diff --git a/packages/core/package-lock.json b/packages/core/package-lock.json
index aa45167701..6aa05215c5 100644
--- a/packages/core/package-lock.json
+++ b/packages/core/package-lock.json
@@ -5,20 +5,20 @@
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+      "version": "0.0.6-2",
+      "resolved": "https://registry.npmjs.org/@stencil/core/-/core-0.0.6-2.tgz",
+      "integrity": "sha512-sr6U3Hbdsk8WLn5ZKckATRWkHmCbZqsJFr8R7wFj0SCLLUtdpOKh6+p+C+taJguFx+sm0n14JnybFFrpmB0mvg==",
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         "node-sass": "4.5.3",
-        "rollup": "0.47.6",
-        "rollup-plugin-commonjs": "8.2.1",
+        "rollup": "0.50.0",
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-        "typescript": "2.5.2",
-        "uglify-es": "3.1.1",
-        "workbox-build": "2.0.1"
+        "typescript": "2.5.3",
+        "uglify-es": "3.1.2",
+        "workbox-build": "2.0.3"
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     "@stencil/dev-server": {
@@ -39,6 +39,12 @@
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       "dev": true
     },
+    "@types/jest": {
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+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-21.1.1.tgz",
+      "integrity": "sha512-PkhRLvgERKS5ZDrmYUQbbEOwhD4c2vGpWbCvwPLF82cdE6jWAwMKGAWYyIKfEgSDO5tr1p1n2XmeVlynMJ2usA==",
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+    },
     "@types/node": {
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       "resolved": "https://registry.npmjs.org/@types/node/-/node-6.0.88.tgz",
@@ -46,9 +52,9 @@
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-      "integrity": "sha1-uB3l9ydOxOdW15fNg08wNkJyTl0=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
+      "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=",
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@@ -72,10 +78,27 @@
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+    "acorn-jsx": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "dev": true,
+      "requires": {
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+      "dependencies": {
+        "acorn": {
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+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
+          "dev": true
+        }
+      }
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-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.2.tgz",
-      "integrity": "sha1-R8aNaehvXZUxA7AHSpQw3GPaXjk=",
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+      "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
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@@ -84,12 +107,35 @@
         "json-stable-stringify": "1.0.1"
       }
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+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
+      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
+      "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "dev": true,
+      "requires": {
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
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       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
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+    "ansi-escapes": {
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+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.0.0.tgz",
+      "integrity": "sha512-O/klc27mWNUigtv0F8NJWbLF00OcegQalkqKURWdosW08YZKi4m6CnSUSvIZG1otNJbTWhN01Hhz389DW7mvDQ==",
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@@ -112,6 +158,15 @@
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+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-0.4.0.tgz",
+      "integrity": "sha1-126/jKlNJ24keja61EpLdKthGZE=",
+      "dev": true,
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       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
@@ -128,6 +183,15 @@
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+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
+      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "dev": true,
+      "requires": {
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@@ -155,12 +219,33 @@
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       "dev": true
     },
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+      "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
+      "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
+      "dev": true,
+      "requires": {
+        "array-uniq": "1.0.3"
+      }
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+    "array-uniq": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
+      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
+      "dev": true
+    },
     "array-unique": {
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       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.2.1.tgz",
       "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
       "dev": true
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+    "arrify": {
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+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
+      "dev": true
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@@ -173,6 +258,21 @@
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       "dev": true
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+    "astral-regex": {
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+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
+    "async": {
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+      "resolved": "https://registry.npmjs.org/async/-/async-2.5.0.tgz",
+      "integrity": "sha512-e+lJAJeNWuPCNyxZKOBdaJGyLGHugXVQtrAwtuAe2vhxTYxFTKE73p8JuTmdH0qdQZtDvI4dhJwjZc5zsfIsYw==",
+      "dev": true,
+      "requires": {
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@@ -214,6 +314,195 @@
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+      "integrity": "sha1-rzL3izGm/O8RnIew/Y2XU/A6C7g=",
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+        "babel-generator": "6.26.0",
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+        "convert-source-map": "1.5.0",
+        "debug": "2.6.9",
+        "json5": "0.5.1",
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+        "minimatch": "3.0.4",
+        "path-is-absolute": "1.0.1",
+        "private": "0.1.7",
+        "slash": "1.0.0",
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+      "integrity": "sha1-rBriAHC3n248odMmlhMFN3TyDcU=",
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+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
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@@ -304,6 +593,15 @@
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@@ -316,6 +614,29 @@
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@@ -338,6 +659,17 @@
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@@ -368,6 +700,33 @@
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@@ -3239,6 +5822,12 @@
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@@ -3248,6 +5837,12 @@
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@@ -3260,6 +5855,63 @@
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
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       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
@@ -3271,6 +5923,37 @@
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+      "dev": true,
+      "requires": {
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+        "micromatch": "2.3.11",
+        "object-assign": "4.1.1",
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+    "text-table": {
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+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+      "dev": true
+    },
+    "throat": {
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+      "resolved": "https://registry.npmjs.org/throat/-/throat-4.1.0.tgz",
+      "integrity": "sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=",
+      "dev": true
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+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
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       "resolved": "https://registry.npmjs.org/tiny-lr/-/tiny-lr-1.0.5.tgz",
@@ -3278,17 +5961,29 @@
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-        "debug": "2.6.8",
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         "livereload-js": "2.2.2",
         "object-assign": "4.1.1",
         "qs": "6.5.1"
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+      "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",
+      "integrity": "sha1-I2QN17QtAEM5ERQIIOXPRA5SHdE=",
+      "dev": true
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+    "to-fast-properties": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "dev": true
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-      "integrity": "sha1-8IH3bkyFcg5sN6X6ztc3FQ2EByo=",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
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@@ -3317,6 +6012,18 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
+      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
+      "dev": true
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+      "resolved": "https://registry.npmjs.org/tryit/-/tryit-1.0.3.tgz",
+      "integrity": "sha1-OTvnMKlEb9Hq1tpZoBQwjzbCics=",
+      "dev": true
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@@ -3338,7 +6045,7 @@
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     "tslint-eslint-rules": {
@@ -3352,6 +6059,28 @@
         "tsutils": "1.9.1"
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+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-0.7.2.tgz",
+          "integrity": "sha1-fLhgNZujvpDgQLJrcpzkv6ZUxSM=",
+          "dev": true,
+          "requires": {
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+            "isarray": "0.0.1"
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+        "esutils": {
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+          "resolved": "https://registry.npmjs.org/esutils/-/esutils-1.1.6.tgz",
+          "integrity": "sha1-wBzKqa5LiXxtDD4hCuUvPHqEQ3U=",
+          "dev": true
+        },
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true
+        },
         "tsutils": {
           "version": "1.9.1",
           "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-1.9.1.tgz",
@@ -3370,9 +6099,9 @@
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-      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.8.2.tgz",
-      "integrity": "sha1-LBSGukMSYIRbCsb5Aq/Z1wio6mo=",
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.9.0.tgz",
+      "integrity": "sha1-fhU3tVa6tocvp+ZIXf9FsHbVUz0=",
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         "tslib": "1.7.1"
@@ -3403,22 +6132,35 @@
         "prelude-ls": "1.1.2"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
+    },
     "typescript": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.5.2.tgz",
-      "integrity": "sha1-A4qV99m7tCCxvzW6MdTFwd0//jQ=",
+      "version": "2.5.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.5.3.tgz",
+      "integrity": "sha512-ptLSQs2S4QuS6/OD1eAKG+S5G8QQtrU5RT32JULdZQtM1L3WTi34Wsu48Yndzi8xsObRAB9RPt/KhA9wlpEF6w==",
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     "uglify-es": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.1.1.tgz",
-      "integrity": "sha512-oESWzXRJ5cHfxZnj1wS4WAy1Tcn4RbMhSX6lhMpzkHN+6SrO6Wmlg9dK4M+K/MXHIwndOD7wme7fEGuFcEf4BQ==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.1.2.tgz",
+      "integrity": "sha512-ULYW1xj/yW0IAkLW1XzIXB3O888275E2/r4tFy83D9wPRKGlUjKWeQAZoyHXujr/fsHeh6QMlc1ayCE8kqnoaw==",
       "dev": true,
       "requires": {
         "commander": "2.11.0",
         "source-map": "0.5.7"
       }
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+    "uglify-to-browserify": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
+      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
+      "dev": true,
+      "optional": true
+    },
     "universalify": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
@@ -3431,6 +6173,32 @@
       "integrity": "sha1-wHJ1aWetJLi1nldBVRyqx49QuLc=",
       "dev": true
     },
+    "user-home": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/user-home/-/user-home-2.0.0.tgz",
+      "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
+      "dev": true,
+      "requires": {
+        "os-homedir": "1.0.2"
+      }
+    },
+    "util": {
+      "version": "0.10.3",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
+      "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.1"
+      },
+      "dependencies": {
+        "inherits": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+          "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
+          "dev": true
+        }
+      }
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -3470,6 +6238,25 @@
       "integrity": "sha1-4xbVJXtAuGu0PLjV/qXX9U1rDKE=",
       "dev": true
     },
+    "walker": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.7.tgz",
+      "integrity": "sha1-L3+bj9ENZ3JisYqITijRlhjgKPs=",
+      "dev": true,
+      "requires": {
+        "makeerror": "1.0.11"
+      }
+    },
+    "watch": {
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/watch/-/watch-0.18.0.tgz",
+      "integrity": "sha1-KAlUdsbffJDJYxOJkMClQj60uYY=",
+      "dev": true,
+      "requires": {
+        "exec-sh": "0.2.1",
+        "minimist": "1.2.0"
+      }
+    },
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
@@ -3482,7 +6269,7 @@
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       "dev": true,
       "requires": {
-        "http-parser-js": "0.4.6",
+        "http-parser-js": "0.4.8",
         "websocket-extensions": "0.1.2"
       }
     },
@@ -3502,9 +6289,9 @@
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-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.2.1.tgz",
-      "integrity": "sha512-+WH1K7dyXmt9a3U1Nt1GcsQsmnnHWfl/D8VTSK30ltddZukygZh691yNmydWcyzn0aDwc9+OFpDHYwzRgBEZTQ==",
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.3.0.tgz",
+      "integrity": "sha512-rM+hE5iYKGPAOu05mIdJR47pYSR2vDzfrTEFRc/S8D3L60yW8BuXmUJ7Kog7x/DrokFN7JNaHKadpzjouKRRAw==",
       "dev": true,
       "requires": {
         "lodash.sortby": "4.7.0",
@@ -3536,6 +6323,13 @@
         "string-width": "1.0.2"
       }
     },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
+      "dev": true,
+      "optional": true
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -3543,9 +6337,9 @@
       "dev": true
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     "workbox-build": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/workbox-build/-/workbox-build-2.0.1.tgz",
-      "integrity": "sha512-Bhk9IEbi2R2q0RFFN0/SJWuY1MxL1f9bJU88u++s1voii1MoTupOhATMp3/YmbeThaDFPa6444F36JHYj5OW3g==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/workbox-build/-/workbox-build-2.0.3.tgz",
+      "integrity": "sha512-Tqwqaq/JAKV2Lj37Eg/AdZq7r7UYrFQ1gTyPx0PBJ2dhQU1Sz/MSa6MUsbY0wVNqyXYqbkaizg2PVmbljLpvdQ==",
       "dev": true,
       "requires": {
         "chalk": "1.1.3",
@@ -3553,15 +6347,25 @@
         "glob": "7.1.2",
         "lodash.template": "4.4.0",
         "mkdirp": "0.5.1",
-        "workbox-sw": "2.0.1"
+        "workbox-sw": "2.0.3"
       }
     },
     "workbox-sw": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/workbox-sw/-/workbox-sw-2.0.1.tgz",
-      "integrity": "sha512-01qQkceu7D6d8fOBFDvb3jucoJJoWqHA8lbFTP5qETIPvDheCoW1ZgVzAs7wWB5SZOa5kPMjP/qlR7TYYLGsEw==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/workbox-sw/-/workbox-sw-2.0.3.tgz",
+      "integrity": "sha512-oVVkci0qYtYnV7kiUcLOWnzCNXXrVpUhCFajqg/cv+T8IWO2onV75qktpjXK+2wvaCVWYStinZ/D8AFSZHTnmQ==",
       "dev": true
     },
+    "worker-farm": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.5.0.tgz",
+      "integrity": "sha512-DHRiUggxtbruaTwnLDm2/BRDKZIoOYvrgYUj5Bam4fU6Gtvc0FaEyoswFPBjMXAweGW2H4BDNIpy//1yXXuaqQ==",
+      "dev": true,
+      "requires": {
+        "errno": "0.1.4",
+        "xtend": "4.0.1"
+      }
+    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -3578,6 +6382,26 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
+      "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1"
+      }
+    },
+    "write-file-atomic": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.3.0.tgz",
+      "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "4.1.11",
+        "imurmurhash": "0.1.4",
+        "signal-exit": "3.0.2"
+      }
+    },
     "xml-name-validator": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-2.0.1.tgz",
diff --git a/packages/core/package.json b/packages/core/package.json
index 649bbe1733..c55a13ea74 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -10,10 +10,12 @@
     "dist/"
   ],
   "devDependencies": {
-    "@stencil/core": "0.0.6-0",
+    "@stencil/core": "0.0.6-2",
     "@stencil/dev-server": "latest",
     "@stencil/utils": "latest",
+    "@types/jest": "^21.1.0",
     "ionicons": "^4.0.0-6",
+    "jest": "^21.1.0",
     "sass-lint": "^1.11.1",
     "tslint": "^5.7.0",
     "tslint-ionic-rules": "0.0.11"
@@ -22,6 +24,7 @@
     "build": "stencil build",
     "dev": "sd concurrent \"stencil build --dev --watch\" \"stencil-dev-server\"",
     "test": "jest --no-cache",
+    "test.watch": "jest --watch --no-cache",
     "clean": "rm -rf dist",
     "lint": "npm run tslint",
     "sass-lint": "sass-lint -v -q",
@@ -40,5 +43,17 @@
   "bugs": {
     "url": "https://github.com/ionic-team/ionic/issues"
   },
-  "homepage": "https://github.com/ionic-team/ionic#readme"
+  "homepage": "https://github.com/ionic-team/ionic#readme",
+  "jest": {
+    "transform": {
+      "^.+\\.(ts|tsx)$": "<rootDir>/node_modules/@stencil/core/testing/jest.preprocessor.js"
+    },
+    "testRegex": ".*\\.spec\\.(ts|tsx|js)$",
+    "moduleFileExtensions": [
+      "ts",
+      "tsx",
+      "js",
+      "jsx"
+    ]
+  }
 }
diff --git a/packages/core/src/components/button/test/button.spec.ts b/packages/core/src/components/button/test/button.spec.ts
new file mode 100644
index 0000000000..aebefad187
--- /dev/null
+++ b/packages/core/src/components/button/test/button.spec.ts
@@ -0,0 +1,27 @@
+import { render, flush } from '@stencil/core/testing';
+import { Button } from '../button';
+
+
+describe('button', () => {
+
+  it('should render button inner text', async () => {
+    const root = await render({
+      components: [Button],
+      html: '<ion-button>Button Inner Text</ion-button>'
+    });
+
+    expect(root.textContent).toBe('Button Inner Text');
+    expect(root.querySelector('button').hasAttribute('disabled')).toBe(false);
+
+    root.disabled = true;
+    await flush(root);
+
+    expect(root.querySelector('button').hasAttribute('disabled')).toBe(true);
+  });
+
+  it('should default itemButton to false', () => {
+    const btn = new Button();
+    expect(btn.itemButton).toBe(false);
+  });
+
+});