function readMetadataValue()

in packages/gguf/src/gguf.ts [190:235]

• 46 lines of code
• 15 McCabe index (conditional complexity)

function readMetadataValue(
	view: DataView,
	type: GGUFValueType,
	offset: number,
	version: Version,
	littleEndian: boolean
): Slice<MetadataValue> {
	switch (type) {
		case GGUFValueType.UINT8:
			return { value: view.getUint8(offset), length: 1 };
		case GGUFValueType.INT8:
			return { value: view.getInt8(offset), length: 1 };
		case GGUFValueType.UINT16:
			return { value: view.getUint16(offset, littleEndian), length: 2 };
		case GGUFValueType.INT16:
			return { value: view.getInt16(offset, littleEndian), length: 2 };
		case GGUFValueType.UINT32:
			return { value: view.getUint32(offset, littleEndian), length: 4 };
		case GGUFValueType.INT32:
			return { value: view.getInt32(offset, littleEndian), length: 4 };
		case GGUFValueType.FLOAT32:
			return { value: view.getFloat32(offset, littleEndian), length: 4 };
		case GGUFValueType.BOOL:
			return { value: view.getUint8(offset) !== 0, length: 1 };
		case GGUFValueType.STRING:
			return readString(view, offset, version, littleEndian);
		case GGUFValueType.ARRAY: {
			const arrayType = view.getUint32(offset, littleEndian);
			const arrayLength = readVersionedSize(view, offset + 4, version, littleEndian);
			let length = 4 + arrayLength.length;
			const arrayValues: MetadataValue[] = [];
			for (let i = 0; i < arrayLength.value; i++) {
				const metadataValue = readMetadataValue(view, arrayType, offset + length, version, littleEndian);
				arrayValues.push(metadataValue.value);
				length += metadataValue.length;
			}
			return { value: arrayValues, length };
		}
		case GGUFValueType.UINT64:
			return { value: view.getBigUint64(offset, littleEndian), length: 8 };
		case GGUFValueType.INT64:
			return { value: view.getBigInt64(offset, littleEndian), length: 8 };
		case GGUFValueType.FLOAT64:
			return { value: view.getFloat64(offset, littleEndian), length: 8 };
	}
}