Line data    Source code

       1           1 : import { INT32_SIZE } from "./constants.ts";
       2             : 
       3             : /**
       4             :  * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array
       5             :  */
       6           1 : const I32Array: typeof Int32Array = (() => {
       7           2 :   try {
       8           2 :     const buffer = new ArrayBuffer(4);
       9           2 :     const view = new Int32Array(buffer);
      10           2 :     view[0] = INT32_SIZE;
      11           2 :     if (view[0] === -INT32_SIZE) {
      12           2 :       return Int32Array;
      13           2 :     }
      14           2 :   } catch (_) {
      15             :     // nothing to do here
      16           0 :   }
      17           0 :   return (Array as unknown) as typeof Int32Array;
      18           1 : })();
      19           1 : export { I32Array as Int32Array };