Changelog

v0.27.0

• Many-to-many fields on a Django model are now supported

• Multiple partial targets

All changes since 0.26.0.

v0.26.0

• Completely redesigned and much improved support for Django models and QuerySets.

• Fix the startunicorn command and add some ascii art.

All changes since 0.25.0.

v0.25.0

• Support calling functions in JavaScript modules.

• Fix: use unicorn:db without a unicorn:model in the same element.

All changes since 0.24.0.

v0.24.0

• Support custom CSRF headers set with CSRF_HEADER_NAME setting.

All changes since 0.23.0.

v0.23.0

• Performance enhancement that returns a 304 HTTP status code when an action happens, but the content doesn’t change.

• Add unicorn:ignore attribute to prevent an element from being morphed (useful when using Unicorn with libraries like Select2 that change the DOM).

• Add support for passing arguments to Unicorn.call.

• Bug fix when attempting to cache component views that utilize the db_model decorator.

All changes since 0.22.0.

v0.22.0

• Use Django cache for storing component state when available

• Add support for Django 2.2.x

All changes since 0.21.2.

v0.21.2

• Add backported dataclasses for Python 3.6. (@frbor)

All changes since 0.21.0.

v0.21.0

• Bug fix: Prevent disabled polls from firing at all.

• Support Decimal field type.

• Support dataclass field type.

• Use type hints to cast fields to primitive Python types if possible.

All changes since 0.20.0.

v0.20.0

• Add ability to exclude component view properties from JavaScript to reduce the amount of data initially rendered to the page with javascript_exclude.

• Add complete, rendered, parent_rendered component hooks.

• Call JavaScript functions from a component view’s method.

All changes since 0.19.0.

v0.19.0

• Re-implemented how action method parsing is done to remove all edge cases when passing arguments to component view methods. (@frbor).

• Add support for passing kwargs to component view methods.

All changes since 0.18.1.

v0.18.1

• Fix regression where component kwargs were getting lost (#140, #141)

• Fix startunicorn management command (#142)

All changes since 0.18.0.

v0.18.0

• Only send updated data back in the response to reduce network latency.

• Experimental support for queuing up requests to alleviate race conditions when functions take a long time to process.

• Use type hints on component view attributes if needed.

• Bug fix: prevent race condition where an instantiated component class would be inadvertently re-used for component views that are slow to render

• Bug fix: use the correct component name to call a component method from “outside” the component.

• Deprecated: DJANGO_UNICORN setting has been renamed to UNICORN.

All changes since 0.17.2.

v0.17.2

• Don’t send the parent context in the response for child components that specify a partial update.

• Add support for element models to specify a partial update.

• Add support for polls to specify a partial update.

• Handle date, time, timespan when passed as arguments from JavaScript.

• Render child component template’s JavaScript initialization with the parent’s as opposed to inserting a new script tag after the child component is rendered.

• Bug fix: prevent an error when rendering a Django model with a date-related field, but a string value.

All changes since 0.17.1.

v0.17.1

• Remove stray print statement.

• Fix bug where child components would sometimes lose their action events.

All changes since 0.17.0.

v0.17.0

• Target DOM changes from an action to only a portion of the DOM with partial updates.

All changes since 0.16.1.

v0.16.1

• Remove debounce from action methods to reduce any perceived lag.

All changes since 0.16.0.

v0.16.0

• Dirty states for when there is a change that hasn’t been synced yet.

• Add support for setting multiple classes for loading states.

• Attempt to handle when the component gets out of sync with an invalid checksum error.

• Performance tweaks when there isn’t a change to a model or dbModel with lazy or defer modifiers.

All changes since 0.15.1.

v0.15.1

• Fix bug where a component name has a dash in its name

All changes since 0.15.1.

v0.15.0

• Add support for child components

• Add discard action modifier

• Add support for referring to components in a folder structure

• Remove restriction that component templates must start with a div

• Remove restriction that component root can’t also have unicorn:model or unicorn:action

All changes since 0.15.0.

v0.14.1

• Prevent the currently focused model element from updating after the AJAX request finishes (#100).

All changes since 0.14.0.

v0.14.0

• Disable poll with a component field

• Dynamically change polling options with PollUpdate

• Basic support for pydantic models

All changes since 0.13.0.

v0.13.0

• Component key to allow disambiguation of components of the same name

• $returnValue special argument

• Get the last action method’s return value

All changes since 0.12.0.

v0.12.0

• Redirect from action method in component

All changes since 0.11.2.

v0.11.2

• Fix encoding issue with default component template on Windows (#91)

• Fix circular import when creating the component (#92)

All changes since 0.11.0.

v0.11.0

• $model special argument and decorator.

• $toggle special method.

• Support nested properties when using the set shortcut.

• Fix action string arguments that would get spaces removed inadvertently.

Breaking changes

• All existing special methods now start with a $ to signify they are magical. Therefore, refresh is now $refresh, reset is now $reset, and validate is now $validate.

All changes since 0.10.1.

v0.10.1

• Use LRU cache for constructed components to prevent ever-expanding memory.

• Loosen beautifulsoup4 version requirement.

• Fix bug to handle floats so that they don’t lose precision when serialized to JSON.

• Fix bug to handle related models (ForeignKeys, OneToOne, etc) fields in Django models.

All changes since 0.10.0.

v0.10.0

• Add support for passing kwargs into the component on the template

• Provide access to the current request in the component’s methods

All changes since 0.9.4.

v0.9.4

• Fix: Prevent Django CharField form field from stripping whitespaces when used for validation.

• Fix: Handle edge case that would generate a null exception.

• Fix: Only change loading state when an action method gets called, not on every event fire.

All changes since 0.9.1.

v0.9.3

• Handle child elements triggering an event which should be handled by a parent unicorn element.

All changes since 0.9.1.

v0.9.1

• Fix: certain actions weren’t triggering model values to get set correctly

All changes since 0.9.0.

v0.9.0

• Loading states for improved UX.

• $event special argument for actions.

• u unicorn attribute.

• APPS setting for determing where to look for components.

• Add support for parent elements for non-db models.

• Fix: Handle if Meta doesn’t exist for db models.

All changes since 0.8.0.

v0.8.0

• Add much more elaborate support for dealing with Django models.

All changes since 0.7.1.

v0.7.1

• Fix bug where multiple actions would trigger multiple payloads.

• Handle lazy models that are children of an action model better.

All changes since 0.7.0.

v0.7.0

• Parse action method arguments as basic Python objects

• Stop and prevent modifiers on actions

• Defer modifier on model

• Support for multiple actions on the same element

• Django setting for whether the JavaScript is minified

Breaking changes

• Remove unused unicorn_styles template tag

• Use dash for poll timing instead of dot

All changes since 0.6.5.

v0.6.5

• Attempt to get the CSRF token from the cookie first before looking at the CSRF token.

All changes since 0.6.4.

v0.6.4

• Fix bug where lazy models weren’t sending values before an action was called

• Add is_valid method to component to more easily check if a component has validation errors.

• Better error message if the CSRF token is not available.

All changes since 0.6.3.

v0.6.3

• Fix bug where model elements weren’t getting updated values when an action was being called during the same component update.

• Fix bug where some action event listeners were duplicated.

All changes since 0.6.2.

v0.6.2

• More robust fix for de-duping multiple actions.

• Fix bug where conditionally added actions didn’t get an event listener.

All changes since 0.6.1.

v0.6.1

• Fix model sync getting lost when there is an action (issue 39).

• Small fix for validations.

All changes since 0.6.0.

v0.6.0

• Realtime validation of a Unicorn model.

• Polling for component updates.

• More component hooks

All changes since 0.5.0.

v0.5.0

• Call component method from JavaScript.

• Support classes, dictionaries, Django Models, (read-only) Django QuerySets properties on a component.

• Debounce modifier to change how fast changes are sent to the backend from unicorn:model.

• Lazy modifier to listen for blur instead of input on unicorn:model.

• Better support for textarea HTML element.

All changes since 0.4.0.

v0.4.0

• Set shortcut for setting properties.

• Listen for any valid event, not just click.

• Better handling for model updates when element ids aren’t unique.

All changes since 0.3.0.

v0.3.0

• Add mount hook.

• Add reset action.

• Remove lag when typing fast in a text input and overall improved performance.

• Better error handling for exceptional cases.

All changes since 0.2.3.

v0.2.3

• Fix for creating default folders when running startunicorn.

All changes since 0.2.2.

v0.2.2

• Set default template_name if it’s missing in component.

All changes since 0.2.1.

v0.2.1

• Fix startunicorn Django management command.

All changes since 0.2.0.

v0.2.0

• Switch from Component class to UnicornView to follow the conventions of class-based views.

• Investigate using class-based view instead of the custom Component class

All changes since 0.1.1.

v0.1.1

• Fix package readme and repository link.

All changes since 0.1.0.

v0.1.0

• Initial version with basic functionality.