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fix wasm runtime.js storeString to support Unicode

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This commit is contained in:
Laytan Laats
2024-04-13 19:32:22 +02:00
parent 4240e0025e
commit d2ca91b830
1 changed files with 5 additions and 2 deletions
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7
vendor/wasm/js/runtime.js vendored
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@@ -104,9 +104,12 @@ class WasmMemoryInterface {
storeInt(addr, value) { this.mem.setInt32 (addr, value, true); }
storeUint(addr, value) { this.mem.setUint32 (addr, value, true); }
// Returned length might not be the same as `value.length` if non-ascii strings are given.
storeString(addr, value) {
const bytes = this.loadBytes(addr, value.length);
new TextEncoder().encodeInto(value, bytes);
const src = new TextEncoder().encode(value);
const dst = new Uint8Array(this.memory.buffer, addr, src.length);
dst.set(src);
return src.length;
}
};