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Merge branch 'develop' into swn

This commit is contained in:
tamaina 2021-10-21 02:21:22 +09:00
parent 20649f5ae1 69b56f6658
commit 2cbee47c73
20 changed files with 412 additions and 60 deletions
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4
CHANGELOG.md
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@ -19,9 +19,13 @@
- クライアント: 新しいライトテーマを追加
- API: ユーザーのリアクション一覧を取得する users/reactions を追加
- API: users/search および users/search-by-username-and-host を強化
- ミュート及びブロックのインポートを行えるように
- クライアント: /share のクエリでリプライやファイル等の情報を渡せるように
### Bugfixes
- クライアント: テーマの管理が行えない問題を修正
- API: アプリケーション通知が取得できない問題を修正
- ActivityPub: not reacted な Undo.Like がinboxに滞留するのを修正
## 12.92.0 (2021/10/16)

3
CONTRIBUTING.md
View File

@ -171,6 +171,9 @@ const users = userIds.length > 0 ? await Users.find({
SQLでは配列のインデックスは**1始まり**。
`[a, b, c]`の `a`にアクセスしたいなら`[0]`ではなく`[1]`と書く
### null IN
nullが含まれる可能性のあるカラムにINするときは、そのままだとおかしくなるのでORなどでnullのハンドリングをしよう。
### `undefined`にご用心
MongoDBの時とは違い、findOneでレコードを取得する時に対象レコードが存在しない場合 **`undefined`** が返ってくるので注意。
MongoDBは`null`で返してきてたので、その感覚で`if (x === null)`とか書くとバグる。代わりに`if (x == null)`と書いてください

6
src/client/components/global/header.vue
View File

@ -203,6 +203,12 @@ export default defineComponent({
&.thin {
--height: 50px;
> .buttons {
> .button {
font-size: 0.9em;
}
}
}
&.slim {

2
src/client/components/mfm.ts
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@ -185,7 +185,7 @@ export default defineComponent({
}
}
if (style == null) {
return h('span', {}, ['[', token.props.name, ' ', ...genEl(token.children), ']']);
return h('span', {}, ['$[', token.props.name, ' ', ...genEl(token.children), ']']);
} else {
return h('span', {
style: 'display: inline-block;' + style,

20
src/client/pages/settings/import-export.vue
View File

@ -16,11 +16,13 @@
</FormSection>
<FormSection>
<template #label>{{ $ts._exportOrImport.muteList }}</template>
<MkButton :class="$style.button" inline @click="doExport('mute')"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
<MkButton :class="$style.button" inline @click="doExport('muting')"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
<MkButton :class="$style.button" inline @click="doImport('muting', $event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
</FormSection>
<FormSection>
<template #label>{{ $ts._exportOrImport.blockingList }}</template>
<MkButton :class="$style.button" inline @click="doExport('blocking')"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
<MkButton :class="$style.button" inline @click="doImport('blocking', $event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
</FormSection>
</div>
</template>
@ -58,11 +60,11 @@ export default defineComponent({
methods: {
doExport(target) {
os.api(
target == 'notes' ? 'i/export-notes' :
target == 'following' ? 'i/export-following' :
target == 'blocking' ? 'i/export-blocking' :
target == 'user-lists' ? 'i/export-user-lists' :
target == 'mute' ? 'i/export-mute' :
target === 'notes' ? 'i/export-notes' :
target === 'following' ? 'i/export-following' :
target === 'blocking' ? 'i/export-blocking' :
target === 'user-lists' ? 'i/export-user-lists' :
target === 'muting' ? 'i/export-mute' :
null, {})
.then(() => {
os.dialog({
@ -81,8 +83,10 @@ export default defineComponent({
const file = await selectFile(e.currentTarget || e.target);
os.api(
target == 'following' ? 'i/import-following' :
target == 'user-lists' ? 'i/import-user-lists' :
target === 'following' ? 'i/import-following' :
target === 'user-lists' ? 'i/import-user-lists' :
target === 'muting' ? 'i/import-muting' :
target === 'blocking' ? 'i/import-blocking' :
null, {
fileId: file.id
}).then(() => {

20
src/queue/index.ts
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@ -163,6 +163,26 @@ export function createImportFollowingJob(user: ThinUser, fileId: DriveFile['id']
});
}
export function createImportMutingJob(user: ThinUser, fileId: DriveFile['id']) {
return dbQueue.add('importMuting', {
user: user,
fileId: fileId
}, {
removeOnComplete: true,
removeOnFail: true
});
}
export function createImportBlockingJob(user: ThinUser, fileId: DriveFile['id']) {
return dbQueue.add('importBlocking', {
user: user,
fileId: fileId
}, {
removeOnComplete: true,
removeOnFail: true
});
}
export function createImportUserListsJob(user: ThinUser, fileId: DriveFile['id']) {
return dbQueue.add('importUserLists', {
user: user,

74
src/queue/processors/db/import-blocking.ts Normal file
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@ -0,0 +1,74 @@
import * as Bull from 'bull';
import { queueLogger } from '../../logger';
import { parseAcct } from '@/misc/acct';
import { resolveUser } from '@/remote/resolve-user';
import { downloadTextFile } from '@/misc/download-text-file';
import { isSelfHost, toPuny } from '@/misc/convert-host';
import { Users, DriveFiles, Blockings } from '@/models/index';
import { DbUserImportJobData } from '@/queue/types';
import block from '@/services/blocking/create';
const logger = queueLogger.createSubLogger('import-blocking');
export async function importBlocking(job: Bull.Job<DbUserImportJobData>, done: any): Promise<void> {
logger.info(`Importing blocking of ${job.data.user.id} ...`);
const user = await Users.findOne(job.data.user.id);
if (user == null) {
done();
return;
}
const file = await DriveFiles.findOne({
id: job.data.fileId
});
if (file == null) {
done();
return;
}
const csv = await downloadTextFile(file.url);
let linenum = 0;
for (const line of csv.trim().split('\n')) {
linenum++;
try {
const acct = line.split(',')[0].trim();
const { username, host } = parseAcct(acct);
let target = isSelfHost(host!) ? await Users.findOne({
host: null,
usernameLower: username.toLowerCase()
}) : await Users.findOne({
host: toPuny(host!),
usernameLower: username.toLowerCase()
});
if (host == null && target == null) continue;
if (target == null) {
target = await resolveUser(username, host);
}
if (target == null) {
throw `cannot resolve user: @${username}@${host}`;
}
// skip myself
if (target.id === job.data.user.id) continue;
logger.info(`Block[${linenum}] ${target.id} ...`);
await block(user, target);
} catch (e) {
logger.warn(`Error in line:${linenum} ${e}`);
}
}
logger.succ('Imported');
done();
}

83
src/queue/processors/db/import-muting.ts Normal file
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@ -0,0 +1,83 @@
import * as Bull from 'bull';
import { queueLogger } from '../../logger';
import { parseAcct } from '@/misc/acct';
import { resolveUser } from '@/remote/resolve-user';
import { downloadTextFile } from '@/misc/download-text-file';
import { isSelfHost, toPuny } from '@/misc/convert-host';
import { Users, DriveFiles, Mutings } from '@/models/index';
import { DbUserImportJobData } from '@/queue/types';
import { User } from '@/models/entities/user';
import { genId } from '@/misc/gen-id';
const logger = queueLogger.createSubLogger('import-muting');
export async function importMuting(job: Bull.Job<DbUserImportJobData>, done: any): Promise<void> {
logger.info(`Importing muting of ${job.data.user.id} ...`);
const user = await Users.findOne(job.data.user.id);
if (user == null) {
done();
return;
}
const file = await DriveFiles.findOne({
id: job.data.fileId
});
if (file == null) {
done();
return;
}
const csv = await downloadTextFile(file.url);
let linenum = 0;
for (const line of csv.trim().split('\n')) {
linenum++;
try {
const acct = line.split(',')[0].trim();
const { username, host } = parseAcct(acct);
let target = isSelfHost(host!) ? await Users.findOne({
host: null,
usernameLower: username.toLowerCase()
}) : await Users.findOne({
host: toPuny(host!),
usernameLower: username.toLowerCase()
});
if (host == null && target == null) continue;
if (target == null) {
target = await resolveUser(username, host);
}
if (target == null) {
throw `cannot resolve user: @${username}@${host}`;
}
// skip myself
if (target.id === job.data.user.id) continue;
logger.info(`Mute[${linenum}] ${target.id} ...`);
await mute(user, target);
} catch (e) {
logger.warn(`Error in line:${linenum} ${e}`);
}
}
logger.succ('Imported');
done();
}
async function mute(user: User, target: User) {
await Mutings.insert({
id: genId(),
createdAt: new Date(),
muterId: user.id,
muteeId: target.id,
});
}

4
src/queue/processors/db/index.ts
View File

@ -9,6 +9,8 @@ import { exportUserLists } from './export-user-lists';
import { importFollowing } from './import-following';
import { importUserLists } from './import-user-lists';
import { deleteAccount } from './delete-account';
import { importMuting } from './import-muting';
import { importBlocking } from './import-blocking';
const jobs = {
deleteDriveFiles,
@ -18,6 +20,8 @@ const jobs = {
exportBlocking,
exportUserLists,
importFollowing,
importMuting,
importBlocking,
importUserLists,
deleteAccount,
} as Record<string, Bull.ProcessCallbackFunction<DbJobData> | Bull.ProcessPromiseFunction<DbJobData>>;

6
src/remote/activitypub/kernel/undo/like.ts
View File

@ -12,6 +12,10 @@ export default async (actor: IRemoteUser, activity: ILike) => {
const note = await fetchNote(targetUri);
if (!note) return `skip: target note not found ${targetUri}`;
await deleteReaction(actor, note);
await deleteReaction(actor, note).catch(e => {
if (e.id === '60527ec9-b4cb-4a88-a6bd-32d3ad26817d') return;
throw e;
});
return `ok`;
};

60
src/server/api/endpoints/i/import-blocking.ts Normal file
View File

@ -0,0 +1,60 @@
import $ from 'cafy';
import { ID } from '@/misc/cafy-id';
import define from '../../define';
import { createImportBlockingJob } from '@/queue/index';
import * as ms from 'ms';
import { ApiError } from '../../error';
import { DriveFiles } from '@/models/index';
export const meta = {
secure: true,
requireCredential: true as const,
limit: {
duration: ms('1hour'),
max: 1,
},
params: {
fileId: {
validator: $.type(ID),
}
},
errors: {
noSuchFile: {
message: 'No such file.',
code: 'NO_SUCH_FILE',
id: 'ebb53e5f-6574-9c0c-0b92-7ca6def56d7e'
},
unexpectedFileType: {
message: 'We need csv file.',
code: 'UNEXPECTED_FILE_TYPE',
id: 'b6fab7d6-d945-d67c-dfdb-32da1cd12cfe'
},
tooBigFile: {
message: 'That file is too big.',
code: 'TOO_BIG_FILE',
id: 'b7fbf0b1-aeef-3b21-29ef-fadd4cb72ccf'
},
emptyFile: {
message: 'That file is empty.',
code: 'EMPTY_FILE',
id: '6f3a4dcc-f060-a707-4950-806fbdbe60d6'
},
}
};
export default define(meta, async (ps, user) => {
const file = await DriveFiles.findOne(ps.fileId);
if (file == null) throw new ApiError(meta.errors.noSuchFile);
//if (!file.type.endsWith('/csv')) throw new ApiError(meta.errors.unexpectedFileType);
if (file.size > 50000) throw new ApiError(meta.errors.tooBigFile);
if (file.size === 0) throw new ApiError(meta.errors.emptyFile);
createImportBlockingJob(user, file.id);
});

60
src/server/api/endpoints/i/import-muting.ts Normal file
View File

@ -0,0 +1,60 @@
import $ from 'cafy';
import { ID } from '@/misc/cafy-id';
import define from '../../define';
import { createImportMutingJob } from '@/queue/index';
import * as ms from 'ms';
import { ApiError } from '../../error';
import { DriveFiles } from '@/models/index';
export const meta = {
secure: true,
requireCredential: true as const,
limit: {
duration: ms('1hour'),
max: 1,
},
params: {
fileId: {
validator: $.type(ID),
}
},
errors: {
noSuchFile: {
message: 'No such file.',
code: 'NO_SUCH_FILE',
id: 'e674141e-bd2a-ba85-e616-aefb187c9c2a'
},
unexpectedFileType: {
message: 'We need csv file.',
code: 'UNEXPECTED_FILE_TYPE',
id: '568c6e42-c86c-ba09-c004-517f83f9f1a8'
},
tooBigFile: {
message: 'That file is too big.',
code: 'TOO_BIG_FILE',
id: '9b4ada6d-d7f7-0472-0713-4f558bd1ec9c'
},
emptyFile: {
message: 'That file is empty.',
code: 'EMPTY_FILE',
id: 'd2f12af1-e7b4-feac-86a3-519548f2728e'
},
}
};
export default define(meta, async (ps, user) => {
const file = await DriveFiles.findOne(ps.fileId);
if (file == null) throw new ApiError(meta.errors.noSuchFile);
//if (!file.type.endsWith('/csv')) throw new ApiError(meta.errors.unexpectedFileType);
if (file.size > 50000) throw new ApiError(meta.errors.tooBigFile);
if (file.size === 0) throw new ApiError(meta.errors.emptyFile);
createImportMutingJob(user, file.id);
});

11
src/server/api/endpoints/i/notifications.ts
View File

@ -6,6 +6,7 @@ import { makePaginationQuery } from '../../common/make-pagination-query';
import { Notifications, Followings, Mutings, Users } from '@/models/index';
import { notificationTypes } from '@/types';
import read from '@/services/note/read';
import { Brackets } from 'typeorm';
export const meta = {
tags: ['account', 'notifications'],
@ -94,10 +95,16 @@ export default define(meta, async (ps, user) => {
.leftJoinAndSelect('reply.user', 'replyUser')
.leftJoinAndSelect('renote.user', 'renoteUser');
query.andWhere(`notification.notifierId NOT IN (${ mutingQuery.getQuery() })`);
query.andWhere(new Brackets(qb => { qb
.where(`notification.notifierId NOT IN (${ mutingQuery.getQuery() })`)
.orWhere('notification.notifierId IS NULL');
}));
query.setParameters(mutingQuery.getParameters());
query.andWhere(`notification.notifierId NOT IN (${ suspendedQuery.getQuery() })`);
query.andWhere(new Brackets(qb => { qb
.where(`notification.notifierId NOT IN (${ suspendedQuery.getQuery() })`)
.orWhere('notification.notifierId IS NULL');
}));
if (ps.following) {
query.andWhere(`((notification.notifierId IN (${ followingQuery.getQuery() })) OR (notification.notifierId = :meId))`, { meId: user.id });

2
src/server/api/endpoints/mute/create.ts
View File

@ -67,7 +67,7 @@ export default define(meta, async (ps, user) => {
}
// Create mute
await Mutings.save({
await Mutings.insert({
id: genId(),
createdAt: new Date(),
muterId: muter.id,

51
src/server/api/endpoints/users/search-by-username-and-host.ts
View File

@ -1,8 +1,9 @@
import $ from 'cafy';
import define from '../../define';
import { Users } from '@/models/index';
import { Followings, Users } from '@/models/index';
import { Brackets } from 'typeorm';
import { USER_ACTIVE_THRESHOLD } from '@/const';
import { User } from '@/models/entities/user';
export const meta = {
tags: ['users'],
@ -18,11 +19,6 @@ export const meta = {
validator: $.optional.nullable.str,
},
offset: {
validator: $.optional.num.min(0),
default: 0,
},
limit: {
validator: $.optional.num.range(1, 100),
default: 10,
@ -60,35 +56,60 @@ export default define(meta, async (ps, me) => {
q.andWhere('user.updatedAt IS NOT NULL');
q.orderBy('user.updatedAt', 'DESC');
const users = await q.take(ps.limit!).skip(ps.offset).getMany();
const users = await q.take(ps.limit!).getMany();
return await Users.packMany(users, me, { detail: ps.detail });
} else if (ps.username) {
let users = await Users.createQueryBuilder('user')
.where('user.host IS NULL')
let users: User[] = [];
if (me) {
const followingQuery = Followings.createQueryBuilder('following')
.select('following.followeeId')
.where('following.followerId = :followerId', { followerId: me.id });
const query = Users.createQueryBuilder('user')
.where(`user.id IN (${ followingQuery.getQuery() })`)
.andWhere(`user.id != :meId`, { meId: me.id })
.andWhere('user.isSuspended = FALSE')
.andWhere('user.usernameLower LIKE :username', { username: ps.username.toLowerCase() + '%' })
.andWhere(new Brackets(qb => { qb
.where('user.updatedAt IS NULL')
.orWhere('user.updatedAt > :activeThreshold', { activeThreshold: activeThreshold });
}))
.orderBy('user.updatedAt', 'DESC', 'NULLS LAST')
}));
query.setParameters(followingQuery.getParameters());
users = await query
.orderBy('user.usernameLower', 'ASC')
.take(ps.limit!)
.skip(ps.offset)
.getMany();
if (users.length < ps.limit!) {
const otherUsers = await Users.createQueryBuilder('user')
.where('user.host IS NOT NULL')
const otherQuery = await Users.createQueryBuilder('user')
.where(`user.id NOT IN (${ followingQuery.getQuery() })`)
.andWhere(`user.id != :meId`, { meId: me.id })
.andWhere('user.isSuspended = FALSE')
.andWhere('user.usernameLower LIKE :username', { username: ps.username.toLowerCase() + '%' })
.andWhere('user.updatedAt IS NOT NULL')
.andWhere('user.updatedAt IS NOT NULL');
otherQuery.setParameters(followingQuery.getParameters());
const otherUsers = await otherQuery
.orderBy('user.updatedAt', 'DESC')
.take(ps.limit! - users.length)
.getMany();
users = users.concat(otherUsers);
}
} else {
users = await Users.createQueryBuilder('user')
.where('user.isSuspended = FALSE')
.andWhere('user.usernameLower LIKE :username', { username: ps.username.toLowerCase() + '%' })
.andWhere('user.updatedAt IS NOT NULL')
.orderBy('user.updatedAt', 'DESC')
.take(ps.limit! - users.length)
.getMany();
}
return await Users.packMany(users, me, { detail: ps.detail });
}

4
src/server/api/stream/channels/antenna.ts
View File

@ -20,7 +20,7 @@ export default class extends Channel {
}
@autobind
private async onEvent(data: StreamMessages['antenna']['spec']) {
private async onEvent(data: StreamMessages['antenna']['payload']) {
if (data.type === 'note') {
const note = await Notes.pack(data.body.id, this.user, { detail: true });
@ -32,6 +32,8 @@ export default class extends Channel {
this.connection.cacheNote(note);
this.send('note', note);
} else {
this.send(data.type, data.body);
}
}

2
src/server/api/stream/channels/channel.ts
View File

@ -53,7 +53,7 @@ export default class extends Channel {
}
@autobind
private onEvent(data: StreamMessages['channel']['spec']) {
private onEvent(data: StreamMessages['channel']['payload']) {
if (data.type === 'typing') {
const id = data.body;
const begin = this.typers[id] == null;

2
src/server/api/stream/channels/messaging.ts
View File

@ -47,7 +47,7 @@ export default class extends Channel {
}
@autobind
private onEvent(data: StreamMessages['messaging']['spec'] | StreamMessages['groupMessaging']['spec']) {
private onEvent(data: StreamMessages['messaging']['payload'] | StreamMessages['groupMessaging']['payload']) {
if (data.type === 'typing') {
const id = data.body;
const begin = this.typers[id] == null;

6
src/server/api/stream/index.ts
View File

@ -63,7 +63,7 @@ export default class Connection {
}
@autobind
private onUserEvent(data: StreamMessages['user']['spec']) { // { type, body }と展開すると型も展開されてしまう
private onUserEvent(data: StreamMessages['user']['payload']) { // { type, body }と展開するとそれぞれ型が分離してしまう
switch (data.type) {
case 'follow':
this.following.add(data.body.id);
@ -144,7 +144,7 @@ export default class Connection {
}
@autobind
private onBroadcastMessage(data: StreamMessages['broadcast']['spec']) {
private onBroadcastMessage(data: StreamMessages['broadcast']['payload']) {
this.sendMessageToWs(data.type, data.body);
}
@ -248,7 +248,7 @@ export default class Connection {
}
@autobind
private async onNoteStreamMessage(data: StreamMessages['note']['spec']) {
private async onNoteStreamMessage(data: StreamMessages['note']['payload']) {
this.sendMessageToWs('noteUpdated', {
id: data.body.id,
type: data.type,

34
src/server/api/stream/types.ts
View File

@ -222,73 +222,73 @@ type EventUnionFromDictionary<
export type StreamMessages = {
internal: {
name: 'internal';
spec: EventUnionFromDictionary<InternalStreamTypes>;
payload: EventUnionFromDictionary<InternalStreamTypes>;
};
broadcast: {
name: 'broadcast';
spec: EventUnionFromDictionary<BroadcastTypes>;
payload: EventUnionFromDictionary<BroadcastTypes>;
};
user: {
name: `user:${User['id']}`;
spec: EventUnionFromDictionary<UserStreamTypes>;
payload: EventUnionFromDictionary<UserStreamTypes>;
};
main: {
name: `mainStream:${User['id']}`;
spec: EventUnionFromDictionary<MainStreamTypes>;
payload: EventUnionFromDictionary<MainStreamTypes>;
};
drive: {
name: `driveStream:${User['id']}`;
spec: EventUnionFromDictionary<DriveStreamTypes>;
payload: EventUnionFromDictionary<DriveStreamTypes>;
};
note: {
name: `noteStream:${Note['id']}`;
spec: EventUnionFromDictionary<NoteStreamEventTypes>;
payload: EventUnionFromDictionary<NoteStreamEventTypes>;
};
channel: {
name: `channelStream:${Channel['id']}`;
spec: EventUnionFromDictionary<ChannelStreamTypes>;
payload: EventUnionFromDictionary<ChannelStreamTypes>;
};
userList: {
name: `userListStream:${UserList['id']}`;
spec: EventUnionFromDictionary<UserListStreamTypes>;
payload: EventUnionFromDictionary<UserListStreamTypes>;
};
antenna: {
name: `antennaStream:${Antenna['id']}`;
spec: EventUnionFromDictionary<AntennaStreamTypes>;
payload: EventUnionFromDictionary<AntennaStreamTypes>;
};
messaging: {
name: `messagingStream:${User['id']}-${User['id']}`;
spec: EventUnionFromDictionary<MessagingStreamTypes>;
payload: EventUnionFromDictionary<MessagingStreamTypes>;
};
groupMessaging: {
name: `messagingStream:${UserGroup['id']}`;
spec: EventUnionFromDictionary<GroupMessagingStreamTypes>;
payload: EventUnionFromDictionary<GroupMessagingStreamTypes>;
};
messagingIndex: {
name: `messagingIndexStream:${User['id']}`;
spec: EventUnionFromDictionary<MessagingIndexStreamTypes>;
payload: EventUnionFromDictionary<MessagingIndexStreamTypes>;
};
reversi: {
name: `reversiStream:${User['id']}`;
spec: EventUnionFromDictionary<ReversiStreamTypes>;
payload: EventUnionFromDictionary<ReversiStreamTypes>;
};
reversiGame: {
name: `reversiGameStream:${ReversiGame['id']}`;
spec: EventUnionFromDictionary<ReversiGameStreamTypes>;
payload: EventUnionFromDictionary<ReversiGameStreamTypes>;
};
admin: {
name: `adminStream:${User['id']}`;
spec: EventUnionFromDictionary<AdminStreamTypes>;
payload: EventUnionFromDictionary<AdminStreamTypes>;
};
notes: {
name: 'notesStream';
spec: Packed<'Note'>;
payload: Packed<'Note'>;
};
};
// API event definitions
// ストリームごとのEmitterの辞書を用意
type EventEmitterDictionary = { [x in keyof StreamMessages]: Emitter<EventEmitter, { [y in StreamMessages[x]['name']]: (e: StreamMessages[x]['spec']) => void }> };
type EventEmitterDictionary = { [x in keyof StreamMessages]: Emitter<EventEmitter, { [y in StreamMessages[x]['name']]: (e: StreamMessages[x]['payload']) => void }> };
// 共用体型を交差型にする型 https://stackoverflow.com/questions/54938141/typescript-convert-union-to-intersection
type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends ((k: infer I) => void) ? I : never;
// Emitter辞書から共用体型を作り、UnionToIntersectionで交差型にする