Patches ListBlock & StructBlock __init__ to avoid using js_initializer.

wagtail_react_streamfield/blocks/list_block.py

@@ -1,12 +1,23 @@
 from django.core.exceptions import ValidationError
 from django.forms.utils import ErrorList
 from django.utils.translation import ugettext_lazy as _
-from wagtail.core.blocks import ListBlock
+from wagtail.core.blocks import ListBlock, Block
 
 from ..exceptions import RemovedError
 
 
 class NewListBlock(ListBlock):
+    def __init__(self, child_block, **kwargs):
+        Block.__init__(self, **kwargs)
+
+        self.child_block = (child_block() if isinstance(child_block, type)
+                            else child_block)
+
+        if not hasattr(self.meta, 'default'):
+            self.meta.default = [self.child_block.get_default()]
+
+        self.dependencies = [self.child_block]
+
     def get_definition(self):
         definition = super(ListBlock, self).get_definition()
         definition.update(

wagtail_react_streamfield/blocks/struct_block.py

@@ -1,9 +1,22 @@
-from wagtail.core.blocks import BaseStructBlock
+from wagtail.core.blocks import BaseStructBlock, Block
 
 from ..exceptions import RemovedError
 
 
 class NewBaseStructBlock(BaseStructBlock):
+    def __init__(self, local_blocks=None, **kwargs):
+        self._constructor_kwargs = kwargs
+
+        Block.__init__(self, **kwargs)
+
+        self.child_blocks = self.base_blocks.copy()
+        if local_blocks:
+            for name, block in local_blocks:
+                block.set_name(name)
+                self.child_blocks[name] = block
+
+        self.dependencies = self.child_blocks.values()
+
     def get_definition(self):
         definition = super(BaseStructBlock, self).get_definition()
         definition.update(

wagtail_react_streamfield/monkey_patch.py

@@ -50,7 +50,7 @@ def inner(self, block=None, **kwargs):
 
 def _patch_list_block():
     _patch_with(ListBlock, NewListBlock,
-                'get_definition', 'render_list_member',
+                '__init__', 'get_definition', 'render_list_member',
                 'html_declarations', 'js_initializer', 'render_form',
                 'value_from_datadict', 'value_omitted_from_data', 'clean')
     ListBlock._meta_class.min_num = None
@@ -68,7 +68,7 @@ def patch():
                 'value_from_datadict', 'value_omitted_from_data')
     _patch_list_block()
     _patch_with(BaseStructBlock, NewBaseStructBlock,
-                'get_definition',
+                '__init__', 'get_definition',
                 'js_initializer', 'get_form_context', 'render_form',
                 'value_from_datadict', 'value_omitted_from_data')
     _patch_with(FieldBlock, NewFieldBlock,