vek-engine
Version:
Efficient WebAssembly-based vector math engine for JavaScript/TypeScript
110 lines • 12.6 kB
JavaScript
/**
***********************************************************************
* Copyright 2022-present Jonathan Barronville *
* *
* This Source Code Form is subject to the terms of the Mozilla Public *
* License, v. 2.0. If a copy of the MPL was not distributed with this *
* file, You can obtain one at https://mozilla.org/MPL/2.0/. *
***********************************************************************
*/
const isEnvBrowser = (() => {
return (typeof window !== 'undefined' &&
window !== null &&
typeof window.document !== 'undefined' &&
window.document !== null &&
typeof document !== 'undefined' &&
document === window.document);
})();
const isEnvNode = (() => {
return (typeof process !== 'undefined' &&
process !== null &&
typeof process.versions !== 'undefined' &&
process.versions !== null &&
typeof process.versions.node === 'string');
})();
const isEnvDebug = (() => {
if (isEnvBrowser) {
return window._vekDebugModeIsEnabled === true;
}
else if (isEnvNode) {
return (process.env['NODE_ENV'] === 'development' ||
process.env['NODE_ENV'] === 'test');
}
else {
return false;
}
})();
const isEnvRelease = (() => !isEnvDebug)();
const _assertOk = await (async () => {
let ok;
if (isEnvRelease) {
// eslint-disable-next-line @typescript-eslint/no-empty-function
ok = () => { };
}
else if (isEnvBrowser) {
void ({ ok } = await import('assert'));
}
else if (isEnvNode) {
void ({ ok } = await import('node:assert'));
}
else {
throw new TypeError('Could not import the `assert` module');
}
return ok;
})();
function assertOk(value) {
void _assertOk(value);
}
const loadWasmModule = async (imports) => {
const env = (() => {
if (isEnvDebug) {
return 'debug';
}
else if (isEnvRelease) {
return 'release';
}
else {
return 'release';
}
})();
const { instantiate: instantiateModule } = await (async () => {
switch (env) {
case 'debug': {
return import('../dist-wasm/debug.js');
}
case 'release': {
return import('../dist-wasm/release.js');
}
}
})();
const wasmFileUrl = (() => {
switch (env) {
case 'debug': {
return new URL('../dist-wasm/debug.wasm', import.meta.url);
}
case 'release': {
return new URL('../dist-wasm/release.wasm', import.meta.url);
}
}
})();
let module;
if (isEnvBrowser) {
const response = await fetch(wasmFileUrl);
module = await WebAssembly.compileStreaming(response);
}
else if (isEnvNode) {
const { readFile } = await import('node:fs/promises');
const buffer = await readFile(wasmFileUrl);
module = await WebAssembly.compile(buffer);
}
else {
throw new TypeError('Could not load the WebAssembly module');
}
imports = {
env: { ...imports?.env },
};
const exports = await instantiateModule(module, imports);
return Object.freeze({ ...exports });
};
export { assertOk, isEnvBrowser, isEnvDebug, isEnvNode, isEnvRelease, loadWasmModule, };
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If a copy of the MPL was not distributed with this *\n * file, You can obtain one at https://mozilla.org/MPL/2.0/.           *\n ***********************************************************************\n */\n\ndeclare global {\n  interface Window {\n    _vekDebugModeIsEnabled?: boolean\n  }\n}\n\ntype LoadWasmModuleImportsT = {env: Record<string, unknown>}\n\nconst isEnvBrowser = (() => {\n  return (\n    typeof window !== 'undefined' &&\n    window !== null &&\n    typeof window.document !== 'undefined' &&\n    window.document !== null &&\n    typeof document !== 'undefined' &&\n    document === window.document\n  )\n})()\n\nconst isEnvNode = (() => {\n  return (\n    typeof process !== 'undefined' &&\n    process !== null &&\n    typeof process.versions !== 'undefined' &&\n    process.versions !== null &&\n    typeof process.versions.node === 'string'\n  )\n})()\n\nconst isEnvDebug = (() => {\n  if (isEnvBrowser) {\n    return window._vekDebugModeIsEnabled === true\n  } else if (isEnvNode) {\n    return (\n      process.env['NODE_ENV'] === 'development' ||\n      process.env['NODE_ENV'] === 'test'\n    )\n  } else {\n    return false\n  }\n})()\n\nconst isEnvRelease = (() => !isEnvDebug)()\n\nconst _assertOk = await (async () => {\n  type OkT = Awaited<typeof import('node:assert')>['ok']\n\n  let ok: OkT | undefined\n\n  if (isEnvRelease) {\n    // eslint-disable-next-line @typescript-eslint/no-empty-function\n    ok = () => {}\n  } else if (isEnvBrowser) {\n    void ({ok} = await import('assert'))\n  } else if (isEnvNode) {\n    void ({ok} = await import('node:assert'))\n  } else {\n    throw new TypeError('Could not import the `assert` module')\n  }\n\n  return ok\n})()\n\nfunction assertOk(value: unknown): asserts value {\n  void _assertOk(value)\n}\n\nconst loadWasmModule = async (imports?: LoadWasmModuleImportsT) => {\n  const env = (() => {\n    if (isEnvDebug) {\n      return 'debug' as const\n    } else if (isEnvRelease) {\n      return 'release' as const\n    } else {\n      return 'release' as const\n    }\n  })()\n\n  const {instantiate: instantiateModule} = await (async () => {\n    type PromisedModuleT = Promise<\n      Awaited<typeof import('../dist-wasm/debug.js')>\n    >\n\n    switch (env) {\n      case 'debug': {\n        return import('../dist-wasm/debug.js')\n      }\n\n      case 'release': {\n        return import('../dist-wasm/release.js') as unknown as PromisedModuleT\n      }\n    }\n  })()\n\n  const wasmFileUrl = (() => {\n    switch (env) {\n      case 'debug': {\n        return new URL('../dist-wasm/debug.wasm', import.meta.url)\n      }\n\n      case 'release': {\n        return new URL('../dist-wasm/release.wasm', import.meta.url)\n      }\n    }\n  })()\n\n  let module: WebAssembly.Module | undefined\n\n  if (isEnvBrowser) {\n    const response = await fetch(wasmFileUrl)\n\n    module = await WebAssembly.compileStreaming(response)\n  } else if (isEnvNode) {\n    const {readFile} = await import('node:fs/promises')\n\n    const buffer = await readFile(wasmFileUrl)\n\n    module = await WebAssembly.compile(buffer)\n  } else {\n    throw new TypeError('Could not load the WebAssembly module')\n  }\n\n  imports = {\n    env: {...imports?.env},\n  }\n\n  const exports = await instantiateModule(module, imports)\n\n  return Object.freeze({...exports})\n}\n\nexport {\n  assertOk,\n  isEnvBrowser,\n  isEnvDebug,\n  isEnvNode,\n  isEnvRelease,\n  loadWasmModule,\n}\n"]}