Plugin
PreviewMessage
Lets you preview your message before sending it.
1
import { ChatBarButton, ChatBarButtonFactory } from "@api/ChatButtons";2
import { generateId, sendBotMessage } from "@api/Commands";3
import { Devs } from "@utils/constants";4
import definePlugin, { IconComponent, StartAt } from "@utils/types";5
import { CloudUpload, MessageAttachment } from "@vencord/discord-types";6
import { DraftStore, DraftType, UploadAttachmentStore, UserStore, useStateFromStores } from "@webpack/common";7
8
const getDraft = (channelId: string) => DraftStore.getDraft(channelId, DraftType.ChannelMessage);9
10
11
const getImageBox = (url: string): Promise<{ width: number, height: number; } | null> =>12
new Promise(res => {13
const img = new Image();14
img.onload = () =>15
res({ width: img.width, height: img.height });16
17
img.onerror = () =>18
res(null);19
20
img.src = url;21
});22
23
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const getAttachments = async (channelId: string) =>25
await Promise.all(26
UploadAttachmentStore.getUploads(channelId, DraftType.ChannelMessage)27
.map(async (upload: CloudUpload) => {28
const { isImage, filename, spoiler, item: { file } } = upload;29
const url = URL.createObjectURL(file);30
const attachment: MessageAttachment = {31
id: generateId(),32
filename: spoiler ? "SPOILER_" + filename : filename,33
// weird eh? if i give it the normal content type the preview doenst work34
content_type: undefined,35
size: upload.getSize(),36
spoiler,37
// discord adds query params to the url, so we need to add a hash to prevent that38
url: url + "#",39
proxy_url: url + "#",40
};41
42
if (isImage) {43
const box = await getImageBox(url);44
if (!box) return attachment;45
46
attachment.width = box.width;47
attachment.height = box.height;48
}49
50
return attachment;51
})52
);53
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const PreviewIcon: IconComponent = ({ height = 20, width = 20, className }) => {56
return (57
<svg58
fill="currentColor"59
fillRule="evenodd"60
width={width}61
height={height}62
className={className}63
viewBox="0 0 24 24"64
style={{ scale: "1.096", translate: "0 -1px" }}65
>66
<path d="M22.89 11.7c.07.2.07.4 0 .6C22.27 13.9 19.1 21 12 21c-7.11 0-10.27-7.11-10.89-8.7a.83.83 0 0 1 0-.6C1.73 10.1 4.9 3 12 3c7.11 0 10.27 7.11 10.89 8.7Zm-4.5-3.62A15.11 15.11 0 0 1 20.85 12c-.38.88-1.18 2.47-2.46 3.92C16.87 17.62 14.8 19 12 19c-2.8 0-4.87-1.38-6.39-3.08A15.11 15.11 0 0 1 3.15 12c.38-.88 1.18-2.47 2.46-3.92C7.13 6.38 9.2 5 12 5c2.8 0 4.87 1.38 6.39 3.08ZM15.56 11.77c.2-.1.44.02.44.23a4 4 0 1 1-4-4c.21 0 .33.25.23.44a2.5 2.5 0 0 0 3.32 3.32Z" />67
</svg>68
);69
};70
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const PreviewButton: ChatBarButtonFactory = ({ isAnyChat, isEmpty, type: { attachments }, channel: { id: channelId } }) => {72
const draft = useStateFromStores([DraftStore], () => getDraft(channelId));73
74
if (!isAnyChat) return null;75
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const hasAttachments = attachments && UploadAttachmentStore.getUploads(channelId, DraftType.ChannelMessage).length > 0;77
const hasContent = !isEmpty && draft?.length > 0;78
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if (!hasContent && !hasAttachments) return null;80
81
return (82
<ChatBarButton83
tooltip="Preview Message"84
onClick={async () =>85
sendBotMessage(86
channelId,87
{88
content: getDraft(channelId),89
author: UserStore.getCurrentUser(),90
attachments: hasAttachments ? await getAttachments(channelId) : undefined,91
}92
)}93
buttonProps={{94
style: {95
translate: "0 2px"96
}97
}}98
>99
<PreviewIcon />100
</ChatBarButton>101
);102
103
};104
105
export default definePlugin({106
name: "PreviewMessage",107
description: "Lets you preview your message before sending it.",108
tags: ["Chat", "Utility"],109
authors: [Devs.Aria],110
// start early to ensure we're the first plugin to add our button111
// This makes the popping in less awkward112
startAt: StartAt.Init,113
114
chatBarButton: {115
icon: PreviewIcon,116
render: PreviewButton117
}118
});119