feat(EAN): Add EAN8 - EAN13 support

src/__tests__/config/aim-codes.spec.ts

@@ -30,4 +30,10 @@ describe('AimCodes', () => {
             expect(AimCodes.CODE128).toBe(']C0');
         });
     });
+
+    describe('EAN13', () => {
+        it('should return EAN code', () => {
+            expect(AimCodes.EAN13).toBe(']E4');
+        });
+    });
 });

src/__tests__/readers/ean-13.reader.spec.ts

@@ -0,0 +1,28 @@
+import { IReaderConfiguration } from '../../models';
+import { Ean13Reader } from '../../readers';
+
+describe('Ean13Reader', () => {
+    const config = {} as IReaderConfiguration;
+    let classUnderTest: Ean13Reader;
+
+    beforeEach(() => {
+        classUnderTest = new Ean13Reader(config);
+    });
+
+    describe('validate', () => {
+        test('should validate value length', () => {
+            /* tslint:disable */
+            expect(classUnderTest['validate'](']E41111111111111')).toBe(true);
+            expect(classUnderTest['validate'](']E411111111111111')).toBe(false);
+            expect(classUnderTest['validate'](']E411111')).toBe(false);
+            /* tslint:enable */
+        });
+
+        test('should validate character type', () => {
+            /* tslint:disable */
+            expect(classUnderTest['validate'](']E41111111111111')).toBe(true);
+            expect(classUnderTest['validate'](']E4aaaaaaaaaaaaa')).toBe(false);
+            /* tslint:enable */
+        });
+    });
+});

src/__tests__/readers/ean-8.reader.spec.ts

@@ -0,0 +1,28 @@
+import { IReaderConfiguration } from '../../models';
+import { Ean8Reader } from '../../readers';
+
+describe('Ean8Reader', () => {
+    const config = {} as IReaderConfiguration;
+    let classUnderTest: Ean8Reader;
+
+    beforeEach(() => {
+        classUnderTest = new Ean8Reader(config);
+    });
+
+    describe('validate', () => {
+        test('should validate value length', () => {
+            /* tslint:disable */
+            expect(classUnderTest['validate'](']E411111111')).toBe(true);
+            expect(classUnderTest['validate'](']E411111111111111')).toBe(false);
+            expect(classUnderTest['validate'](']E411111')).toBe(false);
+            /* tslint:enable */
+        });
+
+        test('should validate character type', () => {
+            /* tslint:disable */
+            expect(classUnderTest['validate'](']E411111111')).toBe(true);
+            expect(classUnderTest['validate'](']E4aaaaaaaa')).toBe(false);
+            /* tslint:enable */
+        });
+    });
+});

src/config/aim-codes.ts

@@ -4,4 +4,6 @@ export enum AimCodes {
     ITF = ']I0',
     CODE39 = ']A0',
     CODE128 = ']C0',
+    EAN13 = ']E4',
+    EAN8 = ']E0',
 }

src/readers/ean-13.reader.ts

@@ -0,0 +1,11 @@
+import { IReaderConfiguration } from '../models';
+import { BaseGtinReader } from './base-gtin.reader';
+import { Symbologies } from '../config';
+
+const REG: RegExp = /^\]E0[0-9]{13,13}$/;
+
+export class Ean13Reader extends BaseGtinReader {
+    constructor(readerConfig?: IReaderConfiguration) {
+        super(Symbologies.GTIN13, REG, readerConfig);
+    }
+}

src/readers/ean-8.reader.ts

@@ -0,0 +1,11 @@
+import { IReaderConfiguration } from '../models';
+import { BaseGtinReader } from './base-gtin.reader';
+import { Symbologies } from '../config';
+
+const REG: RegExp = /^\]E4[0-9]{8,8}$/;
+
+export class Ean8Reader extends BaseGtinReader {
+    constructor(readerConfig?: IReaderConfiguration) {
+        super(Symbologies.GTIN8, REG, readerConfig);
+    }
+}

src/readers/index.ts

@@ -9,10 +9,12 @@ import { Itf12Reader } from './itf-12.reader';
 import { Itf13Reader } from './itf-13.reader';
 import { Itf14Reader } from './itf-14.reader';
 import { Code128Reader } from './code-128.reader';
+import { Ean13Reader } from './ean-13.reader';
 
 export {
     Code39Reader,
     Code128Reader,
+    Ean13Reader,
     Gtin8Reader,
     Gtin12Reader,
     Gtin13Reader,
@@ -27,6 +29,7 @@ export {
 export const READERS = [
     Code39Reader,
     Code128Reader,
+    Ean13Reader,
     Gtin8Reader,
     Gtin12Reader,
     Gtin13Reader,
@@ -41,6 +44,7 @@ export const READERS = [
 export const READER_TYPES = {
     code_39: Code39Reader,
     code_128: Code128Reader,
+    ean_13: Ean13Reader,
     gs1_128: GS1Reader,
     gtin_12: Gtin12Reader,
     gtin_13: Gtin13Reader,