Test MemFS implementation by WebAssembly/wasi-testsuite

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 /lib
 /examples/build
+/examples/package-lock.json

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "third_party/wasi-test-suite"]
-	path = third_party/wasi-test-suite
-	url = https://github.com/caspervonb/wasi-test-suite
+[submodule "third_party/wasi-testsuite"]
+	path = third_party/wasi-testsuite
+	url = https://github.com/WebAssembly/wasi-testsuite

package.json

@@ -8,8 +8,8 @@
     "./lib/esm/platforms/crypto.js": "./lib/esm/platforms/crypto.browser.js"
   },
   "scripts": {
-    "build": "tsc -p tsconfig.esm.json && tsc -p tsconfig.cjs.json",
-    "test": "jest",
+    "build": "tsc -p tsconfig.esm.json && tsc -p tsconfig.cjs.json && echo '{ \"type\": \"module\" }' > lib/esm/package.json",
+    "test": "node --test test/*.test.mjs",
     "format": "prettier --write ./src ./test",
     "prepare": "npm run build"
   },
@@ -32,11 +32,8 @@
   "author": "SwiftWasm Team",
   "license": "MIT",
   "devDependencies": {
-    "@types/jest": "^28.1.4",
     "@types/node": "^17.0.31",
-    "jest": "^28.1.2",
     "prettier": "^3.5.2",
-    "ts-jest": "^28.0.5",
     "typescript": "^4.6.4"
   }
 }

src/abi.ts

@@ -62,6 +62,22 @@ export class WASIAbi {
    * The file descriptor or file refers to a regular file inode.
    */
   static readonly WASI_FILETYPE_REGULAR_FILE = 4;
+  /**
+   * Create file if it does not exist.
+   */
+  static readonly WASI_OFLAGS_CREAT = 1 << 0;
+  /**
+   * Open directory.
+   */
+  static readonly WASI_OFLAGS_DIRECTORY = 1 << 1;
+  /**
+   * Fail if not a directory.
+   */
+  static readonly WASI_OFLAGS_EXCL = 1 << 2;
+  /**
+   * Truncate to zero length.
+   */
+  static readonly WASI_OFLAGS_TRUNC = 1 << 3;
 
   static readonly IMPORT_FUNCTIONS = [
     "args_get",

src/features/all.ts

@@ -1,29 +1,24 @@
-import { WASIAbi } from "../abi";
-import { WASIFeatureProvider, WASIOptions } from "../options";
-import { useArgs } from "./args";
-import { useClock } from "./clock";
-import { useEnviron } from "./environ";
-import { useFS, useStdio } from "./fd";
-import { useProc } from "./proc";
-import { useRandom } from "./random";
+import { WASIAbi } from "../abi.js";
+import { WASIFeatureProvider, WASIOptions } from "../options.js";
+import { useArgs } from "./args.js";
+import { useClock } from "./clock.js";
+import { useEnviron } from "./environ.js";
+import { useMemoryFS } from "./fd.js";
+import { useProc } from "./proc.js";
+import { useRandom } from "./random.js";
 
-type Options = (Parameters<typeof useFS>[0] | Parameters<typeof useStdio>[0]) &
-  Parameters<typeof useRandom>[0];
+type Options = Parameters<typeof useMemoryFS>[0] & Parameters<typeof useRandom>[0];
 
 export function useAll(useOptions: Options = {}): WASIFeatureProvider {
   return (options: WASIOptions, abi: WASIAbi, memoryView: () => DataView) => {
     const features = [
+      useMemoryFS(useOptions),
       useEnviron,
       useArgs,
       useClock,
       useProc,
       useRandom(useOptions),
     ];
-    if ("fs" in useOptions) {
-      features.push(useFS({ fs: useOptions.fs }));
-    } else {
-      features.push(useStdio(useOptions));
-    }
     return features.reduce((acc, fn) => {
       return { ...acc, ...fn(options, abi, memoryView) };
     }, {});

src/features/args.ts

@@ -1,5 +1,5 @@
-import { WASIAbi } from "../abi";
-import { WASIOptions } from "../options";
+import { WASIAbi } from "../abi.js";
+import { WASIOptions } from "../options.js";
 
 /**
  * A feature provider that provides `args_get` and `args_sizes_get`

src/features/clock.ts

@@ -1,5 +1,5 @@
-import { WASIAbi } from "../abi";
-import { WASIOptions } from "../options";
+import { WASIAbi } from "../abi.js";
+import { WASIOptions } from "../options.js";
 
 /**
  * A feature provider that provides `clock_res_get` and `clock_time_get` by JavaScript's Date.

src/features/environ.ts

@@ -1,5 +1,5 @@
-import { WASIAbi } from "../abi";
-import { WASIOptions } from "../options";
+import { WASIAbi } from "../abi.js";
+import { WASIOptions } from "../options.js";
 
 /**
  * A feature provider that provides `environ_get` and `environ_sizes_get`