(fix #249) remove extra spaces in element children

Author: rmorshea

idom/client/app/core_modules/layout.js

@@ -114,7 +114,7 @@ function elementChildren(sendEvent, model) {
     return model.children.map((child) => {
       switch (typeof child) {
         case "object":
-          return html` <${Element} model=${child} sendEvent=${sendEvent} /> `;
+          return html`<${Element} model=${child} sendEvent=${sendEvent} />`;
         case "string":
           return child;
       }

tests/test_core/test_element.py

@@ -48,3 +48,23 @@ def Hello():
     display(Hello)
 
     assert driver.find_element_by_id("hello")
+
+
+def test_pre_tags_are_rendered_correctly(driver, display):
+    @idom.element
+    def PreFormated():
+        return idom.html.pre(
+            {"id": "pre-form-test"},
+            idom.html.span("this", idom.html.span("is"), "some"),
+            "pre-formated",
+            " text",
+        )
+
+    display(PreFormated)
+
+    pre = driver.find_element_by_id("pre-form-test")
+
+    assert (
+        pre.get_attribute("innerHTML")
+        == "<span>this<span>is</span>some</span>pre-formated text"
+    )