tr46.js

An implementation of the Unicode TR46 specification.

Installation

Node.js >= 6 is required. To install, type this at the command line: shell npm install tr46

API

toASCII(domainName[, options])

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

Available options: * checkBidi * checkHyphens * checkJoiners * processingOption * useSTD3ASCIIRules * verifyDNSLength

toUnicode(domainName[, options])

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

Available options: * checkBidi * checkHyphens * checkJoiners * useSTD3ASCIIRules

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.