Implement versioning strategies in js 🧉

src/model/error/command-execution-error.js

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+class CommandExecutionError extends Error {
+  constructor(message) {
+    super(message);
+    this.name = 'CommandExecutionError';
+  }
+}
+
+export default CommandExecutionError;

src/model/error/command-execution-error.test.js

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+import CommandExecutionError from './command-execution-error';
+
+describe('CommandExecutionError', () => {
+  it('instantiates', () => {
+    expect(() => new CommandExecutionError()).not.toThrow();
+  });
+
+  test.each([1, 'one', { name: '!' }])('Displays title %s', message => {
+    const error = new CommandExecutionError(message);
+
+    expect(error.name).toStrictEqual('CommandExecutionError');
+    expect(error.message).toStrictEqual(message.toString());
+  });
+});

src/model/error/not-implemented-exception.js

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+class NotImplementedException extends Error {
+  constructor(message) {
+    super(message);
+    this.name = 'NotImplementedException';
+  }
+}
+
+export default NotImplementedException;

src/model/error/not-implemented-exception.test.js

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+import NotImplementedException from './not-implemented-exception';
+
+describe('NotImplementedException', () => {
+  it('instantiates', () => {
+    expect(() => new NotImplementedException()).not.toThrow();
+  });
+
+  test.each([1, 'one', { name: '!' }])('Displays title %s', message => {
+    const error = new NotImplementedException(message);
+
+    expect(error.name).toStrictEqual('NotImplementedException');
+    expect(error.message).toStrictEqual(message.toString());
+  });
+});