IVS.js

Node.js module that supplies mutual IVS conversion between Adobe-Japan and Hanyo-denshi(Moji_Joho).

This package includes database for mutual conversion of IVS, which is generated from GlyphWiki's aliasing information.

Install

npm install ivs

Use

var IVS = require('ivs');
var ivs = new IVS(function () {
    ivs.HD('葛󠄁飾󠄀区󠄀'); // -> '葛󠄃飾󠄂区󠄀'
});

Usage

new IVS([options], [callback])

Constructor.

• options: Object, options.
  • options.ivd: String, the path to ivd.json file. Valid only in browser. Default is the same directory to the ivs.js file.
• callback: Function(error), called when IVS converter is ready.
  • error: Error, supplied if construction failed.

ivs.unify(category, string)

Unify IVSes in the given string to the given type

• category: String, The IVS category to which the IVSes will be unified to. 'AJ' and 'HD' are supported.
• string: String, to convert.
• Returns: String, IVS-Unified string

ivs.AJ(string)

Unify IVSes in given string to Adobe-Japan1. Alias to IVS.unify('AJ', string).

• string: String, to convert.

ivs.HD(string)

Unify IVSes in given string to Hanyo-Denshi. Alias to IVS.unify('HD', string).

• string: String, to convert.

ivs.strip(string, [options])

Completely strip IVSes from given string.

• string: String, to convert.
• options: Object, options.
  • options.resolve: Boolean, Some of the default glyphs in GlyphWiki is linked to IVDes of other code points. This option resolves mapping to other code points as conversion. Default is false.
• Returns: String, IVS-stripped string

ivs.append(string, [options])

Append IVSes for non-IVSed kanjies in given string using default glyphs in GlyphWiki.

• string: String, to convert.
• options: Object, options.
  • options.category: String, The IVS category used to append IVS which is the one of 'AJ', 'HD', 'AJonly', 'HDonly'. Default is 'AJ'.
  • options.force: Boolean, This option forces to append U+E0100 if default glyph was not found in IVD. Note that this doesn't affect kanjies which is not documented in IVD. Default is true.
  • options.resolve: Boolean, Some of the default glyphs in GlyphWiki is linked to IVDes of other code points. This option resolves mapping to other code points as conversion. Default is false.
• Returns: String, IVSed string.

ivs.forEachKanji(string, callback)

Execute function for each Kanji and IVS (if exists) in given string

• string: String, in which this function seeks for Kanji
• callback: Function(kanji, ivs, index), called every time when Kanji was found
  • kanji: String, the IVS-stripped version of found kanji.
  • ivs: String, stacking IVS of found kanji. If no IVS is stacking, zero-length string is supplied.
  • index: Number, index of found kanji in given string.