wasmFeatureDetect.js

!(function (e, n) {
  "object" == typeof exports && "undefined" != typeof module
    ? (module.exports = n())
    : "function" == typeof define && define.amd
    ? define(n)
    : ((e = e || self).wasmFeatureDetect = n());
})(this, function () {
  "use strict";
  return {
    bigInt: () =>
      (async (e) => {
        try {
          return (
            (await WebAssembly.instantiate(e)).instance.exports.b(BigInt(0)) ===
            BigInt(0)
          );
        } catch (e) {
          return !1;
        }
      })(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 6, 1, 96, 1, 126, 1, 126, 3, 2, 1, 0,
          7, 5, 1, 1, 98, 0, 0, 10, 6, 1, 4, 0, 32, 0, 11,
        ])
      ),
    bulkMemory: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 5, 3, 1,
          0, 1, 10, 14, 1, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0, 11,
        ])
      ),
    exceptions: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 8, 1,
          6, 0, 6, 64, 25, 11, 11,
        ])
      ),
    multiValue: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 6, 1, 96, 0, 2, 127, 127, 3, 2, 1, 0,
          10, 8, 1, 6, 0, 65, 0, 65, 0, 11,
        ])
      ),
    mutableGlobals: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 2, 8, 1, 1, 97, 1, 98, 3, 127, 1, 6, 6,
          1, 127, 1, 65, 0, 11, 7, 5, 1, 1, 97, 3, 1,
        ])
      ),
    referenceTypes: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 7, 1,
          5, 0, 208, 112, 26, 11,
        ])
      ),
    saturatedFloatToInt: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 12, 1,
          10, 0, 67, 0, 0, 0, 0, 252, 0, 26, 11,
        ])
      ),
    signExtensions: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 8, 1,
          6, 0, 65, 0, 192, 26, 11,
        ])
      ),
    simd: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 9, 1,
          7, 0, 65, 0, 253, 15, 26, 11,
        ])
      ),
    tailCall: async () =>
      WebAssembly.validate(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 10, 6, 1,
          4, 0, 18, 0, 11,
        ])
      ),
    threads: () =>
      (async (e) => {
        try {
          return (
            "undefined" != typeof MessageChannel &&
              new MessageChannel().port1.postMessage(new SharedArrayBuffer(1)),
            WebAssembly.validate(e)
          );
        } catch (e) {
          return !1;
        }
      })(
        new Uint8Array([
          0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 2, 1, 0, 5, 4, 1,
          3, 1, 1, 10, 11, 1, 9, 0, 65, 0, 254, 16, 2, 0, 26, 11,
        ])
      ),
  };
});