diff --git a/package-lock.json b/package-lock.json
index 73916558001..17d20120458 100644
--- a/package-lock.json
+++ b/package-lock.json
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-          "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
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-          "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
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@@ -5182,7 +5206,7 @@
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-          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
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-          "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.1.tgz",
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@@ -5224,14 +5249,14 @@
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-          "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+          "resolved": false,
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         "wide-align": {
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-          "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
+          "resolved": false,
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@@ -5241,22 +5266,24 @@
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         "wrappy": {
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-          "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+          "resolved": false,
           "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.2.tgz",
+          "resolved": false,
           "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
-          "dev": true
+          "dev": true,
+          "optional": true
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       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
+      "integrity": "sha1-pWiZ0+o8m6uHS7l3O3xe3pL0iV0=",
       "dev": true
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@@ -5819,7 +5846,7 @@
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-      "integrity": "sha512-e21wivqHpstpoiWA/Yi8eFti8E+sQDSS53cpJsPptPs295QTOQR0ZwnHo2TXy1XOpZFD9rPOd3NpmqTK6uMLJA==",
+      "integrity": "sha1-xp7XTi0neXaaF7qDmbVM4LY8EsM=",
       "dev": true,
       "requires": {
         "is-ci": "^1.0.10",
@@ -6107,6 +6134,12 @@
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       }
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+    "interpret": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.2.0.tgz",
+      "integrity": "sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
@@ -6640,7 +6673,7 @@
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-          "integrity": "sha512-oftTcaMu/EGrEIu904mWteKIv8vMuOgGYo7EhVJJN00R/EED9DCua/xxHRdYnKtcECzVg7xOWhflvJMnqcFZjw==",
+          "integrity": "sha1-RJnt3NERDgshi6zy+n9/WfVcqAQ=",
           "dev": true
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@@ -7682,7 +7715,8 @@
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       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "longest-streak": {
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@@ -7888,7 +7922,7 @@
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       "resolved": "https://registry.npmjs.org/matcher-collection/-/matcher-collection-1.0.5.tgz",
-      "integrity": "sha512-nUCmzKipcJEwYsBVAFh5P+d7JBuhJaW1xs85Hara9xuMLqtCVUrW6DSC0JVIkluxEH2W45nPBM/wjHtBXa/tYA==",
+      "integrity": "sha1-LuCVQ4Nyy4iE8FgjQTjAXGROwzk=",
       "dev": true,
       "requires": {
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@@ -8126,7 +8160,7 @@
     "miller-rabin": {
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       "resolved": "https://registry.npmjs.org/miller-rabin/-/miller-rabin-4.0.1.tgz",
-      "integrity": "sha512-115fLhvZVqWwHPbClyntxEVfVDfl9DLLTuJvq3g2O/Oxi8AiNouAHvDSzHS0viUJc+V5vm3eq91Xwqn9dp4jRA==",
+      "integrity": "sha1-8IA1HIZbDcViqEYpZtqlNUPHik0=",
       "dev": true,
       "requires": {
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@@ -8169,7 +8203,7 @@
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       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
@@ -8421,7 +8455,7 @@
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       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
-      "integrity": "sha512-9jjUFbTPfEy3R/ad/2oNbKtW9Hgovl5O1FvFWKkKblNXoN/Oou6+9+KKohPK13Yc3/TyunyWhJp6gvRNR/PPAw==",
+      "integrity": "sha1-EvlaMH1YNSB1oEkHuErIvpisAS8=",
       "dev": true,
       "requires": {
         "hosted-git-info": "^2.1.4",
@@ -9707,6 +9741,15 @@
         }
       }
     },
+    "rechoir": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
+      "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
+      "dev": true,
+      "requires": {
+        "resolve": "^1.1.6"
+      }
+    },
     "redent": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/redent/-/redent-2.0.0.tgz",
@@ -9720,7 +9763,7 @@
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       "resolved": "https://registry.npmjs.org/regex-cache/-/regex-cache-0.4.4.tgz",
-      "integrity": "sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ==",
+      "integrity": "sha1-db3FiioUls7EihKDW8VMjVYjNt0=",
       "dev": true,
       "requires": {
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@@ -10590,7 +10633,7 @@
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       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+      "integrity": "sha1-LtgVDSShbqhlHm1u8PR8QVjOejY=",
       "dev": true,
       "requires": {
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@@ -10599,7 +10642,7 @@
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           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
-          "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+          "integrity": "sha1-wZyd+aAocC1nhhI4SmVSQExjbRU=",
           "dev": true,
           "requires": {
             "fs.realpath": "^1.0.0",
@@ -10926,12 +10969,34 @@
         "jsonify": "~0.0.0"
       }
     },
+    "shelljs": {
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.3.tgz",
+      "integrity": "sha512-fc0BKlAWiLpwZljmOvAOTE/gXawtCoNrP5oaY7KIaQbbyHeQVg01pSEuEGvGh3HEdBU4baCD7wQBwADmM/7f7A==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.0.0",
+        "interpret": "^1.0.0",
+        "rechoir": "^0.6.2"
+      }
+    },
     "shellsubstitute": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shellsubstitute/-/shellsubstitute-1.2.0.tgz",
       "integrity": "sha1-5PcCpQxRiw9v6YRRiQ1wWvKba3A=",
       "dev": true
     },
+    "shx": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/shx/-/shx-0.3.2.tgz",
+      "integrity": "sha512-aS0mWtW3T2sHAenrSrip2XGv39O9dXIFUqxAEWHEOS1ePtGIBavdPJY1kE2IHl14V/4iCbUiNDPGdyYTtmhSoA==",
+      "dev": true,
+      "requires": {
+        "es6-object-assign": "^1.0.3",
+        "minimist": "^1.2.0",
+        "shelljs": "^0.8.1"
+      }
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -13275,7 +13340,7 @@
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       "resolved": "https://registry.npmjs.org/walk-sync/-/walk-sync-0.3.2.tgz",
-      "integrity": "sha512-FMB5VqpLqOCcqrzA9okZFc0wq0Qbmdm396qJxvQZhDpyu0W95G9JCmp74tx7iyYnyOcBtUuKJsgIKAqjozvmmQ==",
+      "integrity": "sha1-SCcoCvxC0OA1NnxKTjHurA0Tb3U=",
       "dev": true,
       "requires": {
         "ensure-posix-path": "^1.0.0",
@@ -13311,7 +13376,7 @@
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       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "integrity": "sha1-/wS9/AEO5UfXgL7DjhrBwnd9JTo=",
       "dev": true,
       "requires": {
         "isexe": "^2.0.0"
diff --git a/package.json b/package.json
index 8518f428dfd..ed9f3559c51 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "request": "^2.88.0",
     "semver": "^5.6.0",
     "serve": "^6.5.8",
+    "shx": "^0.3.2",
     "standard-markdown": "^5.0.0",
     "sumchecker": "^2.0.2",
     "temp": "^0.8.3",
@@ -62,7 +63,7 @@
     "lint:js-in-markdown": "standard-markdown docs",
     "create-api-json": "electron-docs-linter docs --outfile=electron-api.json",
     "create-typescript-definitions": "npm run create-api-json && electron-typescript-definitions --in=electron-api.json --out=electron.d.ts && node spec/ts-smoke/runner.js",
-    "gn-typescript-definitions": "npm run create-typescript-definitions && cp electron.d.ts",
+    "gn-typescript-definitions": "npm run create-typescript-definitions && shx cp electron.d.ts",
     "pre-flight": "pre-flight",
     "preinstall": "node -e 'process.exit(0)'",
     "precommit": "lint-staged",