diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 0616882..081b695 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -3,7 +3,7 @@
 The following has been addressed in the PR:
 
 * [ ] There is a related issue
-* [ ] All code matches the [style guide](https://github.com/dojo/meta/blob/master/STYLE.md)
+* [ ] All code has been formatted with [`prettier`](https://prettier.io/) as per the [readme code style guidelines](./../#code-style)<Paste>
 * [ ] Unit or Functional tests are included in the PR
 
 <!--
diff --git a/README.md b/README.md
index 7965e28..140ec25 100644
--- a/README.md
+++ b/README.md
@@ -191,7 +191,17 @@ static features.
 ## How do I contribute?
 
 We appreciate your interest!  Please see the [Dojo 2 Meta Repository](https://github.com/dojo/meta#readme) for the
-Contributing Guidelines and Style Guide.
+Contributing Guidelines.
+
+### Code Style
+
+This repository uses [`prettier`](https://prettier.io/) for code styling rules and formatting. A pre-commit hook is installed automatically and configured to run `prettier` against all staged files as per the configuration in the projects `package.json`.
+
+An additional npm script to run `prettier` (with write set to `true`) against all `src` and `test` project files is available by running:
+
+```bash
+npm run prettier
+```
 
 ## Installation
 
diff --git a/package-lock.json b/package-lock.json
index 6405eff..9e0fe01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
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       "dev": true,
       "requires": {
-        "@types/yargs": "8.0.2"
+        "@types/yargs": "8.0.3"
       }
     },
     "@dojo/loader": {
@@ -39,7 +39,7 @@
       "requires": {
         "intersection-observer": "0.4.3",
         "pepjs": "0.4.3",
-        "tslib": "1.8.0"
+        "tslib": "1.8.1"
       }
     },
     "@theintern/digdug": {
@@ -54,7 +54,7 @@
         "@dojo/shim": "0.2.3",
         "decompress": "4.2.0",
         "semver": "5.4.1",
-        "tslib": "1.8.0"
+        "tslib": "1.8.1"
       }
     },
     "@theintern/leadfoot": {
@@ -69,7 +69,7 @@
         "@dojo/shim": "0.2.3",
         "@types/jszip": "0.0.33",
         "jszip": "3.1.5",
-        "tslib": "1.8.0"
+        "tslib": "1.8.1"
       }
     },
     "@types/babel-types": {
@@ -91,13 +91,13 @@
       "dev": true,
       "requires": {
         "@types/express": "4.0.39",
-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
       }
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     "@types/chai": {
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-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.0.8.tgz",
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+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.0.10.tgz",
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       "dev": true
     },
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@@ -106,7 +106,7 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
       }
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@@ -138,7 +138,7 @@
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       "dev": true,
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-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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@@ -147,17 +147,18 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.33.tgz",
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+      "version": "5.0.34",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.34.tgz",
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       "dev": true,
       "requires": {
-        "@types/minimatch": "3.0.1",
-        "@types/node": "8.0.54"
+        "@types/events": "1.1.0",
+        "@types/minimatch": "3.0.2",
+        "@types/node": "8.5.1"
       }
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@@ -166,7 +167,7 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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@@ -246,9 +247,9 @@
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-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.87.tgz",
-      "integrity": "sha512-AqRC+aEF4N0LuNHtcjKtvF9OTfqZI0iaBoe3dA6m/W+/YZJBZjBmW/QIZ8fBeXC6cnytSY9tBoFBqZ9uSCeVsw==",
+      "version": "4.14.91",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.91.tgz",
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@@ -270,19 +271,16 @@
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-      "dev": true,
-      "requires": {
-        "@types/events": "1.1.0"
-      }
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.5.1.tgz",
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+      "dev": true
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@@ -296,7 +294,7 @@
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       "dev": true,
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-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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@@ -321,7 +319,7 @@
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       "dev": true,
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-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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@@ -348,13 +346,13 @@
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       "dev": true,
       "requires": {
-        "@types/node": "8.0.54"
+        "@types/node": "8.5.1"
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-      "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-8.0.2.tgz",
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@@ -434,6 +432,21 @@
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       }
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+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
+      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
+      "dev": true
+    },
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+      "dev": true,
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@@ -446,6 +459,18 @@
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+      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
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@@ -462,6 +487,12 @@
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@@ -594,7 +625,7 @@
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@@ -658,14 +689,14 @@
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-        "core-js": "2.5.1",
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+        "core-js": "2.5.3",
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@@ -1010,15 +1041,15 @@
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@@ -1103,6 +1134,12 @@
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+      "dev": true
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@@ -1589,6 +1718,12 @@
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+    "date-fns": {
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@@ -1693,6 +1828,12 @@
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     "resumer": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/resumer/-/resumer-0.0.0.tgz",
@@ -6456,6 +7198,23 @@
       "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=",
       "dev": true
     },
+    "rxjs": {
+      "version": "5.5.5",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-5.5.5.tgz",
+      "integrity": "sha512-D/MfQnPMBk8P8gfwGxvCkuaWBcG58W7dUMT//URPoYzIbDEKT0GezdirkK5whMgKFBATfCoTpxO8bJQGJ04W5A==",
+      "dev": true,
+      "requires": {
+        "symbol-observable": "1.0.1"
+      },
+      "dependencies": {
+        "symbol-observable": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
+          "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ=",
+          "dev": true
+        }
+      }
+    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -6652,6 +7411,12 @@
         "util": "0.10.3"
       }
     },
+    "slice-ansi": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-0.0.4.tgz",
+      "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=",
+      "dev": true
+    },
     "slide": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/slide/-/slide-1.1.6.tgz",
@@ -6725,6 +7490,12 @@
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
+    "staged-git-files": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/staged-git-files/-/staged-git-files-0.0.4.tgz",
+      "integrity": "sha1-15fhtVHKemOd7AI33G60u5vhfTU=",
+      "dev": true
+    },
     "statuses": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
@@ -6740,6 +7511,15 @@
         "duplexer": "0.1.1"
       }
     },
+    "stream-to-observable": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/stream-to-observable/-/stream-to-observable-0.2.0.tgz",
+      "integrity": "sha1-WdbqOT2HwsDdrBCqDVYbxrpvDhA=",
+      "dev": true,
+      "requires": {
+        "any-observable": "0.2.0"
+      }
+    },
     "strict-uri-encode": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -6791,6 +7571,17 @@
       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
       "dev": true
     },
+    "stringify-object": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/stringify-object/-/stringify-object-3.2.1.tgz",
+      "integrity": "sha512-jPcQYw/52HUPP8uOE4kkjxl5bB9LfHkKCTptIk3qw7ozP5XMIMlHMLjt00GGSwW6DJAf/njY5EU6Vpwl4LlBKQ==",
+      "dev": true,
+      "requires": {
+        "get-own-enumerable-property-symbols": "2.0.1",
+        "is-obj": "1.0.1",
+        "is-regexp": "1.0.0"
+      }
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
@@ -6879,6 +7670,12 @@
         }
       }
     },
+    "symbol-observable": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-0.2.4.tgz",
+      "integrity": "sha1-lag9smGG1q9+ehjb2XYKL4bQj0A=",
+      "dev": true
+    },
     "tape": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/tape/-/tape-2.3.0.tgz",
@@ -7139,28 +7936,56 @@
       "dev": true
     },
     "tslib": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.8.0.tgz",
-      "integrity": "sha512-ymKWWZJST0/CkgduC2qkzjMOWr4bouhuURNXCn/inEX0L57BnRG6FhX76o7FOnsjHazCjfU2LKeSrlS2sIKQJg==",
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.8.1.tgz",
+      "integrity": "sha1-aUavLR1lGnsYY7Ux1uWvpBqkTqw=",
       "dev": true
     },
     "tslint": {
-      "version": "4.5.1",
-      "resolved": "https://registry.npmjs.org/tslint/-/tslint-4.5.1.tgz",
-      "integrity": "sha1-BTVocb7yOkNJBnNABvwYgza6gks=",
+      "version": "5.8.0",
+      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.8.0.tgz",
+      "integrity": "sha1-H0mtWy53x2w69N3K5VKuTjYS6xM=",
       "dev": true,
       "requires": {
         "babel-code-frame": "6.26.0",
-        "colors": "1.1.2",
+        "builtin-modules": "1.1.1",
+        "chalk": "2.3.0",
+        "commander": "2.12.2",
         "diff": "3.4.0",
-        "findup-sync": "0.3.0",
         "glob": "7.1.2",
-        "optimist": "0.6.1",
-        "resolve": "1.1.7",
-        "tsutils": "1.9.1",
-        "update-notifier": "2.3.0"
+        "minimatch": "3.0.4",
+        "resolve": "1.5.0",
+        "semver": "5.4.1",
+        "tslib": "1.8.1",
+        "tsutils": "2.13.1"
       },
       "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
+          "integrity": "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
+          "dev": true,
+          "requires": {
+            "color-convert": "1.9.1"
+          }
+        },
+        "chalk": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.0.tgz",
+          "integrity": "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "3.2.0",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "4.5.0"
+          }
+        },
+        "commander": {
+          "version": "2.12.2",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.12.2.tgz",
+          "integrity": "sha512-BFnaq5ZOGcDN7FlrtBT4xxkgIToalIIxwjxLWVJ8bGTpe1LroqMiqQXdA7ygc7CRvaYS+9zfPGFnJqFSayx+AA==",
+          "dev": true
+        },
         "diff": {
           "version": "3.4.0",
           "resolved": "https://registry.npmjs.org/diff/-/diff-3.4.0.tgz",
@@ -7180,9 +8005,52 @@
             "once": "1.4.0",
             "path-is-absolute": "1.0.1"
           }
+        },
+        "has-flag": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "dev": true
+        },
+        "resolve": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.5.0.tgz",
+          "integrity": "sha512-hgoSGrc3pjzAPHNBg+KnFcK2HwlHTs/YrAGUr6qgTVUZmXv1UEXXl0bZNBKMA9fud6lRYFdPGz0xXxycPzmmiw==",
+          "dev": true,
+          "requires": {
+            "path-parse": "1.0.5"
+          }
+        },
+        "supports-color": {
+          "version": "4.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
+          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
+        },
+        "tsutils": {
+          "version": "2.13.1",
+          "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.13.1.tgz",
+          "integrity": "sha512-XMOEvc2TiYesVSOJMI7OYPnBMSgcvERuGW5Li/J+2A0TuH607BPQnOLQ82oSPZCssB8c9+QGi6qhTBa/f1xQRA==",
+          "dev": true,
+          "requires": {
+            "tslib": "1.8.1"
+          }
         }
       }
     },
+    "tslint-plugin-prettier": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/tslint-plugin-prettier/-/tslint-plugin-prettier-1.3.0.tgz",
+      "integrity": "sha512-6UqeeV6EABp0RdQkW6eC1vwnAXcKMGJgPeJ5soXiKdSm2vv7c3dp+835CM8pjgx9l4uSa7tICm1Kli+SMsADDg==",
+      "dev": true,
+      "requires": {
+        "eslint-plugin-prettier": "2.4.0",
+        "tslib": "1.8.1"
+      }
+    },
     "tsutils": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-1.9.1.tgz",
@@ -8417,7 +9285,7 @@
         "@types/fs-extra": "0.0.33",
         "@types/handlebars": "4.0.36",
         "@types/highlight.js": "9.12.2",
-        "@types/lodash": "4.14.87",
+        "@types/lodash": "4.14.91",
         "@types/marked": "0.0.28",
         "@types/minimatch": "2.0.29",
         "@types/shelljs": "0.3.33",
diff --git a/package.json b/package.json
index ad1bfcc..94fff59 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,24 @@
     "url": "https://github.com/dojo/has.git"
   },
   "scripts": {
+    "precommit": "lint-staged",
+    "prettier": "prettier --write 'src/**/*.ts' 'tests/**/*.ts'",
     "test": "grunt test"
   },
+  "lint-staged": {
+    "*.{ts,tsx}": [
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "prettier": {
+    "singleQuote": true,
+    "tabWidth": 4,
+    "useTabs": true,
+    "parser": "typescript",
+    "printWidth": 120,
+    "arrowParens": "always"
+  },
   "devDependencies": {
     "@dojo/loader": "~0.1.0",
     "@types/glob": "~5.0.0",
@@ -26,8 +42,14 @@
     "@types/sinon": "~1.16.0",
     "grunt": "~1.0.1",
     "grunt-dojo2": "latest",
+    "grunt-tslint": "5.0.1",
+    "husky": "0.14.3",
     "intern": "~4.1.0",
+    "lint-staged": "6.0.0",
+    "prettier": "1.9.2",
     "sinon": "^1.17.4",
+    "tslint": "5.8.0",
+    "tslint-plugin-prettier": "1.3.0",
     "typescript": "~2.6.1"
   }
 }
diff --git a/src/has.ts b/src/has.ts
index 4857bec..0e5da0a 100644
--- a/src/has.ts
+++ b/src/has.ts
@@ -33,7 +33,7 @@ export const testFunctions: { [feature: string]: FeatureTest } = {};
 const testThenables: { [feature: string]: FeatureTestThenable } = {};
 
 export interface StaticHasFeatures {
-	[ feature: string ]: FeatureTestResult;
+	[feature: string]: FeatureTestResult;
 }
 
 export interface DojoHasEnvironment {
@@ -57,17 +57,15 @@ declare global {
 /**
  * A reference to the global scope (`window` in a browser, `global` in NodeJS)
  */
-const globalScope = (function (): any {
+const globalScope = (function(): any {
 	/* istanbul ignore else */
 	if (typeof window !== 'undefined') {
 		// Browsers
 		return window;
-	}
-	else if (typeof global !== 'undefined') {
+	} else if (typeof global !== 'undefined') {
 		// Node
 		return global;
-	}
-	else if (typeof self !== 'undefined') {
+	} else if (typeof self !== 'undefined') {
 		// Web workers
 		return self;
 	}
@@ -98,9 +96,7 @@ function isStaticFeatureFunction(value: any): value is (() => StaticHasFeatures)
  * module loaded
  */
 const staticCache: StaticHasFeatures = staticFeatures
-	? isStaticFeatureFunction(staticFeatures)
-		? staticFeatures.apply(globalScope)
-		: staticFeatures
+	? isStaticFeatureFunction(staticFeatures) ? staticFeatures.apply(globalScope) : staticFeatures
 	: {}; /* Providing an empty cache, if none was in the environment
 
 /**
@@ -114,7 +110,7 @@ const staticCache: StaticHasFeatures = staticFeatures
  * @param load Callback to loader that consumes result of plugin demand.
  */
 export function load(resourceId: string, require: Require, load: (value?: any) => void, config?: Config): void {
-	resourceId ? require([ resourceId ], load) : load();
+	resourceId ? require([resourceId], load) : load();
 }
 
 /**
@@ -135,15 +131,13 @@ export function normalize(resourceId: string, normalize: (moduleId: string) => s
 		if (term === ':') {
 			// empty string module name, resolves to null
 			return null;
-		}
-		else {
+		} else {
 			// postfixed with a ? means it is a feature to branch on, the term is the name of the feature
 			if (tokens[i++] === '?') {
 				if (!skip && has(term)) {
 					// matched the feature, get the first value from the options
 					return get();
-				}
-				else {
+				} else {
 					// did not match, get the second value, passing over the first
 					get(true);
 					return get(skip);
@@ -167,7 +161,9 @@ export function normalize(resourceId: string, normalize: (moduleId: string) => s
 export function exists(feature: string): boolean {
 	const normalizedFeature = feature.toLowerCase();
 
-	return Boolean(normalizedFeature in staticCache || normalizedFeature in testCache || testFunctions[normalizedFeature]);
+	return Boolean(
+		normalizedFeature in staticCache || normalizedFeature in testCache || testFunctions[normalizedFeature]
+	);
 }
 
 /**
@@ -185,7 +181,11 @@ export function exists(feature: string): boolean {
  * @param value the value reported of the feature, or a function that will be executed once on first test
  * @param overwrite if an existing value should be overwritten. Defaults to false.
  */
-export function add(feature: string, value: FeatureTest | FeatureTestResult | FeatureTestThenable, overwrite: boolean = false): void {
+export function add(
+	feature: string,
+	value: FeatureTest | FeatureTestResult | FeatureTestThenable,
+	overwrite: boolean = false
+): void {
 	const normalizedFeature = feature.toLowerCase();
 
 	if (exists(normalizedFeature) && !overwrite && !(normalizedFeature in staticCache)) {
@@ -194,16 +194,17 @@ export function add(feature: string, value: FeatureTest | FeatureTestResult | Fe
 
 	if (typeof value === 'function') {
 		testFunctions[normalizedFeature] = value;
-	}
-	else if (isFeatureTestThenable(value)) {
-		testThenables[ feature ] = value.then((resolvedValue: FeatureTestResult) => {
-			testCache [ feature ] = resolvedValue;
-			delete testThenables [ feature ];
-		}, () => {
-			delete testThenables [ feature ];
-		});
-	}
-	else {
+	} else if (isFeatureTestThenable(value)) {
+		testThenables[feature] = value.then(
+			(resolvedValue: FeatureTestResult) => {
+				testCache[feature] = resolvedValue;
+				delete testThenables[feature];
+			},
+			() => {
+				delete testThenables[feature];
+			}
+		);
+	} else {
 		testCache[normalizedFeature] = value;
 		delete testFunctions[normalizedFeature];
 	}
@@ -221,18 +222,14 @@ export default function has(feature: string): FeatureTestResult {
 
 	if (normalizedFeature in staticCache) {
 		result = staticCache[normalizedFeature];
-	}
-	else if (testFunctions[normalizedFeature]) {
+	} else if (testFunctions[normalizedFeature]) {
 		result = testCache[normalizedFeature] = testFunctions[normalizedFeature].call(null);
 		delete testFunctions[normalizedFeature];
-	}
-	else if (normalizedFeature in testCache) {
+	} else if (normalizedFeature in testCache) {
 		result = testCache[normalizedFeature];
-	}
-	else if (feature in testThenables) {
+	} else if (feature in testThenables) {
 		return false;
-	}
-	else {
+	} else {
 		throw new TypeError(`Attempt to detect unregistered has feature "${feature}"`);
 	}
 
@@ -252,7 +249,7 @@ add('debug', true);
 add('host-browser', typeof document !== 'undefined' && typeof location !== 'undefined');
 
 /* Detects if the environment appears to be NodeJS */
-add('host-node', function () {
+add('host-node', function() {
 	if (typeof process === 'object' && process.versions && process.versions.node) {
 		return process.versions.node;
 	}
diff --git a/src/loader.ts b/src/loader.ts
index 710e908..e1ab8b7 100644
--- a/src/loader.ts
+++ b/src/loader.ts
@@ -2,20 +2,20 @@ export interface Config {
 	baseUrl?: string;
 	map?: ModuleMap;
 	packages?: Package[];
-	paths?: { [ path: string ]: string; };
-	pkgs?: { [ path: string ]: Package; };
+	paths?: { [path: string]: string };
+	pkgs?: { [path: string]: Package };
 }
 
 export interface ModuleMap extends ModuleMapItem {
-	[ sourceMid: string ]: ModuleMapReplacement;
+	[sourceMid: string]: ModuleMapReplacement;
 }
 
 export interface ModuleMapItem {
-	[ mid: string ]: any;
+	[mid: string]: any;
 }
 
 export interface ModuleMapReplacement extends ModuleMapItem {
-	[ findMid: string ]: string;
+	[findMid: string]: string;
 }
 
 export interface Package {
@@ -34,8 +34,12 @@ export interface Require {
 
 export interface Has {
 	(name: string): any;
-	add(name: string, value: (global: Window, document?: HTMLDocument, element?: HTMLDivElement) => any,
-		now?: boolean, force?: boolean): void;
+	add(
+		name: string,
+		value: (global: Window, document?: HTMLDocument, element?: HTMLDivElement) => any,
+		now?: boolean,
+		force?: boolean
+	): void;
 	add(name: string, value: any, now?: boolean, force?: boolean): void;
 }
 
diff --git a/tests/support/util.ts b/tests/support/util.ts
index e5cc4b7..b9c5364 100644
--- a/tests/support/util.ts
+++ b/tests/support/util.ts
@@ -6,11 +6,14 @@ export interface Thenable<T> {
 }
 
 export function isEventuallyRejected<T>(promise: Thenable<T>): Thenable<boolean> {
-	return promise.then<any>(function () {
-		throw new Error('unexpected code path');
-	}, function () {
-		return true; // expect rejection
-	});
+	return promise.then<any>(
+		function() {
+			throw new Error('unexpected code path');
+		},
+		function() {
+			return true; // expect rejection
+		}
+	);
 }
 
 export function throwImmediatly() {
diff --git a/tests/unit/has.ts b/tests/unit/has.ts
index 2b9d4b7..ad043e6 100644
--- a/tests/unit/has.ts
+++ b/tests/unit/has.ts
@@ -11,17 +11,15 @@ import has, {
 	load as hasLoad
 } from '../../src/has';
 
-const globalScope: any = (function (): any {
+const globalScope: any = (function(): any {
 	/* istanbul ignore else */
 	if (typeof window !== 'undefined') {
 		// Browsers
 		return window;
-	}
-	else if (typeof global !== 'undefined') {
+	} else if (typeof global !== 'undefined') {
 		// Node
 		return global;
-	}
-	else if (typeof self !== 'undefined') {
+	} else if (typeof self !== 'undefined') {
 		// Web workers
 		return self;
 	}
@@ -29,29 +27,29 @@ const globalScope: any = (function (): any {
 	return {};
 })();
 
-let alreadyCached: { [ feature: string ]: boolean };
-let alreadyTest: { [ feature: string ]: boolean };
-const feature = 'feature';  // default feature name for lazy devs
+let alreadyCached: { [feature: string]: boolean };
+let alreadyTest: { [feature: string]: boolean };
+const feature = 'feature'; // default feature name for lazy devs
 
 const normalize: (id: string) => string = (require as any).toAbsMid || ((id: string) => id);
-const undef: (id: string) => void = has('host-node') ?
-	(id: string) => {
-		const path = require('path');
-		delete require.cache[path.resolve(__dirname, id) + '.js'];
-	} :
-	(id: string) => {
-		(require as any).undef((require as any).toAbsMid(id));
-	};
+const undef: (id: string) => void = has('host-node')
+	? (id: string) => {
+			const path = require('path');
+			delete require.cache[path.resolve(__dirname, id) + '.js'];
+		}
+	: (id: string) => {
+			(require as any).undef((require as any).toAbsMid(id));
+		};
 
 registerSuite('has', {
 	before() {
 		alreadyCached = {};
-		Object.keys(hasCache).forEach(function (key) {
+		Object.keys(hasCache).forEach(function(key) {
 			alreadyCached[key] = true;
 		});
 
 		alreadyTest = {};
-		Object.keys(hasTestFunctions).forEach(function (key) {
+		Object.keys(hasTestFunctions).forEach(function(key) {
 			alreadyTest[key] = true;
 		});
 	},
@@ -78,13 +76,17 @@ registerSuite('has', {
 				assert.isFalse(hasCache['def']);
 
 				delete hasCache['abc'];
-				assert.throws(() => {
-					has('abc');
-				}, TypeError, 'Attempt to detect unregistered has feature');
+				assert.throws(
+					() => {
+						has('abc');
+					},
+					TypeError,
+					'Attempt to detect unregistered has feature'
+				);
 			},
 
 			'deferred feature test should not populate cache until evaluated'() {
-				hasAdd('deferred-cache', function () {
+				hasAdd('deferred-cache', function() {
 					return true;
 				});
 				assert.notProperty(hasCache, 'deferred-cache');
@@ -122,18 +124,20 @@ registerSuite('has', {
 				let answer = 42;
 
 				hasAdd('answer', answer);
-				assert.strictEqual(has('answer'), answer,
-					'has feature should report original uncoerced value');
+				assert.strictEqual(has('answer'), answer, 'has feature should report original uncoerced value');
 
-				hasAdd('answer-function', function () {
+				hasAdd('answer-function', function() {
 					return answer;
 				});
-				assert.strictEqual(has('answer-function'), answer,
-					'deferred has feature test should report uncoerced value');
+				assert.strictEqual(
+					has('answer-function'),
+					answer,
+					'deferred has feature test should report uncoerced value'
+				);
 			},
 
 			'null test should not throw'() {
-				assert.doesNotThrow(function () {
+				assert.doesNotThrow(function() {
 					hasAdd('baz', null as any);
 				}, TypeError);
 			},
@@ -145,9 +149,13 @@ registerSuite('has', {
 
 			'feature is already defined; throws'() {
 				hasAdd(feature, true);
-				assert.throws(() => {
-					hasAdd(feature, false);
-				}, TypeError, 'exists and overwrite not true');
+				assert.throws(
+					() => {
+						hasAdd(feature, false);
+					},
+					TypeError,
+					'exists and overwrite not true'
+				);
 			},
 
 			'works with thenable'() {
@@ -166,9 +174,12 @@ registerSuite('has', {
 				hasAdd('thenable', thenable);
 				assert.isFalse(has('thenable'));
 
-				setTimeout(dfd.callback(() => {
-					assert.equal(has('thenable'), 5);
-				}), 100);
+				setTimeout(
+					dfd.callback(() => {
+						assert.equal(has('thenable'), 5);
+					}),
+					100
+				);
 			},
 
 			'failed thenable removes itself from cache'() {
@@ -187,11 +198,14 @@ registerSuite('has', {
 				hasAdd('thenable', thenable);
 				assert.isFalse(has('thenable'));
 
-				setTimeout(dfd.callback(() => {
-					assert.throws(() => {
-						has('thenable');
-					});
-				}), 100);
+				setTimeout(
+					dfd.callback(() => {
+						assert.throws(() => {
+							has('thenable');
+						});
+					}),
+					100
+				);
 			},
 
 			overwrite: {
@@ -261,9 +275,12 @@ registerSuite('has', {
 				hasAdd('thenable', thenable);
 				assert.isFalse(hasExists('thenable'));
 
-				setTimeout(dfd.callback(() => {
-					assert.isTrue(hasExists('thenable'));
-				}), 100);
+				setTimeout(
+					dfd.callback(() => {
+						assert.isTrue(hasExists('thenable'));
+					}),
+					100
+				);
 			},
 
 			'case should not matter'() {
@@ -361,17 +378,23 @@ registerSuite('has', {
 		},
 
 		'built in feature flags': {
-			'debug'() {
+			debug() {
 				assert.isTrue(hasExists('debug'));
 				assert.isTrue(has('debug'), 'Debug should default to true');
 			},
 			'host-browser'() {
 				assert.isTrue(hasExists('host-browser'));
-				assert.strictEqual(has('host-browser'), typeof document !== 'undefined' && typeof location !== 'undefined');
+				assert.strictEqual(
+					has('host-browser'),
+					typeof document !== 'undefined' && typeof location !== 'undefined'
+				);
 			},
 			'host-node'() {
 				assert.isTrue(hasExists('host-node'));
-				assert.strictEqual(has('host-node'), (typeof process === 'object' && process.versions && process.versions.node) || undefined);
+				assert.strictEqual(
+					has('host-node'),
+					(typeof process === 'object' && process.versions && process.versions.node) || undefined
+				);
 			}
 		},
 
@@ -381,40 +404,44 @@ registerSuite('has', {
 				undef('../../src/has');
 				globalScope.DojoHasEnvironment = {
 					staticFeatures: {
-						'foo': 1,
-						'bar': 'bar',
-						'baz': false
+						foo: 1,
+						bar: 'bar',
+						baz: false
 					}
 				};
 				// tslint:disable-next-line
-				import('../../src/has').then(dfd.callback((mod: { default: typeof has }) => {
-					const h = mod.default;
-					assert(!('DojoHasEnvironment' in globalScope));
-					assert.strictEqual(h('foo'), 1);
-					assert.strictEqual(h('bar'), 'bar');
-					assert.isFalse(h('baz'));
-				}));
+				import('../../src/has').then(
+					dfd.callback((mod: { default: typeof has }) => {
+						const h = mod.default;
+						assert(!('DojoHasEnvironment' in globalScope));
+						assert.strictEqual(h('foo'), 1);
+						assert.strictEqual(h('bar'), 'bar');
+						assert.isFalse(h('baz'));
+					})
+				);
 			},
 			'staticFeatures function'() {
 				const dfd = this.async();
 				undef('../../src/has');
 				globalScope.DojoHasEnvironment = {
-					staticFeatures: function () {
+					staticFeatures: function() {
 						return {
-							'foo': 1,
-							'bar': 'bar',
-							'baz': false
+							foo: 1,
+							bar: 'bar',
+							baz: false
 						};
 					}
 				};
 				// tslint:disable-next-line
-				import('../../src/has').then(dfd.callback((mod: { default: typeof has }) => {
-					const h = mod.default;
-					assert(!('DojoHasEnvironment' in globalScope));
-					assert.strictEqual(h('foo'), 1);
-					assert.strictEqual(h('bar'), 'bar');
-					assert.isFalse(h('baz'));
-				}));
+				import('../../src/has').then(
+					dfd.callback((mod: { default: typeof has }) => {
+						const h = mod.default;
+						assert(!('DojoHasEnvironment' in globalScope));
+						assert.strictEqual(h('foo'), 1);
+						assert.strictEqual(h('bar'), 'bar');
+						assert.isFalse(h('baz'));
+					})
+				);
 			},
 			'can override run-time defined features'() {
 				const dfd = this.async();
@@ -425,13 +452,15 @@ registerSuite('has', {
 					}
 				};
 				// tslint:disable-next-line
-				import('../../src/has').then(dfd.callback((mod: { default: typeof has, add: typeof hasAdd }) => {
-					const h = mod.default;
-					const hAdd = mod.add;
-					assert.isFalse(h('debug'), 'Static features override "add()"');
-					hAdd('debug', true, true);
-					assert.isFalse(h('debug'), 'Static features cannot be overwritten');
-				}));
+				import('../../src/has').then(
+					dfd.callback((mod: { default: typeof has; add: typeof hasAdd }) => {
+						const h = mod.default;
+						const hAdd = mod.add;
+						assert.isFalse(h('debug'), 'Static features override "add()"');
+						hAdd('debug', true, true);
+						assert.isFalse(h('debug'), 'Static features cannot be overwritten');
+					})
+				);
 			}
 		}
 	}
diff --git a/tsconfig.json b/tsconfig.json
index 726b28b..c4c1600 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,6 +11,7 @@
 		],
 		"module": "umd",
 		"moduleResolution": "node",
+		"noUnusedLocals": true,
 		"outDir": "_build/",
 		"removeComments": false,
 		"sourceMap": true,
diff --git a/tslint.json b/tslint.json
index 855e134..1019fb0 100644
--- a/tslint.json
+++ b/tslint.json
@@ -1,5 +1,7 @@
 {
+	"rulesDirectory": ["tslint-plugin-prettier"],
 	"rules": {
+		"prettier": true,
 		"align": false,
 		"ban": [],
 		"class-name": true,
@@ -30,15 +32,12 @@
 		"no-switch-case-fall-through": false,
 		"no-trailing-whitespace": true,
 		"no-unused-expression": false,
-		"no-unused-variable": true,
 		"no-use-before-declare": false,
 		"no-var-keyword": true,
 		"no-var-requires": false,
 		"object-literal-sort-keys": false,
 		"one-line": [ true, "check-open-brace", "check-whitespace" ],
-		"quotemark": [ true, "single" ],
 		"radix": true,
-		"semicolon": [ true, "always" ],
 		"trailing-comma": [ true, {
 			"multiline": "never",
 			"singleline": "never"
@@ -58,8 +57,6 @@
 			"property-declaration": "onespace",
 			"variable-declaration": "onespace"
 		} ],
-		"use-strict": false,
-		"variable-name": [ true, "check-format", "allow-leading-underscore", "ban-keywords" ],
-		"whitespace": [ true, "check-branch", "check-decl", "check-operator", "check-module", "check-separator", "check-type", "check-typecast" ]
+		"variable-name": [ true, "check-format", "allow-leading-underscore", "ban-keywords" ]
 	}
 }