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snabbdom-iframe-domapi

v0.3.2

Published

DOM API for Snabbdom with iframe support.

Downloads

1,030

Readme

snabbdom-iframe-domapi Build Status

Snabbdom allows you to provide alternative DOM implementations. This project provides a standard HTML DOM API along with iframe support, so that you can simply patch content inside of <iframe> elements. This allows one to do something like:

var vnode0 = document.createElement('iframe');
document.body.appendChild(vnode0);
var vnode1 = h('iframe', [
    h('ul', [
        h('li', 'Thing 1'),
        h('li', 'Thing 2')
    ]),
    h('span', 'Another thing.')
]);
patch(vnode0, vnode1);
patch(vnode1, h('iframe', [
    h('ul', [
        h('li', 'Thing 0'),
        h('li', 'Thing 1'),
        h('li', 'Thing 2')
    ])
]));

And the childNodes will be added/removed from the contentDocument.body of the iframe when the iframe is fully ready/loaded.

Usage

Default

The default implementation simply uses the current window's document to create elements. This implementation is accessible as the default export.

import domApi from 'snabbdom-iframe-domapi';
import snabbdom from 'snabbdom';
import snabbdomClass from 'snabbdom/modules/class';
import snabbdomProps from 'snabbdom/modules/props';
import snabbdomEventListeners from 'snabbdom/modules/eventlisteners';

let patch = snabbdom.init([
    snabbdomClass,
    snabbdomProps,
    snabbdomEventListeners
], domApi);

Options

  • clean

    You can specify a clean option to the createApi function. This will cause the implementation to create a new, clean Document (untouched by any changes to window globals), and it will use this "clean" document to create elements.

  • trustedTypesPolicy

    You can pass a TrustedTypePolicy to the createApi function via the trustedTypesPolicy option. When the clean option is true, this will cause the "clean" document to use that passed policy as the default policy when setting any "injection sinks." See the Trusted Types documentation for more details.

To set options simply pass a hash of option values to the createApi function:

import { createApi } from 'snabbdom-iframe-domapi';
import snabbdom from 'snabbdom';
import snabbdomClass from 'snabbdom/modules/class';
import snabbdomProps from 'snabbdom/modules/props';
import snabbdomEventListeners from 'snabbdom/modules/eventlisteners';

const policy = window.trustedTypes.defaultPolicy;
const domApi = createApi({ clean: true, trustedTypesPolicy: policy });

const patch = snabbdom.init([
    snabbdomClass,
    snabbdomProps,
    snabbdomEventListeners
], domApi);