{"id":16178056,"url":"https://github.com/javiercejudo/base-conversion","last_synced_at":"2026-01-21T17:35:35.208Z","repository":{"id":142735524,"uuid":"51679144","full_name":"javiercejudo/base-conversion","owner":"javiercejudo","description":"Convert between arbitrary bases","archived":false,"fork":false,"pushed_at":"2017-01-27T08:45:22.000Z","size":30,"stargazers_count":3,"open_issues_count":28,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-02-13T20:31:03.762Z","etag":null,"topics":["base","base-conversion","conversion","radix"],"latest_commit_sha":null,"homepage":"https://www.npmjs.com/package/base-conversion","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/javiercejudo.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2016-02-14T04:11:17.000Z","updated_at":"2023-03-10T11:20:36.000Z","dependencies_parsed_at":"2023-04-22T00:27:56.027Z","dependency_job_id":null,"html_url":"https://github.com/javiercejudo/base-conversion","commit_stats":null,"previous_names":[],"tags_count":14,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/javiercejudo%2Fbase-conversion","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/javiercejudo%2Fbase-conversion/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/javiercejudo%2Fbase-conversion/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/javiercejudo%2Fbase-conversion/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/javiercejudo","download_url":"https://codeload.github.com/javiercejudo/base-conversion/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247712050,"owners_count":20983629,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["base","base-conversion","conversion","radix"],"created_at":"2024-10-10T05:11:55.976Z","updated_at":"2026-01-21T17:35:35.165Z","avatar_url":"https://github.com/javiercejudo.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# base-conversion\n\n[![Build Status](https://travis-ci.org/javiercejudo/base-conversion.svg)](https://travis-ci.org/javiercejudo/base-conversion)\n[![Coverage Status](https://coveralls.io/repos/javiercejudo/base-conversion/badge.svg?branch=master)](https://coveralls.io/r/javiercejudo/base-conversion?branch=master)\n[![Code Climate](https://codeclimate.com/github/javiercejudo/base-conversion/badges/gpa.svg)](https://codeclimate.com/github/javiercejudo/base-conversion)\n\nAuto-curried converter between any bases with arbitrary precision support and customisable symbols\n\n## Install\n\n    npm i base-conversion\n\n## Basic usage\n\n```js\nvar bc = require('base-conversion');\nvar hexToBin = bc(16, 2);\n\nhexToBin('A'); //=\u003e '1010'\nhexToBin('1E'); //=\u003e '11110'\n```\n\nSee [spec](test/spec.js).\n\n## Custom symbols\n\nFor any bases above 62, custom symbols are required.\nSee [tests](test/bigint-base-converter.js) for working examples.\n\n```js\nvar bc = require('base-conversion');\n\nbc.symbols('⓿①②③④⑤⑥⑦⑧⑨ⒶⒷ', 8, 12, '⑦③'); //=\u003e '④Ⓑ'\n```\n\n## Symbol translation\n\nTo convert between different sets of symbols, use `bc.translate`:\n\n```js\nvar bc = require('base-conversion');\nvar pipe = require('ramda/src/pipe');\n\nvar hexToDuoNormal = bc(16, 12);\nvar hexToDuoCustom = pipe(hexToDuo, bc.translate('0123456789ᘔƐ'));\n\nhexToDuoNormal('10B'); // =\u003e '1A3'\nhexToDuoCustom('10B'); // =\u003e '1ᘔ3'\n```\n\nTo use it to translate from custom symbols, use `bc.translateRaw`:\n\n```js\nvar mySymbols = '⓿①②③④⑤⑥⑦⑧⑨⑩⑪⑫⑬⑭⑮';\nvar myTranslate = bc.translateRaw(mySymbols);\n\nvar hexToDuoFancy = bc.symbols(mySymbols, 16, 12);\nvar hexToDuoCustom = pipe(hexToDuoFancy, myTranslate('0123456789ᘔƐ'));\n\nhexToDuoFancy('①⓿⑪'); //=\u003e '①⑩③'\nhexToDuoCustom('①⓿⑪'); //=\u003e '1ᘔ3'\n```\n\n## Arbitrary precision\n\n```js\nvar bc = require('base-conversion');\nvar Big = require('arbitrary-precision')(require('bigjs-adapter'));\nvar toBigFactory = require('to-decimal-arbitrary-precision');\n\nvar d = toBigFactory(Big);\n\n// avoid large numbers to go into exponential notation (adapter dependent)\nBig.Impl.E_POS = 50;\n\nbc.big(d, 10, 9, '5678364565345634563456346757364563534534645745');\n//=\u003e '802531310452364303450750087576673257456135727727'\n\n// equivalent but it skips a trivial decimal to decimal conversion\nbc.fromDecimal.big(d, 9, '5678364565345634563456346757364563534534645745');\n//=\u003e '802531310452364303450750087576673257456135727727'\n```\n\n## Full raw version\n\n```js\nvar bc = require('base-conversion');\nvar Big = require('arbitrary-precision')(require('bigjs-adapter'));\nvar toBigFactory = require('to-decimal-arbitrary-precision');\n\nvar d = toBigFactory(Big);\n\n// avoid large numbers to go into exponential notation (adapter dependent)\nBig.Impl.E_POS = 50;\n\nbc.raw(d, '01234#6789', 10, 9, '#678364#6#34#634#634#63467#7364#63#34#3464#74#');\n//=\u003e '802#313104#23643034#07#0087#766732#74#613#727727'\n\n// equivalent\nbc.fromDecimal.raw(d, '01234#6789', 9, '#678364#6#34#634#634#63467#7364#63#34#3464#74#');\n//=\u003e '802#313104#23643034#07#0087#766732#74#613#727727'\n```\n\n## Defaults\n\nThe default symbols and big implementation are exposed as follows:\n\n```js\nbc.defaultSymbols; //=\u003e '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'\nbc.defaultB; //=\u003e default arbitrary precision implementation (plus, times, div, mod \u0026 pow)\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjaviercejudo%2Fbase-conversion","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjaviercejudo%2Fbase-conversion","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjaviercejudo%2Fbase-conversion/lists"}