diff --git a/tree-view-sample/package-lock.json b/tree-view-sample/package-lock.json
index 47a8ed0d..dcc2d82e 100644
--- a/tree-view-sample/package-lock.json
+++ b/tree-view-sample/package-lock.json
@@ -4,11 +4,53 @@
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
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+			"resolved": "http://registry.npmjs.org/@types/events/-/events-1.2.0.tgz",
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+			"dev": true
+		},
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+			"resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
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+			"dev": true,
+			"requires": {
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+				"@types/minimatch": "3.0.3",
+				"@types/node": "https://registry.npmjs.org/@types/node/-/node-7.0.18.tgz"
+			}
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+		"@types/minimatch": {
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+			"integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
+			"dev": true
+		},
+		"@types/mkdirp": {
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+			"resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-0.5.2.tgz",
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+			"dev": true,
+			"requires": {
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+			}
+		},
 		"@types/node": {
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 			"integrity": "sha1-zWfyfT3Az7dG8L3V4IbExdVb4XM=",
 			"dev": true
 		},
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+			"resolved": "https://registry.npmjs.org/@types/rimraf/-/rimraf-2.0.2.tgz",
+			"integrity": "sha512-Hm/bnWq0TCy7jmjeN5bKYij9vw5GrDFWME4IuxV08278NtU/VdGbzsBohcCUJ7+QMqmUq5hpRKB39HeQWJjztQ==",
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+			"requires": {
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+				"@types/node": "https://registry.npmjs.org/@types/node/-/node-7.0.18.tgz"
+			}
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@@ -54,6 +96,11 @@
 			"integrity": "sha1-3Tz7gO15c6dRF82sabC5nshhhvU=",
 			"dev": true
 		},
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+			"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+		},
 		"block-stream": {
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@@ -62,6 +109,15 @@
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+			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+			"requires": {
+				"balanced-match": "1.0.0",
+				"concat-map": "0.0.1"
+			}
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-			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-		},
-		"duplexer": {
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-			"integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E="
+		"concat-map": {
+			"version": "0.0.1",
+			"resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+			"integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
 		},
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@@ -94,6 +147,11 @@
 			"integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
 			"dev": true
 		},
+		"fs.realpath": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+			"integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+		},
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@@ -141,34 +199,36 @@
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-		"ftp-response-parser": {
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-			"resolved": "https://registry.npmjs.org/ftp-response-parser/-/ftp-response-parser-1.0.1.tgz",
-			"integrity": "sha1-O50z+O3V+45HALj3eMRi5bFYH4k=",
+		"glob": {
+			"version": "7.1.3",
+			"resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
+			"integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
 			"requires": {
-				"readable-stream": "1.1.14"
+				"fs.realpath": "1.0.0",
+				"inflight": "1.0.6",
+				"inherits": "2.0.3",
+				"minimatch": "3.0.4",
+				"once": "1.4.0",
+				"path-is-absolute": "1.0.1"
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-				"isarray": {
-					"version": "0.0.1",
-					"resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-					"integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+				"inherits": {
+					"version": "2.0.3",
+					"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+					"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
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-				"readable-stream": {
-					"version": "1.1.14",
-					"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-					"integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+				"once": {
+					"version": "1.4.0",
+					"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+					"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
 					"requires": {
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-						"inherits": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-						"isarray": "0.0.1",
-						"string_decoder": "0.10.31"
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-				"string_decoder": {
-					"version": "0.10.31",
-					"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-					"integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+				"wrappy": {
+					"version": "1.0.2",
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@@ -800,47 +860,35 @@
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+		"inflight": {
+			"version": "1.0.6",
+			"resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+			"integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
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-				"parse-listing": "1.1.3",
-				"stream-combiner": "0.2.2",
-				"unorm": "1.4.1"
+				"once": "1.4.0",
+				"wrappy": "1.0.2"
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-					"version": "3.1.0",
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-					"integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+				"once": {
+					"version": "1.4.0",
+					"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+					"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
 					"requires": {
-						"ms": "2.0.0"
+						"wrappy": "1.0.2"
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-				"ms": {
-					"version": "2.0.0",
-					"resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-					"integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-				},
-				"stream-combiner": {
-					"version": "0.2.2",
-					"resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.2.2.tgz",
-					"integrity": "sha1-rsjLrBd7Vrb0+kec7YwZEs7lKFg=",
-					"requires": {
-						"duplexer": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
-						"through": "https://registry.npmjs.org/through/-/through-2.3.8.tgz"
-					}
+				"wrappy": {
+					"version": "1.0.2",
+					"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+					"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 				}
 			}
 		},
+		"inherits": {
+			"version": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+			"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+			"dev": true
+		},
 		"json-schema-traverse": {
 			"version": "0.3.1",
 			"resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
@@ -862,17 +910,31 @@
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-			"version": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
-			"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+		"minimatch": {
+			"version": "3.0.4",
+			"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+			"integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
 			"requires": {
-				"wrappy": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz"
+				"brace-expansion": "1.1.11"
 			}
 		},
-		"parse-listing": {
-			"version": "1.1.3",
-			"resolved": "https://registry.npmjs.org/parse-listing/-/parse-listing-1.1.3.tgz",
-			"integrity": "sha1-qlRvV/3BKc+/mUXNS3V7FLBhgt0="
+		"minimist": {
+			"version": "0.0.8",
+			"resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+			"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+		},
+		"mkdirp": {
+			"version": "0.5.1",
+			"resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+			"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+			"requires": {
+				"minimist": "0.0.8"
+			}
+		},
+		"path-is-absolute": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+			"integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
 		},
 		"plugin-error": {
 			"version": "0.1.2",
@@ -932,9 +994,13 @@
 			"integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=",
 			"dev": true
 		},
-		"through": {
-			"version": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-			"integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+		"rimraf": {
+			"version": "2.6.2",
+			"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
+			"integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+			"requires": {
+				"glob": "7.1.3"
+			}
 		},
 		"typescript": {
 			"version": "2.8.3",
@@ -942,11 +1008,6 @@
 			"integrity": "sha512-K7g15Bb6Ra4lKf7Iq2l/I5/En+hLIHmxWZGq3D4DIRNFxMNV6j2SHSvDOqs2tGd4UvD/fJvrwopzQXjLrT7Itw==",
 			"dev": true
 		},
-		"unorm": {
-			"version": "1.4.1",
-			"resolved": "https://registry.npmjs.org/unorm/-/unorm-1.4.1.tgz",
-			"integrity": "sha1-NkIA1fE2RsqLzURJAnEzVhR5IwA="
-		},
 		"url-parse": {
 			"version": "1.4.0",
 			"resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.0.tgz",
@@ -3125,10 +3186,6 @@
 					}
 				}
 			}
-		},
-		"wrappy": {
-			"version": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 		}
 	}
 }
diff --git a/tree-view-sample/package.json b/tree-view-sample/package.json
index 7c46aba0..8b4d43dd 100644
--- a/tree-view-sample/package.json
+++ b/tree-view-sample/package.json
@@ -19,7 +19,7 @@
 		"onLanguage:json",
 		"onLanguage:jsonc"
 	],
-	"main": "./out/src/extension",
+	"main": "./out/extension",
 	"contributes": {
 		"viewsContainers": {
 			"activitybar": [
@@ -180,7 +180,8 @@
 		]
 	},
 	"scripts": {
-		"vscode:prepublish": "tsc -p ./",
+		"vscode:prepublish": "npm run compile",
+		"compile": "tsc -p ./",
 		"watch": "tsc -watch -p ./",
 		"postinstall": "node ./node_modules/vscode/bin/install"
 	},