@swc/wasm - npm Package Compare versions

Comparing version 1.2.39 to 1.2.40

package.json

@@ -7,3 +7,3 @@ {
   "description": "wasm module for swc",
-  "version": "1.2.39",
+  "version": "1.2.40",
   "license": "Apache-2.0/MIT",
@@ -10,0 +10,0 @@ "repository": {

wasm.js

 let imports = {};
 imports['__wbindgen_placeholder__'] = module.exports;
 let wasm;
-const { TextDecoder } = require(String.raw`util`);
+const { TextDecoder, TextEncoder } = require(String.raw`util`);
 
@@ -41,16 +41,52 @@ let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
 
-let cachegetNodeBufferMemory0 = null;
-function getNodeBufferMemory0() {
-    if (cachegetNodeBufferMemory0 === null || cachegetNodeBufferMemory0.buffer !== wasm.memory.buffer) {
-        cachegetNodeBufferMemory0 = Buffer.from(wasm.memory.buffer);
-    }
-    return cachegetNodeBufferMemory0;
+let cachedTextEncoder = new TextEncoder('utf-8');
+
+const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
+    ? function (arg, view) {
+    return cachedTextEncoder.encodeInto(arg, view);
 }
+    : function (arg, view) {
+    const buf = cachedTextEncoder.encode(arg);
+    view.set(buf);
+    return {
+        read: arg.length,
+        written: buf.length
+    };
+});
 
-function passStringToWasm0(arg, malloc) {
+function passStringToWasm0(arg, malloc, realloc) {
 
-    const len = Buffer.byteLength(arg);
-    const ptr = malloc(len);
-    getNodeBufferMemory0().write(arg, ptr, len);
-    WASM_VECTOR_LEN = len;
+    if (realloc === undefined) {
+        const buf = cachedTextEncoder.encode(arg);
+        const ptr = malloc(buf.length);
+        getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len);
+
+    const mem = getUint8Memory0();
+
+    let offset = 0;
+
+    for (; offset < len; offset++) {
+        const code = arg.charCodeAt(offset);
+        if (code > 0x7F) break;
+        mem[ptr + offset] = code;
+    }
+
+    if (offset !== len) {
+        if (offset !== 0) {
+            arg = arg.slice(offset);
+        }
+        ptr = realloc(ptr, len, len = offset + arg.length * 3);
+        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
+        const ret = encodeString(arg, view);
+
+        offset += ret.written;
+    }
+
+    WASM_VECTOR_LEN = offset;
     return ptr;
@@ -57,0 +93,0 @@ }

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Improved metrics

Total package byte prevSize

12689763

increased by0.15%

Lines of code

184

increased by17.95%

No dependency changes