diff --git a/example/package-lock.json b/example/package-lock.json
deleted file mode 100644
index 83b88f6..0000000
--- a/example/package-lock.json
+++ /dev/null
@@ -1,982 +0,0 @@
-{
-  "name": "example",
-  "version": "0.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
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-    },
-    "@types/babylon": {
-      "version": "6.16.5",
-      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
-      "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
-      "requires": {
-        "@types/babel-types": "*"
-      }
-    },
-    "accepts": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
-      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
-      "requires": {
-        "mime-types": "~2.1.18",
-        "negotiator": "0.6.1"
-      }
-    },
-    "acorn": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-      "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
-    },
-    "acorn-globals": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
-      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
-      "requires": {
-        "acorn": "^4.0.4"
-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
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-      }
-    },
-    "align-text": {
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-      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
-      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "requires": {
-        "kind-of": "^3.0.2",
-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
-      }
-    },
-    "array-flatten": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
-    },
-    "asap": {
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-      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
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-    "babel-runtime": {
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-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
-      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
-      "requires": {
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-        "regenerator-runtime": "^0.11.0"
-      }
-    },
-    "babel-types": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
-      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "esutils": "^2.0.2",
-        "lodash": "^4.17.4",
-        "to-fast-properties": "^1.0.3"
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-    "babylon": {
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-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
-      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ=="
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-      "requires": {
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-        "content-type": "~1.0.4",
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "http-errors": "~1.6.3",
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-        "on-finished": "~2.3.0",
-        "qs": "6.5.2",
-        "raw-body": "2.3.3",
-        "type-is": "~1.6.16"
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-      "dependencies": {
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-      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
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