RosettaCodeData/Task/Soundex/JavaScript/soundex-3.js

130 lines
3.7 KiB
JavaScript

(() => {
'use strict';
// Simple Soundex or NARA Soundex (if blnNara = true)
// soundex :: Bool -> String -> String
const soundex = (blnNara, name) => {
// code :: Char -> Char
const code = c => ['AEIOU', 'BFPV', 'CGJKQSXZ', 'DT', 'L', 'MN', 'R', 'HW']
.reduce((a, x, i) =>
a ? a : (x.indexOf(c) !== -1 ? i.toString() : a), '');
// isAlpha :: Char -> Boolean
const isAlpha = c => {
const d = c.charCodeAt(0);
return d > 64 && d < 91;
};
const s = name.toUpperCase()
.split('')
.filter(isAlpha);
return (s[0] || '0') +
s.map(code)
.join('')
.replace(/7/g, blnNara ? '' : '7')
.replace(/(.)\1+/g, '$1')
.substr(1)
.replace(/[07]/g, '')
.concat('000')
.substr(0, 3);
};
// curry :: ((a, b) -> c) -> a -> b -> c
const curry = f => a => b => f(a, b),
[simpleSoundex, naraSoundex] = [false, true]
.map(bln => curry(soundex)(bln));
// TEST
return [
["Example", "E251"],
["Sownteks", "S532"],
["Lloyd", "L300"],
["12346", "0000"],
["4-H", "H000"],
["Ashcraft", "A261"],
["Ashcroft", "A261"],
["auerbach", "A612"],
["bar", "B600"],
["barre", "B600"],
["Baragwanath", "B625"],
["Burroughs", "B620"],
["Burrows", "B620"],
["C.I.A.", "C000"],
["coöp", "C100"],
["D-day", "D000"],
["d jay", "D200"],
["de la Rosa", "D462"],
["Donnell", "D540"],
["Dracula", "D624"],
["Drakula", "D624"],
["Du Pont", "D153"],
["Ekzampul", "E251"],
["example", "E251"],
["Ellery", "E460"],
["Euler", "E460"],
["F.B.I.", "F000"],
["Gauss", "G200"],
["Ghosh", "G200"],
["Gutierrez", "G362"],
["he", "H000"],
["Heilbronn", "H416"],
["Hilbert", "H416"],
["Jackson", "J250"],
["Johnny", "J500"],
["Jonny", "J500"],
["Kant", "K530"],
["Knuth", "K530"],
["Ladd", "L300"],
["Lloyd", "L300"],
["Lee", "L000"],
["Lissajous", "L222"],
["Lukasiewicz", "L222"],
["naïve", "N100"],
["Miller", "M460"],
["Moses", "M220"],
["Moskowitz", "M232"],
["Moskovitz", "M213"],
["O'Conner", "O256"],
["O'Connor", "O256"],
["O'Hara", "O600"],
["O'Mally", "O540"],
["Peters", "P362"],
["Peterson", "P362"],
["Pfister", "P236"],
["R2-D2", "R300"],
["rÄ≈sumÅ∙", "R250"],
["Robert", "R163"],
["Rupert", "R163"],
["Rubin", "R150"],
["Soundex", "S532"],
["sownteks", "S532"],
["Swhgler", "S460"],
["'til", "T400"],
["Tymczak", "T522"],
["Uhrbach", "U612"],
["Van de Graaff", "V532"],
["VanDeusen", "V532"],
["Washington", "W252"],
["Wheaton", "W350"],
["Williams", "W452"],
["Woolcock", "W422"]
].reduce((a, [name, naraCode]) => {
const naraTest = naraSoundex(name),
simpleTest = simpleSoundex(name);
const logNara = naraTest !== naraCode ? (
`${name} was ${naraTest} should be ${naraCode}`
) : '',
logDelta = (naraTest !== simpleTest ? (
`${name} -> NARA: ${naraTest} vs Simple: ${simpleTest}`
) : '');
return logNara.length || logDelta.length ? (
a + [logNara, logDelta].join('\n')
) : a;
}, '');
})();