initial implementation

carries most of the logic used across our actions

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

jest.config.ts

@@ -0,0 +1,21 @@
+process.env = Object.assign({}, process.env, {
+  RUNNER_TEMP: '/tmp/github_runner',
+  RUNNER_TOOL_CACHE: '/tmp/github_tool_cache'
+}) as {
+  [key: string]: string;
+};
+
+module.exports = {
+  clearMocks: true,
+  testEnvironment: 'node',
+  moduleFileExtensions: ['js', 'ts'],
+  setupFiles: ['dotenv/config'],
+  testMatch: ['**/*.test.ts'],
+  transform: {
+    '^.+\\.ts$': 'ts-jest'
+  },
+  moduleNameMapper: {
+    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs'
+  },
+  verbose: true
+};