feat: init bundle

packages/core/package.json

@@ -35,6 +35,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "fast-xml-parser": "^4.1.2",
     "fflate": "^0.7.4"
   },
   "devDependencies": {

packages/core/src/bundle.ts

@@ -0,0 +1,41 @@
+import * as fflate from 'fflate';
+import { XMLBuilder } from 'fast-xml-parser';
+
+import type { Epubook } from './epub';
+
+const MIMETYPE = fflate.strToU8('application/epub+zip');
+
+export async function bundle(epub: Epubook) {
+  return new Promise((res, rej) => {
+    fflate.zip(
+      {
+        mimetype: MIMETYPE,
+        'META-INF': {
+          'container.xml': fflate.strToU8('')
+        }
+      },
+      {
+        level: 1,
+        mtime: new Date()
+      },
+      (err, data) => {
+        if (err) {
+          rej(err);
+        } else {
+          res(data);
+        }
+      }
+    );
+  });
+}
+
+export function makeContainer(epub: Epubook) {
+  const builder = new XMLBuilder({ format: true, ignoreAttributes: false });
+  return builder.build({
+    '?xml': [{ '#text': '' }],
+    container: {
+      version: '1.0',
+      xmlns: 'urn:oasis:names:tc:opendocument:xmlns:container'
+    }
+  });
+}

packages/core/src/epub.ts

@@ -0,0 +1,8 @@
+export class Epubook {
+  constructor() {}
+
+  async bundle() {
+    const { bundle } = await import('./bundle');
+    return await bundle(this);
+  }
+}

packages/core/test/bundle.test.ts

@@ -0,0 +1,11 @@
+import { describe, it, expect } from 'vitest';
+
+import { Epubook } from '../src/epub';
+import { makeContainer } from '../src/bundle';
+
+describe('Bundle Epub', () => {
+  it('generate container.xml', () => {
+    const res = makeContainer(new Epubook());
+    console.log(res);
+  });
+});