diff --git a/createAst.js b/createAst.js
index a1ebcf4..5f19326 100644
--- a/createAst.js
+++ b/createAst.js
@@ -6,9 +6,13 @@ import moo from 'moo';
 import tokens from './tokens.js';
 import { readFileSync } from 'fs';
 import debug from 'debug';
-const log = debug('vogue:ast');
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
 import minify from './minify.js';
-const grammarFile = 'grammar.ne';
+
+const log = debug('vogue:ast');
+const grammarFile = resolve(fileURLToPath(dirname(import.meta.url)), 'grammar.ne');
+log('grammarFile:', grammarFile);
 
 function createParser() {
 	// Parse the grammar source into an AST
diff --git a/package.json b/package.json
index b1e6dd0..4f9dd4f 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
   "scripts": {
     "c": "nearleyc",
     "test": "node run.js test",
-    "debug": "cross-env DEBUG=vogue:* node run.js test"
+    "debug": "cross-env DEBUG=vogue:* yarn test",
+    "postinstall": "cd test && yarn"
   },
   "dependencies": {
     "cross-env": "^7.0.3",
@@ -19,7 +20,6 @@
     "moo": "^0.5.1",
     "nearley": "^2.20.1",
     "nedb": "^1.8.0",
-    "terminal-kit": "^2.1.0",
     "uglify-js": "^3.13.5",
     "yarn": "^1.22.10"
   }
diff --git a/test/package.json b/test/package.json
new file mode 100644
index 0000000..6e3d535
--- /dev/null
+++ b/test/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "test",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "terminal-kit": "^2.1.2"
+  }
+}
diff --git a/test/yarn.lock b/test/yarn.lock
new file mode 100644
index 0000000..e71fafd
--- /dev/null
+++ b/test/yarn.lock
@@ -0,0 +1,171 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@cronvel/get-pixels@^3.4.0":
+  "integrity" "sha512-do5jDoX9oCR/dGHE4POVQ3PYDCmQ2Fow4CA72UL4WoE8zUImA/0lChczjfl+ucNjE4sXFWUnzoO6j4WzrUvLnw=="
+  "resolved" "https://registry.npmjs.org/@cronvel/get-pixels/-/get-pixels-3.4.0.tgz"
+  "version" "3.4.0"
+  dependencies:
+    "jpeg-js" "^0.4.1"
+    "ndarray" "^1.0.19"
+    "ndarray-pack" "^1.1.1"
+    "node-bitmap" "0.0.1"
+    "omggif" "^1.0.10"
+    "pngjs" "^5.0.0"
+
+"chroma-js@^2.1.1":
+  "integrity" "sha512-gYc5/Dooshun2OikK7oY/hYnoEiZ0dxqRpXosEdYRYm505vU5mRsHFqIW062C9nMtr32DVErP6mlxuepo2kNkw=="
+  "resolved" "https://registry.npmjs.org/chroma-js/-/chroma-js-2.1.1.tgz"
+  "version" "2.1.1"
+  dependencies:
+    "cross-env" "^6.0.3"
+
+"cross-env@^6.0.3":
+  "integrity" "sha512-+KqxF6LCvfhWvADcDPqo64yVIB31gv/jQulX2NGzKS/g3GEVz6/pt4wjHFtFWsHMddebWD/sDthJemzM4MaAag=="
+  "resolved" "https://registry.npmjs.org/cross-env/-/cross-env-6.0.3.tgz"
+  "version" "6.0.3"
+  dependencies:
+    "cross-spawn" "^7.0.0"
+
+"cross-spawn@^7.0.0":
+  "integrity" "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w=="
+  "resolved" "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz"
+  "version" "7.0.3"
+  dependencies:
+    "path-key" "^3.1.0"
+    "shebang-command" "^2.0.0"
+    "which" "^2.0.1"
+
+"cwise-compiler@^1.1.2":
+  "integrity" "sha1-9NZnQQ6FDToxOn0tt7HlBbsDTMU="
+  "resolved" "https://registry.npmjs.org/cwise-compiler/-/cwise-compiler-1.1.3.tgz"
+  "version" "1.1.3"
+  dependencies:
+    "uniq" "^1.0.0"
+
+"iota-array@^1.0.0":
+  "integrity" "sha1-ge9X/l0FgUzVjCSDYyqZwwoOgIc="
+  "resolved" "https://registry.npmjs.org/iota-array/-/iota-array-1.0.0.tgz"
+  "version" "1.0.0"
+
+"is-buffer@^1.0.2":
+  "integrity" "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+  "resolved" "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz"
+  "version" "1.1.6"
+
+"isexe@^2.0.0":
+  "integrity" "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
+  "resolved" "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz"
+  "version" "2.0.0"
+
+"jpeg-js@^0.4.1":
+  "integrity" "sha512-ru1HWKek8octvUHFHvE5ZzQ1yAsJmIvRdGWvSoKV52XKyuyYA437QWDttXT8eZXDSbuMpHlLzPDZUPd6idIz+Q=="
+  "resolved" "https://registry.npmjs.org/jpeg-js/-/jpeg-js-0.4.3.tgz"
+  "version" "0.4.3"
+
+"lazyness@^1.2.0":
+  "integrity" "sha512-KenL6EFbwxBwRxG93t0gcUyi0Nw0Ub31FJKN1laA4UscdkL1K1AxUd0gYZdcLU3v+x+wcFi4uQKS5hL+fk500g=="
+  "resolved" "https://registry.npmjs.org/lazyness/-/lazyness-1.2.0.tgz"
+  "version" "1.2.0"
+
+"ndarray-pack@^1.1.1":
+  "integrity" "sha1-jK6+qqJNXs9w/4YCBjeXfajuWFo="
+  "resolved" "https://registry.npmjs.org/ndarray-pack/-/ndarray-pack-1.2.1.tgz"
+  "version" "1.2.1"
+  dependencies:
+    "cwise-compiler" "^1.1.2"
+    "ndarray" "^1.0.13"
+
+"ndarray@^1.0.13", "ndarray@^1.0.19":
+  "integrity" "sha512-B4JHA4vdyZU30ELBw3g7/p9bZupyew5a7tX1Y/gGeF2hafrPaQZhgrGQfsvgfYbgdFZjYwuEcnaobeM/WMW+HQ=="
+  "resolved" "https://registry.npmjs.org/ndarray/-/ndarray-1.0.19.tgz"
+  "version" "1.0.19"
+  dependencies:
+    "iota-array" "^1.0.0"
+    "is-buffer" "^1.0.2"
+
+"nextgen-events@^1.3.4":
+  "integrity" "sha512-umMRD9VOvQ7+AeCvMETA7tekqrzG0xOX2HLrpyZRuW+4NlXR5baZwY/CP7Sq3x1BkKCIa1KnI1m2+Fs+fJpOiQ=="
+  "resolved" "https://registry.npmjs.org/nextgen-events/-/nextgen-events-1.3.4.tgz"
+  "version" "1.3.4"
+
+"node-bitmap@0.0.1":
+  "integrity" "sha1-GA6scAPgxwdhjvMTaPYvhLKmkJE="
+  "resolved" "https://registry.npmjs.org/node-bitmap/-/node-bitmap-0.0.1.tgz"
+  "version" "0.0.1"
+
+"omggif@^1.0.10":
+  "integrity" "sha512-LMJTtvgc/nugXj0Vcrrs68Mn2D1r0zf630VNtqtpI1FEO7e+O9FP4gqs9AcnBaSEeoHIPm28u6qgPR0oyEpGSw=="
+  "resolved" "https://registry.npmjs.org/omggif/-/omggif-1.0.10.tgz"
+  "version" "1.0.10"
+
+"path-key@^3.1.0":
+  "integrity" "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q=="
+  "resolved" "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz"
+  "version" "3.1.1"
+
+"pngjs@^5.0.0":
+  "integrity" "sha512-40QW5YalBNfQo5yRYmiw7Yz6TKKVr3h6970B2YE+3fQpsWcrbj1PzJgxeJ19DRQjhMbKPIuMY8rFaXc8moolVw=="
+  "resolved" "https://registry.npmjs.org/pngjs/-/pngjs-5.0.0.tgz"
+  "version" "5.0.0"
+
+"setimmediate@^1.0.5":
+  "integrity" "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
+  "resolved" "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz"
+  "version" "1.0.5"
+
+"seventh@^0.7.40":
+  "integrity" "sha512-7sxUydQx4iEh17uJUFjZDAwbffJirldZaNIJvVB/hk9mPEL3J4GpLGSL+mHFH2ydkye46DAsLGqzFJ+/Qj5foQ=="
+  "resolved" "https://registry.npmjs.org/seventh/-/seventh-0.7.40.tgz"
+  "version" "0.7.40"
+  dependencies:
+    "setimmediate" "^1.0.5"
+
+"shebang-command@^2.0.0":
+  "integrity" "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA=="
+  "resolved" "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz"
+  "version" "2.0.0"
+  dependencies:
+    "shebang-regex" "^3.0.0"
+
+"shebang-regex@^3.0.0":
+  "integrity" "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A=="
+  "resolved" "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz"
+  "version" "3.0.0"
+
+"string-kit@^0.12.5":
+  "integrity" "sha512-aB7yK0RgOx3SElEfQ6lZu2xS5hWr4ToJispiy+djJ4yh3f2zaTMCm44ZrHZnN1RiQQCLfpa5Btz2bishyBm8IQ=="
+  "resolved" "https://registry.npmjs.org/string-kit/-/string-kit-0.12.5.tgz"
+  "version" "0.12.5"
+
+"terminal-kit@^2.1.2":
+  "integrity" "sha512-1eG7CrQfE1dd5ZHPG5WrTk/DTeskFPqSLEl+QYmvwvI41dRCN2j1qVyxA4FwE0/x24AbjhSA3FJSIgWqQD610Q=="
+  "resolved" "https://registry.npmjs.org/terminal-kit/-/terminal-kit-2.1.2.tgz"
+  "version" "2.1.2"
+  dependencies:
+    "@cronvel/get-pixels" "^3.4.0"
+    "chroma-js" "^2.1.1"
+    "lazyness" "^1.2.0"
+    "ndarray" "^1.0.19"
+    "nextgen-events" "^1.3.4"
+    "seventh" "^0.7.40"
+    "string-kit" "^0.12.5"
+    "tree-kit" "^0.7.0"
+
+"tree-kit@^0.7.0":
+  "integrity" "sha512-MAqFo2oJJ39zmxq3xETx0nMAgZw2z6pnJPjIAehEcrDaeePDhBBTshAlyhCDtezMDTIu1Av+vGE501xN3Sh8VA=="
+  "resolved" "https://registry.npmjs.org/tree-kit/-/tree-kit-0.7.0.tgz"
+  "version" "0.7.0"
+
+"uniq@^1.0.0":
+  "integrity" "sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8="
+  "resolved" "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz"
+  "version" "1.0.1"
+
+"which@^2.0.1":
+  "integrity" "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA=="
+  "resolved" "https://registry.npmjs.org/which/-/which-2.0.2.tgz"
+  "version" "2.0.2"
+  dependencies:
+    "isexe" "^2.0.0"
diff --git a/yarn.lock b/yarn.lock
index cfdb2b5..9c2a0bd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,17 +2,6 @@
 # yarn lockfile v1
 
 
-"@cronvel/get-pixels@^3.4.0":
-  version "3.4.0"
-  resolved "https://registry.npmjs.org/@cronvel/get-pixels/-/get-pixels-3.4.0.tgz"
-  dependencies:
-    jpeg-js "^0.4.1"
-    ndarray "^1.0.19"
-    ndarray-pack "^1.1.1"
-    node-bitmap "0.0.1"
-    omggif "^1.0.10"
-    pngjs "^5.0.0"
-
 async@0.2.10:
   version "0.2.10"
   resolved "https://registry.npmjs.org/async/-/async-0.2.10.tgz"
@@ -23,29 +12,17 @@ binary-search-tree@0.2.5:
   dependencies:
     underscore "~1.4.4"
 
-chroma-js@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.npmjs.org/chroma-js/-/chroma-js-2.1.1.tgz"
-  dependencies:
-    cross-env "^6.0.3"
-
 commander@^2.19.0:
   version "2.20.3"
   resolved "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz"
 
-cross-env@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.npmjs.org/cross-env/-/cross-env-6.0.3.tgz"
-  dependencies:
-    cross-spawn "^7.0.0"
-
 cross-env@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
   dependencies:
     cross-spawn "^7.0.1"
 
-cross-spawn@^7.0.0, cross-spawn@^7.0.1:
+cross-spawn@^7.0.1:
   version "7.0.3"
   resolved "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz"
   dependencies:
@@ -53,12 +30,6 @@ cross-spawn@^7.0.0, cross-spawn@^7.0.1:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-cwise-compiler@^1.1.2:
-  version "1.1.3"
-  resolved "https://registry.npmjs.org/cwise-compiler/-/cwise-compiler-1.1.3.tgz"
-  dependencies:
-    uniq "^1.0.0"
-
 debug@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
@@ -73,26 +44,10 @@ immediate@~3.0.5:
   version "3.0.6"
   resolved "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz"
 
-iota-array@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/iota-array/-/iota-array-1.0.0.tgz"
-
-is-buffer@^1.0.2:
-  version "1.1.6"
-  resolved "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz"
-
 isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz"
 
-jpeg-js@^0.4.1:
-  version "0.4.3"
-  resolved "https://registry.npmjs.org/jpeg-js/-/jpeg-js-0.4.3.tgz"
-
-lazyness@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.npmjs.org/lazyness/-/lazyness-1.2.0.tgz"
-
 lie@3.1.1:
   version "3.1.1"
   resolved "https://registry.npmjs.org/lie/-/lie-3.1.1.tgz"
@@ -127,20 +82,6 @@ ms@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
 
-ndarray-pack@^1.1.1:
-  version "1.2.1"
-  resolved "https://registry.npmjs.org/ndarray-pack/-/ndarray-pack-1.2.1.tgz"
-  dependencies:
-    cwise-compiler "^1.1.2"
-    ndarray "^1.0.13"
-
-ndarray@^1.0.13, ndarray@^1.0.19:
-  version "1.0.19"
-  resolved "https://registry.npmjs.org/ndarray/-/ndarray-1.0.19.tgz"
-  dependencies:
-    iota-array "^1.0.0"
-    is-buffer "^1.0.2"
-
 nearley@^2.20.1:
   version "2.20.1"
   resolved "https://registry.npmjs.org/nearley/-/nearley-2.20.1.tgz"
@@ -160,26 +101,10 @@ nedb@^1.8.0:
     mkdirp "~0.5.1"
     underscore "~1.4.4"
 
-nextgen-events@^1.3.4:
-  version "1.3.4"
-  resolved "https://registry.npmjs.org/nextgen-events/-/nextgen-events-1.3.4.tgz"
-
-node-bitmap@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.npmjs.org/node-bitmap/-/node-bitmap-0.0.1.tgz"
-
-omggif@^1.0.10:
-  version "1.0.10"
-  resolved "https://registry.npmjs.org/omggif/-/omggif-1.0.10.tgz"
-
 path-key@^3.1.0:
   version "3.1.1"
   resolved "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz"
 
-pngjs@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.npmjs.org/pngjs/-/pngjs-5.0.0.tgz"
-
 railroad-diagrams@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/railroad-diagrams/-/railroad-diagrams-1.0.0.tgz"
@@ -195,16 +120,6 @@ ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz"
 
-setimmediate@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz"
-
-seventh@^0.7.40:
-  version "0.7.40"
-  resolved "https://registry.npmjs.org/seventh/-/seventh-0.7.40.tgz"
-  dependencies:
-    setimmediate "^1.0.5"
-
 shebang-command@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz"
@@ -215,27 +130,6 @@ shebang-regex@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz"
 
-string-kit@^0.12.0:
-  version "0.12.5"
-  resolved "https://registry.npmjs.org/string-kit/-/string-kit-0.12.5.tgz"
-
-terminal-kit@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.npmjs.org/terminal-kit/-/terminal-kit-2.1.0.tgz"
-  dependencies:
-    "@cronvel/get-pixels" "^3.4.0"
-    chroma-js "^2.1.0"
-    lazyness "^1.2.0"
-    ndarray "^1.0.19"
-    nextgen-events "^1.3.4"
-    seventh "^0.7.40"
-    string-kit "^0.12.0"
-    tree-kit "^0.7.0"
-
-tree-kit@^0.7.0:
-  version "0.7.0"
-  resolved "https://registry.npmjs.org/tree-kit/-/tree-kit-0.7.0.tgz"
-
 uglify-js@^3.13.5:
   version "3.13.5"
   resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.5.tgz"
@@ -244,10 +138,6 @@ underscore@~1.4.4:
   version "1.4.4"
   resolved "https://registry.npmjs.org/underscore/-/underscore-1.4.4.tgz"
 
-uniq@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz"
-
 which@^2.0.1:
   version "2.0.2"
   resolved "https://registry.npmjs.org/which/-/which-2.0.2.tgz"