@web3api/asyncify-js - npm Package Compare versions

Comparing version 0.0.1-prealpha.54 to 0.0.1-prealpha.55

build/AsyncWasmInstance.d.ts

@@ -0,1 +1,2 @@
+declare type WasmMemory = WebAssembly.Memory;
 declare type WasmExports = WebAssembly.Exports;
@@ -13,2 +14,5 @@ declare type WasmImports = WebAssembly.Imports;
     private constructor();
+    static createMemory(config: {
+        module: ArrayBuffer;
+    }): WasmMemory;
     static createInstance(config: {
@@ -15,0 +19,0 @@ module: ArrayBuffer;

build/AsyncWasmInstance.js

 "use strict";
-/* eslint-disable @typescript-eslint/naming-convention */
-/* eslint-disable @typescript-eslint/ban-types */
-/* eslint-disable @typescript-eslint/no-empty-function */
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
@@ -63,10 +60,6 @@ function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
 exports.AsyncWasmInstance = void 0;
-function isPromise(test) {
-    return !!test && typeof test.then === "function";
-}
-function proxyGet(obj, transform) {
-    return new Proxy(obj, {
-        get: function (obj, name) { return transform(obj[name]); },
-    });
-}
+/* eslint-disable @typescript-eslint/naming-convention */
+/* eslint-disable @typescript-eslint/ban-types */
+/* eslint-disable @typescript-eslint/no-empty-function */
+var utils_1 = require("./utils");
 var AsyncifyState;
@@ -81,2 +74,40 @@ (function (AsyncifyState) {
     }
+    AsyncWasmInstance.createMemory = function (config) {
+        var bytecode = new Uint8Array(config.module);
+        // extract the initial memory page size, as it will
+        // throw an error if the imported page size differs:
+        // https://chromium.googlesource.com/v8/v8/+/644556e6ed0e6e4fac2dfabb441439820ec59813/src/wasm/module-instantiate.cc#924
+        var envMemoryImportSignature = Uint8Array.from([
+            // string length
+            0x03,
+            // env ; import module name
+            0x65,
+            0x6e,
+            0x76,
+            // string length
+            0x06,
+            // memory ; import field name
+            0x6d,
+            0x65,
+            0x6d,
+            0x6f,
+            0x72,
+            0x79,
+            // import kind
+            0x02,
+        ]);
+        var sigIdx = utils_1.indexOfArray(bytecode, envMemoryImportSignature);
+        if (sigIdx < 0) {
+            throw Error("Unable to find Wasm memory import section. " +
+                "Modules must import memory from the \"env\" module's " +
+                "\"memory\" field like so:\n" +
+                "(import \"env\" \"memory\" (memory (;0;) #))");
+        }
+        // Extract the initial memory page-range size
+        var memoryInitalLimits = bytecode.at(sigIdx + envMemoryImportSignature.length + 1);
+        if (memoryInitalLimits === undefined) {
+            throw Error("No initial memory number found, this should never happen...");
+        }
+        return new WebAssembly.Memory({ initial: memoryInitalLimits });
+    };
     AsyncWasmInstance.createInstance = function (config) {
@@ -134,3 +165,3 @@ return __awaiter(this, void 0, void 0, function () {
         var _this = this;
-        return proxyGet(imports, function (moduleImports) {
+        return utils_1.proxyGet(imports, function (moduleImports) {
             return _this._wrapModuleImports(moduleImports);
@@ -141,3 +172,3 @@ });
         var _this = this;
-        return proxyGet(imports, function (importValue) {
+        return utils_1.proxyGet(imports, function (importValue) {
             if (typeof importValue === "function") {
@@ -162,3 +193,3 @@ return _this._wrapImportFn(importValue);
             var value = fn.apply(void 0, __spread(args));
-            if (!isPromise(value)) {
+            if (!utils_1.isPromise(value)) {
                 return value;
@@ -165,0 +196,0 @@ }

package.json

 {
   "name": "@web3api/asyncify-js",
   "description": "Async Wasm Imports Support Using Asyncify",
-  "version": "0.0.1-prealpha.54",
+  "version": "0.0.1-prealpha.55",
   "license": "MIT",
@@ -32,3 +32,3 @@ "repository": {
   },
-  "gitHead": "8d9ec8fcedb1f7e0727d112c5c626d616d3c6f7f",
+  "gitHead": "c2b53f17e70fb792eb2ec80585a44a329d710bd7",
   "publishConfig": {
@@ -35,0 +35,0 @@ "access": "public"

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Improved metrics

Total package byte prevSize

23373

increased by26.25%

Number of package files

12

increased by33.33%

Lines of code

348

increased by30.83%

No dependency changes