feat: add basic web codecs

scripts/codegen-mkv.ts

@@ -43,15 +43,15 @@ const EbmlTypeMetas = {
   },
   uinteger: {
     code: 'Uint',
-    primitive: () => 'type.number',
+    primitive: () => 'type.number.or(type.bigint)',
     default: (d: string): string => d,
-    primitiveStr: () => 'number',
+    primitiveStr: () => '(number | bigint)',
   },
   integer: {
     code: 'Int',
-    primitive: () => 'type.number',
+    primitive: () => 'type.number.or(type.bigint)',
     default: (d: string) => d,
-    primitiveStr: () => 'number',
+    primitiveStr: () => '(number | bigint)',
   },
   float: {
     code: 'Float',
@@ -160,7 +160,7 @@ function extractElement(element: Element) {
   );
 
   assert(typeof path_ === 'string', `path of ${name} is not string ${element}`);
-  const path = path_.split('\\').filter(Boolean);
+  const path = path_.replace(/\\\+/g, '\\').split('\\').filter(Boolean);
   const parentPath = path.at(-2);
   const prefix = path.slice(0, -1);
   const level = path.length - 1;
@@ -391,7 +391,7 @@ function generateMkvSchemaHierarchy(elements_: EbmlElementType[]) {
         if (v.maxOccurs !== 1) {
           expr = `${expr}.array()`;
           if (v.maxOccurs !== 1 && v.minOccurs === 1 && !v.default) {
-            expr = `${expr}.atLeastLength(1)`
+            expr = `${expr}.atLeastLength(1)`;
           }
           idMulti.add(v.name);
         }
@@ -401,9 +401,8 @@ function generateMkvSchemaHierarchy(elements_: EbmlElementType[]) {
           } else {
             childrenSchema.push(`export const ${v.name}Schema = match({
 "${meta.primitiveStr(v.name)}[]": v => v.length > 0 ? v : [${meta.default(v.default)}],
-"undefined": () => [${meta.default(v.default)}],
-default: "assert"
-});`);
+default: () => [${meta.default(v.default)}],
+}).optional();`);
             expr = `${v.name}Schema`;
           }
         } else if (!v.minOccurs) {

scripts/download-samples.ts

@@ -0,0 +1,54 @@
+import { exec } from 'node:child_process';
+import { promisify } from 'node:util';
+import path from 'node:path';
+import os from 'node:os';
+import fsp from 'node:fs/promises';
+
+
+async function downloadAndExtract() {
+  try {
+    // 目标目录
+    const targetDir = path.join(import.meta.dirname, '..', 'apps', 'mock', 'public', 'video', 'huge');
+    const url = 'https://sourceforge.net/projects/matroska/files/test_files/matroska_test_w1_1.zip/download';
+    const zipFile = 'matroska_test_w1_1.zip';
+    const platform = os.platform();
+
+    const execPromise = (cmd: string) => promisify(exec)(cmd, {
+      cwd: targetDir,
+      shell: platform === 'win32' ? 'powershell' : undefined
+    });
+
+    await fsp.mkdir(targetDir, { recursive: true })
+
+    console.log(`Working directory switched to: ${targetDir}`);
+
+    if (platform === 'win32') {
+      // Windows: 使用 PowerShell 的 Invoke-WebRequest 和 Expand-Archive
+      console.log('Downloading on Windows...');
+      await execPromise(`Invoke-WebRequest -Uri '${url}' -OutFile '${zipFile}' -UserAgent "wget"`);
+      console.log('Extracting on Windows...');
+      await execPromise(`Expand-Archive -Path '${zipFile}' -DestinationPath '.' -Force`);
+      console.log('Cleaning up...');
+      await execPromise(`rm '${zipFile}'`);
+    } else {
+      // *nix: 使用 curl 和 unzip
+      console.log('Downloading on *nix...');
+      await execPromise(`curl -L "${url}" -o "${zipFile}"`);
+      console.log('Extracting on *nix...');
+      await execPromise(`unzip -o "${zipFile}"`);
+      console.log('Cleaning up...');
+      await execPromise(`rm "${zipFile}"`);
+    }
+
+    console.log('Download and extraction completed successfully!');
+  } catch (error) {
+    console.error('An error occurred:', error);
+    throw error;
+  }
+}
+
+// 执行
+downloadAndExtract().catch((err) => {
+  console.error(err)
+  process.exit(1);
+});