walt-compiler - npm Package Compare versions

Comparing version 0.3.2 to 0.3.3

package.json

 {
   "name": "walt-compiler",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "Alternative syntax for WebAssembly text format",
@@ -5,0 +5,0 @@ "main": "dist/walt.js",

README.md

@@ -10,6 +10,9 @@ # Walt Compiler
 
+Compile and run Walt code in browser: 
+
 ```js
-import compileWalt, { debug as printWasm } from 'walt-compiler';
+import compileWalt from 'walt-compiler';
 
 const buffer = compileWalt(`
+  let counter: i32 = 0;
   export function count(): i32 {
@@ -21,7 +24,25 @@ counter += 1;
 
-WebAssembly.instantiate(buffer).then(module => {
-  console.log(`Counter export: ${module.instance.exports.count()}`);
+WebAssembly.instantiate(buffer).then(result => {
+  console.log(`First invocation: ${result.instance.exports.count()}`);
+  console.log(`Second invocation: ${result.instance.exports.count()}`);
 });
 ```
 
+Compile and save a `.wasm` file via Node.js: 
+
+```js
+const compileWalt = require('walt-compiler').default;
+const fs = require('fs');
+
+const buffer = compileWalt(`
+  let counter: i32 = 0;
+  export function count(): i32 {
+    counter += 1;
+    return counter;
+  }
+`);
+
+fs.writeFileSync('bin.wasm', new Uint8Array(buffer));
+```
+
 #### parse
@@ -34,5 +55,5 @@
 ```js
-import { parse } from 'walt-compiler';
+import { parser } from 'walt-compiler';
 
-const ast = parse(`
+const ast = parser(`
   type MyObjectType = { 'foo': i32, 'bar': f32 };
@@ -39,0 +60,0 @@ export function test(): f32 {

src/__tests__/__snapshots__/function-spec.js.md

@@ -386,4 +386,4 @@ # Snapshot report for `src/__tests__/function-spec.js`
     0000017e:               41 ; i32.const  ␊
-    0000017f:                4 ; i32.literal␊
-    00000180:               6c ; i32.mul  ␊
+    0000017f:                2 ; i32.literal␊
+    00000180:               74 ; i32.shl  ␊
     00000181:               6a ; i32.add  ␊
@@ -398,4 +398,4 @@ 00000182:               28 ; i32.load  ␊
     00000189:               41 ; i32.const  ␊
-    0000018a:                4 ; i32.literal␊
-    0000018b:               6c ; i32.mul  ␊
+    0000018a:                2 ; i32.literal␊
+    0000018b:               74 ; i32.shl  ␊
     0000018c:               6a ; i32.add  ␊
@@ -421,4 +421,4 @@ 0000018d:               28 ; i32.load  ␊
     0000019f:               41 ; i32.const  ␊
-    000001a0:                4 ; i32.literal␊
-    000001a1:               6c ; i32.mul  ␊
+    000001a0:                2 ; i32.literal␊
+    000001a1:               74 ; i32.shl  ␊
     000001a2:               6a ; i32.add  ␊
@@ -435,4 +435,4 @@ 000001a3:               41 ; i32.const  ␊
     000001ac:               41 ; i32.const  ␊
-    000001ad:                4 ; i32.literal␊
-    000001ae:               6c ; i32.mul  ␊
+    000001ad:                2 ; i32.literal␊
+    000001ae:               74 ; i32.shl  ␊
     000001af:               6a ; i32.add  ␊
@@ -439,0 +439,0 @@ 000001b0:               41 ; i32.const  ␊

src/__tests__/__snapshots__/object-literal-spec.js.md

@@ -263,4 +263,4 @@ # Snapshot report for `src/__tests__/object-literal-spec.js`
     00000102:               41 ; i32.const  ␊
-    00000103:                4 ; i32.literal␊
-    00000104:               6c ; i32.mul  ␊
+    00000103:                2 ; i32.literal␊
+    00000104:               74 ; i32.shl  ␊
     00000105:               6a ; i32.add  ␊
@@ -277,4 +277,4 @@ 00000106:               41 ; i32.const  ␊
     0000010f:               41 ; i32.const  ␊
-    00000110:                4 ; i32.literal␊
-    00000111:               6c ; i32.mul  ␊
+    00000110:                2 ; i32.literal␊
+    00000111:               74 ; i32.shl  ␊
     00000112:               6a ; i32.add  ␊
@@ -291,4 +291,4 @@ 00000113:               41 ; i32.const  ␊
     0000011c:               41 ; i32.const  ␊
-    0000011d:                4 ; i32.literal␊
-    0000011e:               6c ; i32.mul  ␊
+    0000011d:                2 ; i32.literal␊
+    0000011e:               74 ; i32.shl  ␊
     0000011f:               6a ; i32.add  ␊
@@ -295,0 +295,0 @@ 00000120:               41 ; i32.const  ␊

src/__tests__/compiler-spec.js

@@ -27,3 +27,5 @@ import test from "ava";
   let baz: i32 = 0;
+  let x: i32;
   export function test(): i32 {
+    x = 1;
     foo = two();
@@ -30,0 +32,0 @@ baz = alsoTwo();

src/generator/array-subscript.js

@@ -18,4 +18,4 @@ // @flow
       // TODO: fix this for user-defined types
-      { kind: opcode.i32Const, params: [4] },
-      { kind: opcode.i32Mul, params: [] },
+      { kind: opcode.i32Const, params: [2] },
+      { kind: opcode.i32Shl, params: [] },
     ]);
@@ -22,0 +22,0 @@ type = isArray.payload;

src/generator/initializer.js

@@ -8,12 +8,15 @@ // @flow
   const _global = generateValueType(node);
-  const { value } = node.params[0];
-  switch (_global.type) {
-    case F32:
-    case F64:
-      _global.init = parseFloat(value);
-      break;
-    case I32:
-    case I64:
-    default:
-      _global.init = parseInt(value);
+  const [initializer] = node.params;
+  if (initializer != null) {
+    const { value } = initializer;
+    switch (_global.type) {
+      case F32:
+      case F64:
+        _global.init = parseFloat(value);
+        break;
+      case I32:
+      case I64:
+      default:
+        _global.init = parseInt(value);
+    }
   }
@@ -20,0 +23,0 @@

src/generator/memory-assignment.js

@@ -21,4 +21,4 @@ // @flow
       // TODO: fix this for user-defined types
-      { kind: opcode.i32Const, params: [4] },
-      { kind: opcode.i32Mul, params: [] },
+      { kind: opcode.i32Const, params: [2] },
+      { kind: opcode.i32Shl, params: [] },
     ]);
@@ -25,0 +25,0 @@ type = isArray.payload;

Fixed alerts

Native code

Supply chain risk

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

Found 1 instance in 1 package

Improved metrics

Number of lines in readme file

90

increased by30.43%

Number of medium supply chain risk alerts

28

decreased by-3.45%

Worsened metrics

Total package byte prevSize

1189541

decreased by-89.72%

Number of package files

232

decreased by-16.55%

Lines of code

12370

decreased by-0.03%

No dependency changes