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sim1222 2024-06-25 11:18:16 +09:00
commit 26f86e7e97
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13 changed files with 2908 additions and 0 deletions

33
.eslintrc.js Normal file
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module.exports = {
"env": {
"es2021": true,
"node": true
},
"extends": [
"eslint:recommended",
"plugin:@typescript-eslint/recommended"
],
"overrides": [
{
"env": {
"node": true
},
"files": [
".eslintrc.{js,cjs}"
],
"parserOptions": {
"sourceType": "script"
}
}
],
"parser": "@typescript-eslint/parser",
"parserOptions": {
"ecmaVersion": "latest",
"sourceType": "module"
},
"plugins": [
"@typescript-eslint"
],
"rules": {
}
}

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.gitignore vendored Normal file
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# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
# Logs
logs
_.log
npm-debug.log_
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*
# Caches
.cache
# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
# Runtime data
pids
_.pid
_.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
*.lcov
# nyc test coverage
.nyc_output
# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules/
jspm_packages/
# Snowpack dependency directory (https://snowpack.dev/)
web_modules/
# TypeScript cache
*.tsbuildinfo
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional stylelint cache
.stylelintcache
# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variable files
.env
.env.development.local
.env.test.local
.env.production.local
.env.local
# parcel-bundler cache (https://parceljs.org/)
.parcel-cache
# Next.js build output
.next
out
# Nuxt.js build / generate output
.nuxt
dist
# Gatsby files
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public
# vuepress build output
.vuepress/dist
# vuepress v2.x temp and cache directory
.temp
# Docusaurus cache and generated files
.docusaurus
# Serverless directories
.serverless/
# FuseBox cache
.fusebox/
# DynamoDB Local files
.dynamodb/
# TernJS port file
.tern-port
# Stores VSCode versions used for testing VSCode extensions
.vscode-test
# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*
# IntelliJ based IDEs
.idea
# Finder (MacOS) folder config
.DS_Store

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.prettierrc Normal file
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{
"printWidth": 120,
"tabWidth": 2,
"useTabs": true,
"semi": true,
"singleQuote": true,
"trailingComma": "all",
"bracketSpacing": true,
"jsxBracketSameLine": false,
"arrowParens": "avoid"
}

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package.json Normal file
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{
"name": "nikokari-downloader-node",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "node dist/index.js",
"build": "tsc src/index.ts --outDir dist",
"dev": "tsx watch src/index.ts",
"prettier": "prettier --write \"src/**/*.ts\"",
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"@types/node": "^20.14.8",
"@typescript-eslint/eslint-plugin": "^7.13.1",
"@typescript-eslint/parser": "^7.13.1",
"eslint": "^9.5.0",
"eslint-config-prettier": "^9.1.0",
"prettier": "^3.3.2",
"tsx": "^4.15.7"
},
"dependencies": {
"dotenv": "^16.4.5",
"m3u8-parser": "^7.1.0",
"typescript": "^5.5.2"
}
}

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pnpm-lock.yaml generated Normal file

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src/api.ts Normal file
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import { UserAgent, frontendId, frontendVersion } from './constants';
import { GenerateHlsSessionResponse, GetVideoInfoResponse } from './types/response';
import { objToUrlParams } from './utils';
/**
*
* @param id sm11448603
*/
export async function getVideoInfo(id: string) {
/*
{
"meta": {
"status": 200
},
"data": {
"client": {
"nicosid": "1719238556.1102796574",
"watchId": "sm11448603",
"watchTrackId": "YTLfJqsNf4_1719238557065"
},
"genre": {
"key": "music_sound",
"label": "音楽・サウンド",
"isImmoral": false,
"isDisabled": false,
"isNotSet": false
},
"media": {
"domand": {
"videos": [
{
"id": "video-h264-720p",
"isAvailable": true,
"label": "720p",
"bitRate": 1471070,
"width": 960,
"height": 720,
"qualityLevel": 3,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-480p",
"isAvailable": true,
"label": "480p",
"bitRate": 699517,
"width": 640,
"height": 480,
"qualityLevel": 2,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-360p",
"isAvailable": true,
"label": "360p",
"bitRate": 555849,
"width": 480,
"height": 360,
"qualityLevel": 1,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-360p-lowest",
"isAvailable": true,
"label": "低画質",
"bitRate": 301851,
"width": 480,
"height": 360,
"qualityLevel": 0,
"recommendedHighestAudioQualityLevel": 1
}
],
"audios": [
{
"id": "audio-aac-192kbps",
"isAvailable": true,
"bitRate": 178506,
"samplingRate": 44100,
"integratedLoudness": -7.9000000000000003552713678800500929355621337890625,
"truePeak": 0.59999999999999997779553950749686919152736663818359375,
"qualityLevel": 1,
"loudnessCollection": [
{
"type": "video",
"value": 0.44157044735331252294230353072634898126125335693359375
},
{
"type": "pureAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "nicoadVideoIntroduce",
"value": 0.89125093813374556273032567332847975194454193115234375
},
{
"type": "nicoadBillboard",
"value": 1
},
{
"type": "marquee",
"value": 1
}
]
},
{
"id": "audio-aac-64kbps",
"isAvailable": true,
"bitRate": 92609,
"samplingRate": 44100,
"integratedLoudness": -7.9000000000000003552713678800500929355621337890625,
"truePeak": 0.59999999999999997779553950749686919152736663818359375,
"qualityLevel": 0,
"loudnessCollection": [
{
"type": "video",
"value": 0.44157044735331252294230353072634898126125335693359375
},
{
"type": "pureAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "nicoadVideoIntroduce",
"value": 0.89125093813374556273032567332847975194454193115234375
},
{
"type": "nicoadBillboard",
"value": 1
},
{
"type": "marquee",
"value": 1
}
]
}
],
"isStoryboardAvailable": false,
"accessRightKey": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJqdGkiOiI2Njc5N2Y5ZDE3MjMzIiwiZXhwIjoxNzE5MjM5MTU3LCJ0eXAiOiJBY2Nlc3MtUmlnaHQtS2V5IiwidmlkIjoic20xMTQ0ODYwMyIsInJpZCI6Im5pY292aWRlby1zbTExNDQ4NjAzIiwiZmlkIjo2LCJ1aWQiOiI2LVlUTGZKcXNOZjRfMTcxOTIzODU1NzA2NSIsImQiOjI4OCwidiI6WyJ2aWRlby1oMjY0LTcyMHAiLCJ2aWRlby1oMjY0LTQ4MHAiLCJ2aWRlby1oMjY0LTM2MHAiLCJ2aWRlby1oMjY0LTM2MHAtbG93ZXN0Il0sImEiOlsiYXVkaW8tYWFjLTE5MmticHMiLCJhdWRpby1hYWMtNjRrYnBzIl0sInMiOmZhbHNlLCJzaCI6ZmFsc2V9.lSUYPHzPGs7ChsfBHd0jY3_3zS2yGBLtk8M2qZNIXzfjMZzTPcnDMH02iedO5MagJYIuAmculBlkQI25h4VQzg"
},
"delivery": null,
"deliveryLegacy": null
},
"tag": {
"items": [
{
"name": "VOCALOID",
"isLocked": true
},
{
"name": "mztm",
"isLocked": true
},
{
"name": "蛍草",
"isLocked": true
},
{
"name": "ハロ/ハワユ",
"isLocked": true
},
{
"name": "ナノウ",
"isLocked": true
},
{
"name": "初音ミク",
"isLocked": false
},
{
"name": "ミクオリジナル曲",
"isLocked": false
},
{
"name": "ほえほえP",
"isLocked": false
},
{
"name": "VOCALOID伝説入り",
"isLocked": false
},
{
"name": "DAM&JOY配信中",
"isLocked": false
},
{
"name": "初音ミク名曲リンク",
"isLocked": false
}
]
},
"video": {
"id": "sm11448603",
"title": "【初音ミクSoft】 ハロハワユ 【オリジナル】",
"description": "詞&曲 : ナノウ   (mylist\/9634824)<br \/>絵    mztm   (http:\/\/piapro.jp\/nico0410)<br \/>動画  : 蛍草   (mylist\/18321757)<br \/><br \/><br \/>※ニンテンドー3DS『初音ミク and Future Stars Project mirai』に、この曲が収録されました。<br \/>→ http:\/\/miku.sega.jp\/mirai\/<br \/><br \/>カラオケ  http:\/\/piapro.jp\/nir580<br \/><br \/><br \/>mylist\/34696796",
"count": {
"view": 3275900,
"comment": 43870,
"mylist": 72662,
"like": 3676
},
"duration": 288,
"thumbnail": {
"url": "https:\/\/nicovideo.cdn.nimg.jp\/thumbnails\/11448603\/11448603",
"middleUrl": null,
"largeUrl": null,
"player": "https:\/\/img.cdn.nimg.jp\/s\/nicovideo\/thumbnails\/11448603\/11448603.original\/a960x540l?key=b754efe8996ff38d0d93d7e620d33cefa4a9e0bd495f4356b5d6744f93f11d2a",
"ogp": "https:\/\/img.cdn.nimg.jp\/s\/nicovideo\/thumbnails\/11448603\/11448603.original\/r1280x720l?key=c0ee356e6d888a5351409da0d3216e1e22accc0aa56788c425f63c3397f3a223"
},
"registeredAt": "2010-07-20T01:13:28+09:00"
},
"ownerNickname": "ナノウ"
}
}
*/
const url = 'https://www.nicovideo.jp/api/watch/tmp/';
const params = {
_frontendId: frontendId,
_frontendVersion: frontendVersion,
};
const res = await fetch(`${url}${id}?${objToUrlParams(params)}`, {
headers: {
'User-Agent': UserAgent,
},
});
const json: GetVideoInfoResponse = await res.json();
return json;
}
export async function generateHlsSession(id: string, videoInfo: GetVideoInfoResponse) {
const params = {
actionTrackId: videoInfo.data.client.watchTrackId,
_frontendId: frontendId,
_frontendVersion: frontendVersion,
};
const videoAudioPairs = videoInfo.data.media.domand.videos.map(video => {
const audio = videoInfo.data.media.domand.audios.find(
audio => audio.qualityLevel === video.recommendedHighestAudioQualityLevel,
);
if (!audio) {
throw new Error('Audio not found');
}
return [video.id, audio.id];
});
const res = await fetch(`https://nvapi.nicovideo.jp/v1/tmp/watch/${id}/access-rights/hls?${objToUrlParams(params)}`, {
method: 'POST',
body: JSON.stringify({
outputs: videoAudioPairs,
}),
headers: {
'Content-Type': 'application/json',
'User-Agent': UserAgent,
'X-Access-Right-Key': videoInfo.data.media.domand.accessRightKey,
'X-Request-With': 'https://www.nicovideo.jp',
},
});
const cookie = res.headers.get('set-cookie');
const json: GenerateHlsSessionResponse = await res.json();
return {
cookie,
data: json,
};
}

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import { RequestBase } from './types/request';
export const UserAgent = 'WindowsApplication';
export const CriUserAgent = 'CriHttpRequest';
export const GuestUser = {
loginId: '4a6utb743fkuk7d2',
password: '966n4jazzuai5e4x',
};
export const requestBase: RequestBase = {
charset: 'UTF-8',
format: 'json',
};
export const frontendId = 6;
export const frontendVersion = '0.0.0';

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import { generateHlsSession, getVideoInfo } from './api';
import { UserAgent } from './constants';
import { cookieStringToObj, downloadAesM3u8, getMediaPair, objToCookieString } from './utils';
import fs from 'fs';
const videoId = 'sm11448603';
(async () => {
const videoInfo = await getVideoInfo(videoId);
// console.log(videoInfo);
const videoSession = await generateHlsSession(videoId, videoInfo);
// console.log(videoSession);
const expireTime = new Date(videoSession.data.data.expireTime);
const currentTime = new Date();
if (expireTime < currentTime) {
console.error('Session expired');
return;
}
const highestVideo = videoInfo.data.media.domand.videos.sort((a, b) => b.qualityLevel - a.qualityLevel)[0];
const highestAudio = videoInfo.data.media.domand.audios.sort((a, b) => b.qualityLevel - a.qualityLevel)[0];
console.log(videoSession.data.data.contentUrl);
const cookie = objToCookieString({
nicosid: videoInfo.data.client.nicosid,
domand_bid: cookieStringToObj(videoSession.cookie).domand_bid,
});
const m3u8 = await fetch(videoSession.data.data.contentUrl, {
headers: {
Cookie: cookie,
'User-Agent': UserAgent,
},
}).then(res => res.text());
// console.log(m3u8);
const mediaPair = getMediaPair(highestVideo.id, highestAudio.id, m3u8);
// console.log(JSON.stringify(mediaPair, null, 2));
const video = await downloadAesM3u8(mediaPair.video?.uri, cookie);
fs.writeFileSync('video.mp4', Buffer.from(video));
// console.log(mediaPair.audio);
const audio = await downloadAesM3u8(mediaPair.audio['Main Audio'].uri, cookie);
fs.writeFileSync('audio.mp4', Buffer.from(audio));
})();

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export type APIUser = {
userCode: string;
authToken: string;
};
export enum SearchAutoCompleteType {
Keyword = 0,
Music = 1,
Artist = 2,
}

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import { APIUser, SearchAutoCompleteType } from './general';
export type RequestBase = {
charset: 'UTF-8';
format: 'json';
};
export type LoginRequest = RequestBase & {
loginId: string;
password: string;
};
export type LogoutRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
};
export type GetMusicDetailRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
deviceId: 22;
requestNo: string;
serviceId: 1;
contractId: 1;
};
export type GetMusicStreamingURLRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
deviceId: 22;
serviceId: 1;
requestNo: string;
};
export type GetMusicRankingTermRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
dispNumber: 1000;
pageNo: 1;
targetContractId: 0;
/**
* 202311
* YYYYmm
*/
targetStartDateFrom: number;
targetStartDateTo: number;
targetEndDateFrom: number;
targetEndDateTo: number;
sort: 1;
};
export type GetMusicRankingRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
dispNumber: 30;
pageNo: number;
targetContractId: 1;
musicViewsRankingId: number;
serviceId: 1;
deviceId: 22;
getCount: 200;
thumbnailType: 1;
};
export type SearchAutoCompleteRequest = APIUser & {
authKey: '2/Qb9R@8s*';
compId: 1;
keyword: string;
minseiModelNum: 'M1';
modelTypeCode: 2;
responseInfoType: SearchAutoCompleteType;
};
export type GetNewReleaseMusicRequest = RequestBase &
APIUser & {
compId: 1;
compAuthKey: '2/Qb9R@8s*';
deliveryRelativeWeek: 0;
dispNumber: 30;
pageNo: number;
serviceId: 1;
deviceId: 22;
targetContractId: 1;
thumbnailType: 1;
};
export type SearchVariousByKeywordRequest = APIUser & {
authKey: '2/Qb9R@8s*';
compId: 1;
dispCount: 30;
keyword: string;
minseiModelNum: 'M1';
modelPatternCode: 0;
modelTypeCode: 2;
pageNo: number;
shopType: '02';
sort: 2;
};
export type SearchMusicByKeywordRequest = APIUser & {
authKey: '2/Qb9R@8s*';
compId: 1;
dispCount: 30;
keyword: string;
minseiModelNum: 'M1';
modelPatternCode: 1;
modelTypeCode: 2;
pageNo: number;
shopType: '02';
sort: 1;
};
export type SearchArtistByKeywordRequest = APIUser & {
authKey: '2/Qb9R@8s*';
compId: 1;
dispCount: 30;
keyword: string;
minseiModelNum: 'M1';
modelPatternCode: 1;
modelTypeCode: 2;
pageNo: number;
shopType: '02';
sort: 1;
};
export type GetMusicListByArtistRequest = APIUser & {
artistCode: number;
authKey: '2/Qb9R@8s*';
compId: 1;
dispCount: 30;
minseiModelNum: 'M1';
modelTypeCode: 2;
pageNo: number;
sort: 1;
};

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export type GetVideoInfoResponse = JsonAPIResponse<{
/*
{
"meta": {
"status": 200
},
"data": {
"client": {
"nicosid": "1719238556.1102796574",
"watchId": "sm11448603",
"watchTrackId": "YTLfJqsNf4_1719238557065"
},
"genre": {
"key": "music_sound",
"label": "音楽・サウンド",
"isImmoral": false,
"isDisabled": false,
"isNotSet": false
},
"media": {
"domand": {
"videos": [
{
"id": "video-h264-720p",
"isAvailable": true,
"label": "720p",
"bitRate": 1471070,
"width": 960,
"height": 720,
"qualityLevel": 3,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-480p",
"isAvailable": true,
"label": "480p",
"bitRate": 699517,
"width": 640,
"height": 480,
"qualityLevel": 2,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-360p",
"isAvailable": true,
"label": "360p",
"bitRate": 555849,
"width": 480,
"height": 360,
"qualityLevel": 1,
"recommendedHighestAudioQualityLevel": 1
},
{
"id": "video-h264-360p-lowest",
"isAvailable": true,
"label": "低画質",
"bitRate": 301851,
"width": 480,
"height": 360,
"qualityLevel": 0,
"recommendedHighestAudioQualityLevel": 1
}
],
"audios": [
{
"id": "audio-aac-192kbps",
"isAvailable": true,
"bitRate": 178506,
"samplingRate": 44100,
"integratedLoudness": -7.9000000000000003552713678800500929355621337890625,
"truePeak": 0.59999999999999997779553950749686919152736663818359375,
"qualityLevel": 1,
"loudnessCollection": [
{
"type": "video",
"value": 0.44157044735331252294230353072634898126125335693359375
},
{
"type": "pureAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "nicoadVideoIntroduce",
"value": 0.89125093813374556273032567332847975194454193115234375
},
{
"type": "nicoadBillboard",
"value": 1
},
{
"type": "marquee",
"value": 1
}
]
},
{
"id": "audio-aac-64kbps",
"isAvailable": true,
"bitRate": 92609,
"samplingRate": 44100,
"integratedLoudness": -7.9000000000000003552713678800500929355621337890625,
"truePeak": 0.59999999999999997779553950749686919152736663818359375,
"qualityLevel": 0,
"loudnessCollection": [
{
"type": "video",
"value": 0.44157044735331252294230353072634898126125335693359375
},
{
"type": "pureAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPreroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdMidroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "pureAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "houseAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "networkAdPostroll",
"value": 0.7079457843841379105498390345019288361072540283203125
},
{
"type": "nicoadVideoIntroduce",
"value": 0.89125093813374556273032567332847975194454193115234375
},
{
"type": "nicoadBillboard",
"value": 1
},
{
"type": "marquee",
"value": 1
}
]
}
],
"isStoryboardAvailable": false,
"accessRightKey": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJqdGkiOiI2Njc5N2Y5ZDE3MjMzIiwiZXhwIjoxNzE5MjM5MTU3LCJ0eXAiOiJBY2Nlc3MtUmlnaHQtS2V5IiwidmlkIjoic20xMTQ0ODYwMyIsInJpZCI6Im5pY292aWRlby1zbTExNDQ4NjAzIiwiZmlkIjo2LCJ1aWQiOiI2LVlUTGZKcXNOZjRfMTcxOTIzODU1NzA2NSIsImQiOjI4OCwidiI6WyJ2aWRlby1oMjY0LTcyMHAiLCJ2aWRlby1oMjY0LTQ4MHAiLCJ2aWRlby1oMjY0LTM2MHAiLCJ2aWRlby1oMjY0LTM2MHAtbG93ZXN0Il0sImEiOlsiYXVkaW8tYWFjLTE5MmticHMiLCJhdWRpby1hYWMtNjRrYnBzIl0sInMiOmZhbHNlLCJzaCI6ZmFsc2V9.lSUYPHzPGs7ChsfBHd0jY3_3zS2yGBLtk8M2qZNIXzfjMZzTPcnDMH02iedO5MagJYIuAmculBlkQI25h4VQzg"
},
"delivery": null,
"deliveryLegacy": null
},
"tag": {
"items": [
{
"name": "VOCALOID",
"isLocked": true
},
{
"name": "mztm",
"isLocked": true
},
{
"name": "蛍草",
"isLocked": true
},
{
"name": "ハロ/ハワユ",
"isLocked": true
},
{
"name": "ナノウ",
"isLocked": true
},
{
"name": "初音ミク",
"isLocked": false
},
{
"name": "ミクオリジナル曲",
"isLocked": false
},
{
"name": "ほえほえP",
"isLocked": false
},
{
"name": "VOCALOID伝説入り",
"isLocked": false
},
{
"name": "DAM&JOY配信中",
"isLocked": false
},
{
"name": "初音ミク名曲リンク",
"isLocked": false
}
]
},
"video": {
"id": "sm11448603",
"title": "【初音ミクSoft】 ハロハワユ 【オリジナル】",
"description": "詞&曲 : ナノウ   (mylist\/9634824)<br \/>絵    mztm   (http:\/\/piapro.jp\/nico0410)<br \/>動画  : 蛍草   (mylist\/18321757)<br \/><br \/><br \/>※ニンテンドー3DS『初音ミク and Future Stars Project mirai』に、この曲が収録されました。<br \/>→ http:\/\/miku.sega.jp\/mirai\/<br \/><br \/>カラオケ  http:\/\/piapro.jp\/nir580<br \/><br \/><br \/>mylist\/34696796",
"count": {
"view": 3275900,
"comment": 43870,
"mylist": 72662,
"like": 3676
},
"duration": 288,
"thumbnail": {
"url": "https:\/\/nicovideo.cdn.nimg.jp\/thumbnails\/11448603\/11448603",
"middleUrl": null,
"largeUrl": null,
"player": "https:\/\/img.cdn.nimg.jp\/s\/nicovideo\/thumbnails\/11448603\/11448603.original\/a960x540l?key=b754efe8996ff38d0d93d7e620d33cefa4a9e0bd495f4356b5d6744f93f11d2a",
"ogp": "https:\/\/img.cdn.nimg.jp\/s\/nicovideo\/thumbnails\/11448603\/11448603.original\/r1280x720l?key=c0ee356e6d888a5351409da0d3216e1e22accc0aa56788c425f63c3397f3a223"
},
"registeredAt": "2010-07-20T01:13:28+09:00"
},
"ownerNickname": "ナノウ"
}
}
*/
client: {
nicosid: string;
watchId: string;
watchTrackId: string;
};
genre: {
key: string;
label: string;
isImmoral: boolean;
isDisabled: boolean;
isNotSet: boolean;
};
media: {
domand: {
videos: {
id: string;
isAvailable: boolean;
label: string;
bitRate: number;
width: number;
height: number;
qualityLevel: number;
recommendedHighestAudioQualityLevel: number;
}[];
audios: {
id: string;
isAvailable: boolean;
bitRate: number;
samplingRate: number;
integratedLoudnessintegratedLoudness: number;
truePeak: number;
qualityLevel: number;
loudnessCollection: {
type: string;
value: number;
}[];
}[];
isStoryboardAvailable: boolean | null;
accessRightKey: string;
};
delivery: object | null;
deliveryLegacy: object | null;
};
tag: {
items: {
name: string;
isLocked: boolean;
}[];
};
video: {
id: string;
title: string;
description: string;
count: {
view: number;
comment: number;
mylist: number;
like: number;
};
duration: number;
thumbnail: {
url: string;
middleUrl: string | null;
largeUrl: string | null;
player: string;
ogp: string;
};
registeredAt: string;
};
ownerNickname: string;
}>;
export type GenerateHlsSessionResponse = JsonAPIResponse<{
/*
{
"meta": {
"status": 201
},
"data": {
"contentUrl": "https://delivery.domand.nicovideo.jp/hlsbid/65361c1070b2ba9a714e625a/playlists/variants/98242b0e8e144626.m3u8?session=54eec16681fdfd3f67508da9718b863498242b0e8e14462600000000667ad11d76f33be01c6b2915&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9kZWxpdmVyeS5kb21hbmQubmljb3ZpZGVvLmpwL2hsc2JpZC82NTM2MWMxMDcwYjJiYTlhNzE0ZTYyNWEvcGxheWxpc3RzL3ZhcmlhbnRzLzk4MjQyYjBlOGUxNDQ2MjYubTN1OFxcPyoiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjE3MTkzMjQ5NTd9fX1dfQ__&Signature=iUfOfsePAAFzZSfiT4li2OXQHjSpyNqQ3kY3YwPNwKsHR3lmxDzLmcY5ZEWvAiI5bClGS0wtoxBl2XRkY-q0nnlA5uaYLe1pmdiTxyBvo~7TiqQ7493vJGI4avhiUp9uWf6Ow3ORi1sD3s~D0ExkU7lG-GcBIsNnL3SOwabS44UnlbyMyhTzdse9FZEYnZ-qHYZd-blaNnKGbP~MsohQUrptJ80-hKpJ2GDPjHS70TLEVVvrAw0Gg-29O4meQQHKHrUhrWRs8mo3yYPOw1RDVljs~GCtjwOyilPsKjyauSVqwWH79kuJQSQGGrNaarkHrmoDIndgG12n2MRsT8lB7g__&Key-Pair-Id=K11RB80NFXU134",
"createTime": "2024-06-24T23:15:57+09:00",
"expireTime": "2024-06-25T23:15:57+09:00"
}
}
*/
contentUrl: string;
createTime: string; // 2024-06-24T23:15:57+09:00
expireTime: string;
}>;
export type JsonAPIResponseBase = {
meta: {
status: number;
};
};
export type JsonAPIResponse<T> = JsonAPIResponseBase & {
data: T;
};
export type JsonListAPIResponse<T, L> = JsonAPIResponse<T> & {
list: L[];
};
export type PaginationData = {
dataCount: string;
hasNext: string;
hasPreview: string;
overFlg: string;
pageCount: string;
value: string;
};
export type LoginByDamtomoMemberIdResponse = {
authToken: string;
damtomoId: string;
};
export type GetMusicDetailResponse = {
artistCode: string;
artistName: string;
contentsId: string;
contentsYomi: string;
firstLine: string;
guideVocalList: {
contentsId: string;
duet: string;
playtime: string;
}[];
musicTypeList: {
musicTypeCode: string;
musicTypeId: string;
musicTypeName: string;
}[];
mylist: string;
requestNo: string;
songDifficulty: string;
songTechDifficulty: string;
thumbnailPathList: {
thumbnailPath: string;
thumbnailType: string;
}[];
value: string;
};
export type GetMusicStreamingURLResponseData = {
karaokeContentsId: string;
};
export type GetMusicStreamingURLResponseList = {
contentsId: string;
duet: string;
highBitrateUrl: string;
lowBitrateUrl: string;
};
export type GetMusicRankingTermResponseList = {
from: string;
to: string;
value: string;
};
export type GetMusicRankingResponseList = {
artistCd: string;
artistName: string;
contentsId: string;
contentsName: string;
female: string;
lyrics: string;
male: string;
mix: string;
normal: string;
ranking: string;
requestNo: string;
url: string;
viewable: string;
views: string;
};
export type SearchAutoCompleteResponse = {
keyword: string;
};
export type SearchAutoCompleteResponseList = {
targetWord: string;
};
export type GetNewReleaseMusicResponseList = {
artistCd: string;
artistName: string;
contentsId: string;
contentsName: string;
contentsYomi: string;
lyrics: string;
mylist: string;
requestNo: string;
streamKaraoke: string;
streamKaraokeList: {
contentsId: string;
contentsName: string;
contentsYomi: string;
duet: string;
karaokeContentsId: string;
playTime: string;
};
url: string;
};
export type SearchMusicResponse = {
hasNext: string;
hasPreview: string;
keyword: string;
overFlag: string;
pageCount: number;
pageNo: number;
totalCount: number;
};
export type SearchVariousByKeywordResponseList = {
animeFlag: string;
artist: string;
artistCode: number;
artistYomi: string;
damTomoMovieFlag: string;
damTomoPublicMovieFlag: string;
damTomoPublicRecordingFlag: string;
damTomoPublicVocalFlag: string;
futureReleaseFlag: string;
guideVocalFlag: string;
honninFlag: string;
kidsFlag: string;
liveFlag: string;
myListFlag: string;
newArrivalsFlag: string;
newReleaseFlag: string;
releaseDate: string;
requestNo: string;
scoreFlag: string;
shift: string;
title: string;
titleYomi: string;
};
export type SearchMusicByKeywordResponseList = {
animeFlag: string;
artist: string;
artistCode: number;
artistYomi: string;
damTomoMovieFlag: string;
futureReleaseFlag: string;
guideVocalFlag: string;
honninFlag: string;
kidsFlag: string;
liveFlag: string;
myListFlag: string;
newArrivalsFlag: string;
newReleaseFlag: string;
releaseDate: string;
requestNo: string;
scoreFlag: string;
shift: string;
title: string;
titleYomi: string;
};
export type SearchArtistByKeywordResponseList = {
artist: string;
artistCode: 40651;
artistYomi: string;
holdMusicCount: 1;
};
export type GetMusicListByArtistResponse = {
artist: string;
artistCode: number;
artistYomi_Kana: string;
hasNext: string;
hasPreview: string;
overFlag: string;
pageCount: number;
pageNo: number;
totalCount: number;
};
export type GetMusicListByArtistResponseList = {
animeFlag: string;
artist: string;
artistYomi: string;
damTomoMovieFlag: string;
damTomoPublicMovieFlag: string;
damTomoPublicRecordingFlag: string;
damTomoPublicVocalFlag: string;
futureReleaseFlag: string;
guideVocalFlag: string;
honninFlag: string;
kidsFlag: string;
liveFlag: string;
myListFlag: string;
newArrivalsFlag: string;
newReleaseFlag: string;
releaseDate: string;
requestNo: string;
scoreFlag: string;
shift: string;
title: string;
titleYomi: string;
};

190
src/utils.ts Normal file
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import { CriUserAgent, UserAgent } from './constants';
import { Parser } from 'm3u8-parser';
import * as crypto from 'crypto';
import fs from 'fs';
type Manifest = {
allowCache: boolean;
endList: boolean;
mediaSequence: number;
discontinuitySequence: number;
targetDuration: number;
discontinuityStarts: number[];
segments: {
duration: number;
uri: string;
timeline: number;
key: {
method: string;
uri: string;
iv: Record<string, number>;
};
}[];
mediaGroups: {
AUDIO: {
[key: string]: {
default: string;
autoselect: boolean;
uri: string;
};
};
VIDEO: {
[key: string]: {
default: string;
autoselect: boolean;
uri: string;
};
};
'CLOSED-CAPTIONS': {
[key: string]: {
default: string;
autoselect: boolean;
uri: string;
};
};
SUBTITLES: {
[key: string]: {
default: string;
autoselect: boolean;
uri: string;
};
};
};
playlists: {
attributes: {
AUDIO: string;
'FRAME-RATE': number;
RESOLUTION: {
width: number;
height: number;
};
CODECS: string;
'AVERAGE-BANDWIDTH': string;
BANDWIDTH: number;
};
uri: string;
timeline: number;
}[];
};
export function getMediaPair(targetVideoId: string, targetAudioId: string, m3u8: string) {
const parser = new Parser();
parser.push(m3u8);
parser.end();
const manifest: Manifest = parser.manifest;
const audio = manifest.mediaGroups.AUDIO[targetAudioId];
const video = manifest.playlists.find(playlist => playlist.uri.includes(targetVideoId));
return {
audio,
video,
};
}
export const downloadAesM3u8 = async (url: string, cookie: string) => {
const m3u8 = await fetch(url, {
headers: {
Cookie: cookie,
'User-Agent': UserAgent,
},
}).then(res => res.text());
const parser = new Parser();
parser.push(m3u8);
parser.end();
const manifest: Manifest = parser.manifest;
// console.log(JSON.stringify(manifest, null, 2));
const initSegment = await fetch(manifest.segments[0].map.uri, {
headers: {
Cookie: cookie,
'User-Agent': UserAgent,
},
}).then(res => res.arrayBuffer());
const iv = Buffer.alloc(Object.keys(manifest.segments[0].key.iv).length * 4);
for (const key in manifest.segments[0].key.iv) {
iv.writeUInt32BE(manifest.segments[0].key.iv[key], parseInt(key) * 4);
}
const key = await fetch(manifest.segments[0].key.uri, {
headers: {
Cookie: cookie,
'User-Agent': UserAgent,
},
}).then(res => res.arrayBuffer());
const decipher = crypto.createDecipheriv('aes-128-cbc', Buffer.from(key), iv);
const segments: Buffer[] = [];
segments.push(Buffer.from(initSegment));
let i = 0;
for (const segment of manifest.segments) {
const res = await fetch(segment.uri, {
headers: {
Cookie: cookie,
'User-Agent': UserAgent,
},
});
const buffer = await res.arrayBuffer();
const arrayBufferView = new Uint8Array(buffer);
let decrypted = decipher.update(arrayBufferView);
if (i > 0) {
decrypted = decrypted.subarray(32, decrypted.length)
}
fs.writeFileSync(`${i}.mp4`, Buffer.from(decrypted));
segments.push(decrypted);
i++;
}
segments.push(decipher.final());
const blob = new Blob(segments, { type: 'video/mp4' });
return blob.arrayBuffer();
};
export function bufferToHexString(buffer: Buffer) {
return Array.prototype.map
.call(buffer, function (x: number) {
return ('00' + x.toString(16)).slice(-2);
})
.join('');
}
export function objToUrlParams(obj: Record<string, string | number>) {
return Object.keys(obj)
.map(key => `${encodeURIComponent(key)}=${encodeURIComponent(obj[key])}`)
.join('&');
}
export function objToCookieString(obj: Record<string, string>) {
return Object.keys(obj)
.map(key => `${encodeURIComponent(key)}=${encodeURIComponent(obj[key])}`)
.join('; ');
}
export function cookieStringToObj(cookieString: string) {
const obj: Record<string, string> = {};
cookieString.split(';').forEach(cookie => {
const [key, value] = cookie.trim().split('=');
obj[key] = value;
});
return obj;
}

109
tsconfig.json Normal file
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@ -0,0 +1,109 @@
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "esnext", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "jsx": "preserve", /* Specify what JSX code is generated. */
// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
/* Modules */
"module": "commonjs", /* Specify what module code is generated. */
"rootDir": "src", /* Specify the root folder within your source files. */
// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
// "resolveJsonModule": true, /* Enable importing .json files. */
// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
"outDir": "dist", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true /* Skip type checking all .d.ts files. */
}
}