lib0/dist/buffer-c775e94f.cjs.map

> Monorepo of isomorphic utility functions

{"version":3,"file":"buffer-c775e94f.cjs","sources":["../buffer.js"],"sourcesContent":["/**\n * Utility functions to work with buffers (Uint8Array).\n *\n * @module buffer\n */\n\nimport * as string from './string.js'\nimport * as env from './environment.js'\nimport * as array from './array.js'\nimport * as math from './math.js'\nimport * as encoding from './encoding.js'\nimport * as decoding from './decoding.js'\n\n/**\n * @param {number} len\n */\nexport const createUint8ArrayFromLen = len => new Uint8Array(len)\n\n/**\n * Create Uint8Array with initial content from buffer\n *\n * @param {ArrayBuffer} buffer\n * @param {number} byteOffset\n * @param {number} length\n */\nexport const createUint8ArrayViewFromArrayBuffer = (buffer, byteOffset, length) => new Uint8Array(buffer, byteOffset, length)\n\n/**\n * Create Uint8Array with initial content from buffer\n *\n * @param {ArrayBuffer} buffer\n */\nexport const createUint8ArrayFromArrayBuffer = buffer => new Uint8Array(buffer)\n\n/* c8 ignore start */\n/**\n * @param {Uint8Array} bytes\n * @return {string}\n */\nconst toBase64Browser = bytes => {\n  let s = ''\n  for (let i = 0; i < bytes.byteLength; i++) {\n    s += string.fromCharCode(bytes[i])\n  }\n  // eslint-disable-next-line no-undef\n  return btoa(s)\n}\n/* c8 ignore stop */\n\n/**\n * @param {Uint8Array} bytes\n * @return {string}\n */\nconst toBase64Node = bytes => Buffer.from(bytes.buffer, bytes.byteOffset, bytes.byteLength).toString('base64')\n\n/* c8 ignore start */\n/**\n * @param {string} s\n * @return {Uint8Array}\n */\nconst fromBase64Browser = s => {\n  // eslint-disable-next-line no-undef\n  const a = atob(s)\n  const bytes = createUint8ArrayFromLen(a.length)\n  for (let i = 0; i < a.length; i++) {\n    bytes[i] = a.charCodeAt(i)\n  }\n  return bytes\n}\n/* c8 ignore stop */\n\n/**\n * @param {string} s\n */\nconst fromBase64Node = s => {\n  const buf = Buffer.from(s, 'base64')\n  return createUint8ArrayViewFromArrayBuffer(buf.buffer, buf.byteOffset, buf.byteLength)\n}\n\n/* c8 ignore next */\nexport const toBase64 = env.isBrowser ? toBase64Browser : toBase64Node\n\n/* c8 ignore next */\nexport const fromBase64 = env.isBrowser ? fromBase64Browser : fromBase64Node\n\n/**\n * Implements base64url - see https://datatracker.ietf.org/doc/html/rfc4648#section-5\n * @param {Uint8Array} buf\n */\nexport const toBase64UrlEncoded = buf => toBase64(buf).replaceAll('+', '-').replaceAll('/', '_').replaceAll('=', '')\n\n/**\n * @param {string} base64\n */\nexport const fromBase64UrlEncoded = base64 => fromBase64(base64.replaceAll('-', '+').replaceAll('_', '/'))\n\n/**\n * Base64 is always a more efficient choice. This exists for utility purposes only.\n *\n * @param {Uint8Array} buf\n */\nexport const toHexString = buf => array.map(buf, b => b.toString(16).padStart(2, '0')).join('')\n\n/**\n * Note: This function expects that the hex doesn't start with 0x..\n *\n * @param {string} hex\n */\nexport const fromHexString = hex => {\n  const hlen = hex.length\n  const buf = new Uint8Array(math.ceil(hlen / 2))\n  for (let i = 0; i < hlen; i += 2) {\n    buf[buf.length - i / 2 - 1] = Number.parseInt(hex.slice(hlen - i - 2, hlen - i), 16)\n  }\n  return buf\n}\n\n/**\n * Copy the content of an Uint8Array view to a new ArrayBuffer.\n *\n * @param {Uint8Array} uint8Array\n * @return {Uint8Array}\n */\nexport const copyUint8Array = uint8Array => {\n  const newBuf = createUint8ArrayFromLen(uint8Array.byteLength)\n  newBuf.set(uint8Array)\n  return newBuf\n}\n\n/**\n * Encode anything as a UInt8Array. It's a pun on typescripts's `any` type.\n * See encoding.writeAny for more information.\n *\n * @param {any} data\n * @return {Uint8Array}\n */\nexport const encodeAny = data =>\n  encoding.encode(encoder => encoding.writeAny(encoder, data))\n\n/**\n * Decode an any-encoded value.\n *\n * @param {Uint8Array} buf\n * @return {any}\n */\nexport const decodeAny = buf => decoding.readAny(decoding.createDecoder(buf))\n\n/**\n * Shift Byte Array {N} bits to the left. Does not expand byte array.\n *\n * @param {Uint8Array} bs\n * @param {number} N should be in the range of [0-7]\n */\nexport const shiftNBitsLeft = (bs, N) => {\n  if (N === 0) return bs\n  bs = new Uint8Array(bs)\n  bs[0] <<= N\n  for (let i = 1; i < bs.length; i++) {\n    bs[i - 1] |= bs[i] >>> (8 - N)\n    bs[i] <<= N\n  }\n  return bs\n}\n"],"names":["string.fromCharCode","env.isBrowser","array.map","math.ceil","encoding.encode","encoding.writeAny","decoding.readAny","decoding.createDecoder"],"mappings":";;;;;;;;;AAAA;AACA;AACA;AACA;AACA;AAQA;AACA;AACA;AACA;AACY,MAAC,uBAAuB,GAAG,GAAG,IAAI,IAAI,UAAU,CAAC,GAAG,EAAC;AACjE;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,mCAAmC,GAAG,CAAC,MAAM,EAAE,UAAU,EAAE,MAAM,KAAK,IAAI,UAAU,CAAC,MAAM,EAAE,UAAU,EAAE,MAAM,EAAC;AAC7H;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,+BAA+B,GAAG,MAAM,IAAI,IAAI,UAAU,CAAC,MAAM,EAAC;AAC/E;AACA;AACA;AACA;AACA;AACA;AACA,MAAM,eAAe,GAAG,KAAK,IAAI;AACjC,EAAE,IAAI,CAAC,GAAG,GAAE;AACZ,EAAE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,UAAU,EAAE,CAAC,EAAE,EAAE;AAC7C,IAAI,CAAC,IAAIA,mBAAmB,CAAC,KAAK,CAAC,CAAC,CAAC,EAAC;AACtC,GAAG;AACH;AACA,EAAE,OAAO,IAAI,CAAC,CAAC,CAAC;AAChB,EAAC;AACD;AACA;AACA;AACA;AACA;AACA;AACA,MAAM,YAAY,GAAG,KAAK,IAAI,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,MAAM,EAAE,KAAK,CAAC,UAAU,EAAE,KAAK,CAAC,UAAU,CAAC,CAAC,QAAQ,CAAC,QAAQ,EAAC;AAC9G;AACA;AACA;AACA;AACA;AACA;AACA,MAAM,iBAAiB,GAAG,CAAC,IAAI;AAC/B;AACA,EAAE,MAAM,CAAC,GAAG,IAAI,CAAC,CAAC,EAAC;AACnB,EAAE,MAAM,KAAK,GAAG,uBAAuB,CAAC,CAAC,CAAC,MAAM,EAAC;AACjD,EAAE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;AACrC,IAAI,KAAK,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,UAAU,CAAC,CAAC,EAAC;AAC9B,GAAG;AACH,EAAE,OAAO,KAAK;AACd,EAAC;AACD;AACA;AACA;AACA;AACA;AACA,MAAM,cAAc,GAAG,CAAC,IAAI;AAC5B,EAAE,MAAM,GAAG,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC,EAAE,QAAQ,EAAC;AACtC,EAAE,OAAO,mCAAmC,CAAC,GAAG,CAAC,MAAM,EAAE,GAAG,CAAC,UAAU,EAAE,GAAG,CAAC,UAAU,CAAC;AACxF,EAAC;AACD;AACA;AACY,MAAC,QAAQ,GAAGC,qBAAa,GAAG,eAAe,GAAG,aAAY;AACtE;AACA;AACY,MAAC,UAAU,GAAGA,qBAAa,GAAG,iBAAiB,GAAG,eAAc;AAC5E;AACA;AACA;AACA;AACA;AACY,MAAC,kBAAkB,GAAG,GAAG,IAAI,QAAQ,CAAC,GAAG,CAAC,CAAC,UAAU,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,UAAU,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,UAAU,CAAC,GAAG,EAAE,EAAE,EAAC;AACpH;AACA;AACA;AACA;AACY,MAAC,oBAAoB,GAAG,MAAM,IAAI,UAAU,CAAC,MAAM,CAAC,UAAU,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,UAAU,CAAC,GAAG,EAAE,GAAG,CAAC,EAAC;AAC1G;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,WAAW,GAAG,GAAG,IAAIC,SAAS,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,QAAQ,CAAC,CAAC,EAAE,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,EAAE,EAAC;AAC/F;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,aAAa,GAAG,GAAG,IAAI;AACpC,EAAE,MAAM,IAAI,GAAG,GAAG,CAAC,OAAM;AACzB,EAAE,MAAM,GAAG,GAAG,IAAI,UAAU,CAACC,SAAS,CAAC,IAAI,GAAG,CAAC,CAAC,EAAC;AACjD,EAAE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,EAAE,CAAC,IAAI,CAAC,EAAE;AACpC,IAAI,GAAG,CAAC,GAAG,CAAC,MAAM,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,MAAM,CAAC,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,IAAI,GAAG,CAAC,GAAG,CAAC,EAAE,IAAI,GAAG,CAAC,CAAC,EAAE,EAAE,EAAC;AACxF,GAAG;AACH,EAAE,OAAO,GAAG;AACZ,EAAC;AACD;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,cAAc,GAAG,UAAU,IAAI;AAC5C,EAAE,MAAM,MAAM,GAAG,uBAAuB,CAAC,UAAU,CAAC,UAAU,EAAC;AAC/D,EAAE,MAAM,CAAC,GAAG,CAAC,UAAU,EAAC;AACxB,EAAE,OAAO,MAAM;AACf,EAAC;AACD;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,SAAS,GAAG,IAAI;AAC7B,EAAEC,eAAe,CAAC,OAAO,IAAIC,iBAAiB,CAAC,OAAO,EAAE,IAAI,CAAC,EAAC;AAC9D;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,SAAS,GAAG,GAAG,IAAIC,gBAAgB,CAACC,sBAAsB,CAAC,GAAG,CAAC,EAAC;AAC7E;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,cAAc,GAAG,CAAC,EAAE,EAAE,CAAC,KAAK;AACzC,EAAE,IAAI,CAAC,KAAK,CAAC,EAAE,OAAO,EAAE;AACxB,EAAE,EAAE,GAAG,IAAI,UAAU,CAAC,EAAE,EAAC;AACzB,EAAE,EAAE,CAAC,CAAC,CAAC,KAAK,EAAC;AACb,EAAE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,EAAE,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;AACtC,IAAI,EAAE,CAAC,CAAC,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,GAAG,CAAC,EAAC;AAClC,IAAI,EAAE,CAAC,CAAC,CAAC,KAAK,EAAC;AACf,GAAG;AACH,EAAE,OAAO,EAAE;AACX;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}