init du projet front + back + bd + readme

backend/jest.config.ts

@@ -0,0 +1,30 @@
+import type { Config } from 'jest';
+import { pathsToModuleNameMapper } from 'ts-jest';
+import ts from 'typescript';
+
+// Path aliases (e.g. the ones added by `nest g library`) live in tsconfig.json,
+// so they are read from there instead of being duplicated here.
+const { config: tsconfig } = ts.readConfigFile(
+  './tsconfig.json',
+  ts.sys.readFile,
+);
+const paths = tsconfig?.compilerOptions?.paths ?? {};
+
+const config: Config = {
+  moduleFileExtensions: ['js', 'json', 'ts'],
+  rootDir: '.',
+  testRegex: '.*\\.spec\\.ts$',
+  transform: {
+    '^.+\\.(t|j)s$': 'ts-jest',
+  },
+  moduleNameMapper: pathsToModuleNameMapper(paths, { prefix: '<rootDir>/' }),
+  collectCoverageFrom: [
+    'src/**/*.(t|j)s',
+    'libs/**/*.(t|j)s',
+    'apps/**/*.(t|j)s',
+  ],
+  coverageDirectory: './coverage',
+  testEnvironment: 'node',
+};
+
+export default config;