Class ExtensionPermissionGrid<CustomAttrs>

The Component class defines a user interface 'building block'. A component generates a virtual DOM to be rendered on each redraw.

Essentially, this is a wrapper for Mithril's components that adds several useful features:

  • In the oninit and onbeforeupdate lifecycle hooks, we store vnode attrs in `this.attrs. This allows us to use attrs across components without having to pass the vnode to every single method.
  • The static initAttrs method allows a convenient way to provide defaults (or to otherwise modify) the attrs that have been passed into a component.
  • When the component is created in the DOM, we store its DOM element under this.element; this lets us use jQuery to modify child DOM state from internal methods via the this.$() method.
  • A convenience component method, which serves as an alternative to hyperscript and JSX.

As with other Mithril components, components extending Component can be initialized and nested using JSX, hyperscript, or a combination of both. The component method can also be used.

Example

return m('div', <MyComponent foo="bar"><p>Hello World</p></MyComponent>);

Example

return m('div', MyComponent.component({foo: 'bar'), m('p', 'Hello World!'));

See

https://mithril.js.org/components.html

Type Parameters

Hierarchy

Constructors

Properties

attrs: CustomAttrs

The attributes passed into the component.

element: Element

The root DOM element for the component.

extensionId: string
state: undefined

Class component state that is persisted between redraws.

Updating this will not automatically trigger a redraw, unlike other frameworks.

This is different to Vnode state, which is always an instance of your class component.

This is undefined by default.

Methods

  • Returns a jQuery object for this component's element. If you pass in a selector string, this method will return a jQuery object, using the current element as its buffer.

    For example, calling component.$('li') will return a jQuery object containing all of the li elements inside the DOM element of this component.

    Parameters

    • Optional selector: string

      a jQuery-compatible selector string

    Returns JQuery<HTMLElement>

    the jQuery object for the DOM node

    Final

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