{"_id":"@multiformats/base-x","_rev":"3276906","name":"@multiformats/base-x","description":"Fast base encoding / decoding of any given alphabet","dist-tags":{"latest":"4.0.1"},"maintainers":[{"name":"achingbrain","email":"alex@achingbrain.net"},{"name":"alanshaw","email":""},{"name":"daviddias","email":"daviddias.p@gmail.com"},{"name":"hugomrdias","email":"mail@hugodias.me"},{"name":"lidel","email":""},{"name":"mikeal","email":""},{"name":"npm-service-account-multiformats","email":""},{"name":"rvagg","email":""},{"name":"vascosantos","email":"santos.vasco10@gmail.com"},{"name":"vmx","email":""}],"time":{"modified":"2024-03-21T10:32:01.000Z","created":"2020-09-16T21:57:05.033Z","4.0.1":"2020-09-16T22:01:28.011Z","4.0.0":"2020-09-16T21:57:05.033Z"},"users":{},"author":{"name":"Daniel Cousens"},"repository":{"type":"git","url":"https://github.com/gozala/@multiformats/base-x.git"},"versions":{"4.0.1":{"name":"@multiformats/base-x","version":"4.0.1","description":"Fast base encoding / decoding of any given alphabet","keywords":["base-x","base58","base62","base64","crypto","crytography","decode","decoding","encode","encoding"],"homepage":"https://github.com/gozala/@multiformats/base-x","bugs":{"url":"https://github.com/gozala/@multiformats/base-x/issues"},"license":"MIT","author":{"name":"Daniel Cousens"},"main":"src/index.js","types":"src/index.d.ts","repository":{"type":"git","url":"https://github.com/gozala/@multiformats/base-x.git"},"scripts":{"build":"tsc -p ./tsconfig.json ; 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standard --fix","gitdiff":"npm run build && git diff --exit-code","prepublish":"npm run gitdiff","standard":"standard","test":"npm run unit && npm run standard","unit":"tape test/*.js"},"devDependencies":{"@types/node":"12.0.10","standard":"^10.0.3","tape":"^4.5.1","typescript":"3.5.2"},"gitHead":"cd2e383108e6fd9a12424db1ffc2b77a8df23784","_id":"@multiformats/base-x@4.0.0","_nodeVersion":"14.10.1","_npmVersion":"6.14.8","dist":{"shasum":"dc0a6c40f4c2221b311faed4ce73a1bb6b096ca6","size":4108,"noattachment":false,"key":"/@multiformats/base-x/-/@multiformats/base-x-4.0.0.tgz","tarball":"http://registry.cnpm.dingdandao.com/@multiformats/base-x/download/@multiformats/base-x-4.0.0.tgz"},"maintainers":[{"name":"achingbrain","email":"alex@achingbrain.net"},{"name":"alanshaw","email":""},{"name":"daviddias","email":"daviddias.p@gmail.com"},{"name":"hugomrdias","email":"mail@hugodias.me"},{"name":"lidel","email":""},{"name":"mikeal","email":""},{"name":"npm-service-account-multiformats","email":""},{"name":"rvagg","email":""},{"name":"vascosantos","email":"santos.vasco10@gmail.com"},{"name":"vmx","email":""}],"_npmUser":{"name":"mikeal","email":"mikeal.rogers@gmail.com"},"directories":{},"_npmOperationalInternal":{"host":"s3://npm-registry-packages","tmp":"tmp/base-x_4.0.0_1600293424892_0.7412966418471054"},"_hasShrinkwrap":false,"publish_time":1600293425033,"_cnpm_publish_time":1600293425033,"_cnpmcore_publish_time":"2021-12-16T13:31:47.381Z"}},"readme":"# base-x\n\n(Hopefully temporary) fork of [base-x](https://github.com/cryptocoinjs/@multiformats/base-x) library which removed node [Buffer](https://nodejs.org/api/buffer.html) dependecy.\n\n[![NPM Package](https://img.shields.io/npm/v/@multiformats/base-x.svg?style=flat-square)](https://www.npmjs.org/package/@multiformats/base-x)\n[![Build Status](https://img.shields.io/travis/cryptocoinjs/@multiformats/base-x.svg?branch=master&style=flat-square)](https://travis-ci.org/cryptocoinjs/@multiformats/base-x)\n\n[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)\n\nFast base encoding / decoding of any given alphabet using bitcoin style leading\nzero compression.\n\n**WARNING:** This module is **NOT RFC3548** compliant, it cannot be used for base16 (hex), base32, or base64 encoding in a standards compliant manner. \n\n## Example\n\nBase58\n\n``` javascript\nvar BASE58 = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'\nvar bs58 = require('@multiformats/base-x')(BASE58)\n\nvar decoded = bs58.decode('5Kd3NBUAdUnhyzenEwVLy9pBKxSwXvE9FMPyR4UKZvpe6E3AgLr')\n\nconsole.log(decoded)\n// => \n\nconsole.log(bs58.encode(decoded))\n// => 5Kd3NBUAdUnhyzenEwVLy9pBKxSwXvE9FMPyR4UKZvpe6E3AgLr\n```\n\n### Alphabets\n\nSee below for a list of commonly recognized alphabets, and their respective base.\n\nBase | Alphabet\n------------- | -------------\n2 | `01`\n8 | `01234567`\n11 | `0123456789a`\n16 | `0123456789abcdef`\n32 | `0123456789ABCDEFGHJKMNPQRSTVWXYZ`\n32 | `ybndrfg8ejkmcpqxot1uwisza345h769` (z-base-32)\n36 | `0123456789abcdefghijklmnopqrstuvwxyz`\n58 | `123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz`\n62 | `0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ`\n64 | `ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/`\n66 | `ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.!~`\n\n\n## How it works\n\nIt encodes octet arrays by doing long divisions on all significant digits in the\narray, creating a representation of that number in the new base. Then for every\nleading zero in the input (not significant as a number) it will encode as a\nsingle leader character. This is the first in the alphabet and will decode as 8\nbits. The other characters depend upon the base. For example, a base58 alphabet\npacks roughly 5.858 bits per character.\n\nThis means the encoded string 000f (using a base16, 0-f alphabet) will actually decode\nto 4 bytes unlike a canonical hex encoding which uniformly packs 4 bits into each\ncharacter.\n\nWhile unusual, this does mean that no padding is required and it works for bases\nlike 43. \n\n\n## LICENSE [MIT](LICENSE)\nA direct derivation of the base58 implementation from [`bitcoin/bitcoin`](https://github.com/bitcoin/bitcoin/blob/f1e2f2a85962c1664e4e55471061af0eaa798d40/src/base58.cpp), generalized for variable length alphabets.\n","_attachments":{},"homepage":"https://github.com/gozala/@multiformats/base-x","bugs":{"url":"https://github.com/gozala/@multiformats/base-x/issues"},"license":"MIT"}