build: update Jest and lint-staged configurations

Author: hassankhan

.lintstagedrc.yml

@@ -1,8 +1,5 @@
-linters:
-  "src/**/*.ts":
-    - "tslint --fix"                        # Run TSLint
-    - "prettier --write"                    # Run Prettier
-    - "jest --bail --findRelatedTests"      # Run tests
-    - "git add"
-ignore:
-  - "**/__fixtures__/error.ts"
+"src/**/*.ts":
+  - "tslint --fix"                        # Run TSLint
+  - "prettier --write"                    # Run Prettier
+  - "jest --bail --findRelatedTests"      # Run tests
+  - "git add"

jest.config.js

@@ -1,8 +1,6 @@
-const preset = require('ts-jest').jestPreset;
-
 module.exports = {
   preset: 'ts-jest',
-  collectCoverage: false,
+  testEnvironment: 'node',
   coveragePathIgnorePatterns: [
     '/node_modules/',
     '/tests/',
@@ -13,24 +11,8 @@ module.exports = {
       tsConfig: "tsconfig.test.json",
     },
   },
-  // @TODO Uncomment the following lines once test coverage has reached an acceptable threshold
-  // 'coverageThreshold': {
-  //   'global': {
-  //     'branches': 90,
-  //     'functions': 95,
-  //     'lines': 95,
-  //     'statements': 95
-  //   }
-  // },
   moduleDirectories: [
     'src',
     'node_modules',
   ],
-  testMatch: [
-    ...preset.testMatch,
-    '**/?(*.)+(spec|integ|test).ts?(x)',
-  ],
-  transformIgnorePatterns: [
-    '<rootDir>/node_modules/',
-  ],
 };