Initial commit (by create-cloudflare CLI)

cool-dawn-3d3b/node_modules/blake3-wasm/dist/node/hash-instance.js

@@ -0,0 +1,79 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const hash_fn_1 = require("./hash-fn");
+const index_1 = require("../base/index");
+const stream_1 = require("stream");
+const wasm_1 = require("./wasm");
+const hash_reader_1 = require("./hash-reader");
+/**
+ * @inheritdoc
+ */
+class NodeHash extends stream_1.Transform {
+    constructor(implementation, getReader) {
+        super();
+        this.hash = new index_1.BaseHash(implementation, l => Buffer.alloc(l), getReader);
+    }
+    /**
+     * @reader
+     */
+    reader(options) {
+        const reader = this.hash.reader(options);
+        return reader;
+    }
+    /**
+     * @inheritdoc
+     */
+    update(data, encoding) {
+        this.hash.update(hash_fn_1.normalizeInput(data, encoding));
+        return this;
+    }
+    digest(encoding, options) {
+        let resolvedOpts;
+        let resolvedEnc;
+        if (encoding && typeof encoding === 'object') {
+            resolvedOpts = encoding;
+            resolvedEnc = undefined;
+        }
+        else {
+            resolvedOpts = options;
+            resolvedEnc = encoding;
+        }
+        const result = this.hash.digest(resolvedOpts);
+        return resolvedEnc ? result.toString(resolvedEnc) : result;
+    }
+    /**
+     * @inheritdoc
+     */
+    dispose() {
+        this.hash.dispose();
+    }
+    /**
+     * @inheritdoc
+     * @hidden
+     */
+    _transform(chunk, encoding, callback) {
+        this.update(chunk, encoding);
+        callback();
+    }
+    /**
+     * @inheritdoc
+     * @hidden
+     */
+    _flush(callback) {
+        callback(null, this.digest());
+    }
+}
+exports.NodeHash = NodeHash;
+/**
+ * A Node.js crypto-like createHash method.
+ */
+exports.createHash = () => new NodeHash(wasm_1.getWasm().create_hasher(), r => new hash_reader_1.NodeHashReader(r));
+/**
+ * Construct a new Hasher for the keyed hash function.
+ */
+exports.createKeyed = (key) => new NodeHash(wasm_1.getWasm().create_keyed(key), r => new hash_reader_1.NodeHashReader(r));
+/**
+ * Construct a new Hasher for the key derivation function.
+ */
+exports.createDeriveKey = (context) => new NodeHash(wasm_1.getWasm().create_derive(context), r => new hash_reader_1.NodeHashReader(r));
+//# sourceMappingURL=hash-instance.js.map