button.js

Beast.decl({
    Button: {
        inherits: 'Control',
        tag: 'button',
        mod: {
            Action: false,
            Size: 'M',
            /* ... */
        },
        param: {
            href:'',
            icon:''
        },
        onMod: {
            State: {
                active: () => {
                    /* ... */
                },
                release: () => {
                    /* ... */
                }
            }
        },
        on: {
            Release: () => {
                /* ... */
            }
        },
        expand: fn () => {
            this.inherited(fn)
            if (this.param('icon')) {
                this.append(<Icon Name="{this.param('icon')}"/>)
                    .mod('Medium', true)
            }
            /* ... */
        },
        value: (value) => {
            /* ... */
        }
    }
})