"use strict";
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exports.__esModule = true;
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var _from = require("babel-runtime/core-js/array/from");
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var _from2 = _interopRequireDefault(_from);
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var _extends2 = require("babel-runtime/helpers/extends");
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var _extends3 = _interopRequireDefault(_extends2);
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var _stringify = require("babel-runtime/core-js/json/stringify");
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var _stringify2 = _interopRequireDefault(_stringify);
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var _getIterator2 = require("babel-runtime/core-js/get-iterator");
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var _getIterator3 = _interopRequireDefault(_getIterator2);
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var _map = require("babel-runtime/core-js/map");
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var _map2 = _interopRequireDefault(_map);
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exports.default = mergeSourceMap;
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var _sourceMap = require("source-map");
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var _sourceMap2 = _interopRequireDefault(_sourceMap);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function mergeSourceMap(inputMap, map) {
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var input = buildMappingData(inputMap);
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var output = buildMappingData(map);
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var mergedGenerator = new _sourceMap2.default.SourceMapGenerator();
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for (var _iterator = input.sources, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref2;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref2 = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref2 = _i.value;
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}
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var _ref4 = _ref2;
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var _source = _ref4.source;
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if (typeof _source.content === "string") {
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mergedGenerator.setSourceContent(_source.path, _source.content);
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}
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}
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if (output.sources.length === 1) {
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var defaultSource = output.sources[0];
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var insertedMappings = new _map2.default();
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eachInputGeneratedRange(input, function (generated, original, source) {
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eachOverlappingGeneratedOutputRange(defaultSource, generated, function (item) {
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var key = makeMappingKey(item);
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if (insertedMappings.has(key)) return;
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insertedMappings.set(key, item);
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mergedGenerator.addMapping({
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source: source.path,
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original: {
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line: original.line,
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column: original.columnStart
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},
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generated: {
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line: item.line,
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column: item.columnStart
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},
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name: original.name
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});
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});
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});
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for (var _iterator2 = insertedMappings.values(), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
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var _ref3;
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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_ref3 = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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_ref3 = _i2.value;
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}
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var item = _ref3;
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if (item.columnEnd === Infinity) {
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continue;
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}
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var clearItem = {
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line: item.line,
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columnStart: item.columnEnd
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};
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var key = makeMappingKey(clearItem);
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if (insertedMappings.has(key)) {
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continue;
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}
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mergedGenerator.addMapping({
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generated: {
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line: clearItem.line,
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column: clearItem.columnStart
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}
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});
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}
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}
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var result = mergedGenerator.toJSON();
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if (typeof input.sourceRoot === "string") {
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result.sourceRoot = input.sourceRoot;
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}
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return result;
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}
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function makeMappingKey(item) {
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return (0, _stringify2.default)([item.line, item.columnStart]);
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}
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function eachOverlappingGeneratedOutputRange(outputFile, inputGeneratedRange, callback) {
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var overlappingOriginal = filterApplicableOriginalRanges(outputFile, inputGeneratedRange);
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for (var _iterator3 = overlappingOriginal, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
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var _ref6;
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if (_isArray3) {
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if (_i3 >= _iterator3.length) break;
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_ref6 = _iterator3[_i3++];
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} else {
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_i3 = _iterator3.next();
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if (_i3.done) break;
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_ref6 = _i3.value;
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}
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var _ref7 = _ref6;
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var _generated = _ref7.generated;
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for (var _iterator4 = _generated, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
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var _ref8;
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if (_isArray4) {
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if (_i4 >= _iterator4.length) break;
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_ref8 = _iterator4[_i4++];
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} else {
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_i4 = _iterator4.next();
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if (_i4.done) break;
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_ref8 = _i4.value;
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}
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var item = _ref8;
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callback(item);
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}
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}
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}
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function filterApplicableOriginalRanges(_ref9, _ref10) {
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var mappings = _ref9.mappings;
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var line = _ref10.line,
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columnStart = _ref10.columnStart,
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columnEnd = _ref10.columnEnd;
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return filterSortedArray(mappings, function (_ref11) {
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var outOriginal = _ref11.original;
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if (line > outOriginal.line) return -1;
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if (line < outOriginal.line) return 1;
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if (columnStart >= outOriginal.columnEnd) return -1;
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if (columnEnd <= outOriginal.columnStart) return 1;
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return 0;
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});
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}
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function eachInputGeneratedRange(map, callback) {
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for (var _iterator5 = map.sources, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : (0, _getIterator3.default)(_iterator5);;) {
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var _ref13;
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if (_isArray5) {
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if (_i5 >= _iterator5.length) break;
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_ref13 = _iterator5[_i5++];
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} else {
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_i5 = _iterator5.next();
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if (_i5.done) break;
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_ref13 = _i5.value;
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}
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var _ref14 = _ref13;
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var _source2 = _ref14.source,
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_mappings = _ref14.mappings;
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for (var _iterator6 = _mappings, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : (0, _getIterator3.default)(_iterator6);;) {
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var _ref16;
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if (_isArray6) {
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if (_i6 >= _iterator6.length) break;
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_ref16 = _iterator6[_i6++];
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} else {
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_i6 = _iterator6.next();
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if (_i6.done) break;
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_ref16 = _i6.value;
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}
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var _ref17 = _ref16;
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var _original = _ref17.original,
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_generated2 = _ref17.generated;
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for (var _iterator7 = _generated2, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : (0, _getIterator3.default)(_iterator7);;) {
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var _ref18;
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if (_isArray7) {
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if (_i7 >= _iterator7.length) break;
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_ref18 = _iterator7[_i7++];
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} else {
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_i7 = _iterator7.next();
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if (_i7.done) break;
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_ref18 = _i7.value;
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}
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var item = _ref18;
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callback(item, _original, _source2);
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}
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}
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}
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}
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function buildMappingData(map) {
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var consumer = new _sourceMap2.default.SourceMapConsumer((0, _extends3.default)({}, map, {
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sourceRoot: null
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}));
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var sources = new _map2.default();
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var mappings = new _map2.default();
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var last = null;
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consumer.computeColumnSpans();
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consumer.eachMapping(function (m) {
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if (m.originalLine === null) return;
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var source = sources.get(m.source);
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if (!source) {
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source = {
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path: m.source,
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content: consumer.sourceContentFor(m.source, true)
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};
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sources.set(m.source, source);
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}
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var sourceData = mappings.get(source);
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if (!sourceData) {
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sourceData = {
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source: source,
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mappings: []
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};
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mappings.set(source, sourceData);
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}
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var obj = {
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line: m.originalLine,
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columnStart: m.originalColumn,
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columnEnd: Infinity,
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name: m.name
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};
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if (last && last.source === source && last.mapping.line === m.originalLine) {
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last.mapping.columnEnd = m.originalColumn;
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}
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last = {
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source: source,
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mapping: obj
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};
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sourceData.mappings.push({
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original: obj,
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generated: consumer.allGeneratedPositionsFor({
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source: m.source,
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line: m.originalLine,
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column: m.originalColumn
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}).map(function (item) {
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return {
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line: item.line,
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columnStart: item.column,
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columnEnd: item.lastColumn + 1
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};
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})
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});
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}, null, _sourceMap2.default.SourceMapConsumer.ORIGINAL_ORDER);
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return {
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file: map.file,
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sourceRoot: map.sourceRoot,
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sources: (0, _from2.default)(mappings.values())
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};
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}
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function findInsertionLocation(array, callback) {
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var left = 0;
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var right = array.length;
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while (left < right) {
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var mid = Math.floor((left + right) / 2);
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var item = array[mid];
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var result = callback(item);
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if (result === 0) {
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left = mid;
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break;
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}
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if (result >= 0) {
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right = mid;
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} else {
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left = mid + 1;
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}
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}
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var i = left;
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if (i < array.length) {
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while (i > 0 && callback(array[i]) >= 0) {
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i--;
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}
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return i + 1;
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}
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return i;
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}
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function filterSortedArray(array, callback) {
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var start = findInsertionLocation(array, callback);
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var results = [];
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for (var i = start; i < array.length && callback(array[i]) === 0; i++) {
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results.push(array[i]);
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}
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return results;
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}
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module.exports = exports["default"];
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