Correct some typos, expose codecs in the main module (woops), and provide Typescript types (d.ts files)

types/io/bytebuffer.d.ts

@@ -0,0 +1,41 @@
+export const ByteBuffer: {
+    new (numBytes: number): {
+        /**
+         * @type {Uint8Array}
+         * @public
+         */
+        data: Uint8Array;
+        /**
+         * @type {number}
+         * @public
+         */
+        ptr: number;
+        /**
+         * @param {number} b The byte to insert.
+         */
+        insertByte(b: number): void;
+        /**
+         * @param {Array.<number>|Uint8Array|Int8Array} bytes The bytes to insert.
+         */
+        insertBytes(bytes: Array<number> | Uint8Array | Int8Array): void;
+        /**
+         * Writes an unsigned number into the next n bytes.  If the number is too large
+         * to fit into n bytes or is negative, an error is thrown.
+         * @param {number} num The unsigned number to write.
+         * @param {number} numBytes The number of bytes to write the number into.
+         */
+        writeNumber(num: number, numBytes: number): void;
+        /**
+         * Writes a signed number into the next n bytes.  If the number is too large
+         * to fit into n bytes, an error is thrown.
+         * @param {number} num The signed number to write.
+         * @param {number} numBytes The number of bytes to write the number into.
+         */
+        writeSignedNumber(num: number, numBytes: number): void;
+        /**
+         * @param {string} str The ASCII string to write.
+         */
+        writeASCIIString(str: string): void;
+    };
+};
+//# sourceMappingURL=bytebuffer.d.ts.map