1 files changed, 77 insertions, 0 deletions
diff --git a/node_modules/babel-generator/lib/source-map.js b/node_modules/babel-generator/lib/source-map.js
new file mode 100644
index 000000000..192d8bca0
--- /dev/null
+++ b/node_modules/babel-generator/lib/source-map.js
@@ -0,0 +1,77 @@
+"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) {
+    var _this = this;
+
+    (0, _classCallCheck3.default)(this, SourceMap);
+
+    this._opts = opts;
+    this._map = new _sourceMap2.default.SourceMapGenerator({
+      file: opts.sourceMapTarget,
+      sourceRoot: opts.sourceRoot
+    });
+
+    if (typeof code === "string") {
+      this._map.setSourceContent(opts.sourceFileName, code);
+    } else if ((typeof code === "undefined" ? "undefined" : (0, _typeof3.default)(code)) === "object") {
+      (0, _keys2.default)(code).forEach(function (sourceFileName) {
+        _this._map.setSourceContent(sourceFileName, code[sourceFileName]);
+      });
+    }
+  }
+
+  SourceMap.prototype.get = function get() {
+    return this._map.toJSON();
+  };
+
+  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._lastGenLine = generatedLine;
+    this._lastSourceLine = line;
+    this._lastSourceColumn = column;
+
+    this._map.addMapping({
+      name: identifierName,
+      generated: {
+        line: generatedLine,
+        column: generatedColumn
+      },
+      source: line == null ? null : filename || this._opts.sourceFileName,
+      original: line == null ? null : {
+        line: line,
+        column: column
+      }
+    });
+  };
+
+  return SourceMap;
+}();
+
+exports.default = SourceMap;
+module.exports = exports["default"];
+\ No newline at end of file