeFile(sourceMapData.sourceMapFilePath, JSON.stringify({
version: 3,
file: sourceMapData.sourceMapFile,
sourceRoot: sourceMapData.sourceMapSourceRoot,
sources: sourceMapData.sourceMapSources,
names: sourceMapData.sourceMapNames,
mappings: sourceMapData.sourceMapMappings
}), /*writeByteOrderMark*/ false);
writeFile(sourceMapData.sourceMapFilePath, serializeSourceMapContents(
3,
sourceMapData.sourceMapFile,
sourceMapData.sourceMapSourceRoot,
sourceMapData.sourceMapSources,
sourceMapData.sourceMapNames,
sourceMapData.sourceMapMappings), /*writeByteOrderMark*/ false);
sourceMapDataList.push(sourceMapData);
// Write sourcemap url to the js file and write the js file