larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/cache/lib/LMDBCache.js

@@ -0,0 +1,137 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.LMDBCache = void 0;
+function _stream() {
+  const data = _interopRequireDefault(require("stream"));
+  _stream = function () {
+    return data;
+  };
+  return data;
+}
+function _path() {
+  const data = _interopRequireDefault(require("path"));
+  _path = function () {
+    return data;
+  };
+  return data;
+}
+function _util() {
+  const data = require("util");
+  _util = function () {
+    return data;
+  };
+  return data;
+}
+function _core() {
+  const data = require("@parcel/core");
+  _core = function () {
+    return data;
+  };
+  return data;
+}
+function _fs() {
+  const data = require("@parcel/fs");
+  _fs = function () {
+    return data;
+  };
+  return data;
+}
+var _package = _interopRequireDefault(require("../package.json"));
+function _lmdb() {
+  const data = _interopRequireDefault(require("lmdb"));
+  _lmdb = function () {
+    return data;
+  };
+  return data;
+}
+var _FSCache = require("./FSCache");
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+function _classPrivateMethodInitSpec(obj, privateSet) { _checkPrivateRedeclaration(obj, privateSet); privateSet.add(obj); }
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+function _classPrivateMethodGet(receiver, privateSet, fn) { if (!privateSet.has(receiver)) { throw new TypeError("attempted to get private field on non-instance"); } return fn; } // flowlint-next-line untyped-import:off
+// $FlowFixMe
+const pipeline = (0, _util().promisify)(_stream().default.pipeline);
+var _getFilePath = /*#__PURE__*/new WeakSet();
+class LMDBCache {
+  // $FlowFixMe
+
+  constructor(cacheDir) {
+    _classPrivateMethodInitSpec(this, _getFilePath);
+    this.fs = new (_fs().NodeFS)();
+    this.dir = cacheDir;
+    this.fsCache = new _FSCache.FSCache(this.fs, cacheDir);
+    this.store = _lmdb().default.open(cacheDir, {
+      name: 'parcel-cache',
+      encoding: 'binary',
+      compression: true
+    });
+  }
+  ensure() {
+    return Promise.resolve();
+  }
+  serialize() {
+    return {
+      dir: this.dir
+    };
+  }
+  static deserialize(opts) {
+    return new LMDBCache(opts.dir);
+  }
+  has(key) {
+    return Promise.resolve(this.store.get(key) != null);
+  }
+  get(key) {
+    let data = this.store.get(key);
+    if (data == null) {
+      return Promise.resolve(null);
+    }
+    return Promise.resolve((0, _core().deserialize)(data));
+  }
+  async set(key, value) {
+    await this.setBlob(key, (0, _core().serialize)(value));
+  }
+  getStream(key) {
+    return this.fs.createReadStream(_path().default.join(this.dir, key));
+  }
+  setStream(key, stream) {
+    return pipeline(stream, this.fs.createWriteStream(_path().default.join(this.dir, key)));
+  }
+  getBlob(key) {
+    let buffer = this.store.get(key);
+    return buffer != null ? Promise.resolve(buffer) : Promise.reject(new Error(`Key ${key} not found in cache`));
+  }
+  async setBlob(key, contents) {
+    await this.store.put(key, contents);
+  }
+  getBuffer(key) {
+    return Promise.resolve(this.store.get(key));
+  }
+  hasLargeBlob(key) {
+    return this.fs.exists(_classPrivateMethodGet(this, _getFilePath, _getFilePath2).call(this, key, 0));
+  }
+
+  // eslint-disable-next-line require-await
+  async getLargeBlob(key) {
+    return this.fsCache.getLargeBlob(key);
+  }
+
+  // eslint-disable-next-line require-await
+  async setLargeBlob(key, contents, options) {
+    return this.fsCache.setLargeBlob(key, contents, options);
+  }
+  refresh() {
+    // Reset the read transaction for the store. This guarantees that
+    // the next read will see the latest changes to the store.
+    // Useful in scenarios where reads and writes are multi-threaded.
+    // See https://github.com/kriszyp/lmdb-js#resetreadtxn-void
+    this.store.resetReadTxn();
+  }
+}
+exports.LMDBCache = LMDBCache;
+function _getFilePath2(key, index) {
+  return _path().default.join(this.dir, `${key}-${index}`);
+}
+(0, _core().registerSerializableClass)(`${_package.default.version}:LMDBCache`, LMDBCache);