diff --git a/package.json b/package.json
index 09d5e711..40998c0c 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,8 @@
     "rollup-plugin-visualizer": "^0.3.1",
     "sinon": "^4.1",
     "standard": "^10.0.3",
+    "tslint": "5.9.1",
+    "tslib": "1.9.0",
     "typescript": "^2.6.2"
   },
   "workspaces": [
diff --git a/packages/node_modules b/packages/node_modules
deleted file mode 120000
index 945c9b46..00000000
--- a/packages/node_modules
+++ /dev/null
@@ -1 +0,0 @@
-.
\ No newline at end of file
diff --git a/packages/tko.utils/package.json b/packages/tko.utils/package.json
index 3055fa0b..5f98e772 100644
--- a/packages/tko.utils/package.json
+++ b/packages/tko.utils/package.json
@@ -27,7 +27,8 @@
     ]
   },
   "dependencies": {
-    "tslib": "^1.8.0"
+    "@types/jquery": "3.3.1",
+    "tslib": "1.9.0"
   },
   "__about__shared.package.json": "These properties are copied into all packages/*/package.json",
   "standard": {
diff --git a/packages/tko.utils/src/array.js b/packages/tko.utils/src/array.ts
similarity index 100%
rename from packages/tko.utils/src/array.js
rename to packages/tko.utils/src/array.ts
diff --git a/packages/tko.utils/src/async.js b/packages/tko.utils/src/async.ts
similarity index 100%
rename from packages/tko.utils/src/async.js
rename to packages/tko.utils/src/async.ts
diff --git a/packages/tko.utils/src/bind-shim.js b/packages/tko.utils/src/bind-shim.ts
similarity index 100%
rename from packages/tko.utils/src/bind-shim.js
rename to packages/tko.utils/src/bind-shim.ts
diff --git a/packages/tko.utils/src/css.js b/packages/tko.utils/src/css.ts
similarity index 100%
rename from packages/tko.utils/src/css.js
rename to packages/tko.utils/src/css.ts
diff --git a/packages/tko.utils/src/dom/data.js b/packages/tko.utils/src/dom/data.ts
similarity index 100%
rename from packages/tko.utils/src/dom/data.js
rename to packages/tko.utils/src/dom/data.ts
diff --git a/packages/tko.utils/src/dom/disposal.js b/packages/tko.utils/src/dom/disposal.ts
similarity index 100%
rename from packages/tko.utils/src/dom/disposal.js
rename to packages/tko.utils/src/dom/disposal.ts
diff --git a/packages/tko.utils/src/dom/event.js b/packages/tko.utils/src/dom/event.ts
similarity index 100%
rename from packages/tko.utils/src/dom/event.js
rename to packages/tko.utils/src/dom/event.ts
diff --git a/packages/tko.utils/src/dom/fixes.js b/packages/tko.utils/src/dom/fixes.ts
similarity index 100%
rename from packages/tko.utils/src/dom/fixes.js
rename to packages/tko.utils/src/dom/fixes.ts
diff --git a/packages/tko.utils/src/dom/html.js b/packages/tko.utils/src/dom/html.ts
similarity index 100%
rename from packages/tko.utils/src/dom/html.js
rename to packages/tko.utils/src/dom/html.ts
diff --git a/packages/tko.utils/src/dom/info.js b/packages/tko.utils/src/dom/info.ts
similarity index 100%
rename from packages/tko.utils/src/dom/info.js
rename to packages/tko.utils/src/dom/info.ts
diff --git a/packages/tko.utils/src/dom/manipulation.js b/packages/tko.utils/src/dom/manipulation.ts
similarity index 100%
rename from packages/tko.utils/src/dom/manipulation.js
rename to packages/tko.utils/src/dom/manipulation.ts
diff --git a/packages/tko.utils/src/dom/selectExtensions.js b/packages/tko.utils/src/dom/selectExtensions.ts
similarity index 100%
rename from packages/tko.utils/src/dom/selectExtensions.js
rename to packages/tko.utils/src/dom/selectExtensions.ts
diff --git a/packages/tko.utils/src/dom/virtualElements.js b/packages/tko.utils/src/dom/virtualElements.ts
similarity index 100%
rename from packages/tko.utils/src/dom/virtualElements.js
rename to packages/tko.utils/src/dom/virtualElements.ts
diff --git a/packages/tko.utils/src/error.js b/packages/tko.utils/src/error.ts
similarity index 100%
rename from packages/tko.utils/src/error.js
rename to packages/tko.utils/src/error.ts
diff --git a/packages/tko.utils/src/function.js b/packages/tko.utils/src/function.ts
similarity index 100%
rename from packages/tko.utils/src/function.js
rename to packages/tko.utils/src/function.ts
diff --git a/packages/tko.utils/src/ie.js b/packages/tko.utils/src/ie.ts
similarity index 100%
rename from packages/tko.utils/src/ie.js
rename to packages/tko.utils/src/ie.ts
diff --git a/packages/tko.utils/src/index.js b/packages/tko.utils/src/index.ts
similarity index 100%
rename from packages/tko.utils/src/index.js
rename to packages/tko.utils/src/index.ts
diff --git a/packages/tko.utils/src/jquery.js b/packages/tko.utils/src/jquery.ts
similarity index 100%
rename from packages/tko.utils/src/jquery.js
rename to packages/tko.utils/src/jquery.ts
diff --git a/packages/tko.utils/src/memoization.js b/packages/tko.utils/src/memoization.ts
similarity index 100%
rename from packages/tko.utils/src/memoization.js
rename to packages/tko.utils/src/memoization.ts
diff --git a/packages/tko.utils/src/object.js b/packages/tko.utils/src/object.ts
similarity index 100%
rename from packages/tko.utils/src/object.js
rename to packages/tko.utils/src/object.ts
diff --git a/packages/tko.utils/src/options.js b/packages/tko.utils/src/options.ts
similarity index 100%
rename from packages/tko.utils/src/options.js
rename to packages/tko.utils/src/options.ts
diff --git a/packages/tko.utils/src/proto.js b/packages/tko.utils/src/proto.ts
similarity index 100%
rename from packages/tko.utils/src/proto.js
rename to packages/tko.utils/src/proto.ts
diff --git a/packages/tko.utils/src/string.js b/packages/tko.utils/src/string.ts
similarity index 100%
rename from packages/tko.utils/src/string.js
rename to packages/tko.utils/src/string.ts
diff --git a/packages/tko.utils/src/symbol.js b/packages/tko.utils/src/symbol.ts
similarity index 100%
rename from packages/tko.utils/src/symbol.js
rename to packages/tko.utils/src/symbol.ts
diff --git a/packages/tko.utils/src/tasks.js b/packages/tko.utils/src/tasks.ts
similarity index 100%
rename from packages/tko.utils/src/tasks.js
rename to packages/tko.utils/src/tasks.ts
diff --git a/tsconfig.json b/tsconfig.json
index ab16a324..e1b7c65d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,8 +2,10 @@
   "compileOnSave": false,
   "compilerOptions": {
     "downlevelIteration": true,
-    "target": "ES3",
+    "target": "ES5",
+    "lib": [ "dom", "es5", "es2015.core", "es2015.collection", "es2015.promise", "es2015.symbol", "es2015.symbol.wellknown", "scripthost" ],
     "module": "ES2015",
+    "moduleResolution": "node",
     "allowJs": true,
     "importHelpers": true,
     "strict": true
diff --git a/tslint.json b/tslint.json
new file mode 100644
index 00000000..406fd033
--- /dev/null
+++ b/tslint.json
@@ -0,0 +1,46 @@
+{
+    "defaultSeverity": "error",
+    "extends": [
+        "tslint:recommended"
+    ],
+    "jsRules": {},
+    "rules": {
+        "arrow-parens": [true, "ban-single-arg-parens"],
+        "quotemark": [true, "single","avoid-template", "avoid-escape"],
+        "object-literal-sort-keys": false,
+        "ordered-imports": [
+            true,
+            {
+                "import-sources-order": "any",
+                "named-imports-order": "any"
+            }
+        ],
+        "member-ordering": false,
+        "max-classes-per-file": [true, 6],
+        "max-line-length": [true, 250],
+        "no-conditional-assignment": false,
+        "no-empty": false,
+        "one-variable-per-declaration": false,
+        "no-console": false,
+        "no-shadowed-variable": false,
+        "trailing-comma": false,
+        "typedef-whitespace": [
+            true,
+            {
+                "call-signature": "nospace",
+                "index-signature": "nospace",
+                "parameter": "nospace",
+                "property-declaration": "nospace",
+                "variable-declaration": "nospace"
+            },
+            {
+                "call-signature": "onespace",
+                "index-signature": "onespace",
+                "parameter": "onespace",
+                "property-declaration": "onespace",
+                "variable-declaration": "onespace"
+            }
+        ]
+    },
+    "rulesDirectory": []
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 8dc9782f..9d9b7609 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6,6 +6,10 @@
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@comandeer/babel-plugin-banner/-/babel-plugin-banner-1.0.0.tgz#40bcce0bbee084b5b02545a33635d053c248356f"
 
+"@types/jquery@3.3.1":
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-3.3.1.tgz#55758d44d422756d6329cbf54e6d41931d7ba28f"
+
 "@types/node@^7.0.18":
   version "7.0.46"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.46.tgz#c3dedd25558c676b3d6303e51799abb9c3f8f314"
@@ -119,6 +123,12 @@ ansi-styles@^3.1.0:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  dependencies:
+    color-convert "^1.9.0"
+
 anymatch@^1.3.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
@@ -275,7 +285,7 @@ aws4@^1.2.1, aws4@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-babel-code-frame@^6.16.0, babel-code-frame@^6.26.0:
+babel-code-frame@^6.16.0, babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
@@ -771,6 +781,14 @@ chalk@^2.0.0, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
+chalk@^2.3.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.0.tgz#a060a297a6b57e15b61ca63ce84995daa0fe6e52"
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 check-error@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
@@ -890,6 +908,10 @@ commander@2.11.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
 
+commander@^2.12.1:
+  version "2.15.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+
 commander@^2.9.0:
   version "2.12.2"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.12.2.tgz#0f5946c427ed9ec0d91a46bb9def53e54650e555"
@@ -1324,6 +1346,10 @@ diff@^3.1.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
 
+diff@^3.2.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
+
 doctrine@1.5.0, doctrine@^1.2.2:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -2204,6 +2230,10 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -2636,6 +2666,13 @@ js-yaml@^3.5.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^3.7.0:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
@@ -3906,6 +3943,12 @@ resolve@^1.1.6, resolve@^1.1.7, resolve@^1.4.0:
   dependencies:
     path-parse "^1.0.5"
 
+resolve@^1.3.2:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
+  dependencies:
+    path-parse "^1.0.5"
+
 restore-cursor@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
@@ -4406,6 +4449,12 @@ supports-color@^4.0.0, supports-color@^4.4.0:
   dependencies:
     has-flag "^2.0.0"
 
+supports-color@^5.3.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
+  dependencies:
+    has-flag "^3.0.0"
+
 table@^3.7.8:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
@@ -4553,10 +4602,37 @@ tryit@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
 
+tslib@1.9.0, tslib@^1.8.1:
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
+
 tslib@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.0.tgz#dc604ebad64bcbf696d613da6c954aa0e7ea1eb6"
 
+tslint@5.9.1:
+  version "5.9.1"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.9.1.tgz#1255f87a3ff57eb0b0e1f0e610a8b4748046c9ae"
+  dependencies:
+    babel-code-frame "^6.22.0"
+    builtin-modules "^1.1.1"
+    chalk "^2.3.0"
+    commander "^2.12.1"
+    diff "^3.2.0"
+    glob "^7.1.1"
+    js-yaml "^3.7.0"
+    minimatch "^3.0.4"
+    resolve "^1.3.2"
+    semver "^5.3.0"
+    tslib "^1.8.0"
+    tsutils "^2.12.1"
+
+tsutils@^2.12.1:
+  version "2.26.1"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.26.1.tgz#9e4a0cb9ff173863f34c22a961969081270d1878"
+  dependencies:
+    tslib "^1.8.1"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"