diff --git a/package-lock.json b/package-lock.json
index 6bf63c9..e15ae6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
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@@ -19,30 +19,30 @@
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@@ -64,11 +64,6 @@
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@@ -178,9 +173,9 @@
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@@ -266,9 +261,9 @@
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@@ -289,13 +284,13 @@
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-        "whatwg-mimetype": "^2.2.0",
-        "whatwg-url": "^7.0.0"
+        "abab": "^2.0.3",
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@@ -306,10 +301,15 @@
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@@ -327,11 +327,18 @@
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@@ -364,26 +371,26 @@
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-        "estraverse": "^4.2.0",
+        "esprima": "^4.0.1",
+        "estraverse": "^5.2.0",
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@@ -602,11 +609,11 @@
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@@ -669,11 +676,6 @@
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@@ -705,6 +707,11 @@
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@@ -794,7 +839,7 @@
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@@ -1311,13 +1349,13 @@
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@@ -1331,9 +1369,9 @@
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diff --git a/package.json b/package.json
index 1bc895d..eb0165e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
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