part of debugger.ts

 if (CompileEvent != null) {
    // node adds \n\n})
    const nodejsSuffix = "(?:[\\r\\n]+\\}\\);?)?"
    const sourceMapRegExp = new RegExp("[\\r\\n]//(?:@|#)[ \\t]sourceMappingURL=[ \\t]*(?:file://)?([^\\r\\n]*)\\s*(?:\\*/\\s*)?" + nodejsSuffix + "$")

    CompileEvent.prototype.super$toJSONProtocol = CompileEvent.prototype.toJSONProtocol
    CompileEvent.prototype.toJSONProtocol = function (): string {
      try {
        if (this.eventType() != 5) {
          return this.super$toJSONProtocol()
        }

        var script = this.script()
        if (script.name() == null /* source void 0; - skip it */ ||
          script.context() == null ||
          script.scriptType() === 0 /* native */ ||
          script.source().indexOf("javascript:void(0);") === 0) {
          return '{"event": "scriptParsed"}'
        }

        var descriptor: any = {
          id: script.id(),
          path: script.name(),
          type: script.scriptType(),
          endLine: (script.lineOffset() + script.lineCount()) - 1
        }

        var startLine = script.lineOffset()
        if (startLine !== 0) {
          descriptor.startLine = startLine
        }

        var startColumn = script.columnOffset()
        if (startColumn !== 0) {
          descriptor.startColumn = startColumn
        }

        var source = script.source()
        if (source != null) {
          var result = sourceMapRegExp.exec(source)
          if (result != null && result.length > 1) {
            descriptor.sourceMapUrl = result[1]
          }
        }

        return '{"event": "scriptParsed", "body": ' + JSON.stringify(descriptor) + '}'
      }
      catch (e) {
        //noinspection TypeScriptUnresolvedVariable
        return '{"success": false, "message": ' + JSON.stringify('Error while sending break event:' + "\n\n" + e) + '}'
      }
    }
  }