youtube-chat
Version:
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196 lines • 6.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseChatData = exports.getOptionsFromLivePage = void 0;
function getOptionsFromLivePage(data) {
let liveId;
const idResult = data.match(/<link rel="canonical" href="https:\/\/www.youtube.com\/watch\?v=(.+?)">/);
if (idResult) {
liveId = idResult[1];
}
else {
throw new Error("Live Stream was not found");
}
const replayResult = data.match(/['"]isReplay['"]:\s*(true)/);
if (replayResult) {
throw new Error(`${liveId} is finished live`);
}
let apiKey;
const keyResult = data.match(/['"]INNERTUBE_API_KEY['"]:\s*['"](.+?)['"]/);
if (keyResult) {
apiKey = keyResult[1];
}
else {
throw new Error("API Key was not found");
}
let clientVersion;
const verResult = data.match(/['"]clientVersion['"]:\s*['"]([\d.]+?)['"]/);
if (verResult) {
clientVersion = verResult[1];
}
else {
throw new Error("Client Version was not found");
}
let continuation;
const continuationResult = data.match(/['"]continuation['"]:\s*['"](.+?)['"]/);
if (continuationResult) {
continuation = continuationResult[1];
}
else {
throw new Error("Continuation was not found");
}
return {
liveId,
apiKey,
clientVersion,
continuation,
};
}
exports.getOptionsFromLivePage = getOptionsFromLivePage;
/** get_live_chat レスポンスを変換 */
function parseChatData(data) {
let chatItems = [];
if (data.continuationContents.liveChatContinuation.actions) {
chatItems = data.continuationContents.liveChatContinuation.actions
.map((v) => parseActionToChatItem(v))
.filter((v) => v !== null);
}
const continuationData = data.continuationContents.liveChatContinuation.continuations[0];
let continuation = "";
if (continuationData.invalidationContinuationData) {
continuation = continuationData.invalidationContinuationData.continuation;
}
else if (continuationData.timedContinuationData) {
continuation = continuationData.timedContinuationData.continuation;
}
return [chatItems, continuation];
}
exports.parseChatData = parseChatData;
/** サムネイルオブジェクトをImageItemへ変換 */
function parseThumbnailToImageItem(data, alt) {
const thumbnail = data.pop();
if (thumbnail) {
return {
url: thumbnail.url,
alt: alt,
};
}
else {
return {
url: "",
alt: "",
};
}
}
function convertColorToHex6(colorNum) {
return `#${colorNum.toString(16).slice(2).toLocaleUpperCase()}`;
}
/** メッセージrun配列をMessageItem配列へ変換 */
function parseMessages(runs) {
return runs.map((run) => {
if ("text" in run) {
return run;
}
else {
// Emoji
const thumbnail = run.emoji.image.thumbnails.shift();
const isCustomEmoji = Boolean(run.emoji.isCustomEmoji);
const shortcut = run.emoji.shortcuts ? run.emoji.shortcuts[0] : "";
return {
url: thumbnail ? thumbnail.url : "",
alt: shortcut,
isCustomEmoji: isCustomEmoji,
emojiText: isCustomEmoji ? shortcut : run.emoji.emojiId,
};
}
});
}
/** actionの種類を判別してRendererを返す */
function rendererFromAction(action) {
if (!action.addChatItemAction) {
return null;
}
const item = action.addChatItemAction.item;
if (item.liveChatTextMessageRenderer) {
return item.liveChatTextMessageRenderer;
}
else if (item.liveChatPaidMessageRenderer) {
return item.liveChatPaidMessageRenderer;
}
else if (item.liveChatPaidStickerRenderer) {
return item.liveChatPaidStickerRenderer;
}
else if (item.liveChatMembershipItemRenderer) {
return item.liveChatMembershipItemRenderer;
}
return null;
}
/** an action to a ChatItem */
function parseActionToChatItem(data) {
var _a, _b, _c;
const messageRenderer = rendererFromAction(data);
if (messageRenderer === null) {
return null;
}
let message = [];
if ("message" in messageRenderer) {
message = messageRenderer.message.runs;
}
else if ("headerSubtext" in messageRenderer) {
message = messageRenderer.headerSubtext.runs;
}
const authorNameText = (_b = (_a = messageRenderer.authorName) === null || _a === void 0 ? void 0 : _a.simpleText) !== null && _b !== void 0 ? _b : "";
const ret = {
id: messageRenderer.id,
author: {
name: authorNameText,
thumbnail: parseThumbnailToImageItem(messageRenderer.authorPhoto.thumbnails, authorNameText),
channelId: messageRenderer.authorExternalChannelId,
},
message: parseMessages(message),
isMembership: false,
isOwner: false,
isVerified: false,
isModerator: false,
timestamp: new Date(Number(messageRenderer.timestampUsec) / 1000),
};
if (messageRenderer.authorBadges) {
for (const entry of messageRenderer.authorBadges) {
const badge = entry.liveChatAuthorBadgeRenderer;
if (badge.customThumbnail) {
ret.author.badge = {
thumbnail: parseThumbnailToImageItem(badge.customThumbnail.thumbnails, badge.tooltip),
label: badge.tooltip,
};
ret.isMembership = true;
}
else {
switch ((_c = badge.icon) === null || _c === void 0 ? void 0 : _c.iconType) {
case "OWNER":
ret.isOwner = true;
break;
case "VERIFIED":
ret.isVerified = true;
break;
case "MODERATOR":
ret.isModerator = true;
break;
}
}
}
}
if ("sticker" in messageRenderer) {
ret.superchat = {
amount: messageRenderer.purchaseAmountText.simpleText,
color: convertColorToHex6(messageRenderer.backgroundColor),
sticker: parseThumbnailToImageItem(messageRenderer.sticker.thumbnails, messageRenderer.sticker.accessibility.accessibilityData.label),
};
}
else if ("purchaseAmountText" in messageRenderer) {
ret.superchat = {
amount: messageRenderer.purchaseAmountText.simpleText,
color: convertColorToHex6(messageRenderer.bodyBackgroundColor),
};
}
return ret;
}
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