UNPKG

@pkerschbaum/code-oss-file-service

Version:

VS Code ([microsoft/vscode](https://github.com/microsoft/vscode)) includes a rich "`FileService`" and "`DiskFileSystemProvider`" abstraction built on top of Node.js core modules (`fs`, `path`) and Electron's `shell` module. This package allows to use that

60 lines (51 loc) 1.64 kB
/*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the MIT License. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ export const enum Constants { /** * MAX SMI (SMall Integer) as defined in v8. * one bit is lost for boxing/unboxing flag. * one bit is lost for sign flag. * See https://thibaultlaurens.github.io/javascript/2013/04/29/how-the-v8-engine-works/#tagged-values */ MAX_SAFE_SMALL_INTEGER = 1 << 30, /** * MIN SMI (SMall Integer) as defined in v8. * one bit is lost for boxing/unboxing flag. * one bit is lost for sign flag. * See https://thibaultlaurens.github.io/javascript/2013/04/29/how-the-v8-engine-works/#tagged-values */ MIN_SAFE_SMALL_INTEGER = -(1 << 30), /** * Max unsigned integer that fits on 8 bits. */ MAX_UINT_8 = 255, // 2^8 - 1 /** * Max unsigned integer that fits on 16 bits. */ MAX_UINT_16 = 65535, // 2^16 - 1 /** * Max unsigned integer that fits on 32 bits. */ MAX_UINT_32 = 4294967295, // 2^32 - 1 UNICODE_SUPPLEMENTARY_PLANE_BEGIN = 0x010000 } export function toUint8(v: number): number { if (v < 0) { return 0; } if (v > Constants.MAX_UINT_8) { return Constants.MAX_UINT_8; } return v | 0; } export function toUint32(v: number): number { if (v < 0) { return 0; } if (v > Constants.MAX_UINT_32) { return Constants.MAX_UINT_32; } return v | 0; }