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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export const postMessageEventTypes = [
'misskey:embed:ready',
'misskey:embed:changeHeight',
] as const;
export type PostMessageEventType = typeof postMessageEventTypes[number];
export interface PostMessageEventPayload extends Record<PostMessageEventType, any> {
'misskey:embed:ready': undefined;
'misskey:embed:changeHeight': {
height: number;
};
}
export type MiPostMessageEvent<T extends PostMessageEventType = PostMessageEventType> = {
type: T;
iframeId?: string;
payload?: PostMessageEventPayload[T];
};
let defaultIframeId: string | null = null;
export function setIframeId(id: string): void {
if (defaultIframeId != null) return;
if (_DEV_) console.log('setIframeId', id);
defaultIframeId = id;
}
/**
* 親フレームにイベントを送信
*/
export function postMessageToParentWindow<T extends PostMessageEventType = PostMessageEventType>(type: T, payload?: PostMessageEventPayload[T], iframeId: string | null = null): void {
let _iframeId = iframeId;
if (_iframeId == null) {
_iframeId = defaultIframeId;
}
if (_DEV_) console.log('postMessageToParentWindow', type, _iframeId, payload);
window.parent.postMessage({
type,
iframeId: _iframeId,
payload,
}, '*');
}
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