好！第二天解决这个问题。。。我将感谢任何关于这方面的意见：
我使用的解决方案如下：https://github.com/databoxtech/nestjs-multi_tenant-multiple-database
我下载了解决方案，将软件包更新为最新版本，如下所示：package.json
{
"name": "school-graph",
"version": "0.0.1",
"description": "",
"author": "",
"private": true,
"license": "UNLICENSED",
"scripts": {
"prebuild": "rimraf dist",
"build": "nest build",
"format": "prettier --write "src/**/*.ts" "test/**/*.ts"",
"start": "nest start",
"start:dev": "nest start --watch",
"start:debug": "nest start --debug --watch",
"start:prod": "node dist/main",
"lint": "eslint "{src,apps,libs,test}/**/*.ts" --fix",
"test": "jest",
"test:watch": "jest --watch",
"test:cov": "jest --coverage",
"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
"test:e2e": "jest --config ./test/jest-e2e.json"
},
"dependencies": {
"@nestjs/common": "^7.6.5",
"@nestjs/core": "^7.6.5",
"@nestjs/graphql": "^7.9.8",
"@nestjs/jwt": "^7.2.0",
"@nestjs/mongoose": "^7.2.2",
"@nestjs/passport": "^7.1.5",
"@nestjs/platform-express": "^7.6.5",
"graphql": "^15.4.0",
"graphql-tools": "^7.0.2",
"mongoose": "^5.11.13",
"passport": "^0.4.1",
"passport-jwt": "^4.0.0",
"passport-local": "^1.0.0",
"reflect-metadata": "^0.1.13",
"rimraf": "^3.0.2",
"rxjs": "^6.6.3"
},
"devDependencies": {
"@nestjs/cli": "^7.5.4",
"@nestjs/schematics": "^7.2.7",
"@nestjs/testing": "^7.6.5",
"@types/passport-jwt": "^3.0.3",
"@types/passport-local": "^1.0.33",
"@types/supertest": "^2.0.10",
"@typescript-eslint/eslint-plugin": "^4.14.1",
"@typescript-eslint/parser": "^4.14.1",
"eslint": "^7.18.0",
"eslint-config-prettier": "^7.2.0",
"eslint-plugin-import": "^2.22.1",
"jest": "^26.6.3",
"prettier": "^2.2.1",
"supertest": "^6.1.2",
"ts-jest": "^26.4.4",
"ts-loader": "^8.0.14",
"ts-node": "^9.1.1",
"tsconfig-paths": "^3.9.0",
"typescript": "^4.1.3"
},
"jest": {
"moduleFileExtensions": [
"js",
"json",
"ts"
],
"rootDir": "src",
"testRegex": ".spec.ts$",
"transform": {
"^.+\.(t|j)s$": "ts-jest"
},
"coverageDirectory": "../coverage",
"testEnvironment": "node"
}
}
运行npm run start后，我得到以下错误：
src/database/students/students.module.ts:9:58 - error TS2322: Type 'Schema<Student, Model<Student>>' is not assignable to type 'Schema<Document<any>, Model<Document<any>>>'.
Type 'Model<Student>' is not assignable to type 'Model<Document<any>>'.
The types returned by 'createCollection(...)' are incompatible between these types.
Type 'Promise<Collection<Student>>' is not assignable to type 'Promise<Collection<Document<any>>>'.
Type 'Collection<Student>' is not assignable to type 'Collection<Document<any>>'.
Types of property 'bulkWrite' are incompatible.
Type '{ (operations: BulkWriteOperation<Student>[], callback: MongoCallback<BulkWriteOpResultObject>): void; (operations: BulkWriteOperation<...>[], options?: CollectionBulkWriteOptions): Promise<...>; (operations: BulkWriteOperation<...>[], options: CollectionBulkWriteOptions, callback: MongoCallback<...>): void; }' is not assignable to type '{ (operations: BulkWriteOperation<Document<any>>[], callback: MongoCallback<BulkWriteOpResultObject>): void; (operations: BulkWriteOperation<...>[], options?: CollectionBulkWriteOptions): Promise<...>; (operations: BulkWriteOperation<...>[], options: CollectionBulkWriteOptions, callback: MongoCallback<...>): void; }'.
Types of parameters 'operations' and 'operations' are incompatible.
Type 'BulkWriteOperation<Document<any>>[]' is not assignable to type 'BulkWriteOperation<Student>[]'.
Type 'BulkWriteOperation<Document<any>>' is not assignable to type 'BulkWriteOperation<Student>'.
Type 'BulkWriteInsertOneOperation<Document<any>>' is not assignable to type 'BulkWriteOperation<Student>'.
Type 'BulkWriteInsertOneOperation<Document<any>>' is not assignable to type 'BulkWriteInsertOneOperation<Student>'.
The types of 'insertOne.document' are incompatible between these types.
Type 'Pick<Document<any>, "update" | "get" | "delete" | "set" | "invalidate" | "populate" | "__v" | "$ignore" | "$isDefault" | "$isDeleted" | "$isEmpty" | "$isValid" | "$locals" | ... 39 more ... | "validateSync"> & { ...; }' is not assignable to type 'Pick<Student, "update" | "get" | "delete" | "set" | "invalidate" | "populate" | "__v" | "$ignore" | "$isDefault" | "$isDeleted" | "$isEmpty" | "$isValid" | "$locals" | ... 41 more ... | "birthday"> & { ...; }'.
Type 'Pick<Document<any>, "update" | "get" | "delete" | "set" | "invalidate" | "populate" | "__v" | "$ignore" | "$isDefault" | "$isDeleted" | "$isEmpty" | "$isValid" | "$locals" | ... 39 more ... | "validateSync"> & { ...; }' is missing the following properties from type 'Pick<Student, "update" | "get" | "delete" | "set" | "invalidate" | "populate" | "__v" | "$ignore" | "$isDefault" | "$isDeleted" | "$isEmpty" | "$isValid" | "$locals" | ... 41 more ... | "birthday">': name, birthday
9 imports: [TenancyModule.forFeature([{ name: 'Student', schema: StudentSchema }])],
~~~~~~
src/tenancy/interfaces/model-definition.interface.ts:5:5
5 schema: Schema;
~~~~~~
The expected type comes from property 'schema' which is declared here on type 'ModelDefinition'
Found 1 error(s).
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! school-graph@0.0.1 start: `nest start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the school-graph@0.0.1 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
完整的日志如下所示：
0 info it worked if it ends with ok
1 verbose cli [
1 verbose cli 'C:\Program Files\nodejs\node.exe',
1 verbose cli 'C:\Users\USERNAME\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js',
1 verbose cli 'run',
1 verbose cli 'start'
1 verbose cli ]
2 info using npm@6.14.11
3 info using node@v14.15.4
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle school-graph@0.0.1~prestart: school-graph@0.0.1
6 info lifecycle school-graph@0.0.1~start: school-graph@0.0.1
7 verbose lifecycle school-graph@0.0.1~start: unsafe-perm in lifecycle true
8 verbose lifecycle school-graph@0.0.1~start: PATH: C:UsersUSERNAMEAppDataRoamingnpmnode_modulesnpmnode_modulesnpm-lifecyclenode-gyp-bin;C:UsersUSERNAMEDownloadsnestjsnode_modules.bin;C:Python39Scripts;C:Python39;C:Program Files (x86)VMwareVMware Workstationbin;C:WINDOWSsystem32;C:WINDOWS;C:WINDOWSSystem32Wbem;C:WINDOWSSystem32WindowsPowerShellv1.0;C:WINDOWSSystem32OpenSSH;C:Program FilesIntelWiFibin;C:Program FilesCommon FilesIntelWirelessCommon;C:Program Filesnodejs;C:ProgramDatachocolateybin;C:Program FilesGitcmd;C:UsersUSERNAMEAppDataLocalMicrosoftWindowsApps;;C:UsersUSERNAMEAppDataLocalProgramsMicrosoft VS Codebin;C:UsersUSERNAMEAppDataRoamingnpm
9 verbose lifecycle school-graph@0.0.1~start: CWD: C:UsersUSERNAMEDownloadsnestjs
10 silly lifecycle school-graph@0.0.1~start: Args: [ '/d /s /c', 'nest start' ]
11 silly lifecycle school-graph@0.0.1~start: Returned: code: 1 signal: null
12 info lifecycle school-graph@0.0.1~start: Failed to exec start script
13 verbose stack Error: school-graph@0.0.1 start: `nest start`
13 verbose stack Exit status 1
13 verbose stack at EventEmitter.<anonymous> (C:UsersUSERNAMEAppDataRoamingnpmnode_modulesnpmnode_modulesnpm-lifecycleindex.js:332:16)
13 verbose stack at EventEmitter.emit (events.js:315:20)
13 verbose stack at ChildProcess.<anonymous> (C:UsersUSERNAMEAppDataRoamingnpmnode_modulesnpmnode_modulesnpm-lifecyclelibspawn.js:55:14)
13 verbose stack at ChildProcess.emit (events.js:315:20)
13 verbose stack at maybeClose (internal/child_process.js:1048:16)
13 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
14 verbose pkgid school-graph@0.0.1
15 verbose cwd C:UsersUSERNAMEDownloadsnestjs
16 verbose Windows_NT 10.0.19042
17 verbose argv "C:\Program Files\nodejs\node.exe" "C:\Users\USERNAME\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js" "run" "start"
18 verbose node v14.15.4
19 verbose npm v6.14.11
20 error code ELIFECYCLE
21 error errno 1
22 error school-graph@0.0.1 start: `nest start`
22 error Exit status 1
23 error Failed at the school-graph@0.0.1 start script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 1, true ]
你知道问题出在哪里吗？
@nestjs/mongoose@7.2.2似乎不适用于mongoose版本>=5.11.11。
解决方案
降级到5.11.10，它起作用。
npm install mongoose@5.11.10
npm uninstall @types/mongoose
(uninstall行适用于来自谷歌的用户，您似乎已经删除了@types/mongoose包，该包仅适用于Mongoose 5.10及以下版本)
原因
从Mongoose 5.11开始，Mongoose中包含了类型。因此，几乎没有类型差异。
自从类型被转移以来，已经有很多关于这方面的错误被提交。这里和这里甚至更多。
替代解决方案
降级Mongoose包
如果你遇到更多问题，你也可以降级你的猫鼬相关包
npm i @nestjs/mongoose@7.1.2 mongoose@5.10 @types/mongoose@5.10
禁用依赖项的类型检查
如果你真的可以通过在tsconfig.json中添加这一行来跳过node_modules的类型检查
"skipLibCheck": true,
标准警告适用。
一般警告
一般来说，只有一个提交和0颗星的GitHub代码通常不适合生产。尤其是当它基于一个有9颗星的存储库时，它会复制和修改代码，而不是重新打包(这使得合并修复程序变得更加困难)。
话虽如此，这里可能会有一些不错的工作。