@wasmer/wasi - npm Package Compare versions

Comparing version 1.1.2 to 1.2.0

dist/lib.d.ts

 export * from "./pkg/wasmer_wasi_js";
-export declare type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
 export declare const init: (input?: InitInput | Promise<InitInput>, force?: boolean) => Promise<void>;

dist/pkg/wasmer_wasi_js.d.ts

@@ -9,21 +9,21 @@ /**
     /**
-    * @returns {BigInt}
+    * @returns {bigint}
     */
-    lastAccessed(): BigInt;
+    lastAccessed(): bigint;
     /**
-    * @returns {BigInt}
+    * @returns {bigint}
     */
-    lastModified(): BigInt;
+    lastModified(): bigint;
     /**
-    * @returns {BigInt}
+    * @returns {bigint}
     */
-    createdTime(): BigInt;
+    createdTime(): bigint;
     /**
-    * @returns {BigInt}
+    * @returns {bigint}
     */
-    size(): BigInt;
+    size(): bigint;
     /**
-    * @param {BigInt} new_size
+    * @param {bigint} new_size
     */
-    setLength(new_size: BigInt): void;
+    setLength(new_size: bigint): void;
     /**
@@ -60,2 +60,7 @@ * @returns {Uint8Array}
     static __wrap(ptr: any): any;
+    /**
+    * @param {any} jso
+    * @returns {MemFS}
+    */
+    static from_js(jso: any): MemFS;
     __destroy_into_raw(): number;
@@ -177,2 +182,3 @@ ptr: number;
 export default init;
-declare function init(input: any): Promise<WebAssembly.Exports>;
+export function initSync(module: any): any;
+declare function init(input: any): Promise<any>;

package.json

 {
   "name": "@wasmer/wasi",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "main": "dist/Library.cjs.min.js",
@@ -5,0 +5,0 @@ "module": "dist/Library.esm.min.js",

pkg/README.md

@@ -135,4 +135,4 @@ # <img height="48" src="https://raw.githubusercontent.com/wasmerio/wasmer/master/assets/logo.png" alt="Wasmer logo" valign="middle"> Wasmer JS [![Wasmer Slack Channel](https://img.shields.io/static/v1?label=chat&message=on%20Slack&color=green)](https://slack.wasmer.io)
 * [wasm-pack][wasm-pack]
-* [wabt][wabt] (for `wasm-opt`)
-* [binaryen][binaryen] (for `wasm-strip`)
+* [wabt][wabt] (for `wasm-strip`)
+* [binaryen][binaryen] (for `wasm-opt`)
 
@@ -139,0 +139,0 @@ ```sh

README.md

@@ -135,4 +135,4 @@ # <img height="48" src="https://raw.githubusercontent.com/wasmerio/wasmer/master/assets/logo.png" alt="Wasmer logo" valign="middle"> Wasmer JS [![Wasmer Slack Channel](https://img.shields.io/static/v1?label=chat&message=on%20Slack&color=green)](https://slack.wasmer.io)
 * [wasm-pack][wasm-pack]
-* [wabt][wabt] (for `wasm-opt`)
-* [binaryen][binaryen] (for `wasm-strip`)
+* [wabt][wabt] (for `wasm-strip`)
+* [binaryen][binaryen] (for `wasm-opt`)
 
@@ -139,0 +139,0 @@ ```sh

tests/index.spec.js

 const fs = require('fs');
 // const { init, WASI } = require('../');
-const { init, WASI } = require('../dist/Library.cjs.js');
+const { init, WASI, MemFS } = require('../dist/Library.cjs.js');
 
@@ -81,3 +81,3 @@
 
-test('wasi start empty fails', async() => {
+test('wasi initialize with JS imports', async() => {
   let moduleBytes = fs.readFileSync(__dirname + '/test.wasm');
@@ -87,3 +87,2 @@ let wasi = new WASI({});
   let imports = wasi.getImports(module);
-  // console.log(imports);
   let instance = await WebAssembly.instantiate(module, {
@@ -95,5 +94,36 @@ ...imports,
   });
-  expect(() => wasi.start()).toThrow("You need to provide a instance as argument to start, or call `wasi.instantiate` with the `WebAssembly.Instance` manually");
+  let code = wasi.start(instance);
+  expect(code).toBe(0);
 });
 
+test('wasi initialize with JS imports with empty start', async() => {
+  let moduleBytes = fs.readFileSync(__dirname + '/test.wasm');
+  let wasi = new WASI({});
+  const module = await WebAssembly.compile(moduleBytes);
+  let imports = wasi.getImports(module);
+  let instance = await WebAssembly.instantiate(module, {
+    ...imports,
+    'module': {
+      'external': function() { console.log("external: hello world!") }
+    }
+  });
+  expect(() => wasi.start()).toThrow("You need to provide an instance as argument to `start`, or call `wasi.instantiate` with the `WebAssembly.Instance` manually");
+});
+
+test('wasi fs config works', async() => {
+  let fs = new MemFS();
+  fs.createDir('/magic');
+  let wasi = new WASI({fs});
+  expect(wasi.fs.readDir('/').map(e => e.path)).toEqual(['/magic']);
+});
+
+test('mapdir with fs config works', async () => {
+  let wfs = new MemFS();
+  wfs.createDir('/magic');
+  let contents = fs.readFileSync(__dirname + '/mapdir.wasm');
+  let wasi = await initWasi(contents, {fs: wfs});
+  let code = wasi.start();
+  expect(wasi.getStdoutString()).toBe(`"./magic"\n`);
+});
+
 test('get imports', async() => {
@@ -115,2 +145,4 @@ let moduleBytes = fs.readFileSync(__dirname + '/test.wasm');
 
+  expect(exitCode).toBe(0);
+
   // This should print "hello world (exit code: 0)"
@@ -117,0 +149,0 @@ console.log(`${stdout}(exit code: ${exitCode})`);

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Found 1 instance in 1 package

Major refactor

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Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Uses eval

Supply chain risk

Package uses dynamic code execution (e.g., eval()), which is a dangerous practice. This can prevent the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Long strings

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Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Native code

Supply chain risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

Found 2 instances in 1 package

Uses eval

Supply chain risk

Package uses dynamic code execution (e.g., eval()), which is a dangerous practice. This can prevent the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Minified code

Quality

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

Found 1 instance in 1 package

Improved metrics

Number of low quality alerts

2

decreased by-50%

Number of low supply chain risk alerts

9

decreased by-43.75%

Number of medium supply chain risk alerts

13

decreased by-45.83%

Worsened metrics

Total package byte prevSize

6851780

decreased by-57.6%

Number of package files

38

decreased by-46.48%

Lines of code

15691

decreased by-65.97%

No dependency changes