this seems to work quite good locally with both node_modules downloaded

backend/package.json

@@ -27,6 +27,7 @@
     "jest": "^27.2.4",
     "jsonwebtoken": "^8.5.1",
     "libsodium-wrappers": "^0.7.9",
+    "module-alias": "^2.2.2",
     "mysql2": "^2.3.0",
     "reflect-metadata": "^0.1.13",
     "ts-jest": "^27.0.5",
@@ -50,5 +51,8 @@
     "prettier": "^2.3.1",
     "ts-node": "^10.0.0",
     "typescript": "^4.3.4"
+  },
+  "_moduleAliases": {
+    "@entity"      : "../database/build/entity"
   }
 }

backend/src/index.ts

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import 'reflect-metadata'
+import 'module-alias/register'
 import express from 'express'
 import { ApolloServer } from 'apollo-server-express'
 

backend/tsconfig.json

@@ -45,7 +45,7 @@
 
     /* Module Resolution Options */
     // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
-    // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
+    "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
     "paths": {                                      /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
       "@entity/*": ["../database/entity/*"]
     },
@@ -70,5 +70,12 @@
     /* Advanced Options */
     "skipLibCheck": true,                           /* Skip type checking of declaration files. */
     "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
-  }
+  },
+  "references": [
+    {
+      "path": "../database/tsconfig.json",
+      // add 'prepend' if you want to include the referenced project in your output file
+      // "prepend": true,
+    }
+  ]
 }

backend/yarn.lock

@@ -4116,6 +4116,11 @@ mkdirp@^1.0.4:
   resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
+module-alias@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/module-alias/-/module-alias-2.2.2.tgz#151cdcecc24e25739ff0aa6e51e1c5716974c0e0"
+  integrity sha512-A/78XjoX2EmNvppVWEhM2oGk3x4lLxnkEA4jTbaK97QKSDjkIoOsKQlfylt/d3kKKi596Qy3NP5XrXJ6fZIC9Q==
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz"

database.d.ts

@@ -0,0 +1,165 @@
+/// <reference types="node" />
+declare module "entity/0001-init_db/Balance" {
+    import { BaseEntity } from 'typeorm';
+    export class Balance extends BaseEntity {
+        id: number;
+        userId: number;
+        modified: Date;
+        recordDate: Date;
+        amount: number;
+    }
+}
+declare module "entity/Balance" {
+    export { Balance } from "entity/0001-init_db/Balance";
+}
+declare module "entity/0001-init_db/Migration" {
+    import { BaseEntity } from 'typeorm';
+    export class Migration extends BaseEntity {
+        version: number;
+        fileName: string;
+        date: Date;
+    }
+}
+declare module "entity/Migration" {
+    export { Migration } from "entity/0001-init_db/Migration";
+}
+declare module "entity/0001-init_db/TransactionCreation" {
+    import { BaseEntity, Timestamp } from 'typeorm';
+    import { Transaction } from "entity/0001-init_db/Transaction";
+    export class TransactionCreation extends BaseEntity {
+        id: number;
+        transactionId: number;
+        userId: number;
+        amount: number;
+        targetDate: Timestamp;
+        transaction: Transaction;
+    }
+}
+declare module "entity/0001-init_db/TransactionSendCoin" {
+    import { BaseEntity } from 'typeorm';
+    import { Transaction } from "entity/0001-init_db/Transaction";
+    export class TransactionSendCoin extends BaseEntity {
+        id: number;
+        transactionId: number;
+        senderPublic: Buffer;
+        userId: number;
+        recipiantPublic: Buffer;
+        recipiantUserId: number;
+        amount: number;
+        transaction: Transaction;
+    }
+}
+declare module "entity/0001-init_db/Transaction" {
+    import { BaseEntity } from 'typeorm';
+    import { TransactionCreation } from "entity/0001-init_db/TransactionCreation";
+    import { TransactionSendCoin } from "entity/0001-init_db/TransactionSendCoin";
+    export class Transaction extends BaseEntity {
+        id: number;
+        transactionTypeId: number;
+        txHash: Buffer;
+        memo: string;
+        received: Date;
+        blockchainTypeId: number;
+        transactionSendCoin: TransactionSendCoin;
+        transactionCreation: TransactionCreation;
+    }
+}
+declare module "entity/Transaction" {
+    export { Transaction } from "entity/0001-init_db/Transaction";
+}
+declare module "entity/TransactionCreation" {
+    export { TransactionCreation } from "entity/0001-init_db/TransactionCreation";
+}
+declare module "entity/TransactionSendCoin" {
+    export { TransactionSendCoin } from "entity/0001-init_db/TransactionSendCoin";
+}
+declare module "entity/0002-add_settings/UserSetting" {
+    import { BaseEntity } from 'typeorm';
+    import { User } from "entity/0002-add_settings/User";
+    export class UserSetting extends BaseEntity {
+        id: number;
+        userId: number;
+        user: User;
+        key: string;
+        value: string;
+    }
+}
+declare module "entity/0002-add_settings/User" {
+    import { BaseEntity } from 'typeorm';
+    import { UserSetting } from "entity/0002-add_settings/UserSetting";
+    export class User extends BaseEntity {
+        id: number;
+        pubkey: Buffer;
+        email: string;
+        firstName: string;
+        lastName: string;
+        username: string;
+        disabled: boolean;
+        settings: UserSetting[];
+    }
+}
+declare module "entity/User" {
+    export { User } from "entity/0002-add_settings/User";
+}
+declare module "entity/UserSetting" {
+    export { UserSetting } from "entity/0002-add_settings/UserSetting";
+}
+declare module "entity/0001-init_db/UserTransaction" {
+    import { BaseEntity } from 'typeorm';
+    export class UserTransaction extends BaseEntity {
+        id: number;
+        userId: number;
+        transactionId: number;
+        transactionTypeId: number;
+        balance: number;
+        balanceDate: Date;
+    }
+}
+declare module "entity/UserTransaction" {
+    export { UserTransaction } from "entity/0001-init_db/UserTransaction";
+}
+declare module "entity/0001-init_db/User" {
+    import { BaseEntity } from 'typeorm';
+    export class User extends BaseEntity {
+        id: number;
+        pubkey: Buffer;
+        email: string;
+        firstName: string;
+        lastName: string;
+        username: string;
+        disabled: boolean;
+    }
+}
+declare module "migrations/0001-init_db" {
+    export function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>): Promise<void>;
+    export function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>): Promise<void>;
+}
+declare module "migrations/0002-add_settings" {
+    export function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>): Promise<void>;
+    export function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>): Promise<void>;
+}
+declare module "src/config/index" {
+    const CONFIG: {
+        MIGRATIONS_TABLE: string;
+        MIGRATIONS_DIRECTORY: string;
+        DB_HOST: string;
+        DB_PORT: number;
+        DB_USER: string;
+        DB_PASSWORD: string;
+        DB_DATABASE: string;
+    };
+    export default CONFIG;
+}
+declare module "src/prepare" {
+    const _default: () => Promise<void>;
+    export default _default;
+}
+declare module "src/typeorm/connection" {
+    import { Connection } from 'typeorm';
+    const connection: () => Promise<Connection | null>;
+    export default connection;
+}
+declare module "src/index" {
+    import 'reflect-metadata';
+}
+//# sourceMappingURL=database.d.ts.map

database.d.ts.map

@@ -0,0 +1 @@
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database.tsbuildinfo

@@ -0,0 +1 @@
+{"bundle":{"commonSourceDirectory":"./database","sourceFiles":["./database/entity/0001-init_db/Balance.ts","./database/entity/Balance.ts","./database/entity/0001-init_db/Migration.ts","./database/entity/Migration.ts","./database/entity/0001-init_db/TransactionCreation.ts","./database/entity/0001-init_db/TransactionSendCoin.ts","./database/entity/0001-init_db/Transaction.ts","./database/entity/Transaction.ts","./database/entity/TransactionCreation.ts","./database/entity/TransactionSendCoin.ts","./database/entity/0002-add_settings/UserSetting.ts","./database/entity/0002-add_settings/User.ts","./database/entity/User.ts","./database/entity/UserSetting.ts","./database/entity/0001-init_db/UserTransaction.ts","./database/entity/UserTransaction.ts","./database/entity/0001-init_db/User.ts","./database/migrations/0001-init_db.ts","./database/migrations/0002-add_settings.ts","./database/src/config/index.ts","./database/src/prepare.ts","./database/src/typeorm/connection.ts","./database/src/index.ts"],"js":{"sections":[{"pos":0,"end":762,"kind":"emitHelpers","data":"typescript:extends"},{"pos":763,"end":1334,"kind":"emitHelpers","data":"typescript:decorate"},{"pos":1335,"end":1511,"kind":"emitHelpers","data":"typescript:metadata"},{"pos":1512,"end":2192,"kind":"emitHelpers","data":"typescript:awaiter"},{"pos":2193,"end":3983,"kind":"emitHelpers","data":"typescript:generator"},{"pos":3984,"end":4366,"kind":"emitHelpers","data":"typescript:assign"},{"pos":4367,"end":65553,"kind":"text"}],"sources":{"helpers":["typescript:extends","typescript:decorate","typescript:metadata","typescript:awaiter","typescript:generator","typescript:assign"]}},"dts":{"sections":[{"pos":0,"end":30,"kind":"type","data":"node"},{"pos":31,"end":5388,"kind":"text"}]}},"version":"4.3.4"}

database/tsconfig.json

@@ -4,19 +4,19 @@
 
     /* Basic Options */
     // "incremental": true,                         /* Enable incremental compilation */
-    "target": "es5",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
+    "target": "es6",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
     "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
     // "lib": [],                                   /* Specify library files to be included in the compilation. */
     // "allowJs": true,                             /* Allow javascript files to be compiled. */
     // "checkJs": true,                             /* Report errors in .js files. */
     // "jsx": "preserve",                           /* Specify JSX code generation: 'preserve', 'react-native', 'react', 'react-jsx' or 'react-jsxdev'. */
-    // "declaration": true,                         /* Generates corresponding '.d.ts' file. */
+    "declaration": true,                            /* Generates corresponding '.d.ts' file. */
-    // "declarationMap": true,                      /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    "declarationMap": true,                         /* Generates a sourcemap for each corresponding '.d.ts' file. */
     // "sourceMap": true,                           /* Generates corresponding '.map' file. */
-    // "outFile": "./",                             /* Concatenate and emit output to single file. */
+    // "outFile": "./build/outfile.js",                /* Concatenate and emit output to single file. */
     "outDir": "./build",                            /* Redirect output structure to the directory. */
     // "rootDir": "./",                             /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
-    // "composite": true,                           /* Enable project compilation */
+    "composite": true,                              /* Enable project compilation */
     // "tsBuildInfoFile": "./",                     /* Specify file to store incremental compilation information */
     // "removeComments": true,                      /* Do not emit comments to output. */
     // "noEmit": true,                              /* Do not emit outputs. */
@@ -44,10 +44,10 @@
     // "noPropertyAccessFromIndexSignature": true,  /* Require undeclared properties from index signatures to use element accesses. */
 
     /* Module Resolution Options */
-    // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
     // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
     // "paths": {},                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
-    "rootDirs": [".", "../database"],               /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "rootDirs": [".", "../database"],            /* List of root folders whose combined content represents the structure of the project at runtime. */
     // "typeRoots": [],                             /* List of folders to include type definitions from. */
     // "types": [],                                 /* Type declaration files to be included in compilation. */
     // "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
@@ -68,5 +68,6 @@
     /* Advanced Options */
     "skipLibCheck": true,                           /* Skip type checking of declaration files. */
     "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
-  }
+  },
+  "references": []                                  /* Any project that is referenced must itself have a `references` array (which may be empty). */
 }