ts and jest configs

jest.config.js

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+module.exports = {
+    verbose: true,
+    transform: {
+        "^.+\\.tsx?$": 'ts-jest'
+    },
+    testPathIgnorePatterns: [
+        "<rootDir>/build/",
+        "<rootDir>/node_modules/",
+    ],
+    testRegex: '/__tests__/.*\\.test\\.ts$',
+    moduleFileExtensions: [
+        'ts',
+        'tsx',
+        'js',
+        'jsx',
+        'json',
+        'node'
+    ],
+    moduleNameMapper: {
+       "^@circom-helper(.*)$": "<rootDir>./$1",
+    },
+    globals: {
+        'ts-jest': {
+            diagnostics: {
+                // Do not fail on TS compilation errors
+                // https://kulshekhar.github.io/ts-jest/user/config/diagnostics#do-not-fail-on-first-error
+                warnOnly: true
+            }
+        }
+    },
+    testEnvironment: 'node'
+}

package.json

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+{
+  "name": "zkey-manager",
+  "version": "0.0.1",
+  "description": "A convenient way for developers to manage the .zkey files from circom circuits, for production and testing.",
+  "main": "build/index.js",
+  "scripts": {
+    "watch": "tsc --watch",
+    "build": "tsc",
+    "prepare": "tsc"
+  },
+  "bin": {
+    "zkey-manager": "build/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/appliedzkp/zkey-manager.git"
+  },
+  "keywords": [
+    "snarkjs",
+    "circom"
+  ],
+  "author": "Koh Wei Jie",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/appliedzkp/zkey-manager/issues"
+  },
+  "homepage": "https://github.com/appliedzkp/zkey-manager#readme",
+  "dependencies": {
+    "argparse": "2.0.1",
+    "circom": "0.5.38",
+    "circomlib": "0.4.1",
+    "snarkjs": "0.3.59",
+    "js-yaml": "4.0.0"
+  },
+  "devDependencies": {
+    "@types/jest": "^26.0.19",
+    "ffjavascript": "^0.2.33",
+    "jest": "^26.6.3",
+    "ts-jest": "^26.4.4",
+    "typescript": "^4.1.3"
+  }
+}

tsconfig.json

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+{
+    "compilerOptions": {
+        "experimentalDecorators": true,
+        "alwaysStrict": true,
+        "allowJs": true,
+        "noImplicitAny": false,
+        "forceConsistentCasingInFileNames": true,
+        "noUnusedLocals": false,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "sourceMap": true,
+        "esModuleInterop": true,
+        "strict": true,
+        "outDir": "./build",
+        "lib": [ "es2015", "dom" ]
+    },
+    "exclude": [
+        "node_modules/**"
+    ],
+    "include": [
+        "./ts"
+    ]
+}