upgrade snowpack to max possible

there is a regression in snowpack builds
FredKSchott/snowpack#1756

Author: rmorshea

idom/client/app/package-lock.json

@@ -12,12 +12,12 @@
     "core_modules/*.js"
   ],
   "scripts": {
-    "build": "npx snowpack build",
+    "build": "npx snowpack && npx snowpack build",
     "format": "npx prettier --write ./core_modules"
   },
   "devDependencies": {
     "prettier": "2.1.1",
-    "snowpack": "2.8.0"
+    "snowpack": "2.12.1"
   },
   "dependencies": {
     "fast-json-patch": "^3.0.0-1",

idom/client/app/package.json

@@ -90,6 +90,8 @@ def build(config_items: Iterable[ConfigItem] = ()) -> None:
 
         shutil.copytree(temp_build_dir, BUILD_DIR, symlinks=True)
 
+        print(BUILD_DIR.exists())
+
     config.save()
 
 

idom/client/manage.py

@@ -16,16 +16,16 @@ def open_modifiable_json(path: Path) -> Iterator[Any]:
         json.dump(data, f)
 
 
-_JS_MODULE_EXPORT_PATTERN = re.compile(r";export{([0-9a-zA-Z_$\ ,]*)};")
-_JS_VARIABLE = r"[a-zA-Z_$][0-9a-zA-Z_$]*"
-_JS_MODULE_EXPORT_NAME_PATTERN = re.compile(f";export ({_JS_VARIABLE}) {_JS_VARIABLE};")
+_JS_MODULE_EXPORT_PATTERN = re.compile(r";?export *{([0-9a-zA-Z_$\ ,]*)} *;")
+_JS_VAR = r"[a-zA-Z_$][0-9a-zA-Z_$]*"
+_JS_MODULE_EXPORT_NAME_PATTERN = re.compile(f";?export *({_JS_VAR}) +{_JS_VAR} *;")
 
 
 def find_js_module_exports_in_source(content: str) -> List[str]:
     names: List[str] = []
     for match in _JS_MODULE_EXPORT_PATTERN.findall(content):
         for export in match.split(","):
             export_parts = export.split(" as ", 1)
-            names.append(export_parts[1].strip())
+            names.append(export_parts[-1].strip())
     names.extend(_JS_MODULE_EXPORT_NAME_PATTERN.findall(content))
     return names

idom/client/utils.py

@@ -214,17 +214,17 @@ def TestElement():
     client_r_1_button.click()
 
     driver_wait.until(lambda d: event_count.current == 1)
-    assert render_count.current == 1
+    driver_wait.until(lambda d: render_count.current == 1)
 
     client_r_2_button.click()
 
     driver_wait.until(lambda d: event_count.current == 2)
-    assert render_count.current == 2
+    driver_wait.until(lambda d: render_count.current == 2)
 
     client_r_2_button.click()
 
     driver_wait.until(lambda d: event_count.current == 3)
-    assert render_count.current == 2
+    driver_wait.until(lambda d: render_count.current == 2)
 
 
 def test_simple_input_with_use_state(driver, display):