sorted-joyo-kanji/lib/index.js

Sorted array of the Joyo Kanji

/**
 * @author Kenichiro Murata
 * @copyright 2015 Kenichiro Murata
 * @license MIT
 */

'use strict';

/**
 * Dependencies.
 */
var joyoKanji = require('joyo-kanji').kanji;
var codePoint = require('code-point');
var SortedArray = require('sorted-array');
var each = require('amp-each');

/*
 * Setup.
 */
var sortedJoyoKanji = SortedArray.comparing(function (item) {
  return codePoint(item);
}, joyoKanji);

var sortedCodePoint = new SortedArray([]);
each(sortedJoyoKanji.array, function (item) {
  return sortedCodePoint.insert(codePoint(item));
});

/*
 * Expose.
 */
module.exports = {
  kanji: sortedJoyoKanji.array,
  codepoint: sortedCodePoint.array,
  isJoyo: function isJoyo(value) {
    return sortedCodePoint.search(codePoint(value)) !== -1;
  }
};
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