Typescript conversion (#1828)

* initial typescript conversion

* test: update overflow+transform ref test

* fix: correctly render pseudo element content

* fix: testrunner build

* fix: karma test urls

* test: update underline tests with <u> elements

* test: update to es6-promise polyfill

* test: remove watch from server

* test: remove flow

* format: update prettier for typescript

* test: update eslint to use typescript parser

* test: update linear gradient reftest

* test: update test runner

* test: update testrunner promise polyfill

* fix: handle display: -webkit-flex correctly (fix #1817)

* fix: correctly render gradients with clip & repeat (fix #1773)

* fix: webkit-gradient function support

* fix: implement radial gradients

* fix: text-decoration rendering

* fix: missing scroll positions for elements

* ci: fix ios 11 tests

* fix: ie logging

* ci: improve device availability logging

* fix: lint errors

* ci: update to ios 12

* fix: check for console availability

* ci: fix build dependency

* test: update text reftests

* fix: window reference for unit tests

* feat: add hsl/hsla color support

* fix: render options

* fix: CSSKeyframesRule cssText Permission Denied on Internet Explorer 11 (#1830)

* fix: option lint

* fix: list type rendering

* test: fix platform import

* fix: ie css parsing for numbers

* ci: add minified build

* fix: form element rendering

* fix: iframe rendering

* fix: re-introduce experimental foreignobject renderer

* fix: text-shadow rendering

* feat: improve logging

* fix: unit test logging

* fix: cleanup resources

* test: update overflow scrolling to work with ie

* build: update build to include typings

* fix: do not parse select element children

* test: fix onclone test to work with older IEs

* test: reduce reftest canvas sizes

* test: remove dynamic setUp from list tests

* test: update linear-gradient tests

* build: remove old source files

* build: update docs dependencies

* build: fix typescript definition path

* ci: include test.js on docs website

tests/reftests/overflow/overflow-transform.html

@@ -40,6 +40,29 @@
                 line-height: 17px;
                 font-size: 1em;
             }
+
+
+            #app {
+                background-color: lightcoral;
+                width: 300px;
+                color: #333;
+                margin-top: 20px;
+            }
+
+            #box {
+                background-color: lightgreen;
+                width: 200px;
+                height: 200px;
+                overflow: hidden;
+            }
+
+            .content {
+                background-color: lightskyblue;
+                width: 150px;
+                height: 150px;
+                transform: translate(100px, 0);
+            }
+
         </style>
 
     </head>
@@ -51,5 +74,16 @@
         <div class="img-2"></div>
     </div>
 
+
+    <div id="app">
+        This is app
+        <div id="box">
+            This is box, overflow hidden
+            <div class="content">
+                This is content
+            </div>
+        </div>
+    </div>
+
     </body>
 </html>

tests/reftests/overflow/overflow.html

@@ -115,7 +115,13 @@
 
     </div>
     <script>
-        document.querySelector('#scroll').scrollTo(0, 200);
+        try {
+            document.querySelector('#scroll').scrollTo(0, 200);
+        } catch(e) {
+            // internet explorer
+            document.querySelector('#scroll').scrollTop = 200;
+        }
+
     </script>
 </div>
 </body>