Sha256: 03f62a69a1d31596c19e8c35c232aee6e76260a3db3a1d88e2f2f2c740ce7159
Contents?: true
Size: 1.38 KB
Versions: 2
Compression:
Stored size: 1.38 KB
Contents
"use strict";
var sourceMap = require("source-map");
var Generator = sourceMap.SourceMapGenerator;
var Consumer = sourceMap.SourceMapConsumer;
/**
* return re-mapped rawSourceMap string
* @param {object} mappingObject
* @param {string} mappingObject.fromSourceMap
* @param {string} mappingObject.toSourceMap
* @returns {string}
*/
function transfer(mappingObject) {
var fromSourceMap = mappingObject.fromSourceMap;
var toSourceMap = mappingObject.toSourceMap;
var fromSMC = new Consumer(fromSourceMap);
var toSMC = new Consumer(toSourceMap);
var resultMap = new Generator();
fromSMC.eachMapping(function (mapping) {
var generatedPosition = {
line: mapping.generatedLine,
column: mapping.generatedColumn
};
var fromOriginalPosition = {
line: mapping.originalLine,
column: mapping.originalColumn
};
// from's generated position -> to's original position
var originalPosition = toSMC.originalPositionFor(fromOriginalPosition);
if (originalPosition.source !== null) {
resultMap.addMapping({
source: originalPosition.source,
name : originalPosition.name,
generated: generatedPosition,
original: originalPosition
});
}
});
return resultMap.toString();
}
module.exports = transfer;
Version data entries
2 entries across 2 versions & 1 rubygems