diff --git a/demos/prevent-secondary-view-on-refresh-angular5/package-lock.json b/demos/prevent-secondary-view-on-refresh-angular5/package-lock.json
index e87a31f23..74756c33f 100644
--- a/demos/prevent-secondary-view-on-refresh-angular5/package-lock.json
+++ b/demos/prevent-secondary-view-on-refresh-angular5/package-lock.json
@@ -287,6 +287,7 @@
 			"version": "2.10.1",
 			"resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
 			"integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+			"optional": true,
 			"requires": {
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 			}
@@ -525,6 +526,7 @@
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 			"integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+			"optional": true,
 			"requires": {
 				"delayed-stream": "1.0.0"
 			}
@@ -685,7 +687,8 @@
 		"delayed-stream": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-			"integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+			"integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+			"optional": true
 		},
 		"des.js": {
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@@ -988,7 +991,8 @@
 		"extsprintf": {
 			"version": "1.3.0",
 			"resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-			"integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+			"integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+			"optional": true
 		},
 		"fast-deep-equal": {
 			"version": "1.0.0",
@@ -1076,7 +1080,8 @@
 				},
 				"ansi-regex": {
 					"version": "2.1.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "1.1.1",
@@ -1119,7 +1124,8 @@
 				},
 				"balanced-match": {
 					"version": "0.4.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "1.0.1",
@@ -1132,6 +1138,7 @@
 				"block-stream": {
 					"version": "0.0.9",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"inherits": "2.0.3"
 					}
@@ -1139,6 +1146,7 @@
 				"boom": {
 					"version": "2.10.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"hoek": "2.16.3"
 					}
@@ -1146,6 +1154,7 @@
 				"brace-expansion": {
 					"version": "1.1.7",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"balanced-match": "0.4.2",
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@@ -1153,7 +1162,8 @@
 				},
 				"buffer-shims": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "0.12.0",
@@ -1167,26 +1177,31 @@
 				},
 				"code-point-at": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"combined-stream": {
 					"version": "1.0.5",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"delayed-stream": "1.0.0"
 					}
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 				"concat-map": {
 					"version": "0.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"console-control-strings": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"core-util-is": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"cryptiles": {
 					"version": "2.0.5",
@@ -1226,7 +1241,8 @@
 				},
 				"delayed-stream": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"delegates": {
 					"version": "1.0.0",
@@ -1248,7 +1264,8 @@
 				},
 				"extsprintf": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"forever-agent": {
 					"version": "0.6.1",
@@ -1267,11 +1284,13 @@
 				},
 				"fs.realpath": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"fstream": {
 					"version": "1.0.11",
 					"bundled": true,
+					"optional": true,
 					"requires": {
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 						"inherits": "2.0.3",
@@ -1322,6 +1341,7 @@
 				"glob": {
 					"version": "7.1.2",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"fs.realpath": "1.0.0",
 						"inflight": "1.0.6",
@@ -1333,7 +1353,8 @@
 				},
 				"graceful-fs": {
 					"version": "4.1.11",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"har-schema": {
 					"version": "1.0.5",
@@ -1367,7 +1388,8 @@
 				},
 				"hoek": {
 					"version": "2.16.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "1.1.1",
@@ -1382,6 +1404,7 @@
 				"inflight": {
 					"version": "1.0.6",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"once": "1.4.0",
 						"wrappy": "1.0.2"
@@ -1389,7 +1412,8 @@
 				},
 				"inherits": {
 					"version": "2.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "1.3.4",
@@ -1399,6 +1423,7 @@
 				"is-fullwidth-code-point": {
 					"version": "1.0.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "1.0.1"
 					}
@@ -1410,7 +1435,8 @@
 				},
 				"isarray": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 					"version": "0.1.2",
@@ -1473,11 +1499,13 @@
 				},
 				"mime-db": {
 					"version": "1.27.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"mime-types": {
 					"version": "2.1.15",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"mime-db": "1.27.0"
 					}
@@ -1485,20 +1513,16 @@
 				"minimatch": {
 					"version": "3.0.4",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "1.1.7"
 					}
 				},
 				"minimist": {
-					"version": "0.0.8",
-					"bundled": true
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-				"mkdirp": {
-					"version": "0.5.1",
-					"bundled": true,
-					"requires": {
-						"minimist": "0.0.8"
-					}
+					"version": "1.2.0",
+					"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+					"integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
+					"optional": true
 				},
 				"ms": {
 					"version": "2.0.0",
@@ -1543,7 +1567,8 @@
 				},
 				"number-is-nan": {
 					"version": "1.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"oauth-sign": {
 					"version": "0.8.2",
@@ -1558,6 +1583,7 @@
 				"once": {
 					"version": "1.4.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1.0.2"
 					}
@@ -1583,7 +1609,8 @@
 				},
 				"path-is-absolute": {
 					"version": "1.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"performance-now": {
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@@ -1592,7 +1619,8 @@
 				},
 				"process-nextick-args": {
 					"version": "1.0.7",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"punycode": {
 					"version": "1.4.1",
@@ -1613,18 +1641,12 @@
 						"ini": "1.3.4",
 						"minimist": "1.2.0",
 						"strip-json-comments": "2.0.1"
-					},
-					"dependencies": {
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-						}
 					}
 				},
 				"readable-stream": {
 					"version": "2.2.9",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"buffer-shims": "1.0.0",
 						"core-util-is": "1.0.2",
@@ -1667,13 +1689,15 @@
 				"rimraf": {
 					"version": "2.6.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"glob": "7.1.2"
 					}
 				},
 				"safe-buffer": {
 					"version": "5.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"semver": {
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@@ -1724,6 +1748,7 @@
 				"string-width": {
 					"version": "1.0.2",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "1.1.0",
 						"is-fullwidth-code-point": "1.0.0",
@@ -1733,6 +1758,7 @@
 				"string_decoder": {
 					"version": "1.0.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "5.0.1"
 					}
@@ -1745,6 +1771,7 @@
 				"strip-ansi": {
 					"version": "3.0.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "2.1.1"
 					}
@@ -1757,6 +1784,7 @@
 				"tar": {
 					"version": "2.2.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"block-stream": "0.0.9",
 						"fstream": "1.0.11",
@@ -1806,7 +1834,8 @@
 				},
 				"util-deprecate": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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 				"uuid": {
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@@ -1831,7 +1860,8 @@
 				},
 				"wrappy": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
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@@ -1964,7 +1994,8 @@
 		"hoek": {
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 			"resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-			"integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+			"integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+			"optional": true
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@@ -2480,12 +2511,14 @@
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-			"integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE="
+			"integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE=",
+			"optional": true
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 			"integrity": "sha1-Cdejk/A+mVp5+K+Fe3Cp4KsWVXo=",
+			"optional": true,
 			"requires": {
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 			}
@@ -2516,12 +2549,12 @@
 		"minimist": {
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 			"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-			"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+			"integrity": "sha512-miQKw5Hv4NS1Psg2517mV4e4dYNaO3++hjAvLOAzKqZ61rH8NS1SK+vbfBWZ5PY/Me/bEWhUwqMghEW5Fb9T7Q=="
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-			"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+			"integrity": "sha512-SknJC52obPfGQPnjIkXbmA6+5H15E+fR+E4iR2oQ3zzCLbd7/ONua69R/Gw7AgkTLsRG+r5fzksYwWe1AgTyWA==",
 			"requires": {
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