Files
wxt/src/client/content-scripts/content-script-iframe.ts
T
2023-12-16 12:20:15 -06:00

84 lines
2.0 KiB
TypeScript

import { browser } from '~/browser';
import {
ContentScriptAnchoredOptions,
ContentScriptPositioningOptions,
applyContentScriptUiPosition,
mountContentScriptUiRoot,
} from '../utils/content-script-ui';
import { ContentScriptContext } from './content-script-context';
/**
* Utility for mounting a content script UI inside an iframe. Automatically removed from the DOM
* when the content script's context is invalidated.
*
* See https://wxt.dev/entrypoints/content-scripts.html#iframe for full documentation.
*
* @example
* export default defineContentScript({
* matches: ["*://*.google.com/*"],
*
* main(ctx) {
* const ui = await createContentScriptIframe(ctx, {
* page: "/content-script-overlay.html",
* type: "modal",
* })
* ui.mount();
* }
* })
*/
export function createContentScriptIframe(
ctx: ContentScriptContext,
options: ContentScriptIframeOptions,
): ContentScriptIframe {
const wrapper = document.createElement('div');
wrapper.classList.add('wxt-iframe-wrapper');
const iframe = document.createElement('iframe');
iframe.src = browser.runtime.getURL(options.page);
wrapper.appendChild(iframe);
const mount = () => {
applyContentScriptUiPosition(wrapper, iframe, options);
mountContentScriptUiRoot(wrapper, options);
};
const remove = () => {
wrapper.remove();
};
ctx.onInvalidated(remove);
return {
iframe,
wrapper,
mount,
remove,
};
}
export interface ContentScriptIframe {
/**
* The iframe added to the DOM.
*/
iframe: HTMLIFrameElement;
/**
* A wrapper div that assists in positioning.
*/
wrapper: HTMLDivElement;
/**
* Function that mounts or remounts the UI on the page.
*/
mount: () => void;
/**
* Function that removes the UI from the webpage.
*/
remove: () => void;
}
export type ContentScriptIframeOptions = ContentScriptPositioningOptions &
ContentScriptAnchoredOptions & {
/**
* The path to the unlisted HTML file to display in the iframe.
*/
page: import('wxt/browser').PublicPath;
};