tr46 (2.1.0)

Published 2026-02-24 14:06:21 +00:00 by atheaadmin

Installation

registry=
npm install tr46@2.1.0
"tr46": "2.1.0"

About this package

tr46

An JavaScript implementation of Unicode Technical Standard #46: Unicode IDNA Compatibility Processing.

Installation

Node.js ≥ 8 is required. To install, type this at the command line:

npm install tr46
# or
yarn add tr46

API

toASCII(domainName[, options])

Converts a string of Unicode symbols to a case-folded Punycode string of ASCII symbols.

Available options:

toUnicode(domainName[, options])

Converts a case-folded Punycode string of ASCII symbols to a string of Unicode symbols.

Available options:

Options

checkBidi

Type: Boolean
Default value: false
When set to true, any bi-directional text within the input will be checked for validation.

checkHyphens

Type: Boolean
Default value: false
When set to true, the positions of any hyphen characters within the input will be checked for validation.

checkJoiners

Type: Boolean
Default value: false
When set to true, any word joiner characters within the input will be checked for validation.

processingOption

Type: String
Default value: "nontransitional"
When set to "transitional", symbols within the input will be validated according to the older IDNA2003 protocol. When set to "nontransitional", the current IDNA2008 protocol will be used.

useSTD3ASCIIRules

Type: Boolean
Default value: false
When set to true, input will be validated according to STD3 Rules.

verifyDNSLength

Type: Boolean
Default value: false
When set to true, the length of each DNS label within the input will be checked for validation.

Dependencies

Dependencies

ID Version
punycode ^2.1.1

Development Dependencies

ID Version
eslint ^7.27.0
mocha ^8.4.0
node-fetch ^2.6.0
regenerate ^1.4.2
unicode-13.0.0 ^0.8.0

Keywords

unicode tr46 uts46 punycode url whatwg
Details
npm
2026-02-24 14:06:21 +00:00
0
Sebastian Mayr
MIT
latest
59 KiB
Assets (1)
Versions (3) View all
2.1.0 2026-02-24
0.0.3 2026-02-24
1.0.1 2026-02-24