diff --git a/example/package-lock.json b/example/package-lock.json
index c479cb2..ec25dc5 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -844,6 +844,18 @@
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       "dev": true
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+    "@types/minimist": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz",
+      "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
+      "dev": true
+    },
+    "@types/normalize-package-data": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.1.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.2.tgz",
@@ -1135,9 +1147,9 @@
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-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
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+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
+      "integrity": "sha512-nxwy40TuMiUGqMyRHgCSWZ9FM4VAoRP4xUYSTv5ImRog+h9yISPbVH7H8fASCIzYn9wlEv4zvFL7uKDMCFQm3g==",
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@@ -1171,22 +1183,22 @@
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-      "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
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       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
       "dev": true
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+    "arrify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
+      "dev": true
+    },
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-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
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@@ -1288,9 +1300,9 @@
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-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
+      "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==",
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@@ -1402,15 +1414,6 @@
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-      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
-      "dev": true,
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@@ -1656,21 +1659,14 @@
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-      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
-      "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-6.2.2.tgz",
+      "integrity": "sha512-YrwaA0vEKazPBkn0ipTiMpSajYDSe+KjQfrjhcBMxJt/znbvlHd8Pw/Vamaz5EB4Wfhs3SUR3Z9mwRu/P3s3Yg==",
       "dev": true,
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-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
-          "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
-          "dev": true
-        }
+        "camelcase": "^5.3.1",
+        "map-obj": "^4.0.0",
+        "quick-lru": "^4.0.1"
       }
     },
     "caniuse-api": {
@@ -1860,6 +1856,12 @@
         "simple-swizzle": "^0.2.2"
       }
     },
+    "color-support": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
+      "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -2310,15 +2312,6 @@
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-      "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
-      "integrity": "sha1-mI3zP+qxke95mmE2nddsF635V+o=",
-      "dev": true,
-      "requires": {
-        "array-find-index": "^1.0.1"
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@@ -2349,6 +2342,24 @@
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
       "dev": true
     },
+    "decamelize-keys": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/decamelize-keys/-/decamelize-keys-1.1.0.tgz",
+      "integrity": "sha1-0XGoeTMlKAfrPLYdwcFEXQeN8tk=",
+      "dev": true,
+      "requires": {
+        "decamelize": "^1.1.0",
+        "map-obj": "^1.0.0"
+      },
+      "dependencies": {
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+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-1.0.1.tgz",
+          "integrity": "sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0=",
+          "dev": true
+        }
+      }
+    },
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@@ -2586,6 +2597,12 @@
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       "dev": true
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+    "env-paths": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/env-paths/-/env-paths-2.2.1.tgz",
+      "integrity": "sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==",
+      "dev": true
+    },
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@@ -2980,6 +2997,15 @@
         "readable-stream": "^2.0.0"
       }
     },
+    "fs-minipass": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz",
+      "integrity": "sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==",
+      "dev": true,
+      "requires": {
+        "minipass": "^3.0.0"
+      }
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@@ -3024,7 +3050,8 @@
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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@@ -3045,12 +3072,14 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
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@@ -3065,17 +3094,20 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
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@@ -3192,7 +3224,8 @@
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           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3204,6 +3237,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3218,6 +3252,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3225,12 +3260,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.3.5",
           "bundled": true,
           "dev": true,
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@@ -3249,6 +3286,7 @@
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           "dev": true,
+          "optional": true,
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@@ -3329,7 +3367,8 @@
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-          "dev": true
+          "dev": true,
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@@ -3341,6 +3380,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3426,7 +3466,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3462,6 +3503,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3481,6 +3523,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3524,27 +3567,17 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
-      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
-      "dev": true,
-      "requires": {
-        "graceful-fs": "^4.1.2",
-        "inherits": "~2.0.0",
-        "mkdirp": ">=0.5 0",
-        "rimraf": "2"
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@@ -3726,9 +3759,9 @@
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-      "resolved": "https://registry.npmjs.org/globule/-/globule-1.2.1.tgz",
-      "integrity": "sha512-g7QtgWF4uYSL5/dn71WxubOrS7JVGCnFPEnoeChJmBnyR9Mw8nGoEwOgJL/RC2Te0WhbsEUCejfH8SZNJ+adYQ==",
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.3.tgz",
+      "integrity": "sha512-mb1aYtDbIjTu4ShMB85m3UzjX9BVKe9WCzsnfMSZk+K5GpIbBOexgg4PPCt5eHDEG5/ZQAUX2Kct02zfiPLsKg==",
       "dev": true,
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@@ -3749,15 +3782,41 @@
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-      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
-      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+      "version": "5.1.5",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.5.tgz",
+      "integrity": "sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==",
       "dev": true,
       "requires": {
-        "ajv": "^6.5.5",
+        "ajv": "^6.12.3",
         "har-schema": "^2.0.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.12.6",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+          "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
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+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+          "dev": true
+        }
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+    "hard-rejection": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/hard-rejection/-/hard-rejection-2.1.0.tgz",
+      "integrity": "sha512-VIZB+ibDhx7ObhAe7OVtoEbuP4h/MuOTHJ+J8h/eBXotJYl0fBgR72xDFCKgIh22OJZIOVNxBMWuhAr10r8HdA==",
+      "dev": true
+    },
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@@ -3767,23 +3826,6 @@
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-      "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
-      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
-      "dev": true,
-      "requires": {
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-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
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@@ -3881,10 +3923,30 @@
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-      "integrity": "sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==",
-      "dev": true
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-4.1.0.tgz",
+      "integrity": "sha512-kyCuEOWjJqZuDbRHzL8V93NzQhwIB71oFWSyzVo+KPZI+pnQPPxucdkrOZvkLRnrf5URsQM+IJ09Dw29cRALIA==",
+      "dev": true,
+      "requires": {
+        "lru-cache": "^6.0.0"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+          "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+          "dev": true,
+          "requires": {
+            "yallist": "^4.0.0"
+          }
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+          "dev": true
+        }
+      }
     },
     "hsl-regex": {
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-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        }
+        "string-width": "^1.0.2 || 2 || 3 || 4"
       }
     },
     "worker-farm": {
diff --git a/example/package.json b/example/package.json
index 0354e39..f26b37d 100644
--- a/example/package.json
+++ b/example/package.json
@@ -14,7 +14,7 @@
     "cssnano": "^4.1.10",
     "fs-readdir-recursive": "^1.1.0",
     "mini-css-extract-plugin": "^0.8.0",
-    "node-sass": "^4.13.0",
+    "node-sass": "^7.0.0",
     "postcss-import": "^12.0.1",
     "postcss-loader": "^3.0.0",
     "postcss-preset-env": "^6.7.0",