add some babel stuff

node_modules/@babel/generator/lib/source-map.js

@@ -0,0 +1,84 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+function _sourceMap() {
+  var data = _interopRequireDefault(require("source-map"));
+
+  _sourceMap = function _sourceMap() {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var SourceMap = function () {
+  function SourceMap(opts, code) {
+    this._cachedMap = null;
+    this._code = code;
+    this._opts = opts;
+    this._rawMappings = [];
+  }
+
+  var _proto = SourceMap.prototype;
+
+  _proto.get = function get() {
+    if (!this._cachedMap) {
+      var map = this._cachedMap = new (_sourceMap().default.SourceMapGenerator)({
+        sourceRoot: this._opts.sourceRoot
+      });
+      var code = this._code;
+
+      if (typeof code === "string") {
+        map.setSourceContent(this._opts.sourceFileName, code);
+      } else if (typeof code === "object") {
+        Object.keys(code).forEach(function (sourceFileName) {
+          map.setSourceContent(sourceFileName, code[sourceFileName]);
+        });
+      }
+
+      this._rawMappings.forEach(map.addMapping, map);
+    }
+
+    return this._cachedMap.toJSON();
+  };
+
+  _proto.getRawMappings = function getRawMappings() {
+    return this._rawMappings.slice();
+  };
+
+  _proto.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;