feat: porting the library over from @readme/oas-to-har

.eslintignore

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+@types/
+coverage/
+dist/

.eslintrc

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+{
+  "extends": [
+    "@readme/eslint-config",
+    "@readme/eslint-config/typescript"
+  ],
+  "root": true,
+  "rules": {
+    "@typescript-eslint/no-explicit-any": "off"
+  }
+}

.gitignore

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+@types/
+coverage/
+dist/
+node_modules/

.husky/commit-msg

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+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx commitlint --edit $1

.npmignore

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+__tests__/
+.github/
+.husky/
+coverage/
+.eslint*
+.prettier*
+jest.*.js

.prettierignore

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+@types/
+coverage/
+dist/

__tests__/.eslintrc

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+{
+  "extends": "@readme/eslint-config/testing"
+}

__tests__/index.test.ts

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+import removeUndefinedObjects from '../src';
+
+test('should leave primitives alone', () => {
+  expect(removeUndefinedObjects(1234)).toBe(1234);
+  expect(removeUndefinedObjects('1234')).toBe('1234');
+  expect(removeUndefinedObjects(null)).toBeNull();
+  expect(removeUndefinedObjects()).toBeUndefined();
+  expect(removeUndefinedObjects(undefined)).toBeUndefined();
+});
+
+test('should remove empty objects with only empty properties', () => {
+  const obj = {
+    a: {
+      b: {},
+      c: {
+        d: {},
+      },
+    },
+  };
+
+  expect(removeUndefinedObjects(obj)).toBeUndefined();
+});
+
+test('should remove empty objects with only undefined properties', () => {
+  const obj = {
+    a: {
+      b: undefined,
+      c: {
+        d: undefined,
+      },
+    },
+  };
+
+  expect(removeUndefinedObjects(obj)).toBeUndefined();
+});
+
+test('should remove empty arrays from within object', () => {
+  const obj = {
+    a: {
+      b: undefined,
+      c: {
+        d: undefined,
+      },
+    },
+    d: [1234, undefined],
+    e: [],
+  };
+
+  expect(removeUndefinedObjects(obj)).toStrictEqual({
+    d: [1234],
+  });
+});
+
+test('should remove undefined and null values from arrays', () => {
+  expect(removeUndefinedObjects([undefined, undefined])).toBeUndefined();
+  expect(removeUndefinedObjects([null])).toBeUndefined();
+  expect(removeUndefinedObjects(['1234', null, undefined, { a: null, b: undefined }, '   ', ''])).toStrictEqual([
+    '1234',
+    {
+      a: null,
+    },
+    '   ',
+    '',
+  ]);
+});

__tests__/tsconfig.json

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+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "module": "es6",
+    "moduleResolution": "node",
+    "noImplicitAny": false
+  },
+  "include": ["../src/**/*", "*.ts"]
+}

jest.config.js

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+module.exports = {
+  coveragePathIgnorePatterns: ['/dist', '/node_modules'],
+  globals: {
+    'ts-jest': {
+      tsconfig: '__tests__/tsconfig.json',
+    },
+  },
+  modulePaths: ['<rootDir>'],
+  preset: 'ts-jest/presets/js-with-ts',
+  roots: ['<rootDir>'],
+  testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.(js?|ts?)$',
+  transform: {},
+};