Core project setup

* `ts`, `jest`, `prettier` and `tslint`
* Used resources
  * https://itnext.io/step-by-step-building-and-publishing-an-npm-typescript-package-44fe7164964c
  * https://til.hashrocket.com/posts/lmnsdtce3y-import-absolute-paths-in-typescript-jest-tests

core/.gitignore

@@ -0,0 +1 @@
+lib

core/.prettierrc

@@ -0,0 +1,5 @@
+{
+  "printWidth": 120,
+  "trailingComma": "all",
+  "singleQuote": true
+}

core/jest.config.js

@@ -0,0 +1,20 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  roots: ['./'],
+  transform: { '\\.ts$': ['ts-jest'] },
+  testRegex: '(/test/.*|(\\.|/)(test|spec))\\.(ts)$',
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  moduleNameMapper: {
+    'src/(.*)': '<rootDir>/src/$1',
+    'test/(.*)': '<rootDir>/test/$1',
+  },
+  globals: {
+    'ts-jest': {
+      tsconfig: {
+        // allow js in typescript
+        allowJs: true,
+      },
+    },
+  },
+};

core/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "pdf-to-markdown-core",
+  "version": "1.0.0",
+  "description": "Core logic for parsing a PDF and transforming it to Markdown",
+  "main": "index.js",
+  "files": [
+    "lib/src/**/*"
+  ],
+  "scripts": {
+    "test": "jest",
+    "build": "tsc",
+    "format": "prettier --write \"src/**/*.ts\" \"src/**/*.js\"",
+    "lint": "tslint -p tsconfig.json"
+  },
+  "keywords": [
+    "PDF",
+    "Markdown",
+    "Converter"
+  ],
+  "author": "Johannes Zillmann",
+  "license": "AGPL-3.0",
+  "devDependencies": {
+    "@types/jest": "^26.0.19",
+    "jest": "^26.6.3",
+    "prettier": "^2.2.1",
+    "ts-jest": "^26.4.4",
+    "tslint": "^6.1.3",
+    "tslint-config-prettier": "^1.18.0",
+    "typescript": "^4.1.3"
+  }
+}

core/src/index.ts

@@ -0,0 +1 @@
+export const Greeter = (name: string) => `Hello ${name}`;

core/test/index.test.ts

@@ -0,0 +1,5 @@
+import { Greeter } from 'src/index';
+
+test('My Greeter', () => {
+  expect(Greeter('Carl')).toBe('Hello Carl');
+});

core/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "declaration": true,
+    "outDir": "./lib",
+    "strict": true,
+    "baseUrl": "./",
+    "paths": {
+      "src/*": ["src/*"],
+      "test/*": ["test/*"]
+    }
+  },
+  "include": ["src", "test"],
+  "exclude": ["node_modules"]
+}

core/tslint.json

@@ -0,0 +1,3 @@
+{
+   "extends": ["tslint:recommended", "tslint-config-prettier"]
+}