Extension issue

[namvt13]

• Issue Type: Bug
• Extension Name: highlight-line-vscode
• Extension Version: 0.0.1
• OS Version: Linux x64 4.18.0-21-generic
• VSCode version: 1.35.0

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{
	"messages": [],
	"activationTimes": {
		"startup": true,
		"codeLoadingTime": 0,
		"activateCallTime": 1,
		"activateResolvedTime": 26,
		"activationEvent": "*"
	},
	"runtimeErrors": [
		{
			"name": "TypeError",
			"message": "Cannot read property 'selection' of undefined"
		}
	]
}