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89 lines
2.5 KiB
JavaScript

5 years ago
"use strict";
exports.__esModule = true;
var _keys = require("babel-runtime/core-js/object/keys");
var _keys2 = _interopRequireDefault(_keys);
var _typeof2 = require("babel-runtime/helpers/typeof");
var _typeof3 = _interopRequireDefault(_typeof2);
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _sourceMap = require("source-map");
var _sourceMap2 = _interopRequireDefault(_sourceMap);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var SourceMap = function () {
function SourceMap(opts, code) {
(0, _classCallCheck3.default)(this, SourceMap);
this._cachedMap = null;
this._code = code;
this._opts = opts;
this._rawMappings = [];
}
SourceMap.prototype.get = function get() {
if (!this._cachedMap) {
var map = this._cachedMap = new _sourceMap2.default.SourceMapGenerator({
file: this._opts.sourceMapTarget,
sourceRoot: this._opts.sourceRoot
});
var code = this._code;
if (typeof code === "string") {
map.setSourceContent(this._opts.sourceFileName, code);
} else if ((typeof code === "undefined" ? "undefined" : (0, _typeof3.default)(code)) === "object") {
(0, _keys2.default)(code).forEach(function (sourceFileName) {
map.setSourceContent(sourceFileName, code[sourceFileName]);
});
}
this._rawMappings.forEach(map.addMapping, map);
}
return this._cachedMap.toJSON();
};
SourceMap.prototype.getRawMappings = function getRawMappings() {
return this._rawMappings.slice();
};
SourceMap.prototype.mark = function mark(generatedLine, generatedColumn, line, column, identifierName, filename) {
if (this._lastGenLine !== generatedLine && line === null) return;
if (this._lastGenLine === generatedLine && this._lastSourceLine === line && this._lastSourceColumn === column) {
return;
}
this._cachedMap = null;
this._lastGenLine = generatedLine;
this._lastSourceLine = line;
this._lastSourceColumn = column;
this._rawMappings.push({
name: identifierName || undefined,
generated: {
line: generatedLine,
column: generatedColumn
},
source: line == null ? undefined : filename || this._opts.sourceFileName,
original: line == null ? undefined : {
line: line,
column: column
}
});
};
return SourceMap;
}();
exports.default = SourceMap;
module.exports = exports["default"];